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CM4 Four-Point Continuous Monitor Technical Handbook

1. 8 3 1 Function 4 2 1 Alarm Indicator Test 8 3 10 Options 8 3 2 Function 4 2 2 Simulated Alarm Test 8 3 10 1 Communications Options 10 2 8 3 3 Function 4 2 3 Optics Alarm Test 8 5 10 1 1 Serial Communications 10 2 8 4 Function 4 3 Diagnostics 8 7 LU B s t ett 10 2 8 5 Function 4 4 Reset System 8 8 10 2 Remote Alarm Reset Option 10 2 8 6 Function 4 5 Load Chemcassette9 Filter Change 8 8 10 2 1 HOW WOKS icis oie ee aa 10 2 8 7 Function 4 6 Set Flow 8 11 10 2 2 Wiring Considerations 10 3 8 8 Function 4 7 MDA Service 8 12 10 2 3 Using an External Power Supply 10 3 8 9 Function 4 8 Pump Limits 8 12 10 2 4 Using the CM4 Monitors Internal Power Supply 10 3 2 91 2 6 Re ieee eee uta 8 12 10 3 Sample Line Integrity Option 10 5 89 2 Set Up itz eet dito ii 8 12 A Specifications 8 10 Function 4 9 Reboot 8 13 AA Introdlclioh 5 5 2252555 r5 ecccsascisesst A 2 9 Maintenance A 2 Filter Compatibillty ee A 2 9 1 InIrodHeliOl ieu a
2. 3 4 2 Special Considerations for Positive Pressure 3 4 NE Ue Neng cc sa 3 15 3 5 Configuring for Mounting Method 3 4 3 15 5 CURSOR ARROW LEFT RIGHT 3 15 22 0 3 Wall MOUN iti ith aaa ti cin ce 3 5 4 Basic Operation d 52 BACR MOUM ISTE eee 3 6 A1 DIO ais asactasu catu ac nica d Ecc a da cE 4 2 3 5 3 Rack Mounting the CMA2 P 3 7 4 2 Monitor Mode itae 4 2 SDA Pack EnclOSU Bs cirea ictus EET 4 21 Exiting Monitor Modoe use 4 3 3 6 Installing Sample Lines 3 9 4 2 2 Printing Time Weighted Averages TWA 3 6 1 Sample Line Requirements for Installation 3 9 During MO mitOP MOOG scio titer tef rode r cit decies nite 4 3 3 6 2 Tubing Connections u n 3 10 4 2 3 Point Lock On During Monitor Mode 4 3 3 6 3 Sample Line Inlet Connections 3 10 4 2 4 Display Lock On During Monitor Mode 4 4 3 6 4 Point Legend s srrrsrisrrssrrsrrnsnrnrrnnrrnnrenn 3 10 4 2 5 Alarm History During Monitor 4 4 3 7 Installing Sample Line Particulate Filters 3 11 4 2 6 Fault History During Monitor Mode 4 5 3 8 Installing Pump Exhaust Line 3 11 4 2 7 Display Point Flows During Monitor Mode 4 5 3 8 1 Exhaust Line Installation Guidelines 3 11 4 2 8 Advance Chemc
3. If there is a problem with the CID number or the Chemcassette the or display will show one of the following messages 0 to exit the LOAD Chemcassette function without Imminent advancing the tape Message cause Recovery The CM4 returns automatically to the Service Menu ns ain 8 After replacing Chemcassette always verify the optics see UNKNOWN User pressed ESCAPE or ENTER instead of a Chemcassette ae a number Retype CID number Unchanged Section 5 2 and set the sample flow see Section 8 7 INVALID NUMBER CID mistyped Retype CID number Unchanged Lifetime Lifetime IMPROPER Use different ipti Part Clemens Wrong tape for gas family namero Y N Description Number uel fn ja Chemcassette Timssnssmiodosioh Use newer N Y y y EXPIRED a adis Chemcassette Hydrides 874300 183 35 rem Use newer Mineral Acids 874337 183 35 CC PAST EXPIRY Time since mfg twice too long X N Ch tt This CC previously installed and out of bag t pee Annona e I9 i emcassette IS previously Installed and out of Dag too se newer STALE long See Table 8 2 Chemcassette N T Phosgene 874307 183 35 CCVERY STALE This CC previously installed and out of bag Use newer Y Hydrogen Sulfide 874304 183 35 twice too long See Table 8 2 Chemcassette Hydrogen Cyanide 847510 183 16 i ua Replace FLT IN ue dip sii or stale before it is Ghanieasss ten Bake eus Hydrazine 874347
4. O oiana ianiai D 3 Concentration Data Format Code E 6 D3 Ga ile e D 4 E 3 Protocol Command Definition E 7 D 3 1 EMC Consideraliolle nain tincta D 4 E 3 1 Status and Query Commands E 7 D 3 2 Cabling DIANA uasa ricos D 5 NOR e 0 72 lt a ee E E 7 D 4 Instructions and Checklist D 7 Get System Information 0X30 E D 5Other Applications eeeeeees D 9 Get Unit Status Ox31 eei E 8 E Serial Communications Protocol Get Idle TIME OXJ ae eee E 10 E1 TGC ONG cacicn cocaina sint ido E 2 Get Date amp Time 0X33 iua ienens E 10 E 1 1 OvervlpW iiri ase ntat aruia E 2 Get Maintenance Dates 0x34 E 10 E 1 2 Communication Porl ees E 2 Get Point Configuration Ox35 E11 E 1 3 Set up Proceduto oe E 3 Get Alarm History 0X36 Liane E 11 E 1 4 Protocol Speclfics ense E 3 Get Current Point Status 0x37 E 12 AN eV FSORSIB si etait bca sna tata E 3 Get TWA Title OX39 ista niic ca taaca E 12 Checksum Check Character E 4 Get Display Cycle Time 0X39 E 12 ACK NAK Handshake coo E 4 Get the Number of Gas Tables Available 0x3A E 13 E 2 Protocol Packet Defini
5. sssss E 22 Set Idle Time DXxb5O a uis acetence E 22 Set Date Formal 0X5D uinci iiid E 23 Set Date and Time DxbE aee E 23 Set Relay State XDF iussi ocatisonc saisi riii E 24 End Point Lock on Reg Ox6U aiios E 24 Start Point COR OMG ias E 24 E 6 Example Packets iriiria E 27 E 7 Serial Device Applications E 31 E 1 Impedance Matching E 33 PSE Po ID a E eee eee ees E 34 CM4 Technical Manual X Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 1 CMA Overview CM4 Technical Manual 1 1 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell The MDA Scientific CM4 continuously monitors four locations called 1 1 Introduction Exhaust Individual Locations Figure 1 1 Monitoring Points CM4 Technical Manual points for toxic gases It responds to gases that exceed a programmed alarm level by e Triggering alarms and LEDs that warn of high or low concentrations e Triggering relays to external devices Displaying the point number gas type and gas concentration e Printing the alarm information and storing it in memory printing requires optional printer The CM4 triggers relays for each individual point for two levels of gas concentrations These programmable limits are factory set at TLV and 2 TLV Each point may be up to 300 feet
6. 6 6 Function 2 5 Customer Data Use the customer data function to print and display information about the customer Honeywell Analytics programs and stores the customer name and location in the CM4 This information is included in TWA and other printouts CM4 Technical Manual 6 7 Honeywell 6 6 1 Print Customer Data Purpose The CM4 prints the following customer information e Name e Location Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 5 CUSTOMER DATA 2 REVIEW MODE 5 CUSTOMER DATA The display reads 1 DISPLAY 2 PRINT 3 Press 2 to print the customer name and location 6 6 2 Display Customer Data Purpose Use the Display Customer Data function to display the same information about the customer as is sent to the printer described in the previous section Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 5 CUSTOMER DATA 2 REVIEW MODE 5 CUSTOMER DATA Revision 9 02 08 CM4 Four Point Continuous Monitor The display reads 1 DISPLAY 2 PRINT 3 Press 1 to display the customer data Press 1 again to alternate between the two lines of customer data ABC MANUFACTURING CHICAGO ILL Press RESET to return to the Review Menu 6 7 Function 2 6 Print Configuration Purpose Use the Print Configuration function to print the preprogrammed system configuration
7. Tape guide Supply reel Revision 9 02 08 CM4 Four Point Continuous Monitor 9 2 4 Installing the Chemcassette With the fresh Chemcassette inside install the carrier as follows 1 Open the tape load lever 2 Install the carrier onto the spool hubs Make sure the Chemcassette tape is between the nosepiece and optics block Also ensure the tape is seated between the capstan and idler roller 3 If necessary turn the reel hubs to engage the shafts 4 Snap the tape guides onto the post by pressing from the top of carrier CAUTION For proper operation make sure both reel hubs are fully engaged The carrier should be resting flat without any wobble NOTE i initial power up go to Section 4 If not continue with Step 5 Close the tape load lever The solenoid valve automatically turns on sample flow CM4 Technical Manual 9 6 Honeywell Tape load lever open positio Figure 9 4 Installing the Carrier Revision 9 02 08 CM4 Four Point Continuous Monitor 9 2 5 Checking Flowrates Each time you replace a Chemcassette tape check flowrates while in the set flow function by comparing the flow readings with the nominal rates as shown in the set flow function To check the flowrates 1 If necessary press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU choose the subfunction 6 SET FLOW 4 SERVICE MODE 6 SET FLOW The display reads ADJUST FLOWS TO 180 180 180 180 The initial
8. The Sample Line Integrity Check will periodically execute at or around the prescribed user specified TWA times Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell A Specifications CM4 Technical Manual A 1 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell A 1 Introduction mba m Fiter Filter Filter ype A Type B Type C Appendix A contains i m AsH Arsine X e End of line sample filter compatibility PH Phosphine X e CM4 general specifications BH Dib rane X e Sample transport times SiH Silane X A 2 Filter Compatibility GeH Germane X The following table sh le filt t TBA Tert butyl Arsine X e following table shows sample filter requirements T Tert buty Phosphine X If you are monitoring non corrosive target gases use filter type A Cl Chlorine X X P N 780248 a sample line dust particulate filter NO Nitrogen Dioxide X For monitoring corrosive gases such as chlorine Cl hydrogen Clo Chlorine Dioxide X X fluoride HF hydrogen chloride HCI and hydrogen bromide HBr CI LL Chlorine Low Level X X sample lines in a dusty environment or for peeks use filter va HCI Hydrogen Chloride X X B P N 1830 0055 or type C P N 1991 0147 ilter assembly or HCILL Hydrogen Chlonde aw Level X 7 corrosive gases The Teflon membrane particulate filter is designed to T m mem x prevent du
9. ee Jleel Oe eoo eoloo Ground Lug Figure 3 11 I O Panel Connections CM4 Technical Manual 3 13 Revision 9 02 08 CM4 Four Point Continuous Monitor 3 12 Loading Chemcassette Tape For Chemcassette loading procedure see Section 9 2 3 and 9 2 4 A waRNING Be sure to install the correct Chemcassette See Appendix A for part number information Make sure the label on the Chemcassette and the label on the analyzer correspond Incorrect Chemcassette replacement defeats the CM4 s ability to warn of dangerous gas concentrations NOTE Only one Chemcassette type should be used with each carrier 3 13 Power On Off Use the rocker switch on the right rear of the unit above the power cord to turn on power to the Model CM4 For Rack Mount units use the power panel at the top of the rack The number of each switch correlates to the position of the CM4 unit in the rack The display shows CM4 Upon power up the CM4 conducts a self diagnostic procedure to check e Memory e Hardware e Voltages The display shows SELF TEST CM4 V3 05 CM4 Technical Manual 3 14 Honeywell After this display the Chemcassette advances and the pump turns on The display shows STABILIZING then CURRENTLY MONITORING NOTE The CM4 automatically attempts to enter the Monitoring Mode whenever it is switched on 3 14 Installation Notice Press PROGRAM to exit the Monitor Mode You must perform the
10. will disable the fault operation Normal Reading The vacuum measurement in operation is used to determine clogged filters kinked inlet exhaust tubing or pump failure With the pump running a normal reading with no tubing attached to the CM4 monitor the reading should be 375 475 counts 13 8 to 17 5 inches Hg or 350 495 torr depending on current barometric pressure voltage frequency and other tolerances of the system If you encounter readings above or below these counts a secondary check of point flow rate is recommended Point flow should be 2 8 Liters per minute per point minimum with up to 300 feet of tubing connected Ambient Pressure Reading The typical reading near sea level is approximately 800 counts for an atmospheric reading of 28 4 to 30 5 inches of mercury inches Hg 721 775 torr The reading will vary approximately 26 counts per inch 1 count per torr change of barometric pressure This variance is included in selecting fault thresholds CM4 Technical Manual 8 12 Honeywell Altitude should also be considered At an altitude of 6000 feet 1800 m and the pressure of 24 inches Hg would produce a reading of approximately 651 counts The capacity of the pump is reduced due to the lower density air The transducer will display the count value of the absolute pressure on the vacuum side When the pump is not running the ambient pressure is represented This reading can vary due to transducer tolerance
11. 02 08 CM4 Four Point Continuous Monitor Get Floating Status 0x45 This packet returns general information about the slave It combines the information of packet 0x37 Get Point Status and 0x31 Get Unit Status However it reports the concentration in IEEE floating point format instead of as a scaled integer Since it provides information that would otherwise require five interrogations this should permit faster polling of slaves on a multidrop RS 485 bus Command Packet to Slave Command Code 0x45 1 byte Response from Slave Command code 0x45 1 byte CM4 date 2 bytes CM4 time 2 bytes Status 1 byte 0x01 in monitor 0x02 maintenance fault relay activated 0x04 instrument fault relay activated 0x08 1 bit undefined 0x10 A new fault has occurred since the last time packet 0x3D Get Fault History was requested 0x20 A new alarm has occurred since the last time packet 0x36 Get Alarm History was requested 0xCO 2 bits undefined The 7 byte Point Structure repeats 4 times Concentration 4 byte floating point Number in PPM Flow 2 byte integer in CC min Point status 1 byte 0x01 point disabled in config 0x02 point disabled now It may have become disabled because of a fault 0x04 point locked out CM4 Technical Manual E 16 Honeywell 0x08 low flow 0x30 2 bits concentration summary integer The meaning of this field is as follows 00 0 0 Concentration 01 0 0
12. 3 SET UP MODE 3 OUTPUT OPTION 6 EN DIS DUTY CYCLES NOTE Duty Cycle is a factory enabled option If not set at the factory then it is not available to user CM4 Technical Manual 7 11 Honeywell 3 The display reads SELECT POINT Use the numeric keys to specify a point 4 The display will read PT 1 ENABLE 1 Y 0 N Choose 1 or 0 to enable or disable that point for Duty Cycle 5 Select other points if RESET ESCAPE key desired or press 7 5 Function 3 4 Configuration Purpose Use the configuration function to e Save new instrument configurations e Restore an existing instrument configuration after changing configuration parameters or a RESET SYSTEM that returned parameters to the factory default System configuration consists of all configurable parameters defined in the Set Up Menu Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 4 CONFIGURATION 3 SET UP MODE 4 CONFIGURATION The display reads 1 SAVE 2 LOAD CONFIG Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell dd e 1 to save the current configuration including all changes d e 2torestore the most recently saved configuration After selecting 1 the display reads The default time and the date format is MM DD YR CONFIGURATION SAVED 3 Press CURSOR ARROW RIGHT to toggle between the After selecting 2 the display reads following formats
13. 5 Poli CT ESTEM SF Moon UTH Eorron Mobi FLISE HESE t i LE FILTER TET HE PSHEL ED LETZORF Fav CUSTOMER 1 0 REF H eie MAE 1 0 CONNECTIONS SEES Do ee TE E s E EIER es gt 3 SEES MI ope kelien Hoe E kr TB J EEER PAARD To ECTEND CUA FEGH P m E Be IMMER SLIDE MEMBER PEF O a se hn E E Heute DNAREN ELAME etat Or EACE riu We Teri 1 E 1E 1E Be es s j EZIN i i ETE osmon or KEY WIRE GAGE NOT TO EXCEED 14ANG SLOT OFFSET IN E ZEF RER SHIELDS MUST EE USED TO MANTAN EMISSIONE oF THE THREE v SCEPTEILT INTEGRI FEHOTE INPUT GFTN SEE TECHNOTE 1998 002 TEbreetm Looe 9 800 OH CEDAT ID LEVEL 1 AND S PONTS L23 ip 4 l TENAS VAC os Teoma SV HM CONTACT Fines 7 CIMLETEHED UNLOCKED a SSUSSESTSST PETES EEE ETS Lu amp tenEb UNLOCKED z ES us 4 l QS analytics In ADJUSTABLE FEET FRONT AND FE R GENERAL NOTES me Sa ToT SAE Dem RE IANG RITE ADJUSTABLE T 3 8 35 4 PL LOMO INDICATES 2 DIMENSION FOR SECURING THE BASE OF THE UMIT To THE FLOOR PENINE weent DRAWING GM4 RACK INSTALLATION 2 ENCLOSURE HEIGHT APPFOXIMETELY 356 LES SHOUT ANY CMA UNIT sel ah Ea Ear ws T1 E S one cia UT WEIHS APPROXIMATELY 22 LB bs ae ats Pur HEET T MEA od a a i FEV hue CM4 Technical Manual Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell G Warranty Statement CM4 Te
14. 90 m from the CM4 location This allows operators to monitor gas concentrations in an area removed from the location where gas may actually be leaking The CM4 provides fast response to a wide range of gases It was designed for maximum uptime so filters detector tape and even the entire chassis can be replaced quickly and easily The CM4 s flexibility allows it to be easily configured for tabletop use rack mounting or wall mounting The CM4 uses MDA Scientific s patented Chemcassette technology for rapid accurate gas detection This section includes information on the CM4 s e Sampling and Monitoring System Section 1 2 e Detection System Section 1 3 e Displays and Controls Section 1 4 e Electrical Connections Section 1 5 e Alarms Section 1 6 e Instrument Diagnostics Section 1 7 1 2 Revision 9 02 08 CM4 Four Point Continuous Monitor 1 2 Sampling and Monitoring System The system draws sample flow simultaneously from all four points Two different types of sample movement are e Transport flow high velocity large volume air movement through the lines e Sample flow air admitted to the Chemcassette detection system The high speed of transport flow allows rapid monitoring and response time when using long lines from monitoring points to the CM4 A small portion of the transport flow is analyzed to determine concentration levels NOTE On newer style CM4 S N XXX 5000 and greater and all CM4 P mo
15. Certain fatal faults will cause the CM4 to suspend monitoring See Appendix B 4 5 Accessing Programming Functions Programming functions are accessed using two methods e Byscrolling through the menu selections via the arrow keys see Section 4 5 1 By direct numeric entry using the menu structure see Section 4 5 2 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 4 5 1 Programming by Scrolling 4 5 2 Programming Using Direct Numeric Entry 1 Press PROGRAM to exit Monitor Mode The display reads Refer to the menu structure in Section 4 6 To select an item using END MONITOR 1 Y 0 N direct numeric entry 1 Press PROGRAM to exit Monitor Mode The display reads 2 Press 1 to end the monitoring session The display reads 9 iis END MONITOR 1 Y 0 N SELECT PROGRAM lt a gt gt ED ER 2 Press 1 within two seconds to end monitoring If the printer lt 4 gt indicates further menu choices are available option is available the display reads 3 Press CURSOR ARROW LEFT RIGHT to scroll forward Bd Ore nto E eur mods menn ener ME ASpaAy 3 Press 1 to print TWA information Entering 0 exits without shows modes preceded by a one digit number printing TWA information 1 CALIBRATION MODE After selecting 1 the display advances to 2 REVIEW MODE SELECT PROGRAM lt a i 3 SETUP MODE lt q indicates further menu choices ae available 4 Press the numeric key corresponding to the menu numbers 4 SERV
16. lt Concentration lt AL1 10 AL1 lt Concentration lt AL2 11 AL2 lt Concentration OxCO 2 bits current alarm level 00 no alarm 01 alarm level 1 active 10 alarm level 2 active End of Point Structure Total size is 34 bytes Example The following example is an illustration of the above packet using serial communication protocol version 2 The address of the slave is 42 0x24 Point 1 is in a level 2 alarm but the gas concentration has decreased below AL2 and AL1 to 42 2 ppb The other three points are reading zero concentration The instrument fault relay is activated and point 4 is disabled because of loss of flow Both the Fault History and the Alarm History have new entries which have not been read yet Point 3 is configured to be disabled via menu function 3 1 All four flows are near the norm of 180 cc min except for point 4 which is 139 cc min Master 40 2A 00 06 45 4B inquiry Slave 4000 2A 27 45 236466 DA header date time 3D unit status byte 3D 2C E2 19 00 BB 90 point 1 data 00 00 00 00 00BD 00 point2 data 00 00 00 00 00C4 03 point3 data 00 00 00 00 00 8B OA point 4 data 5E checksum Revision 9 02 08 CM4 Four Point Continuous Monitor Get One Alarm 0x47 This packet returns the oldest unread entry from the alarm history It duplicates the functionality of packet 0x36 in a form that some masters may find more convenient Note that this packet causes an alarm to be marked as read in the sa
17. 00 14 18 02 29 00 14 18 PT2 CM4 851 0006 02 29 00 14 16 PT3 CM4 851 0006 02 29 00 14 19 PT4 CM4 851 0006 NO ALARM HISTORY END OF ALARM HISTORY Figure 4 1 Typical Alarm History Printout Level 2 Alarm 50 1 PPM NH II Level 1 Alarm 37 0 PPM NH II Level 1 Alarm 29 8 PPM NH II Level 1 Alarm 28 7 PPM NH II The display returns to normal ten seconds after the last keypad entry Pressing RESET does not clear alarm history Revision 9 02 08 CM4 Four Point Continuous Monitor 4 2 6 Fault History During Monitor Mode Use the fault history function to print and display the four most recent faults and alarms See Figure 4 2 To print and display the fault history press ENTER followed by 0 The fault history is printed if printer is installed and displayed showing the most recent fault first The display will scroll through each fault Use the cursor keys to advance through each fault The printout of the fault history shows the most recent fault first for up to eight total faults The printout includes e Instrument serial number e Current date and time e Customer name and location e Fault number Fxx e Fault type e Fault date and time The CM4 sends the fault history to the printer 02 29 05 14 23 CM4 851 0006 FAULT HISTORY ABC MANUFACTURING CO Kansas City MO 14 22 F37 TRANSPORT ERROR 14 22 F27 FLOW FAILURE PT1 14 19 F39 LOSS OF FLOW PT4 02 29 05 02 29 05 02 29 05 END OF FAULT HIST
18. 09 11 CM4 85 1 0006 Honeywell Instructions The criteria for testing the optics block is the same as used for menu function 1 1 Optics Verify If all four points pass the date of a successful measurement is recorded for the configuration printout No entry is made in the alarm history Also the serial communication protocol will not provide any indication of this test Table 8 1 is a sample dialogue between the Model CM4 and atypical user ALARM SIMULATION MODE STARTING STARTING TWA PT4 CM4 85 1 0006 LEVEL 2 ALARM SIM MONITORING ENDED ALARM SIMULATION MODE ENDING Figure 8 2 Sample Alarm History Printout CM4 Technical Manual 8 5 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell INSERT STAIN 2 PRESS gt The user flips the card and presses arrow Y PASSED PT 3 Four relays activate RY5 RY13 RY2 and RY4 for a level 2 alarm on point 3 The four current outputs produce 4 4 12 and 4 mA respectively The point 3 alarm LED flashes red and the following string is printed OPTICS ALARM TEST STARTING PASSED POINTS 3 SELECT POINT 0 ALL The output listed above activate an the following string is printed OPTICS ALARM TEST STARTING PASSED POINTS 1234 The user types RESET to end the test SELECT POINT 0 ALL The user enters 1 for output on point 1 only INSERT STAIN 1 PRESS gt The user inserts the stain card incorrectly or the optics hardware for point 1 is out of tolerance PASSED
19. 2 is corrected the display shows 186 178 2201 2921 When Point 3 is corrected the display shows 186 178 171 292 When Point 4 is corrected the display shows 186 178 169 182 In this example notice that Point 3 has drifted out of range The instrument indicates the condition by displaying the following PT3 OUT OF RANGE CM4 Technical Manual Honeywell NOTE The previous display occurs only when you are exiting SET 0 ADJUST 1 EXIT 2 Select 1 to correct the out of range condition The display shows 186 178 180 182 All four flows are now correct Press RESET or ENTER to return to the Service Menu Table and Rack Mount Wall Mount Figure 8 4 Point Flow Adjustments Legend 1 Pt1 Flow Adjustment Pt 3 Flow Adjustment 2 Pt 2 Flow Adjustment 4 Pt 4 Flow Adjustment Revision 9 02 08 CM4 Four Point Continuous Monitor 8 8 Function 4 7 MDA Service Purpose MDA service engineers use this function to perform diagnostics and service This function requires a passcode 8 9 Function 4 8 Pump Limits This mode allows you to program the limits that trigger the pump failure fault It also allows you to disable the limits if desired 8 9 1 Operation The Pump Failure Fault is used to differentiate a supply vacuum fault from a point specific Flow Failure The pump fault levels settings should be made during the instrument installation to accommodate the application Setting the limit to O00
20. 485 specifications Again this is based on which interface option was installed in your CM4 instrument The pin out specifications for each option are as follows RS 485 Part Number 874556 B Transmit Receive A Transmit Receive Signal Ground Revision 9 02 08 CM4 Four Point Continuous Monitor E 1 3 Set up Procedure After the networking cabling has been connected to the slave the slave must be configured to communicate Baud rate address and protocol version are selectable Configuration is performed with the following sequence PROGRAM 1 is pressed to stop monitoring SELECT PROGRAM The keys 3 3 1 are pressed to go to the COM port setup menu SET COM PORT One of the four protocol configurations must be selected COM PORT DISABLED o COM PROT VER 1 o COM PROT VER 2 o COM PROT LONWORKS Protocol 1 is recommended for compatibility with existing master computers Protocol 2 provides superior data integrity but requires a change to the master LONWORKS requires extra hardware The selection is made by pressing lt ENTER gt COM PORT 9600 BAUD Baud rates of 1200 2400 4800 9600 and 19200 are available 9600 baud is recommended for most applications The selection is made by pressing lt ENTER gt SET INST ADDRESS INST ADDRESS 001 CM4 Technical Manual E 3 Honeywell Every slave on a network must have a unique address from 1 to 255 If only one slave is pre
21. 8 PUMP LIMITS 4 7 Keypad Locking Feature Purpose The keypad locking feature prevents unauthorized personnel from entering any information into the CM4 keypad without knowledge of a five digit password Without the password for example it is impossible to reset faults change alarm levels or set K factors The keypad lock cannot be defeated by cycling the power on and off NOTE If the password is lost or forgotten contact Honeywell Analytics Service for assistance Instructions Refer to Section 7 7 to enable the keypad lock feature By default it is disabled Set the password to some desired value between 90000 and 99999 The power LED in the lower right corner of the CM4 control panel indicates the status of the keypad Steady green indicates the keypad is unlocked Flashing yellow indicates it is locked To set the keypad locking feature 1 Enter Monitor Mode by pressing MONITOR and waiting at least 10 seconds for the tape to advance 2 Enter the five digit password on the keypad with about one second delay between keystrokes 3 Verify from the power LED that the new state of the keypad is as desired The character display will not provide any indication of the change NOTE The keypad is unlocked by entering the password again CM4 Technical Manual 4 9 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell CM4 Technical Manual 4 10 Revision 9 02 08 CM4 Four Point Continuous Monitor Ho
22. COHDUTI PANEL amp H REMOVE GREY COLLES EI FROM CM SAMPLE m P i INLET SND EAT och a POETS BEFORE lt SSEMBLY VO Ps cai scie ila v Sn a ite z mer COFFESFOHDENCE Te UT NUMBERS 1 THEU 7 J REMOVE TUBING RETAINER Eh j PLATE Priok To asseveLy p i qo cid vii 1 f ii i To GMa cou ERIL 2 PORT FOR PFIHTEF TUBING CONNECTION EET s FEP TEFLON 3 16 473 ID X 1 4 6 35 OD X 3 1 1403 FEET oria we LEM FLOU FETE RS LPM I i FW Tee iieeetion DEPTH ire erties rs 1h ir NDLIN T T POLVPORLENE 3713 p x 1 4 Op X 30 FEET 15240 FRONT TET LEITH IF E HUST E CODDOLED TEE Te be METER 25 SHOWN CM THE TELE PEL ze pod mam epo agp ERGL COU FORT OFT FI GERI 2 En ESS TO THE CMA PROTOCOL H rm E THROUGH THE COMI FORT THE i GELT POTE D DB 5 FEMALE E E i BER Peire gt 142 944 4 F114 4 TF2MEMIT TEMA LIE CONNECTING To CI SERED USE FLOW i pem 8 com 1 PORT SILP CELE INTO SABLE CAPRIER EXHAUST FLOW RATE i 14 LPM os SEF PEP Cia Enp ROUTE M FEEOUMENDED SEEL LL TUBING SHOULD BE ALLOWED MINUM HEU nee E Ben revive er ee ien PRINTER OUTPUT 15 FEL THE Hiei sour TENA FECEN ES je ugue 3 TRA FEELES CONNECT FIBON CABLE PROUT Co ELT ASEN Scd sure 3 4 NPT FEMALE CONDUIT HUE ENTRY BLE CLAMP ON CMa IS USED RECOMMENDED CUSTOMER v pU 457 MIN CLEARANCE FOR Fatt IPE SUD SERIAL CABLE I 18 pios ue remus I CUM EXTENSION FROM PACK b FEHOVE OPEN FEAP DOOP AND DASSEVBLE GROUNDING
23. Cabling Diagrams The following diagrams show the cabling configurations for single and multiple CM4 monitors connecting to one of the printer options The cabling is identical for both desktop and rack mount installations cAuTION Cabling used between the CM4 monitor and the external device must be shielded and properly grounded to maintain reliable operation and control RF emissions and susceptibility Single CM4 monitor and printer Honeywell CM4 oe Monitor Come CM4 T Monitor GOME CM4 i Monitor COME M CM4 Monitor CM4 Monitor Printer Share Box Interface RS 232 P N 874201 R Rear Panel Mount Printer Jumpers See Section D 2 for DCE jumper settings For configurations with the Rack Mount Printer located in the same 2 to 5 CM4 monitors and a single printer rack cabinet as the CM4 monitor the interface cable P N 1874 0037 9 pin to 25 pin 10 ft is supplied For distances to 50 ft between the Interface RS 232 P N 874201 R Rear Mount CM4 monitor and the Rack Mount Printer order cable separately P N Jumpers See Section D 2 for DTE settings Cable 1874 0031 9 pin to 25 pin 50 fL Cables The Printer Share Boxes listed on this page include the following With the Desktop Printer a 10 ft interface cable is supplied for cables connection between the CM4 monitor and the Desktop Printer P N 1874 0037 9 pin to 25 pin 10 ft qty 5 for connectio
24. DCE settings Display Terminal User supplied Cable User supplied Refer to diagram for pin out configuration Also refer to the EMC Considerations section on page D 2 CM4 Technical Manual D 9 Other Applications The serial printer interface is designed for unidirectional communication from a CM4 monitor to a single printer or other remote device It is possible therefore that your application for this interface requires connection to a remote device other than the printer options described in this document In this configuration a terminal emulates the printer by displaying the ASCII text for concentrations faults and alarms on its screen It is not possible to interrogate the Model CM4 through this printer port Bidirectional communication is possible not in ASCII by using the CM4 serial communications port The default setting disabled of the Model CM4 s hardware flow control needs only two wires to be connected between the CM4 Pin 2 and Pin 5 to the terminal If you are connecting a device other than the printer options described in this technical note use the following pin out configuration on the connector cable Also refer to the EMC Considerations section on page D 2 Figure D 5 Serial Interface Single CM4 Display Terminal Revision 9 02 08 CM4 Four Point Continuous Monitor e Single CM4 monitor and printer up to 4000 ft distance Male DB 9 Female DB 25 RXD 2 25 TXD RXD 3 YO XK 1
25. Female DB 25 RXD 2 25 TXD RXD 3 ened 19 TXD TXD 4 s 15 RXD Txo 8 APOOOOOXN 17 gx Ground 7 1 Ground For ground use another conductor in the cable al do not use the shield or drain wire Cable Pinout E 31 Interface RS 232 P N 874024 R Rear Panel Mount Computer Port Customer supplied check user device for compatibility before ordering Cable User supplied Refer to diagram for pin out configuration Also refer to the EMC Considerations section on page D 2 Protocol Customer written per information in Appendix E Note Maximum range 4000 Ft Figure E 2 Bidirectional Communication Single Computer Multiple CM4s up to 4000 ft distance Revision 9 02 08 CM4 Four Point Continuous Monitor en CM4 F9422 Monitor EE cma P547 Monitor sem EL cma p P4 Monitor I Computer with multiple d Communication Ports Rs az2 CM4 Monitor Maximum of 32 CM4 Monitors Multiple CM4 monitors and a single computer Bi Directional Communication over a 2 wire system Female DB 9 Male DB 9 Male DB 9 Male DB 9 to Computer to CM4 to CM4 to CM4 B TX RX 2 A TXIRX 9 P 7 Ground e Address Address Address Address 000 001 002 Last For ground use another conductor in the cable do not use the shield or drain wire Cable Pinout Interface RS 232 P N 874327 R Rear Panel
26. Low Level 50 ppb 15 ppb 15 ppb 80 ppb 0 3 ppm 15 49 ppb 50 99 ppb 100 199 ppb 200 500 ppb Tertiary Butyl Arsine TBA 15 24 ppb 25 49 ppb 50 99 ppb 100 500 ppb Tertiary Butyl Arsine XP 80 149 ppb 150 299 ppb 300 599 ppb 600 2000 ppb None Estab lished Tertiary Butyl Phosphine XP TBP 0 3 0 5 ppm 0 6 1 19 ppm 1 2 7 5 ppm Tetrakis DiMethyl Amino Titanium TDMAT Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit C 10 20 sec 1874 9300 red gry blu 1874 9300 red gry blu 874300 red gry wht 1874 9300 red gry blu 1874 9300 red gry blu 874342 35 sec Alarm 50 ppb with 100 ppb gas lt 60 sec Alarm 300 ppb with 600 ppb gas lt 30 sec Alarm 1 2 ppm with 2 4 ppm gas red yel It blue Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell D Printer Options CM4 Technical Manual D 1 Revision 9 02 08 CM4 Four Point Continuous Monitor D 1 Overview This addendum describes the components installation cabling jumper settings and set up for the CM4 printer options An optional printer can print data for up to nine CM4 monitors The available printers are for use in both desktop and rack mount configurations and operate in a unidirectional RS 232 communication format An RS 422 format is available for a single rack mou
27. Pulsed RY10 Measurement and Control Board Fail Measurement and control board Check Connections to Measurement and Control board 22 disconnected E On Solid Defective Measurement and Control board Replace Measurement and Control board ag SRS SIE TX Shift in optic light source Check optics jon Of Of 24 Optics Verification Fail PTx Verification card or Optics dirty Clean card and repeat Verification Clean Optics Section 9 5 None Off Off Pos Pressure PTX Flow detected with pump off Possibly Point valve option should be installed FAULT 25 induced by positive pressure at sample RY10 On Solid point Table B 1 CM4 Fault Listings cont d CM4 Technical Manual Revision 9 02 08 B 4 CM4 Four Point Continuous Monitor Honeywell Fault Rela Beeping Yellow No Description Possible Cause Corrective Action Aa d Audio Status Alarm LEDs Pump Failure Pump Malfunction Cycle power Set Pump Limits procedure not performed Check pump limits Section 8 9 Pump inlet vacuum high indicating filters Change internal filters Section 9 6 FAULT 26 clogged RY10 On Solid Pump exhaust pressure high indicating Check operation with exhaust line disconnected to isolate blocked exhaust line problem Low line voltage Flow Failure PTx Point flow set incorrectly Reset flow in Set Flow Section 8 7 Chemcassette not installed correctly Reinstall Chemcassette carrier Section 9 2 4 FAULT 27 Sample line kin
28. STATE CM4 Technical Manual 7 9 Honeywell 3 SET UP MODE 3 OUTPUT OPTIONS 4 RELAY STATE The display reads SELECT RELAY STATE The display then reads 1 ENRGZD 0 DE ENRGZD The cursor is flashing over the current set up 3 Press either 1 to energize relay contacts or 0 to de energize relay contacts Pressing 1 displays CONFIRM ENERGIZED followed by the display 1 ENRGZD 0 DE ENRGZD 4 Repeat Step 3 to confirm the entry The relay state confirmation display reads RELAY DE ENERGIZED o RELAY ENERGIZED CAUTION Selecting the energized state changes all relay states except the watchdog If power is lost energized relays change state if they are selected to be energized Be sure that this will not initiate a false alarm condition in your facility Revision 9 02 08 CM4 Four Point Continuous Monitor Once the relay state is selected the display reads LATCHING RELAYS The display then reads 1 LATCHING 0 NON The cursor is flashing over the current set up 5 Press either e 1 to select latching which requires manual reset of alarms or e Oto select nonlatching which clears an alarm automatically once the gas concentration falls below the alarm threshold The display shows the selection LATCHING SELECTED or NON LATCH G SELECTED The CM4 returns automatically to the Output Options menu 7 4 5 2 mA Fault Operation 3 3 5 Purpose Use the 2 mA fault operation
29. Status 1 byte always 0x00 Revision 9 02 08 CM4 Four Point Continuous Monitor E 5 Operation E 5 1 CM4 Instrument Power up Upon power up the CM4 instrument conducts a self diagnostic procedure to check its memory hardware and voltages After the self diagnostics the instrument automatically begins monitoring and the COM port if enabled is activated E 5 2 Commands Your CM4 instrument will accept and process commands sent to it from your equipment E 5 3 Responses The CM4 instrument will send a return communication for any message it receives at its address Included in most response packets from the CM4 instrument are date and time stamps CM4 Technical Manual E 27 Honeywell E 6 Example Packets The following section contains examples of packets from a master to a slave and the slave s responses Protocol version 2 is used The address of the slave is 1 All numbers are in hexadecimal 40 01 00 06 28 91 40 00 01 06 20 99 Master Slave 40 01 00 06 31 88 40 00 01 20 31 24 A6 47 31 5E C1 02 00 00 00 00 00 FF FF FF FF 00 B9 00 A5 00 A4 00 CD 00 00 40 40 01 00 06 35 84 40 00 01 30 35 24 A6 47 33 01 4E 48 33 2D 49 49 00 81 00 FA 01 F4 02 EE 02 EE 50 54 31 2D 43 4D 34 2D 38 35 31 2D 30 30 30 36 20 20 20 20 00 39 40 01 00 06 37 82 40 00 01 21 37 24 A6 47 35 4E 48 33 2D 49 49 81 00 B9 24 A6 47 10 24 A6 47 35 00 00 00 00 00 00 40 01 00 06 3C 7D 40 00 01 1B 3C 24 A6 47 39 4E 48 33 2D 49 49 02 EE 00 FA 0
30. Status LED The monitoring status LEDs indicate the following conditions e Green for the specific point when the CM4 is monitoring that point e Yellow steady or flashing indicating fault e Red steady or flashing indicating alarm e Off when the CM4 is not monitoring that point Alarm LED To indicate gas alarm condition the LEDs e Light steady red when Level 1 alarm low level gas alarm occurs for any monitored point e Flash red when Level 2 alarm high level gas alarm occurs for any monitored point Point ID Labels Identify each point using the write on surface provided Use a fiber tipped permanent marker You can remove any marks with acetone without damaging the panel 2 2 3 Keypad The keypad consists of Numeric keys e Function keys e Cursor Arrow Left Right keys CM4 Technical Manual 2 3 Honeywell Numeric Keys Use the numeric keys 1 through 9 and 0 to e Enter programming values e Display and select specific detection points Function Keys Function keys access menus and functions Function keys include e MONITOR e PROGRAM e RESET e ENTER Functions are described in detail later in this manual Sections 4 through 8 Cursor Arrow Right Left Keys Cursor Arrow Left Right keys scroll the display backwards and forwards to program and view information Pressing the cursor arrow keys twice while monitoring also advances the tape 2 2 4 Power Indicator LED The power indicator LED is e On steady green
31. WARNING FUSES BELOW FLAPS 2A 125 VAC MAX CONTACT RATING 9 28 N EXTERNALLY APPLIED VOLTAGES MAY BE PRESENT AT ALARM TERMINAL BLOCK WITH Ee E ni O INSTRUMENT DISCONNECTED DISCONNECT AT SOURCE PRIOR TO SERVICING eot i u TB19 5 tt 5 S GS GENERAL ALARMS INSTRUMENT STATUS Tig 1 eS s LEVEL 1 LEVEL 2 MAINTENANCE FAULT WATCH DOG i s f RY2 RY4 RY6 RY8 RY10 RY12 E Pta Pie PTS Pra N N N N N N N N N N N N TB TB C C NO C C NO C C NO C C NO C C NO C C NO sloolleol eellee Z2 ms zz 5 Ground Lug Figure 10 3 CM4 T O Panel CM4 Technical Manual 10 4 Revision 9 02 08 CM4 Four Point Continuous Monitor 10 3 Sample Line Integrity Option The Sample Line Integrity Option is enabled as a factory setting The instrument must have the appropriate and correct sensing hardware properly installed If the hardware is defective or not present the Model CM4 will display zero after the characterization has been completed The mode is enabled or disabled from the Service Mode menu This menu is displayed only if the option has been factory enabled Instructions After installation the feature is accessed through the Service function To access the menu 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MODE choose the subfunction 8 PUMP LIMITS then choose 3 LIT Line Integrity Test 4 SERVICE MODE 8 PUMP LIMITS 3 LIT The display reads SELECT 1 ENABLE SELECT 0 DISABLE This will c
32. aet hastis 6 6 7 6 3 Set Display Cycle 3 5 3 oeaisais 7 13 6 5 Function 2 4 Last Power Down 6 6 7 6 4 Set TWA Printout Time 3 5 4 7 13 6 5 1 Print Last Power Down cccccccccceccccecceceseee 6 6 1 55 Set Idle Time 9 5 B aai tiat ascia 7 14 6 5 2 Display Last Power Down 6 7 6 6 Function 2 5 Customer Data 6 7 6 6 1 Print Customer Data ees 6 7 6 6 2 Display Customer Data eee eee 6 7 7 8 Function 3 7 Maintenance Set Up 7 16 6 7 Function 2 6 Print Configuration 6 8 7 8 1 Chemcassette Counter 3 7 1 7 16 6 8 Function 2 7 Instrument Serial Number 6 8 7 8 2 Internal Filter Timer 3 7 2 7 16 6 9 Function 2 8 Print Menu eene 6 10 7 8 3 External Filter Timer 3 7 3 PAZ 7 Setup Menu 8 Service Menu 7 1 eniro OR d ntnsuasain 7 2 8 1 Introduction 8 2 7 1 1 Enabling Disabling the Keypad 7 2 8 2 Function 4 1 Relay LED Test 8 2 7 2 Function 3 1 Point Enable eee 7 3 8 3 Alarm Tests n eroe cen ere rcecenio 8 3 CM4 Technical Manual vii Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell
33. and 6 for remaining ports CAUTION Failure to replace and retighten hardware after servicing can adversely affect instrument performance and electromagnetic radiation compliance EMC Make certain all fasteners are reinstalled and firmly tightened This will ensure a proper ground 8 Close the panel and secure it with the screws 9 Load the Chemcassette carrier and close the load lever 10 Turn on power to the CM4 CM4 Technical Manual 9 12 Honeywell Figure 9 10 Accessing Chemcassette Optics Legend Lift top panel 3 Studs Tighten retaining knob on inside panel Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 9 6 Installing Microtube Assembly CAUTION Make certain analyzer plate pivots on studs 3 when opening To access the Microtube Assembly 1 Open the analyzer as indicated in steps 1 4 Section 9 5 2 Remove Microtube Assembly by unscrewing each end from optics block and filter manifold 3 See Figure 9 11 NOTE Remove one tube at a time to ensure proper orientation of tubing when reassembling 3 Replace tubing Firmly tighten fitting at each end NOTE Flow calibration will be affected by up to 2096 Contact Honeywell Analytics Service Department for calibration information A CAUTION Accidental exchange of any tube in this block may cause erroneous readings and improper system operation Figure
34. and the physical conditions of the areas being monitored influence the placement of the sampling locations You may need to consult your company industrial hygiene or safety officer before installing sample lines to determine your company s policy related to sampling locations and monitoring of the desired sample gas CM4 Technical Manual 3 4 Honeywell 3 4 1 Sample Line Particulate Filter Use Refer to Appendix A to install sample line filter and to determine if a filter can be used at the location 3 4 2 Special Considerations for Positive Pressure A transducer inside the CM4 can detect when positive pressure is present to effectively monitor positive pressure locations An operational message indicates when a point has detected positive pressure 3 5 Configuring for Mounting Method The CM4 is factory configured for tabletop use Rack mounting and wall mounting require additional procedures for mounting and connections of cable and tubing For optional configurations Honeywell Analytics supplies the following installation drawings e Wall mount kit drawing 87401 4 1 e Rack mount kit drawing 874013 I customer supplied rack e Rack enclosure drawing 4874550 I MDA supplied cabinet Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 351WallMount o INL Figure 3 2 shows wall mounting orientation and dimensions The mounting kit supplied by Honeywell Analytics includes all hardware and fasteners shown
35. command returns the temperatures of the four pyrolyzers in integer degrees Celsius the slave s internal temperature This is applies to a model CM4 P ONLY Command Packet to slave Command Code 0x42 1 byte Response from slave Command code 0x42 1 byte CM4 date 2 bytes CMA time 2 bytes pyrolyzer temp pt1 2 bytes pyrolyzer temp pt2 2 bytes pyrolyzer temp pt3 2 bytes pyrolyzer temp pt4 2 bytes Status 1 byte always 0x00 as implemented Get Pump Limits 0x43 This command returns the user s settings for pump limits Command Packet to slave Command Code 0x43 1 byte Response from slave Command code 0x43 1 byte CMA date 2 bytes CMA time 2 bytes High Limit 2 bytes defaults to 600 Low Limit 2 bytes defaults to 400 Status 1 byte always 0x00 as currently implemented CM4 Technical Manual E 15 Honeywell Get Filter Life 0x44 This command returns the user s settings for total filter lifetime Lifetime is set by the user to indicate how often the filters should be changed A maintenance fault will be issued when the filters are this old The valid range is 30 to 365 days Zero lifetime means a filter maintenance Command Packet to slave Command Code 0x44 1 byte Response from slave Command code 0x44 1 byte CMA date 2 bytes CM4 time 2 bytes Internal filter life 2 bytes External filter life 2 bytes Status 1 byte always 0x00 as currently implemented Revision 9
36. configuration unchanged CM4 Technical Manual Honeywell Set Duty Cycle 0x65 This command allows a master to set the minimum window time and the monitor relay response bits on a slave Please see packet 0x69 GetDutyCycle for a discussion of these parameters Command packet to slave Command code 0x65 1 byte Bits permitting monitor relay action during duty cycle 1 byte bit O point1 bit 1 point2 bit 2 point3 bit 3 point4 bits 4 7 unused ignored by slave Minimum window time seconds 2 bytes Response from slave Command code 0x65 byte CM4 date 2 bytes CMA time 2 bytes Status 1 byte 0x00 packet accepted 0x01 time 2900 seconds unacceptable 0x02 time 0 seconds unacceptable OxFF slave in monitor unable to accept changes E 25 Revision 9 02 08 CM4 Four Point Continuous Monitor Set Filter 0x66 This command allows a master to set the lifetime of a filter See packet 44 for a discussion of these parameters The valid range of lifetimes is 30 to 365 days The system maintains the number of days remaining as a constant if the lifetime changes Command packet to instrument Command code 0x66 1 byte Internal filter lifetime days 2 bytes External filter lifetimes days 2 bytes Response from instrument Command code 0x66 1 byte CM4 date 2 bytes CM4 time 2 bytes Status 1 byte 0x00 packet accepted 0x01 internal filter lifetime unacceptable 0x02 external filter lifetime unacc
37. cursor location left or right Decimal values 0 9 can also be entered 4 Set the High Limit value The recommended default value is 52 12 counts above the normal reading allowing the instrument as installed to exhaust the total flow up to a head pressure of 1 PSIG 52 torr Vacuum levels that are above the set point may indicate high exhaust pressure blocked exhaust low capacity pump or low supply vacuum The total flow is reduced affecting transport times and flow rate through the Chemcassette This is due to low differential pressures across the orifice of each point 5 Setthe Low Limit value The default value recommended is 52 12 counts below the normal reading allowing the instrument to indicate a 2596 loss of total flow Vacuum levels below the limit indicates too much vacuum is detected Possible causes for this condition are blocked filters at the end of a sample line internal blocking of the orifices or a blocked sample line The Honeywell Once the high and low limits have been selected press ENTER to store the values The message Pump Limits Updated is printed along with the Time Date Serial Number Pressing ESCAPE will exit the routine returning the values to pre programmed levels and not printing any message The pump limits are also incorporated into the Service Mode Diagnostics 4 3 printout The pump limits are also listed on the system configuration printout 2 6 Print Config NOTE If at a
38. e Provides optical detection of stain e Directs sample flow through the Chemcassette Components of the detection system include e Chemcassette carrier containing Chemcassette detection tape e Optics and electronics for the detection system e Chemcassette tape transport mechanism 1 3 1 Chemcassette Carrier The Chemcassette carrier can be pre loaded with Chemcassette tape for rapid tape change 1 3 2 Optics and Electronics The heart of the Chemcassette system is an optical detection system that measures the stain that develops on the Chemcassette tape The CM4 s unique design has four individual detectors one for each monitoring point See Figure 1 3 for point stain location To monitor a point the detection system detects and measures a specific gas or family of gases in the sample The CM4 interprets the data and responds appropriately See Section 3 4 for instructions on determining sample locations and Section 3 6 for information on installing sample lines CM4 Technical Manual 1 4 Honeywell Monitoring Points Chemcassette Tape as viewed in table top position Monitoring Points Chemcassette Tape as viewed in wall mount position Figure 1 3 CM4 Point Stain Pattern Revision 9 02 08 CM4 Four Point Continuous Monitor 1 3 3 Chemcassette Detection System Figure 1 4 Chemcassette Detection System Legend 1 Chemcassette tape 5 Sample inlet 2 Hlectronics 6 Pressure
39. except for wall anchors Here are important installation points 16 0 406 40 For detailed installation prints ask for MDA drawing 874014 I e Use appropriate anchors to secure brackets to wall e If installing multiple CM4s allow a minimum 8 inch vertical separation between brackets e Make sure brackets are securely fastened and level before locking instrument in position CAUTION The CM4 weighs about 50 pounds 23 kg Make sure all installation steps and handling procedures are done with protection and safety margin for this load Figure 3 2 Wall Mount CM4 Technical Manual 3 5 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 3 5 2 Rack Mount Kit The CM4 Rack Kit includes two custom slides and hardware for installation in a customer supplied standard 19 inch rack For detailed installation prints ask for MDA drawing 874550 I Figures 3 3 3 4 and 3 5 show rack mounting installation details 8 75 222 0 Feet 183 gt 465 0 Figure 3 3 Rack Kit Dimensions A CAUTION Verify power is Off before disconnecting customer 1 0 board Follow these points when installing the rack mount e Verify proper clearances and dimensions for instrument placement See Figure 3 3 e Remove feet e Allow 9 00 inch 23 cm height between units for proper clearance e Figure 3 4 s
40. flows are displayed 186 1681 2201 2921 In this example notice that Point 1 is within the correct flow range but Points 2 3 and 4 are out of range as indicated by the arrows Use the needle valves on the front panel see Figure 9 5 to adjust each point to 5 of setpoints When Point 2 is corrected the display shows 186 178 2201 2921 When Point 3 is corrected the display shows 186 178 171 2921 When Point 4 is corrected the display shows 186 178 1691 182 CM4 Technical Manual Honeywell In this example notice that Point 3 has drifted out of range The instrument indicates the condition by displaying the following PT 3 OUT OF RANGE NOTE The previous display occurs only when you are exiting SET FLOW ADJUST 1 EXIT 2 Select 1 to correct the out of range condition The display shows 186 178 180 182 All four flows are now correct Press RESET or ENTER to return to the Service Menu Table and Rack Mount Legend 1 Pt 1 Flow Adjustment 3 Pt 3 Flow Adjustment 2 Pt 2 Flow Adjustment 4 Pt 4 Flow Adjustment Wall Mount Figure 9 5 Point Flow Adjustments 9 7 Revision 9 02 08 CM4 Four Point Continuous Monitor 9 3 Filter Maintenance The CM4 utilizes filters to protect the unit from dust particles and potentially damaging gases Table 9 2 provides maintenance information about filters Figure 9 6 shows the relative positions of the various filters See Section 3 7 for informat
41. installations repeat Steps 1 7 for each CM4 monitor Select the Printer Format The CM4 monitor can send reports to a printer in three different formats e Continuous Mode CONT In this mode all information is printed including point concentrations for every sample period alarm and fault data and the 8 hour TWA e Summary Mode SUM This mode provides a printout of alarm and fault data and the TWA e Compressed Mode COMP This mode provides a printout of all point concentrations that exceed the lowest detectable limit alarm and fault data and TWA information This is the default and the recommended mode One printer will sustain the output information of five CM4 monitors However if you are sending information from five CM4 monitors to a single printer you should consider the type of report you wish to print Five CM4 monitors operating in a continuous mode will send enough data to the printer to fill approximately 1200 sheets of paper CM4 Technical Manual D 8 Honeywell in a 24 hour period Therefore if you are operating continuously we recommend you select either the Summary or Compressed Mode Follow these instructions to define the format of the printout 1 Press PROGRAM to exit the Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 3 OUTPUT OPTIONS then select 3 PRINTER FORMAT 3 SET UP MODE 3 OUTPUT OPTIONS 3 PRINTER FORMAT The display reads SELECT REPORT 1 CONT 2 SUM
42. is always considered the slave device and the remote equipment is the master device The remote equipment can be a personal computer PC a programmable logic controller PLC or other device capable of RS 232 RS 422 or RS 485 serial communications This configuration requires a master device Therefore one CM4 monitor will not communicate directly with another CM4 monitor However one master can be used to communi cate with more than one CM4 monitor on a two wire RS 485 bus The CM4 monitor supports multiple baud rates These user selectable rates are 1200 2400 4800 9600 and 19 200 Additional port settings are 8 bit 1 stop bit and no parity The slave is identified by an address programmed into the CM4 moni tor selectable 1 255 If more than one CM4 monitor is used each must have a unique address The equipment master is always at address 0 Each CM4 monitor will respond to a signal directed to it from the equipment To prevent a collision of messages the master must avoid transmitting any information after a packet until the slave responds Typically this occurs within 1000 milliseconds CM4 Technical Manual E 2 Honeywell E 1 2 Communication Port Access to the CM4 protocol is through the COM port This port is a DB 9 female connector This port is designed for bidirectional communications between the CM4 instrument and your equipment Signals present at the port conform to RS 232 RS 422 or RS
43. name and location see Section 6 6 6 2 Honeywell 2 6 PRINT CONFIGURATION prints the programmed configuration for the system see Section 6 7 2 7 INST SER NUMBER displays CM4 serial number see Section 6 8 2 8 PRINT MENU prints the CM4 menu options see Section 6 9 6 2 Function 2 1 Alarm History Use the alarm history function to print or display up to a maximum of 16 gas alarms with the most recent alarm shown first 6 2 1 Print Alarm History If the CM4 is equipped with a printer see Figure 6 2 for an example of a typical alarm history printout Purpose The printout of the alarm history shows the most recent alarm first for up to 16 total alarms The printout shows Instrument serial number Current date and time Customer name and location Point number Alarm date and time Concentration in ppb or ppm Alarm levels Instructions 1 Press PROGRAM to exit Monitor Mode 2 Atthe REVIEW MENU display press 1 or RIGHT ARROW and ENTER to select alarm history The display reads 1 ALARM HISTORY Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 3 Use the numeric keys to specify a point or press ENTER to 6 2 2 Display Alarm History select the alarm history of all monitored points The display briefly shows ALM HISTORY ALL PTS The alarm history display shows alarm Or e Point number PT 1 ALARM HISTORY e Concentration The display then reads for both Time 1 DISPLAY 2
44. on keypad lock operation Revision 9 02 08 CM4 Four Point Continuous Monitor 7 8 Function 3 7 Maintenance Set Up Use the maintenance set up function to enable disable e Fault counter that indicates low Chemcassette e Prompt that indicates the need for internal filter replacement e Promptthat indicates the need for sample line filter replacement if So equipped See Section 8 6 for information about resetting timers 7 8 1 Chemcassette Counter 3 7 1 Purpose Use the Chemcassette counter function to enable disable a fault that occurs when less than 24 hours of Chemcassette remains based upon a descending counter See Section 9 2 for information about replacing the Chemcassette NOTE Disabling the counters eliminates faults that would otherwise occur when the Chemcassette tape supply is low 24 hours remaining or when the internal and external filters need to be replaced If any counter is disabled the reset prompts for that counter will not appear as shown here Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the S SET UP MENU choose the subfunction 7 MAINTENANCE SET UP then 1 CHEMCASS CTR 3 SET UP MODE 7 MAINT SET UP 1 CHEMCASS CTR CM4 Technical Manual 7 16 Honeywell The display shows 3 Press CURSOR ARROW RIGHT to toggle between enabling and disabling the Chemcassette counter 4 Press ENTER to save the selection and return to the Maintenance Set Up menu 7
45. operation the following limits must be observed e 0 1 to 2 0 amps e 05 24 VDC or e 85 120 VDC caution The alarm relay has a minimum load requirement of greater than 5V and 100 mA For reliable relay operation ensure the alarm circuit meets these requirements The relay contacts are protected by metal oxide varistors rated for 120 VAC maximum operation Revision 9 02 08 CM4 Four Point Continuous Monitor 3 10 3 Wiring Guidelines To wire the alarm relays e Use shielded cable or conduit See Appendix E for additional cable information A CAUTION Failure to replace and retighten hardware after servicing can adversely affect instrument performance and EMC compliance Make certain all fasteners are reinstalled and firmly tightened This will ensure a proper ground e Connect grounds to stud at lower left corner of the I O panel See Figure 3 11 e Use 8 hardware provided e Use a single solid or stranded wire not exceeding 14 gauge per terminal block connection e Donotswitch DC current with the relay contact unless you are using counter electromotive force CEMF protection such as a suppression diode e Donotuse the CM4 power supply for external alarm power IMPORTANT Make sure all connections comply with applicable RFI EMI standards Honeywell 3 11 Wiring Optional Current Loop 4 20 mA Output Each current loop output produces a current which varies linearly from 4 to 20 mA as the concentration
46. optics verification is not successful repeat the procedure Contact Honeywell Analytics if the instrument prints and displays the error message after a second optics verification attempt 14 Reinstall the carrier and close the tape load lever Press any key to return to the Calibration main menu CMA OPTICS TEST CARD INSTRUCTIONS FOR OPTICS VERIFICATION PROCEDURE ENTER CALIBRATION MODE 1 1 OPTICS VERIFY SEE MANUAL FOR DETAILS INSERT STAIN 1 OO Lj Honeywell Figure 9 2 Optics Verification Card Revision 9 02 08 CM4 Four Point Continuous Monitor 9 2 3 Loading the Carrier To load the Chemcassette carrier T 2 CM4 Technical Manual Open the carrier Remove the supply reel and discard any remaining Chemcassette tape Remove and discard the entire take up reel Using your thumb press the center of the supply reel until the top half separates from the bottom half Move the bottom slotted side of the reel to the take up position Place the new supply reel into position and thread the Chemcassette tape through the slot in the carrier and into the slot on the take up reel Turn the take up reel 3 to 4 times to advance the Chemcassette tape 2 and take up slack Reinstall the top half of the take up reel until a click is heard Close the carrier Honeywell Figure 9 3 Loading the Carrier 9 5 Legend Carrier 4 Take up reel Chemcassette Tape 5
47. ppm ves ppm 5 sec 1874 9300 red gry blu Dry 10 50 ppm gY XP Hydrides 0 Methyl Fluoride 12 24 9 ppm CH F 10ppm 25ppm 50ppm 10 100 ppm 25 100 ppm 54 sec 874337 red blu brn CM4 P Only Monomethyl Hydrazine 5 19 ppb MMH 3 ppb 10 ppb 20 ppb 3 2000 ppb 20 2000 ppb lt 240 sec 874347 red wht brn i ioxi 0 5 8 9 ppm Nitrogen Dioxide 0 3 ppm 0 3 30 ppm 9 30 ppm 1874 9306 red grn yel 1 9 9 ppm Nitrogen Trifluoride 10 19 9 ppm z 1 ppm 1 ppm 10ppm 20 ppm 1 50 ppm 20 39 9 ppm lt 60 sec 874337 red blu brn 40 50 ppm Nitrogen Trifluoride XP NF 1 ppm 1 ppm 10ppm 20ppm 1 50 ppm 10 sec 1874 9310 red gry brn CM4 P Only Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit CM4 Technical Manual C 8 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Initial Time to 1 TLV Default Default i Alarm 2 TLV Chemcassette Gas Name Alarm Alarm Range Alarm Setting Analysis Concentration Chemcassette Label Period Part Number Level 1 Level2 seconds 10 Foot Sample Color Code Line 10 49 ppb 50 99 ppb 100 ppb 10 ppb 7 ppb 100 ppb 200 ppb 7 1000 ppb 100 199 ppb lt 15 sec 874307 red wht blu 200 1000 ppb 9 10 49 ppb 60 Phosgene 50 99 ppb 45 High Range XP 100 ppb 10 ppb 7 ppb 100 ppb 200ppb 7 4000 ppb 100 199 ppb 30 lt 15 sec 1874 9307 blk red brn COCI 200 4000 ppb
48. replace a Chemcassette tape verify that the CM4 optics system is operating properly using the optics verify function and the optics verification card supplied with your instrument The CM4 compares the nominal span values stored in the instrument s memory to the values produced by the optics verification card This procedure verifies that the optics system correctly quantifies gas levels during normal operation Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 1 CALIBRATION MODE choose the subfunction 1 OPTICS VERIFY 1 CALIBRATION MODE OPTICS VERIFY 3 Press ENTER The display reads INSERT STAIN1PRESS X 4 Open the tape load lever and carefully remove carrier See Figure 9 1 CM4 Technical Manual 9 4 Honeywell 5b Insert the verification card into the detector head with Stain 1 facing the front of the CM4 Make sure that Stain 1 is fully inserted into the detector head 6 Carefully close the tape load lever 7 Press CURSOR ARROW RIGHT on the numeric keypad The readings for Stain 1 are stored The display reads INSERT STAIN 2 PRESS 8 Open the tape load lever 9 Remove the verification card 10 Turn the card and fully insert Stain 2 11 Carefully close the tape load lever 12 Press CURSOR ARROW RIGHT The display shows one of two messages VERIFY SUCCESSFUL or F24 OPTICS FAIL 1 2 3 4 13 Open the tape load lever and remove the verification card NOTE If the
49. reset circuit utilizes the 24 VDC supply available from the CM4 monitor While this method is usable for many applications there are limitations to consider CAUTION To ensure the CM4 monitor operates correctly avoid EMI and RFI coupling circuits to the unit Follow these guidelines when wiring external circuits e Do not connect the negative side of the remote reset terminal to building ground e Do not install wiring in the same conduit with any other circuitry e If properly grounded conduitis notused a twisted pair shielded cable with the proper shield grounding techniques utilized must be used Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell A schematic of the circuit using the CM4 monitor s internal 24 VDC power supply is shown in Figure 10 2 PT 1 PT 2 PT 3 PT 4 T B T B T B T B 15 16 17 18 loo Gg Figure 10 2 Using the CM4 Monitor Internal Power Supply ees eee Boo eec Gea 222 222 ea NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC CAUTION 1 2 3 4 1 2 3 4 REPLACE FUSES WITH SAME RY1 RY3 RY5 RY7 RY9 RY11 RY13 RY14 TYPE AND RATING SPECIFIED LEVEL 1 POINT ALARMS LEVEL 2 POINT ALARMS PT m REMOTE INPUTS a PO O 19 a S N A REFER TO USER MANUAL
50. simulation mode when the alarm occurred Figure 8 2 shows a sample printout NOTE Hydrogen Sulfide H S creates an unusually dark stain on the Hydrogen Sulfide Chemcassette P N 874304 Because of this the algorithm will sometimes not report an alarm level concentration when alarm simulation is attempted with the standard optics test card Work arounds include temporarily setting the alarm levels lower For more information contact Honeywell Analytics Service This condition affects the Hydrogen Sulfide Chemcassette P N 874304 only Hydrogen Sulfide detection with the Hydrides Chemcassette P N 874300 is not affected Revision 9 02 08 CM4 Four Point Continuous Monitor 8 3 3 Function 4 2 3 Optics Alarm Test Purpose Use this function to verify the optics subsystem using the stain card and simulate a concentration on points that pass On selected points that read correctly the current loop output will produce 12 mA the Alarm LEDs flash and the alarm 1 and alarm 2 relays activate When a selected point passes the general alarm 1 and alarm 2 relays activate The following messages are printed OPTICS ALM TEST STARTING OPTICS ALARM TEST ENDING NOTE Before starting the test the software requests the menu password and asks you to select the point on which the outputs are to be produced 06 23 05 09 10 CM4 85 1 0006 06 23 05 09 11 CM4 85 1 0006 06 23 05 09 11 gt 75 0 PPM NH3 II 06 23 05 09 11 CM4 85 1 0006 06 23 05
51. switch to RS 232 6 to 9 CM4 monitors ONU e HARI printer Figure D 4 Serial Interface 6 9 CM4s Single Printer Interface RS 232 P N 874201 R Rear Panel Mount Jumpers See Section D 2 for DCE settings CM4 Technical Manual D 6 Revision 9 02 08 CM4 Four Point Continuous Monitor D 4 Instructions and Checklist If your model CM4 was ordered with a serial printer interface observe the following instructions to ensure the option s are installed properly cabled and enabled for printing Power Ensure that power to the CM4 monitor s and all options is Off Do not connect or disconnect any cables with power applied to any units Cabling Check to ensure the cables are properly connected between the CM4 monitor s printer share box if applicable and printer cAUTION Cabling used between the CM4 monitor and the external device must be shielded and properly grounded to maintain reliable operations and control RF emissions and susceptibility Printer Port Locate the printer port on the rear panel of the CM4 monitor cabinet The printer port should be identified with a label If the port is not identified apply a label to the port to indicate the interface installed On some units the panel may be marked PRINTER Enable the Printer Port Perform the following steps to enable the printer port On the CM4 monitor s 1 Apply power to the CM4 monitor Allow the monitor to perform its self diagnostic testing and wait u
52. track of Chemcassette tape usage and reports a Low Tape fault when the Chemcassette is nearing the end of the reel For this feature to work reset the tape counter when installing a fresh Chemcassette Do not reset the tape counter if rethreading or realigning a previously installed Chemcassette The CM4 can detect common human errors during the tape loading process to increase the integrity of monitoring Each Chemcassette includes a unique 12 digit Chemcassette Identification CID number that identifies the manufacture date the Chemcassette type and the serial number This number is entered into the CM4 during tape loading Aliphatic Amines NH3 CM4 874342 Storage Temp Leap than C 32 P CO CID 3376 0419 1140 Figure 8 3 Chemcassette Label with CID NOTE Disabling the counters eliminates faults that would otherwise occur when the Chemcassette supply is low 24 hrs remaining or when the internal and external filters need to be replaced See Section 7 8 1 to enable disable the Chemcassette and Section 7 8 2 to enable disable the filter counters If any counter is disabled the reset prompts for that counter will not appear as shown in Section 7 8 1 Revision 9 02 08 CM4 Four Point Continuous Monitor A WARNING Install the correct Chemcassette See Appendix C for part number information Make sure the label on the Chemcassette matches the label on the analyzer Using an incorrect Chemcassette de
53. transducer port 3 LED light source 7 Sample outlet 4 Detector 1 The sample enters the inlet 5 and passes through the Chemcassette tape 1 to the sample outlet 7 2 Target gas in the sample flow reacts with the Chemcassette tape 1 and produces a stain density proportional to the gas concentration 3 An LED 3 in the CM4 detector head illuminates the sample stain The detector 4 optically measures the stain 4 The CM4 CPU interprets the stain then reports a precise concentration level in parts per million ppm or parts per billion ppb CM4 Technical Manual 1 5 Honeywell 1 3 4 Measuring Gases Chemcassettes are available for measurement of gases as well as families of gases Gases and families the CM4 detects include See Appendix C for more information Ammonia NH Hydrogen lodide HI Arsine AsH Hydrogen Selenide H Se Boron Trifluoride BF Hydrogen Sulfide H S Chlorine Cl Hydrazine N H Chlorine Dioxide CIO Monomethyl Hydrazine MMH Diborane B H Nitrogen Dioxide NO Dimethyl Amine DMA Dimethyl Hydrazine UDMH Phosgene COCI Phosphine PH Fluorine F Silane SiH Germane GeH Tert Butyl Arsine TBA Hydrogen Bromide HBr Tert Butyl Phosphine TBP Hydrogen Chloride HCI Triethyl Amine TEA Hydrogen Cyanide HCN Tetrakis dimethylamino titanium TDMAT Hydrogen Fluoride HF The pyrolyzer Model CM4 P is specially designed to detect special gases usi
54. 0 1E 00 1E 81 04 00 EB 40 01 00 06 3D 7C 40 00 01 1D 3D 24 A6 47 3A 03 24 A6 46 E2 09 81 24 A6 46 CF 09 81 24 A5 81 17 09 81 47 Revision 9 02 08 CM4 Four Point Continuous Monitor 40 01 00 06 45 74 40 00 01 27 45 24 A6 47 45 09 00 00 00 00 00 BA 00 00 00 00 00 00 A6 00 00 00 00 00 00 A3 00 00 00 00 00 00 CC 00 25 40 01 00 09 50 00 03 E8 7B 40 00 01 0B 50 24 A6 47 6A 00 E9 Master Slave 40 01 00 07 51 1F 48 40 00 01 0B 51 24 A6 47 50 00 02 Master Slave 40 01 00 07 55 00 63 40 00 01 0B 55 24 A6 47 60 00 EE Master Slave 40 01 00 22 59 00 00 00 FA 01 F4 02 EE 50 4F 49 4E 54 5F 49 44 5F 53 54 52 49 4E 47 5F 00 00 00 40 00 01 0B 59 24 A6 48 30 00 19 The following section contains examples of packets from a master to a slave and the slave s responses Protocol version 1 is used Master 40 01 05 28 92 Slave 40 00 05 20 9B 40 01 05 30 8A 40 00 14 30 22 A6 43 C8 00 06 02 05 FF FF 37 AB 71 A5 00 A6 40 01 05 31 89 40 00 1F 31 22 A6 43 CB 5E CA FF FF 0C 1C 00 20 00 2A 00 2A 00 00 00 00 00 00 00 00 1F 00 B9 CM4 Technical Manual Master Slave Master Slave E 28 Honeywell 40 01 05 32 88 40 00 0B 32 22 A6 43 FA 2D 00 51 40 01 05 33 87 40 00 0A 33 22 A6 43 E9 00 8F 40 01 05 34 86 40 00 22 34 22 A6 43 D8 22 A5 6A 7B 22 A5 6A 7D 22 A6 41 78 22 A6 41 89 22 A6 41 4E 22 A6 22 A6 00 33 40 01 06 35 00 84 40 00 2F 35 22 A6 43 FD 01 4E 48 33 2D 49 49 00 81 00 FA 01 F4 0
55. 0x00 Points unlocked Oxff Error Start Point Lock on 0x61 This command locks the unit to one specific point When this command is issued all other points are disabled and locked on point continues to monitor for concentration and TWA Command packet to instrument Command Code 0x61 1 byte Point Lock 1 byte bits 0 1 point to lock on 00 Point 1 01 Point 2 10 Point 3 11 Point 4 Response packet from instrument Command Code 0x61 1 byte CM4 Date 2 bytes CMA Time 2 bytes Status 1 byte 0x00 Point locked 0x01 Selected point not enabled Oxff Error Revision 9 02 08 CM4 Four Point Continuous Monitor Save Current Configuration 0x62 This command saves a backup copy of the current configuration to nonvolatile memory in the CM4 monitor This configuration can be restored using the Restore Configuration command Command packet to instrument Command Code 0x62 1 byte Response packet from instrument Command Code 0x62 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Configuration saved Oxff Error Restore Configuration 0x63 This command restores a configuration that was previously saved to nonvolatile memory in the CM4 monitor Command packet to instrument Command Code 0x63 1 byte Response packet from instrument Command Code 0x63 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Configuration restored Oxff 2 Error
56. 1 Gas error 0x02 Alarm 1 Err L1 lt LAL or L1 gt FS 0x04 Alarm 2 Error L2 L1 or L2 gt FS 0x08 20 mA Error lt LAL or gt FS Oxff Save problem Revision 9 02 08 CM4 Four Point Continuous Monitor Set TWA Time 0x5A This command configures the TWA time output You need to enter only the initial TWA output time The other two time factors are calculated automatically Command packet to instrument Command Code 0x54 1 byte TWA Time 2 bytes Command Code 0x54 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Value saved and verified 0x02 Minutes Invalid Oxff 2 Not saved Set Display Time 0x5B This command configures the length in seconds Cycle that the concentration for each point is displayed while in the Monitor mode Command packet to instrument Command Code 0x5B 1 byte Cycle time 1 byte valid 2 10 sec Hesponse packet from instrument Command Code 0x5B 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Value saved and verified 0x01 Value lt 2 seconds 0x02 Value gt 10 seconds Oxff Not saved CM4 Technical Manual E 22 Honeywell Set Idle Time 0x5C This command configures how long the unit can be left out of analysis before setting an Instrument fault Idle time allows you to exit the Monitoring mode without causing an Instrument fault if the idle time is gt 0 You simply set the idle time to an appropriate id
57. 1 Introduction The installation and initial start up procedure for the CM4 consists of Six steps described in this and the following sections 1 Physical installation of the instrument at the site Section 3 Installation 2 Initial power up Section 4 Basic Operation 3 Instrument programming configurations Section 7 Set Up Menu 4 Verification of the integrity of the alarm system Section 8 3 Function 4 2 Alarm Test 5 Adjustment of CM4 sample flow rates Section 8 7 Function 4 6 Set Flow 6 Verification of the optics system Section 5 2 Function 1 1 Optics Verify 3 1 1 Mounting Alternatives The CM4 is designed to be operated in four different configurations e Tabletop e Wall mount e Rack kit customer supplied rack e Rack enclosure MDA supplied cabinet The tabletop is the basic stand alone configuration that is used throughout this manual to show instrument operation As needed certain illustrations will also show the wall mount configuration for added clarity Wall and rack configurations require either adapter kits or a separate enclosure See Section 3 5 3 for information When selecting a site for installation of the CM4 consider the mounting option best suited for your location Operators can place the CM4 up to CM4 Technical Manual 3 2 Honeywell 300 feet 90 m from monitoring points to monitor gas concentrations in an area removed from the location where gas ma
58. 1 byte Conc 2 bytes Alarm Level 1 byte bit 0 Alarm Level 0 Level 1 1 Level 2 bits 1 5 Undefined bit 6 Previously Read 0 new not previously read 1 old previously read bit 7 Undefine Revision 9 02 08 CM4 Four Point Continuous Monitor Get Current Point Status 0x37 This command queries an individual point for its current status Command packet to instrument Command Code 0x37 1 byte Point 1 byte bits 0 1 Point 00 Point 1 01 Point 2 10 Point 3 11 Point 4 bits 2 7 Undefined Hesponse Packet from instrument Command Code 0x37 1 byte CM4 Date 2 bytes CM4 Time 2 bytes If point is Disabled Invalid locked out fill with zeroes MDA Gas Abbr 6 bytes not null terminated Format Code 1 byte Flow Rate 2 bytes current flow TWA Start Date 2 bytes TWA Start Time 2 bytes TWA End Date 2 bytes TWA End Time 2 bytes TWA Conc 2 bytes Last Conc 2 bytes last reported conc Alarm Status 1 byte 0 none 1 or 2 level Fill for all conditions Status 1 byte 0x00 Data valid 0x01 Point Disabled no data filled 0x02 Point Locked Out no data filled 0x04 No TWA calculated 0x08 No concentration available 0x10 Alarm Simulation mode active Oxff Invalid data CM4 Technical Manual E 12 Honeywell Get TWA Time 0x38 This command queries the three TWA output time in a 24 hour format Each of the TWA times are eight hours apart Command packet to in
59. 15 o Phosgene COCI 10 49 ppb 60 Phosgene XP 50 99 ppb 45 COCI 100 ppb 10 ppb 7 ppb 100 ppb 200 ppb 7 1000 ppb 100 199 ppb 30 lt 15 sec 1874 9307 blk red brn 200 1000 ppb 15 9 i ll 300 ppb 5ppb Sppb 300ppb 600ppb 5 3000ppb 59000 ppb 874300 red gry wht 3 oo 300 ppb Sppb Sppb 300ppb 600ppb 5 3000ppb 2000 PP 1874 9300 red gry blu 3 1 04 9 ppm 60 Silane 5 0 9 9 ppm 45 Si 5 ppm 1ppm 0 5ppm 5ppm 10ppm 0 5 50ppm 10 0 19 9 ppm 30 25 sec 874300 red gry wht 4 20 0 50 0 ppm 15 5 Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit CM4 Technical Manual C 9 Revision 9 02 08 CM4 Four Point Continuous Monitor Default Alarm Level 2 Default Alarm Level 1 Gas Name Range Alarm Setting Initial Analysis Period seconds Honeywell Time to 1 TLV Alarm 2TLV Concentration 10 Foot Sample Line Chemcassette Label Color Code Chemcassette Part Number CM4 Technical Manual 0 5 4 9 ppm 5 0 9 9 ppm 10 19 9 ppm 20 50 ppm Silane XP SiH 5 ppm 500 ppb 0 5 mg m for arsenic OSHA 0 5 ppm 5 ppm 500 ppb 1000 ppb 50 5000 ppb 50ppb 100ppb 12 500 ppb 50ppb 100ppb 12 500 ppb 300 ppb 600ppb 75 2000 ppb 7 i 10 ppm 0 3 50 ppm 50 249 ppb 250 499 ppb 500 999 ppb 1000 5000 ppb Silane XP SiH
60. 183 35 i P XX days elapse Aliphatic Amines Ammonia 874342 183 35 When the correct CID has been entered press the ENTER key The Chlorine Oxidizers 874007 183 16 display will read Fluorine Oxidizers 1874 9306 183 35 OPEN GATE REPLACE CC XPC Hydrides 1874 9300 365 100 After opening the gate the display reads XPC Mineral nat 1874 9310 309 100 CHANGE COCLOSEGATE I NENNT ss orine Y f S After installing the carrier with a new Chemcassette see Section XPC Phosgene 1874 9807 365 100 9 2 4 for information on loading Chemcassette and closing the Gate Load Lever the following is displayed ADVANCE 1 Y 7 Press either e 1 to advance the Chemcassette five windows to verify proper threading loading Table 8 2 Chemcassette Lifetimes CM4 Technical Manual 8 10 Revision 9 02 08 CM4 Four Point Continuous Monitor 8 7 Function 4 6 Set Flow Use the set flow function to select flow balance for each point Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU choose the subfunction 6 SET FLOW 4 SERVICE MODE 6 SET FLOW The display reads ADJUST FLOWS TO 180 180 180 180 The initial flows are displayed 180 1681 2201 2921 In this example notice that Point 1 is within the correct flow range but Points 2 3 and 4 are out of range as indicated by the arrows Use the needle valves on the front panel see Figure 8 4 to adjust each point to 5 of setpoints When Point
61. 2 EE 02 EE 50 54 31 2D 43 4D 34 2D 38 35 31 2D 30 30 30 36 20 20 20 20 00 77 40 01 05 36 84 40 00 64 36 22 A6 43 E0 06 22 A5 6A E8 4E 48 33 2D 49 49 03 81 02 EE 01 22 A5 6A CA 4E 48 33 2D 49 49 03 81 02 EE 01 22 A5 6A 06 4E 48 33 2D 49 49 02 81 02 EE 01 22 A5 6A 06 4E 48 33 2D 49 49 01 81 02 EE 01 22 A5 69 F2 4E 48 33 2D 49 49 02 81 02 EE 01 22 A5 69 F2 4E 48 33 2D 49 49 01 81 02 EE 01 87 40 01 06 37 00 82 40 00 20 37 22 A6 43 E5 4E 48 33 2D 49 49 81 00 00 22 A6 00 F9 22 A6 41 06 00 00 00 00 00 00 A0 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Master 40 01 05 38 82 Master 40 01 0A 52 01 04 57 00 00 07 Slave 40 00 10 38 22 A6 44 03 00 00 40 00 80 00 00 A9 Slave 40 00 0A 52 22 A6 44 8E 00 CA Master 40 01 05 39 81 Master 40 01 08 53 00 04 57 09 Slave 40 00 0B 39 22 A6 44 06 04 00 66 Slave 40 00 0A 53 22 A6 44 20 00 37 Master 40 01 05 3B 7F 40 01 06 54 01 64 Slave 40 00 0A 3B 22 A6 44 09 1D 49 40 00 0A 54 22 A6 44 93 00 C3 40 01 06 55 01 63 40 00 0A 55 22 A6 44 25 00 30 40 01 05 3D 7D 40 00 22 3D 22 A6 43 ED 04 22 A5 6A 9D 1B 02 22 A5 69 DD 05 01 22 A5 69 BC 05 01 22 A5 69 B1 05 01 8E Master 40 01 06 56 01 62 Slave 40 00 0A 56 22 A6 44 97 00 BD 40 01 05 3E 7C 40 00 12 3E 22 A6 44 0C 03 E8 03 E8 03 E8 03 E8 00 Master 40 01 06 57 1B 47 Slave 40 00 0A 57 22 A6 44 A1 00 B2 Master 40 01 05 43 77 Master 40 01 06 58 0D 54 Slave 40 00 0E 43 22 A6 4
62. 3 COMP The cursor flashes over the current set up selection 3 Choose the type of report desired Use the numeric keys to select 1 2 or 3 The display will show PRINT FORMAT UPDATED 4 The CM4 monitor s software will automatically return to the Output Options menu Printer Make sure paper is properly loaded into the printer Switch the printer On perform any set up procedures as required by the printer manufacturer Consult the printer documentation for detailed instructions Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Note Maximum range 50 Ft D 5 Other Applications The serial printer interface is designed for unidirectional communication from a CM4 monitor to a single printer or other remote device It is possible therefore that the application for this interface requires connection to a remote device other than the printer options described in this appendix CAUTION Cabling used between the CM4 monitor and the external device must be shielded and properly grounded to maintain reliable operation and control RF emissions and susceptibility For these applications note the pin out configuration in each of the diagrams Display s i Single CM4 monitor to Display Terminal Male DB 9 Male DB 25 to CM4 to Display Terminal TX 2 3 RX Signal Gnd 5 7 Signal Gnd RTS 7 20 DTR CTS 8 5 CTS Cable Pinout Interface RS 232 P N 874201 R Rear Panel Mount Jumpers See Section D 2 for
63. 3 F1 01 F4 01 90 00 ED Slave 40 00 0A 58 22 A6 44 A7 00 AB Master 40 01 05 44 76 Master 40 01 07 5A 09 60 F5 Slave 40 00 OE 44 22 A6 43 F4 00 2A 00 2A 00 1B Slave 40 00 0A 5A 22 A6 44 AD 00 A3 Master 40 01 06 5B 02 5C Master 40 01 08 50 00 04 57 0C Slave 40 00 0A 5B 22 A6 44 B1 00 9E Slave 40 00 0A 50 22 A6 44 85 00 D5 Master 40 01 06 5C 2C 31 Master 40 01 06 51 1F 49 Slave 40 00 0A 5C 22 A6 44 B8 00 96 Slave 40 00 0A 51 22 A6 44 17 00 42 CM4 Technical Manual E 29 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Master 40 01 06 5D 00 5C Slave 40 00 0A 5D 22 A6 44 BC 00 91 Master 40 01 09 5E 22 A6 44 67 E5 Slave 40 00 0A 5E 22 A6 44 35 00 17 Master 40 01 06 5F 02 58 Slave 40 00 0A 5F 22 A6 44 C4 00 87 Master 40 01 05 60 5A Slave 40 00 0A 60 22 A6 44 76 00 D4 Master 40 01 06 61 00 58 Slave 40 00 0A 61 22 A6 44 72 00 D7 Master 40 01 08 65 OF 00 64 DF Slave 40 00 0A 65 22 A6 44 CB 00 7A Master 40 01 05 69 51 Slave 40 00 0D 69 22 A6 44 11 OF 00 00 00 1E CM4 Technical Manual E 30 Revision 9 02 08 CM4 Four Point Continuous Monitor E 7 Serial Device Applications The serial interface is designed for unidirectional communication from a CM4 monitor to a single printer or other remote device It is possible therefore that the application for this interface requires connection to a remote device other than the printer options
64. 3 shows acceptable fuse values 3 Always replace fuses with the same type and style 4 Replace the fuse cap NOTE Voltage Rating and Size MDA P N A spare fuse is located on top side of fuse cap CM4 120 volt 60 Hz 3 15A SLO BLO 5x20 mm 102531 100 volt 50 60 Hz 3 15A SLO BLO 5x20 mm 102531 220 240 volt 50 60 Hz 2A SLO BLO 5x20 mm 104708 CM4 P 110 120 volt 60 Hz 5A SLO BLO 5x20 mm 0170 0014 220 240 volt 50 60 Hz 4A SLO BLO 5x20 mm 0170 0021 Table 9 3 Fuse Replacement CM4 Technical Manual 9 11 Revision 9 02 08 CM4 Four Point Continuous Monitor 9 5 Cleaning the Chemcassette Optics See Figures 9 10 and 9 11 Clean Chemcassette optics annually or whenever an optics verification error occurs Instructions 1 Turn off power to the CM4 2 Open the tape load lever and remove the Chemcassette carrier 3 Unscrew two screws on the top panel and lift it The panel pivots on studs as shown in Figure 9 10 4 Tighten the retaining knob to hold the panel open 5 Release then remove the pressure transducer port tubing from the optics block see Figure 9 11 NOTE Remove and clean one port at a time to ensure proper orientation of tubing Do not remove the capillary tubing microtubing 6 Insert the tube of a small can of compressed air for optics cleaning into the port and spray for three or four seconds 7 Reconnectthe pressure transducer port tubing Repeat steps 4 5
65. 50 2000 ppb 500 749 ppb b with 1000 874337 red blu brn Low Level 750 2000 ppb pRa ppb gas 30 99 ppb Hydrogen Bromide XP 100 199 ppb mn pen HBr 30 ppb 20 ppb 200 ppb 400 ppb 20 2000 ppb 200 399 ppb b with 1000 1874 9310 red gry brn Low Level 400 2000 ppb jt a Hydrogen Chloride 0 5 9 9 ppm HCI 0 5ppm 0 5 ppm 2ppm 4 ppm 0 5 15 ppm 10 15 ppm lt 20 sec 874337 red blu brn 0 2 0 9 ppm Hydrogen Chloride XP 1 3 9 ppm HC 0 2 ppm 0 2 ppm 2 ppm 4 ppm 0 2 20 ppm 4 20 ppm 15 sec 1874 9310 red gry brn 100 499 ppb Hydrogen Chloride 500 999 ppb HCI 100 ppb 80ppb 500 ppb 1000 ppb 80 8000 ppb 1000 2999 ppb lt 20 sec 874337 red blu brn Low Level 3000 8000 ppb Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit CM4 Technical Manual C 5 Revision 9 02 08 CM4 Four Point Continuous Monitor Default Default Gas Name Alarm Alarm Range Level 1 Level2 Alarm Setting Initial Analysis Period seconds Time to 1 TLV Alarm 2TLV Concentration 10 Foot Sample Line Honeywell Chemcassette Part Number Chemcassette Label Color Code Hydrogen Chloride XP HCI 30 ppb 200 ppb 400 ppb 20 2000 ppb Low Level Hydrogen Cyanide 4 7 ppm HCN ceiling Tii Fluoride 0 4 ppm 0 3 30 ppm 1ppm 0 5ppm 4 7 ppm 0 5 30 ppm a Fluoride XP 0 4 ppm 0 2 20 ppm Hydrogen F
66. 8 2 Internal Filter Timer 3 7 2 Purpose Use the internal filter timer to e Enable disable a display during Load Chemcassette see Section 8 6 that indicates the number of days remaining before internal filter replacement is required Define the number of days from 30 to 365 before filter replacement is required See Section 6 7 for information on displaying the system configuration which shows the amount of days Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 7 MAINTENANCE SET UP then 2 INT FILTER TIME 3 SET UP MODE 7 MAINT SET UP 2 INT FILTER TIME The display shows INT FILTER 000 DAYS The cursor flashes over the first zero The default is 000 which indicates that the timer is disabled Revision 9 02 08 CM4 Four Point Continuous Monitor 3 If you want to e Disable the counter enter zeros for all three digits e Enable the counter use CURSOR ARROW LEFT RIGHT to move forward backward to the desired digit 4 Use the numeric keys to enter a value between 30 and 365 days 5 Press ENTER to save the selection The display returns automatically to the maintenance set up function 7 8 3 External Filter Timer 3 7 3 Use the external filter timer to e Enable disable a display during Load Chemcassette see Section 8 6 that indicates the number of days remaining before the external filters at the end of the sample lines if so equ
67. 8 PUMP LIMITS Figure 8 1 Service Mode Menu The following is an overview of each of the eight functions The following sections describe each of these functions in detail 4 1 RELAY LED TEST checks all LED indicators and alarm relays see Section 8 2 e 4 2 ALARM TEST checks alarm LEDs and alarm relays see Section 8 3 e 4 3 DIAGNOSTICS prints out operational information about the CM4 see Section 8 4 e 4 4 RESET SYSTEM deletes all operator programmed settings and replaces them with the factory default settings see Section 8 5 e 4 5 LOAD Chemcassette FILTER CHANGE if selected will reset the tape counter after loading a new Chemcassette see Section 8 6 Honeywell 4 6 SET FLOW balances the sample flowrates at each point from all CM4 sample lines through the system see Section 8 7 4 7 MDA SERVICE for use by MDA service technicians only see Section 8 8 4 8 PUMP LIMITS see Section 8 9 8 2 Function 4 1 Relay LED Test Purpose Use the Relay LED Test to test all LED indicators and all relays except the Watch Dog relay NOTE The relay test simulates an actual alarm condition and the CM4 activates the appropriate connected relays including point alarms and general alarms Notify appropriate personnel that you plan to conduct a test Instructions al Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU choose the subfunction 1 RELAY LED TEST 4 SERVICE MODE 1 RELAY LED T
68. 9 11 Microtube Assemblies 4 Perform leak test to verify system integrity See Appendix B 2 for leak test procedure Legend Release ring push up on ring pull down on tubing 3 Filter manifold 2 Pressure transducer port tubing 4 Microtube assembly CM4 Technical Manual 9 13 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 10 Options CM4 Technical Manual 10 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 10 1 Communications Options There are two optional communications features available for the CM4 monitor e Serial communications e Printers 10 1 1 Serial Communications The rear panels of the CM4 monitor allows installation of up to two optional serial interface ports These ports are designed to allow output to printers and other devices and two way communication between the CM4 monitor and another device There are five serial interfaces available for the CM4 monitor each designed for a specific communication application The options are e RS 232 for serial printer or remote unidirectional ASCII interface 15 ft max distance e RS 232 for remote bidirectional binary communication e RS 422 for serial printer or remote unidirectional ASCII interface e RS 422 for remote bidirectional binary communication e RS 485forremote multi drop bidirectional binary communication via two wire transmission e LonWorks a bus system that permits peer to peer communication infor
69. 9 TXD TXD 4 15 RXD TXD 8 17 RXD Ground 7 1 Ground These are typical pinouts Consult your printer manual for specific pinout information Cable Pinout Interface RS 422 P N 874023 R Rear Panel Mount Refer to Section D 4 for installation checklist and programming instructions Printer P N 1874 0005 Rack Mount Cable Customer supplied refer to the EMC Considerations section on page D 2 Use the connector cable pin out configuration shown for RS 422 applications Figure D 6 Serial Interface Single CM4 Single Printer up to 4000 ft distance CM4 Technical Manual D 10 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell E Serial Communications Protocol CM4 Technical Manual E 1 Revision 9 02 08 CM4 Four Point Continuous Monitor E 1 Introduction E 1 1 Overview The CM4 serial communications protocol was designed and developed by Honeywell Analytics and is proprietary information This manual will describe the setup and operation of the communication protocol Your CM4 four point continuous monitor is equipped with an optional serial remote device communication port With this communication port you can monitor the CM4 system s operation with equipment from a remote location It will also allow you to gather gas concentra tion data for analysis or reports The CM4 monitor accepts commands and issues responses to any valid command it receives The CM4 monitor
70. CM4 Four Point Continuous Monitor D 3 Cabling D 3 1 EMC Considerations The CM4 has been designed to comply with applicable EMC standards atthe time of manufacture The design includes filtering shielding and bypassing techniques At the time of certification simulated customer Input Output I O schemes were tested All methods used in your equipment for emission suppression and reduction of susceptibility are interactive Modifications to the instrument will most likely result in increased emissions and higher vulnerability to other radiated fields Following the guidelines in this EMC Considerations section will ensure your instrument maintains the highest degree of EMC integrity The guidelines listed apply only to I O emissions and do not apply to A C and D C instrument power connections Cabling At a very minimum all cables should include a braided shield Ideal results have been obtained with twisted pair cabling which has a foil shield surrounding each pair plus foil and 90 braid shielding around the bundle While this can be expensive it yields the best results In addition ensure local electrical code requirements are met Cabling Type The following cable parameters must be considered Braided Shield Foil Shield NOTE Do not use foil alone It has a tendency to break Must have a minimum 90 coverage When used with braid provides 100 coverage CM4 Technical Manual Honeywell Provides g
71. CM4 Four Point Continuous Monitor Honeywell mm r iii Technical Handboo CM4 Four Point Continuous Monitor Honeywell Your Uptime Is Our Top Priority Because your uptime is our top priority Honeywell Analytics Inc provides you with a 24 hour Emergency Service Hotline During Business Hours Honeywell Analytics Inc U S A Corporate Headquarters 847 955 8200 Toll Free 800 323 2000 www honeywellanalytics com 24 Hour Emergency Hotline 847 634 2840 Record your serial number and installation date for easy reference To save time when calling for service please have the serial number of your instrument available CM4 Technical Manual Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Symbols Used on Your Instrument Overview Your Honeywell Analytics instrument uses several symbols to provide information Each symbol provides a graphic representation of equivalent words The symbols are easily recognizable in any language Below is a listing of symbols used on Honeywell Analytics products and a brief description of what the symbols represent Your instrument model might not use all of the symbols listed here Symbols Power Switch ON Caution Refer to accompanying documents Caution statements are used to indicate hazards or unsafe practices which could result in minor personal injury or product or property damage Power Switch OFF D Power Indicator LED TIT ja pe Warning Ref
72. D 2 3 1 2 2 NU DUNS 1 3 R YR 2 4 1 2 3 PINGS iiia cuoio ea ca s nasa cesa eui saa aeree iac x rs 1 3 2 4 Sample Flow Controls 2 4 1 3 Detection System ees 1 4 3 Installation 1 3 1 Ghemcassette Carrier roereier 1 4 3 1 Introductio iii iiic icoca cout acea raa conia ceed cago aue oaa 3 2 1 3 2 Optics and Electronics s 1 4 3 1 1 Mounting Alternatives 3 2 1 3 3 Chemcassette Detection System 1 5 1 3 4 Measuring Gases eee 1 5 1 4 Displays and Controls 1 6 TAN USHA tit eek i el Sie it ei 1 6 1 4 2 Status and Alam LEDS cans 1 6 1 559 REDIT isa abiecta ot de 1 6 3 3 2 Exposure to Dust and Humidity 3 3 TAA Power TED aiii eee eer 1 6 3 3 3 Sample Transport Time 3 4 TAS FOW CNMI aono a ia ae 1 6 3 3 4 Instrument Dimensions 3 4 1 5 Electrical Connections 1 6 3 4 Sample Locations essss 3 4 IOWRUSiu RT 1 6 3 4 1 Sample Line Particulate Filter Use 3 4 CM4 Technical Manual V Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Table of Contents
73. E amp TIME 6 SET DUTY CYCLE The display reads DUTY CYCLE 900 SEC 3 Use the numeric keypad to enter the desired time period in seconds at which the CM4 samples 900 seconds for standard calibrations and 2700 seconds for XP calibrations are the maximums Enter 000 to disable the duty cycle function 4 Press ENTER to save the set duty cycle time and return to the date and time function 7 7 Function 3 6 Access Setup Password protection is included for selected menu functions The keyboard lock password is now used also for the menu password One password is used for the Model CM4 It controls access to keyboard lock protected menu access and optionally enabled menu access The password is optional for the following menu entries 1 2 MANUAL K FACTOR 1 3 CAL CURRENT LOOP 1 4 TUNE CURRENT LOOP 3 SET UP MODE 4 6 SET FLOW 4 8 PUMP LIMITS Revision 9 02 08 CM4 Four Point Continuous Monitor A password is required for the access to these menu functions 4 1 RELAY LED TEST 4 2 1 ALM INDICATOR TEST 4 2 2 SIMULATD ALM TEST 4 2 3 OPTICS ALM TEST 4 4 RESET SYSTEM Optional password checking may be enabled or disabled through menu function 3 6 2 EN DIS MENU PASSWORD The default is DISABLED 7 7 1 Set Key Lock Code Purpose Use the access setup function to change the passcode a five digit personal code that locks the keypad from unauthorized access when in the Monitor Mode The factory default key loc
74. EST Press 1 again to turn on all fault and alarm relays and all LEDs or Press ENTER to choose either LEDs or relays The display reads 1 LEDs ONLY 2 RELAYS 3 Press 1 to light all LEDs CM4 Technical Manual 8 2 Press 2 to activate all output relays The display reads CONFIRM TEST Revision 9 02 08 CM4 Four Point Continuous Monitor followed by 1 LEDs ONLY 2 RELAYS 4 Press 2 to confirm the selection and activate all relays and light all LEDs The display reads PRESS RESET TO END Press RESET to exit to the Service Menu without activating outputs 8 3 Alarm Tests 8 3 1 Function 4 2 1 Alarm Indicator Test Purpose Use the alarm indicator test function to e Test alarm LEDs and relays for individual Points e Select Level 1 and or Level 2 Alarms for each point NOTE The alarm test simulates an actual alarm condition and the CM4 activates the appropriate connected relays including point alarms and general alarms Notify appropriate personnel that you plan to conduct a test Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU choose the subfunction 2 ALARM TESTS 4 SERVICE MODE 2 ALARM TESTS 1 ALM INDICATOR TEST ENTER CODE OXXXX SIM ON NET 1 Y 0 N CM4 Technical Manual 8 3 Honeywell Pressing O causes the indication of simulated alarms to appear only on the relays and front panel LEDs Pressing 1 causes alarm indication additionally to appear on the d
75. Entering O exits without printing TWA information After selecting 1 the display advances to SELECT PROGRAM lt a b gt CM4 Technical Manual 4 3 Honeywell 4 2 2 Printing Time Weighted Averages TWA During Monitor Mode If the printer option is installed press MONITOR twice to print TWAs while in Monitor Mode The CM4 prints the current TWA information If there is no printer option installed TWAs can be displayed Refer to Section 6 4 2 4 2 3 Point Lock On During Monitor Mode The Point Lock On feature causes the CM4 to optimize tape advance timing of the most rapid updating of concentration on one point Monitoring ceases on the other points and the display locks on to the one selected point To enable a specific point 1 Press MONITOR 2 Press 1 2 3 or 4 to select the specific point The CM4 disables the remaining points The Status LED for the selected point flashes green All other point status LEDs are off To re enable disabled points either 1 Exit Monitor Mode and then reenter or 2 Press MONITOR then 0 If a point inadvertently remains locked on a fault triggers after the user defined idle time see Section 7 6 5 has elapsed The following fault displays at the end of each point display cycle F28 PT LOCK ON TIMEOUT Press RESET to clear the fault Revision 9 02 08 CM4 Four Point Continuous Monitor 4 2 4 Display Lock On During Monitor Mode Normally the CM4 displays the gas c
76. ICE MODE functions and points see Section 4 6 for complete menu 4 Press ENTER when the display shows the desired mode listing For example to select the alarm history for Point 3 selection Depending on the entry the CM4 displays the menu press the following in sequence subfunction choices e 2 to access the Review Mode CALIBRATION MODE lt a gt e 1 to access Alarm History REVIEW MENU i 3 to specify Point 3 NOTE SETUP MENU lt q P The following sections describe accessing menus and functions using the scrolling method and function keys Once you become SERVICE MENU lt q gt gt familiar with the menu structure you will be able to access If the option includes additional functions the display shows menus and functions more quickly using direct numeric entry lt a gt Press CURSOR ARROW LEFT RIGHT to display rather than using the scrolling and function key method menu options 6 Press ENTER m CM4 Technical Manual 4 7 Revision 9 02 08 CM4 Four Point Continuous Monitor 4 6 CM4 Menu Structure This section shows the complete CM4 software menu structure including the four main menus and the functions available from each menu Refer to this menu structure when using direct numeric entry to quickly access menus and programming functions 1 CALIBRATION MODE 1 1 OPTICS VERIFY 1 2 MANUAL K FACTOR 1 3 CAL CURRENT LOOP 1 4 TUNE CURRENT LOOP 2 REVIEW MODE 2 1 ALARM HISTORY 2 2 FAULT HIS
77. K Factor unchanged Revision 9 02 08 CM4 Four Point Continuous Monitor Reset Fault or Alarm 0x51 This command allows a remote reset of any faults or alarm conditions Command packet to instrument Command Code 0x51 1 byte Flag 1 byte bits 0 4 Reset selection 0x01 Point 1 alarms 0x02 Point 2 alarms 0x04 Point 3 alarms 0x08 Point 4 alarms 0x10 Faults Response packet from instrument Command Code 0x51 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Alarms reset Oxff Error CM4 Technical Manual E 18 Honeywell Set Key Code 0x52 This command allows you to reconfigure the keypad lock out and key code The keypad can be disabled preventing unauthorized user intervention by enabling the keypad lockout bit 0 This configures the keypad and a new key code The old key code must match the code currently programmed into the CM4 monitor for this command to succeed in changing the code Command packet to instrument Command Code 0x51 1 byte Keypad Status 1 byte bit 0 Keypad lock out function 0 Disable 1 Enable bits 1 7 Undefined Old Key code 2 bytes valid 0000 9999 New Key code 2 bytes valid 0000 9999 Response packet from instrument Command Code 0x51 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Saved and verified 0x01 Key code invalid Oxff 2 Error not saved Revision 9 02 08 CM4 Four Point Continuous Moni
78. M4 CM4 p and Share Box THE There are several kits available to mount CM4 and CM4 P units 1 5 2 0 into existing rack enclosures Contact Honeywell Analytics for 2 3 3 0 more information 3 1 4 0 4 3 2 1 5 1 3 1 6 0 4 1 7 7 0 0 Table 3 1 CM4 Rack Mount Loading Capacity The Model CM4 P is not retrofittable to System16 style enclosures P N 874293 Only Schroff Style enclosures P N 1874 0050 and 1874 051 may be used with these units CM4 Technical Manual 3 7 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Figure 3 6 Rack Enclosure CM4 Technical Manual 3 8 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 3 6 Installing Sample Lines Ay CAUTION FEP Teflon tubing must be used to assure proper sample transport Hydrogen Bromide HBr low level using the standard Mineral Acids Other types of tubing are not sufficiently inert Your Model CM4 includes Chemcassette p n 874337 has a sample line limit of 100 feet a 400 foot 120 m roll of 1 4 inch 6 35 mm x 3 16 inch 4 7 mm Hvdr dis ogen Bromide HBr low level using the XP Mineral Acids I D FEP Teflon sample line tubing included in CM4 kit P N 874008 Chemraccchee n lA 0 a d line limit of 300 Additional FEP tubing can be ordered from Honeywell Analytics feet NOTE l l Hydrazine N H Monomethy Hydrazine MMH and 1 1 Dimethyl Honeywell Analytics supplies FEP grade Teflon tubing with all Hydr
79. M4 Technical Manual B 9 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell P1 l l l l l l 1 l l d l 6 l 3 ir Lu I l P4 ci 0 o ee ere EER 4 10 I i J je c cr Figure B 2 CM4 Flow Diagram Legend 1 Point shut off valve solenoid optional 6 Flow adjust 11 Pump 2 Sample manifold 7 Tape advance solenoid 12 Fast loop manifold 3 Vacuum transducer 8 Acid scrubber filter 13 Particulate filter fitting 4 Micro tube 9 Particulate filter 14 Pump start solenoid 5 Optics block 10 System vacuum absolute transducer CM4 Technical Manual B 10 Revision 9 02 08 CM4 Four Point Continuous Monitor n rr M a i a M w i U U i Honeywell CM4 Technical Manual B 11 Fl 2 Figure B 3 CM4 P Flow Diagram Legend 1 Point shut off valve solenoid optional 6 Vacuum transducer 11 Acid scrubber filter 2 Particulate filter 7 Micro tube 12 Fast loop manifold 3 Freon filter 8 Optics block 13 System vacuum absolute 4 Check valve 9 Flow adjust 14 Exhaust pump 5 Pyrolyzer 10 Tape advance valve Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell C Chemcassette Detectable Gases CM4 Technical Manual C 1 Revision 9 02 08 CM4 Four Point Continuous Monitor Default Alarm Level 2 Default Alarm Level 1 Gas Name Ho
80. Mount Computer Port Customer supplied check user device for compatibility before ordering Cable User supplied Refer to diagram for pinout configuration Drop distance between the CM4 and the daisy chain cable should be as short as possible less than three feet Refer to EMC Considerations section on page D 2 Protocol Customer written per information in Appendix E Note Refer to the computer port documentation for specific pinout information for the computer s RS485 interface RS485 ports are limited to 32 nodes due to drive level limitations The number of nodes per port can be extended up to 255 by use of RS485 repeaters Figure E 3 Bidirectional Communication Single Computer Multiple CM4s over a two wire system CM4 Technical Manual E 32 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell E 7 1 Impedance Matching Impedance The communication interfaces in the first and last units in the daisy pee cl a chain configuration must have matching impedance This is true dE KO E EN whether the computer is at the end of the daisy chain or within the daisy ad b ce D chain Check the computer s interface to determine the impedance d Bb ub termination resistors value and how to install set The illustrations 5 T A below show two daisy chain schemes the first with the computer on O HGFEDCBA d the end of the daisy chai
81. ND OF SYSTEM CONFIGURATION PRINTOUT sese et tt nn CM4 Technical Manual Figure 6 6 Typical Configuration Printout 6 9 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor 6 9 Function 2 8 Print Menu Purpose Use the Print Menu function to print a list of CM4 e Menu options e Functions available from each menu Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 8 PRINT MENU 2 REVIEW MODE 8 PRINT MENU The CM4 prints a complete listing of the master menu See Section 4 6 for an example If the printer is not enabled or a printer fault occurs the CM4 displays the following PRINTER DISABLED Correct the fault and repeat Steps 1 and 2 See Section 7 4 2 to enable the printer CM4 Technical Manual 6 10 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 7 Setup Menu CM4 Technical Manual 7 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 7 1 Introduction 3 Use the Set Up Menu to e Configure the CM4 e Program monitoring sequences and parameters The Set Up Menu offers seven primary functions see Figure 7 1 7 1 1 Enabling Disabling the Keypad The CM4 includes a function that allows enabling and disabling of the keypad The function toggles between enabling and disabling the keypad when a passcode is entered via the keypad NOTE The keypad enable function and all passcod
82. NING Use caution when servicing fuses or terminal blocks Power to contacts is supplied externally 3 10 1 Relay Contacts The CM4 has 13 form C single pole double throw relays that activate external alarm devices Contacts are available for each circuit to accommodate installation of external devices The relay panel may be removed from the CM4 chassis without disconnecting relay wiring This allows you to replace the CM4 without having to reinstall the relay connections Each relay has three terminal contacts e Normally open e Fused common e Normally closed The terminal blocks for the relay contacts are located on the relay panel See Figure 3 11 Relays include Four Level 1 alarms RY1 RY3 RY5 RY7 Four Level 2 alarms RY9 R11 RY13 RY14 One general Level 1 alarm RY2 One general Level 2 alarm RY4 One watch dog power loss CPU failure relay RY12 One maintenance fault relay RY8 One instrument fault relay RY10 e One Out of Monitoring relay RY6 CM4 Technical Manual 3 12 Honeywell NOTE Make sure that watch dog relays and instrument fault relays are wired in series to ensure that any fault will trigger a diagnostic alarm This will ensure a fail safe operation Table and Rack Mount Wall Mount Figure 3 10 Relay Panel Cover Removed Legend Route relay wiring through 1 T O panel cover removed 2 knockouts as required 3 10 2 Ratings To ensure reliable contact
83. NO The printout helps to determine which point parameters to change If for example you selected point 1 pressed 1 in Step 3 the printer prints the parameters and the display briefly reads POINT 1 SELECTED The corresponding point status LED blinks The display changes to 1 GAS LEVELS 2zPTID 4 Press 2 to define the point identification The display briefly reads PROGRAM RESET Revision 9 02 08 CM4 Four Point Continuous Monitor The display then shows the default ID PT1 CM4 851 0000 The PT1 portion of the above display indicates the point ID and therefore cannot be changed You can program up to 16 total characters starting at the C Example PT1 NORTH CAB NOTE The default ID does not use the full length of 16 characters 5 Press PROGRAM to scroll up or RESET to scroll down through the 46 character alpha numeric and symbols shown here e SPACE 0123456789 e ABCDEFGHIJKLMNOPQRSTUVWXYZ e _ 6 When the correct character appears use CURSOR ARROW LEFT RIGHT to select the next space 7 Press ENTER to save the configuration turn off the blinking LED for the specific point and return to 1 GAS LEVELS 2 PT ID The point ID changed message is printed Press RESET to return to the display SELECT POINT Press RESET again and then press 1 to print the new configuration and the date and time of change if the printer is enabled or press 0 to return to the Set Up Menu 8 Todefin
84. ONT which sends all information to the printer including point concentrations for every sample period alarm and fault data and the 8 hour TWA or 2 for Summary Mode SUM which prints the alarm and fault data and the 8 hour TWA or 3 for Compressed Mode COMP which prints all point concentrations that exceed the lowest detectable limit alarm and fault data and TWA information This is the default setting Table 7 1 shows a summary matrix Revision 9 02 08 CM4 Four Point Continuous Monitor Continuous Summary Compressed Zero Readings X Non Zero Readings A Alarm Readings x x Fault Readings X X X Table 7 1 Report Options The display shows PRINT FORMAT UPDATED 4 The CM4 automatically returns to the Output Options menu 7 4 4 Relay State 3 3 4 Purpose Use the relay state function to e Select the state of the relay contacts to either energized or de energized and latching or non latching e Set the alarms to nonlatching which clears the alarm automatically without pressing RESET once the concentration decreases below the alarm level threshold or the fault is cleared NOTE The default condition is de energized for all relay contacts except the watchdog relay which remains energized as a fail safe precaution in the event of power loss Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the S SET UP MENU choose the subfunction 3 OUTPUT OPTIONS then 4 RELAY
85. ORY Figure 4 2 Typical Fault History Printout The display returns to normal 20 seconds after the last keypad entry Pressing RESET does not clear fault history CM4 Technical Manual 4 5 Honeywell 4 2 7 Display Point Flows During Monitor Mode Use the display point flows to check sample flows without leaving monitor mode To set or check the sample flows press ENTER followed by 5 The four flows will be displayed in real time along with the up or down arrows if they are out of tolerance 173 189 182 165 T The display will update once per second The display will revert to normal operation after 20 seconds or after RESET is pressed 4 2 8 Advance Chemcassette Tape During Monitor Mode Press the CURSOR RIGHT ARROW twice to advance the tape and view the stain pattern while remaining in Monitor Mode Display lock on and point lock on remain active during this procedure TWA information is uninterrupted 4 3 Program Mode To access Program Mode 1 Press PROGRAM from Monitor Mode The CM4 displays the message END MONITOR 1 Y O N 2 Press 1 to end Monitor Mode and go to Program Mode If you do not press 1 within three seconds the CM4 returns to Monitor Mode The CM4 goes to Program Mode and displays SELECT PROGRAM Press CURSOR ARROW LEFT RIGHT to select items from the four program menus Revision 9 02 08 CM4 Four Point Continuous Monitor Use the CM4 function keys while in Program Mode to Progr
86. PRINT Level 4 Press 2 to print the alarm history Instructions The CM4 sends the alarm history to the printer 1 Press PROGRAM to exit Monitor Mode 2 At the REVIEW MENU display press 1 or CURSOR RIGHT 05 15 98 09 46 CM4 851 0000 ALM HISTORY ALL POINTS ARROW ABC MANUFACTURING CO CHICAGO IL The display reads 1 ALARM HISTORY NOACARMHISTORY 3 Use the numeric keys to specify a point or press ENTER to PT2 CM4 851 0000 select the alarm history of all monitored points 05 15 98 08 33 LEVEL 1 ALARM 27 8 PPM NH3 II The display briefly shows ALM HISTORY ALL PTS Or rrr PT 1 ALARM HISTORY NO ALARM HISTORY The display then reads for both 1 DISPLAY 2 PRINT 4 Press 1 to display the alarm history The CM4 stores up to 16 alarms Press CURSOR ARROW LEFT Alarm history is not cleared using the RESET key The display returns RIGHT to scroll through the list of alarms The CM4 displays date to normal after ten seconds time point number concentration gas and alarm level Press RESET to return to the Review Menu 5 Prose either The CURSOR ARROW LEFT RIGHT to scroll the display Purpose PT1 CM4 851 0000 05 14 98 08 42 LEVEL 1 ALARM 27 6 PPM NH3 II PT3 CM4 851 0000 NO ALARM HISTORY END OF ALARM HISTORY Figure 6 2 Typical Alarm History Printout CM4 Technical Manual 6 3 Revision 9 02 08 CM4 Four Point Continuous Monitor forward backward to the next previous event stored Or e ENTER to re scroll the e
87. PT NONE No relay or other output activates The following is printed OPTICS ALARM TEST STARTING PASSED POINTS NONE Table 8 1 Sample Dialog Between CM4 and User CM4 Technical Manual 8 6 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 8 4 Function 4 3 Diagnostics Gas calibration table version P rposs Use the diagnostics function to print and display a report that shows FIR EGOX SUIS the software revision number and checksums Also use this function to perform a diagnostic check on all circuit boards in the system including a check of 2317 1844 1439 1168 Tape windows remaining SW 3 P26723 P 5495 Real time raw optics counts e Valves for shorts and opens e Power supply levels CC WINDOWS 0000 e Flow transducer operation Real time position of tape advance sensor and count of extra windows e Optics drive values pulled Tape POS000000 EW 0 Power supply voltages Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU Choose the subfunction PS 12 3 5 0 0 2 24 2 3 DIAGNOSTICS Optics DAC drive values 4 SERVICE MODE DRV 083 074 103 094 Q calibration factors The dispi d ani 1005 0905 0953 0875 isis Padi Flow transducer offsets PRINT REPORT 1 Y 0ZN FO 005 055 059 070 3 Press either Flow transducer coefficients B dde ee e 0 to display the report E Neuron ID of LonWorks interface if fitted 4 Press CURSOR ARROW LEFT RIGHT to move the cursor forward backw
88. Setting Analysis Concentration Label Period Part Number Level 1 Level2 10 Foot Sample Color Code seconds Line 0 4 2 4 ppm 0 3 30 ppm 30 sec 874342 red yel It blu DiMethyl Amine DMA NP Hydrazine ty opb 5ppb 3ppb 10ppb 20ppb 3 5000ppb 120 sec 874347 red wht brn 250 5000 ppb i Fluorine 0 1 0 99 ppm F 1ppm 0 1 ppm 0 06 ppm 1 ppm 2 ppm 0 06 10 ppm 1 10 ppm a lt 30 sec 1874 9306 red grn yel 3 5 rali 200ppb 100ppb 100 ppb 200ppb 400 ppb 100 2000 ppb 100 2000 ppb 874300 red gry wht 4 100 149 ppb i E 10 14 ppb v E 0 5 2 9 ppm Hydrogen Bromide 3 5 9 ppm rs HBr 2ppm 0 5ppm O 3ppm 2ppm 4 ppm 0 3 30 ppm 6 8 9 ppm 15 20 sec 874337 red blu brn 9 30 ppm 10 oF Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit CM4 Technical Manual C 4 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Initial Time to 1 TLV Default Default Alarm 2TLV Chemcassette Gas Name Alarm Alarm Alarm Setting Analysis Concentration Chemcassette Label Period Part Number Level 1 Level2 seconds 10 Foot Sample Color Code Line 0 3 1 9 ppm 45 2 ppm 4 ppm 0 2 20 ppm 2 20 ppm 20 sec 1874 9310 red gry brn Hydrogen Bromide XP HBr 100 249 ppb lt 60 Sec Hydrogen Bromide 250 499 ppb Alarm 500 HBr 100 ppb 50ppb 500 ppb 1000 ppb
89. TORY 2 3 CURRENT TWA 2 4 LAST POWER DOWN 2 5 CUSTOMER DATA 2 6 PRINT CONFIG 2 7 INST SERIAL 2 8 PRINT MENU 3 SET UP MODE 3 1 POINT ENABLE 3 2 POINT PARAMETERS 3 3 OUTPUT OPTIONS 3 3 1 COM PORT 3 3 2 PRINTER PORT 3 3 3 PRINTER FORMAT 3 3 4 RELAY STATE 3 3 5 2 mA FAULT OPER 3 3 6 EN DIS DUTY CYCLE 3 4 CONFIGURATION 3 5 DATE amp TIME 3 5 1 DATE FORMAT 3 5 2 SET DATE amp TIME 3 5 3 SET DISPLAY CYCLE 3 5 4 SET TWA TIME CM4 Technical Manual 4 8 Honeywell 3 5 5 SET IDLE TIME 3 5 6 SET DUTY CYCLE 3 6 ACCESS SETUP 3 6 1 EN DIS KBD LOCK 3 6 2 EN DIS MENU PASSWD 3 6 3 SET PASSWORD 3 7 MAINT SET UP 3 7 1 CHEMCASS CTR 3 7 2 INTFILT LIFETIME 3 73 4 EXT FILT LIFETIME 4 SERVICE MODE 4 1 RELAY LED TEST 4 2 ALARM TESTS 4 2 1 ALM INDICATOR TEST 4 2 2 SIMULATED ALM TEST 4 2 3 OPTICS ALM TEST 4 3 DIAGNOSTICS SOFTWARE VERSION AND KERNEL GAS TABLE VERSION FIRMWARE CHECKSUMS REAL TIME RAW OPTICS COUNTS TAPE WINDOWS REMAINING REAL TIME POSITION OF TAPE AND COUNT OF EXTRA WINDOWS PULLED POWER SUPPLY VOLTAGES OPTICS DAC DRIVE VALUES Q CALIBRATION FACTORS FLOW TRANSDUCER OFFSETS FLOW TRANSDUCER COEFFICIENTS NEURON ID OF LONWORKS INTERFACE IF FITTED PUMP LIMIT SETTINGS BAROMETRIC PRESSURE OPTICS TEMP AND INTERNAL TEMP TIMESTAMP OF ERASURE OF FAULT AND ALARM HISTORIES 4 4 RESET SYSTEM 4 5 LOAD CHEMCASSETTE 4 6 SET FLOW 4 7 MDA SERVICE Revision 9 02 08 CM4 Four Point Continuous Monitor 4
90. The CM4 returns automatically to the Set Up Menu 4 Press ENTER to acknowledge the selection 7 6 Function 3 5 Date amp Time Use the date amp time function to set 7 6 2 Set Date amp Time 3 5 2 e Date format Purpose e Current date and time Use the set date amp time function to set the current date and time The Display time for concentrations displayed in Monitor Mode clock in the CM4 is based on 24 hour time e Print time for the TWA Instructions e Time interval the CM4 operates in Idle Mode before issuing 1 Press PROGRAM to exit Monitor Mode a maintenance fault Optional dut le ti 2 From the 3 SET UP MENU choose the subfunction 5 DATE EIS EIU eM amp TIME then 2 SET DATE amp TIME csi up ee Purpose Use the date format function to change the format for the month and day that is displayed and printed on all outputs Instructions The display reads 1 Press PROGRAM to exit Monitor Mode 06 21 04 13 36 2 From the 3 SET UP MENU choose the subfunction 5 DATE 3 Press CURSOR ARROW LEFT RIGHT to move forward amp TIME then 1 DATE FORMAT backward between date and time CM4 Technical Manual 7 12 Revision 9 02 08 CM4 Four Point Continuous Monitor 4 Use the numeric keys to enter the desired date and time 5 Press ENTER to record the changes 7 6 3 Set Display Cycle 3 5 3 Purpose Use the set display cycle function to set the amount of time the concentration level for each point is displayed while moni
91. This information may be gas concentration date or other information Equipment This term is used to refer to the master device which is used to communicate with the CM4 monitor s The equipment can be a personal computer PC or other device capable of performing the digital communications described in this protocol Handshake The process of acknowledging a communication has been received The CM4 monitor uses ACK NAK responses Hexadecimal A type of numbering system with a base of 16 In this numerical system numbers 10 through 15 are represented by the letters A through F respectively The shortened version of the word hexadecimal is generally Hex as in Hex 42 Ox is the notation used in this manual for hexadecimal e g 0x42 Instrument This term is used to refer to the CM4 four point continuous monitor Master Another computer which communicates with slaves using the CM4 protocol Packet A block of information that is passed between the instrument and the equipment A packet is made from many bytes of information CM4 Technical Manual E 34 Honeywell Protocol The manner in which data is transferred and the format used for the transfer CM4 protocol refers to the packets of transferred data the CM4 instrument recognizes Slave The MDA Scientific CM4 gas monitor A network may have several slaves Time Out The maximum amount of time allowed between the time the last byte of a packet is sent
92. al packet from start code to checksum Command Size 1 byte This is 0x28 to 0x69 as defined in the remainder of this book Data Size 0 250 byte s This section varies according to the command chosen and is often empty Checksum Size 1 byte The two s complement of the sum of all the previous bytes in the packet This makes the sum of the entire packet a multiple of 0x100 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell E 2 2 Generic Data Formats place is located 000 no decimal places Date Format 001 1 decimal place Size 2 bytes 010 2 decimal places 011 2 3 decimal places For example HEX 82 1000 0010 represents PPM with 2 decimal places For a concentration value of 317 Year 7 bits Month 4 bits Day 5 bits Year is based from 1980 2005 would be 2005 1980 25 Format Code Interpretation Time Format 0000 0010 02 3 17 PPB Size 2 bytes 1000 0010 82 3 17 PPM Hours 5 bits 0000 0000 00 317 PPB Minutes 6 bits Seconds 2 5 bits Date Time Examples Date 1F 56 Oct 22 2005 Date 1F 75 Nov 21 2005 Time 13 CO 02 30 00 Time 74 23 14 33 06 Time 4C 09 09 32 18 Concentration Data Format Code UOXXXYYY U 0 concentration of PPB 1 concentration of PPM 0 future use XXX future use YYY used for PPB PPM bit 7 and indicates where the decimal CM4 Technical Manual E 6 Revision 9 02 08 CM4 Four Point Continuous Monitor E 3 Protoc
93. am the CMA for calibration fault history set up or service e Access Monitor Mode e Reset fault and alarm relays Press MONITOR to return to Monitor Mode NOTE The CM4 signals a fault after a period of idle time See Section 7 6 5 for more information 4 4 Alarms and Faults The CM4 continuously displays the current concentrations while monitoring 4 4 1 Alarms If latching relay is on default the Alarm LEDs will indicate a gas alarm if gas is detected If non latching is selected the LEDs will represent the current concentration i e if current concentration is below Alarm 1 Alarm LED will be off See Section 7 4 4 for more information NOTE During alarms the display continues to show the current gas concentration Level 1 alarms e Display current gas concentration e Constant audio alarm tone e Continuously lit Alarm LED CM4 Technical Manual 4 6 Honeywell Level 2 alarms e Display current gas concentration e Beeping audio alarm tone e Flashing Alarm LED 4 4 2 Faults If an instrument fault or maintenance fault is detected the CM4 displays the most recent fault and a fault code after the last point display The display cycles through points being monitored ending the cycle with the last fault that occurred during monitoring PT4 OPPB AsH3 This is followed by the fault information F2 LOW FLOW POINT 4 This fault information will continue to be displayed until the fault is reset
94. ard through the data The CM4 shows a or Software version and flash memory kernel Pump limit settings SW 1 P3 03 K1 1 LIMITS HI 500 LO 350 CM4 Technical Manual 8 7 Revision 9 02 08 CM4 Four Point Continuous Monitor Barometric pressure optics temperature internal temperature AP 29 07 27 4 24 5 Timestamp of erasure of fault and alarm histories HIST 11 11 99 12 32 8 5 Function 4 4 Reset System Purpose Use the reset system function to e Delete all operator programmed settings and replace them with the factory default setting e Clear the system of a software error CAUTION All user programmed settings will be set to default Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU choose the subfunction 4 RESET SYSTEM 4 SERVICE MODE 4 RESET SYSTEM The display shows 3 Press either e 1 to reset all system parameters to the factory defaults and to reboot the CM4 or e Oto keep the current system parameters Use the configuration function from the Set Up menu to retrieve a previously saved configuration see Section 7 5 CM4 Technical Manual 8 8 Honeywell 8 6 Function 4 5 Load Chemcassette Filter Change Purpose Use the load Chemcassette function to reset the tape counter when loading a new Chemcassette To ensure system integrity a new Chemcassette should be replaced before the old Chemcassette runs out of tape The CM4 automatically keeps
95. as family such as Hydrides or Mineral Acids the instrument will not show an error prompt for the wrong gas e g if you select HF rather than HCI Incorrect gas assignment or Chemcassette replacement defeats the CM4 s ability to warn of dangerous gas concentrations Be sure you have installed the proper Chemcassette in the analyzer for the type of gas being measured the CM4 will not show an error prompt for installation of an incorrect type of Chemcassette 6 Press ENTER to select the desired target gas The following display will appear briefly SET ALARM LEVELS The display will then read L1 2 0050 PPB AsH3 Both Level 1 and Level 2 alarms must be set The cursor flashes over the alarm value 7 Use the numeric keypad to set the Level 1 alarm value lower alarm level for the chosen gas Press ENTER to accept the value and advance to the following display L2 100 PPB AsH3 The cursor flashes over the alarm value 8 Usethe numeric keypad to set the Level 2 alarm value upper alarm level for the chosen gas NOTE The unit will record any changes if Level 1 is set higher than Level 2 or if Level 1 and or Level 2 are set outside the gas alarm ranges see Appendix C Re enter the values until the parameters are acceptable Revision 9 02 08 CM4 Four Point Continuous Monitor 9 Press ENTER to accept the value and advance to the display prompt used to set the current loop Full Scale values 20 mA 500 PPB Sett
96. assette Tape During Monitor Mode 4 5 3 8 2 Exhaust Tubing Specifications 3 11 4 3 Program MOUG ia aais sanant aia xin asa ca d RicE 4 5 3 9 Connecting AC Power Cord 3 11 4 4 Alarms and Faults 4 22 2 22 a n h data dann nana haad 4 6 3 10 Wiring Helaya niinc anco naturse uacua casus 3 12 LI MELIA ERREUR 4 6 3 10 1 Relay Contacts cceecnRs 3 12 24 2 Elise d cct tecto des hse dus insedit 4 6 4 5 2 Programming Using Direct Numeric Entry 4 7 3 12 Loading Chemcassette Tape 4 6 CM4 Menu Structure se 4 8 3 43 Power On Off a cicero ee cies 3 14 4 7 Keypad Locking Feature 4 9 3 14 Installation Notice esse 3 14 5 Calibration Mode Functions 3 15 Function and Cursor Keys E TTT 3 15 MMi cele fol fe iiiar aia D2 3 15 1 MONITOR vonn 3 15 5 2 Function 1 1 Optics Verify 5 2 5 15 2 PROGRAM iaa iati heit 3 15 5 3 Function 1 2 Manual K Factor 5 3 3 15 3 RESET ESCAPE ees 3 15 5 4 Function 1 3 Calibrate Current Loop 5 4 CM4 Technical Manual vi Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Table of Contents 5 4 1 Selecting the Signal Leve
97. ast out of bag expiration Replace Chemcassette ae MAINT 43 date continues monitoring no accuracy RY8 No guarantee See Table 8 2 Wrong Chemcassette Type Wrong Chemcassette type for gas family Replace with correct Chemcassette FAULT 44 RY10 On Solid 45 Chemcassette Past Expiry Chemcassette past expiration date stops Replace Chemcassette FAULT On Solid monitoring See Table 8 2 RY10 46 Chemcassette Very Stale Chemcassette past out of bag expiration Replace Chemcassette FAULT On Solid date stops monitoring See Table 8 2 RY10 Table B 1 CM4 Fault Listings cont d CM4 Technical Manual Revision 9 02 08 B 7 CM4 Four Point Continuous Monitor Honeywell B 2 Leak Check Procedure 4 Install gasket in optics and close load lever 5 Install flowmeter as follows e C t tube A exiting top of flowmeter to vacuum suppl Use the Leak Check procedure to verify leak integrity from the end of See Figure B 1 i a MSN sample line to the optics block All fittings transducers connections and sample lines are verified leak tight to approximately 22 inches Hg 560 torr of vacuum Purpose e Connect tube B exiting bottom of flowmeter to desired point 1 to 4 NOTE Items Required A full scale reading should be present e Flowmeter 0 5 Lpm with two lengths of 1 4 inch 6 35 mm O D tubing attached two 1 8 NPT to 1 4 inch fittings required 6 Block n aoi nis of the e point your flowmet
98. at the optics verification procedure Contact Honeywell Analytics if the instrument prints and displays the error message after a second optics verification attempt 13 Reinstall carrier and close tape load lever Press RESET to return to the Calibration main menu CM4 Technical Manual 5 3 Honeywell 5 3 Function 1 2 Manual K Factor NOTE Some local fire ordinances require certified calibration at installation or annual intervals While dynamic calibration is not required for proper operation of the Model CM4 Honeywell Analytics offers an optional Z Cal calibration program which can quickly and safely satisfy your local needs Contact Honeywell Analytics Service department for this service NOTE For detailed instructions on gas calibration refer to Technical Note 971092 Gas Verification of Chemcassette Monitors The Manual K factor adjusts the calculated concentration of a CM4 point The K factor is set at 1 000 for all gases during factory gas calibration Change the factor only if the instrument s concentration readings do not match that of a known calibration gas concentration and this function Use a test gas of known at ambient humidity when using to re calibrate the CM4 A K factor is the numeric result of a formula used to adjust the CM4 output of gas concentrations The K factor may be used to change the sensitivity of the instrument Adjustments to concentration are made after calculation of con
99. atmospheric pressure altitude or differential pressures developed between sample and exhaust connections of the system NOTE Always use 3 16 inch 4 7 mm I D 1 4 inch 6 35 mm O D FEP Teflon tubing for sample lines 300 ft 90 m maximum per point Use 3 16 inch 4 7 mm I D 1 4 inch 6 35 mm O D tubing for exhaust 50 ft 15 m maximum 8 9 2 Set up Instructions 1 Access Service Mode 4 8 in the SERVICE 4 SERVICE menu The display will show PRESSURE CTS 0800 The decimal value of the vacuum transducer is displayed and updated every 1 second This value is in raw electronic counts and does not represent flow rate of cc min This display alternates with the display shown below until a 1 2 3 or ESCAPE is selected 1 PUMP 2 LIMIT 3 LIT Selecting ESCAPE exits the mode and returns the software to the Service menu Selecting 1 toggles the pump On or Off Selecting 2 switches off the pump and accesses the pump limits settings Selecting 3 is for Sample Line Integrity Option see Section 10 3 Revision 9 02 08 CM4 Four Point Continuous Monitor 2 Select 1 to toggle the pump On A new pressure counts value is displayed This value is the normal reading You will use this value as a base to set the High and Low Limits 3 Select 2 to set the High and Low limits The display will show LIMITS HI 500 LO 400 The cursor flashes under the first number of the high limit Using the arrow keys moves the
100. ause one of the following example serial printer messages 10 24 00 17 44 CM4 123 0002 Line Integrity Test Disabled or 10 24 00 17 44 CM4 123 0002 Line Integrity Test Enabled CM4 Technical Manual 10 5 Honeywell Selecting ENABLE 1 Y enables the line check diagnostic Once enabled the Model CM4 establishes a baseline value for each sample line It does this with the pump off by waiting 20 seconds and then taking 10 zero readings on each of the four sample points When complete the Model CM4 switches the pump on waits 10 seconds and then takes an additional 10 zero readings on each point The difference between these values for each point is the baseline for each sample line The baseline variables delta pressure and enable are maintained in BBRAM battery backed RAM and not in EEPROM fields This means that they will be erased by Function 4 4 and also by installing new software While the baseline and pump profile measurements are being established the Model CM4 s display shows CHARACTERIZING or NOT AVAILABLE If all the transducers read 0 the display will then indicate LIT SETUP DONE The next display shows the delta counts for all four points as shown in this example 108 77 79 91 The LIT Line Integrity Test maintenance fault has been assigned to Fault code 41 It is a maintenance fault with no yellow lights and no beeping similar to the way Fault 40 Pyrolyzer Check Valve Leak is reported
101. ay shows the desired baud rate The display reads BAUD RATE UPDATED The display reads INST ADDRESS 001 6 Press ENTER after selecting the desired address A unique address must be assigned to each CM4 sharing an RS 485 bus The display then returns to the output options function Press RESET to return to the Set Up Menu CM4 Technical Manual 7 7 Honeywell 7 4 2 Optional Printer Port 3 3 2 Purpose Use the printer port function to enable the optional communication port and specify the baud rate for communication with the Network as either e 1200 baud e 2400 baud e 4800 baud e 9600 baud e 19200 baud Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 3 OUTPUT OPTIONS then 2 PRINTER PORT 3 SET UP MODE 3 OUTPUT OPTIONS 2 PRINTER PORT The display reads PRINTER PORT ENABLE 3 Press CURSOR ARROW RIGHT to toggle between enabling and disabling the printer port 4 Press ENTER The display reads PRINTER 9600 BAUD 5 Press CURSOR ARROW RIGHT to advance the display from 1200 to 2400 to 4800 to 9600 to 19 200 baud 6 Press ENTER when the display shows the desired baud rate Revision 9 02 08 CM4 Four Point Continuous Monitor The display shows the baud rate selected BAUD RATE UPDATED The display reads HW HANDSHAKE DISABLE Use the cursor keys to toggle between enable and disable Press ENTER 7 Enable the handshake The
102. azine UDMH have a sample line limit of 50 feet new instruments This tubing is manufactured to our own strict AI oiladi TM BiRi i i specifications and has been purged of all by products of the PA a p pom A ics E Um SIMPLE transpor manufacturing process On occasion users have supplied their M dl o r D dih i own tubing Should you choose to use your own tubing be advised a ll Sure oe Pen m e b 2 EEUU poer Ine that some brands of FEP tubing off gas small amounts of HF O AOW eiue TOTE DAC OTAG CANNE which can be detected on start up by MDA Scientific instruments Avoid running sample lines through areas of great temperature configured for detecting mineral acids gases HBr HCI HF rd Hire Wis a Haan asad i h 5 NF Before enabling building alarm systems make certain inch 12 eae a ie cae H J tnat you have installed the correct Chemcassette and 2 collapse the tubing Sample lines should be easily accessible Install sample lines from each location to the CM4 allowing room to e Leave as many bends as possible exposed for periodic visual access the back panel This procedure involves inspection of the line for kinked or damaged tubing e Sample line requirements Section 3 6 1 Check each sample line installation for leak integrity after completing e Tubing connections Section 3 6 2 installation of the CM4 The leak check procedure is described in e Sample line inlet connections Section 3 6 3 Appendix B Also use th
103. bled bit 7 Undefined Response packet from instrument Command Code 0x57 1 byte CM4 Date 2 bytes CMA Time 2 bytes Status Flag 1 byte 0x00 Printer programmed 0x01 Invalid report format Oxff 2 Printer programming error Revision 9 02 08 CM4 Four Point Continuous Monitor Set Point Enable Disable 0x58 This command enables or disables points on the CM4 monitor Command packet to instrument Command Code 0x58 1 byte Point enable mask 1 byte bits 0 3 Point selection 0x01 Point 1 enabeled 0x02 Point 2 enabeled 0x04 Point 3 enabeled 0x08 point 4 enabeled bits 4 7 Undefined Response packet from instrument Command Code 0x58 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Point enable updated and verified Oxff Error not saved CM4 Technical Manual Honeywell Set Point Configuration 0x59 This command configures an individual point The point can be configured even if it is disabled Command packet to instrument Command Code 0x59 1 byte Point to be configured 1 byte bits 0 1 Point 00 Point 1 01 Point 2 10 Point 3 11 Point 4 Gas Table 1 byte 0 first table Alarm Level 1 2 bytes Alarm Level 2 2 bytes 20 mA Full Scale 2 bytes Point ID 20 bytes Response packet from instrument E 21 Command Code 0x59 1 byte CM4 Date 2 bytes CMA Time 2 bytes Status 1 byte 0x00 Point configured and verified 0x0
104. cal Note T N 1988 0040 Press ENTER to proceed 20 mA 3750 Similarly this permits changing the 20 mA DAC endpoint Press ENTER to proceed SELECT POINT The above procedure should be repeated for all four points Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 6 Review Menu Functions CM4 Technical Manual 6 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 6 1 Introduction The Review Menu contains eight functions which permit viewing data It is not possible to change the CM4 configuration with these functions 2 REVIEW MENU 2 1 ALARM HISTORY 2 2 FAULT HISTORY 2 3 CURRENT TWA 2 4 LAST POWER DOWN 2 5 CUSTOMER DATA 2 6 PRINT CONFIGURATION 2 4 INST SER NUMBER 2 8 PRINT MENU Figure 6 1 Review Mode Menu The following is an overview of each of the eight options The following sections describe each of these options in detail CM4 Technical Manual 2 1 ALARM HISTORY displays and prints up to 16 gas alarms with the most recent alarm shown first see Section 6 2 2 2 FAULT HISTORY displays and prints up to eight faults with the most recent shown first see Section 6 3 2 3 CURRENT TWA displays and prints the current Time Weighted Average TWA for each point that has been monitored since the start of the current 8 hour TWA see Section 6 4 2 4 LAST POWER DOWN displays the most recent power down and power up date and time see Section 6 5 2 5 CUSTOMER DATA displays customer
105. centration and before the following are determined Serial output Exceeding alarm level Display Optional current loop 4 20 mA The factory set K factor is 1 000 for all gases To calculate a new K factor use the following formula True Concentration Value of Test Gas CM4 Reading Revision 9 02 08 CM4 Four Point Continuous Monitor A WARNING Use appropriate safety precautions when handling toxic gases Properly vent toxic gases NOTE K factors should be 1 000 unless actual gas calibration procedures are performed Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 1 CALIBRATION MODE choose the subfunction 2 MANUAL K FACTOR 1 CALIBRATION MODE 2 MANUAL K FACTOR The display now shows SELECT POINT 3 Use the numeric keys to specify the point The display shows the current K factor PT1 K FACTOR 1 000 4 Use the numeric keys to enter K factor 5 Press either ENTER to save the new entry and return to the Calibration the new Mode Or e RESET to return to the Calibration Mode without changing any data Repeat Steps 1 through 5 to adjust the calculated concentration for each point if required CM4 Technical Manual 5 4 Honeywell K factor range limits are 0 200 to 5 000 Using a value outside of these limits displays the following after which the CM4 returns to the previous display OUT OF LIMITS PT 1 K FACTOR 1 000 5 4 Function 1 3 Calibrate Current Loop P
106. chnical Manual G 1 Revision 9 02 08 CM4 Four Point Continuous Monitor Chemcassette Device Warranty Statement All products are designed and manufactured to the latest internationally recognized standards by Honeywell Analytics under a Quality Management System that is certified to ISO 9001 As such this instrument including the pump is warranted under proper use to the original end user purchaser against any defects in materials or workmanship related failures for a period of 12 months from the date of first turn on or 18 months from delivery from Honeywell Analytics to the customer whichever is less Separate warranty conditions apply to the sensor cartridges limited as indicated below During this period Honeywell Analytics will repair or replace defective parts on an exchange basis F O B to approved service centers on a global basis This warranty does not cover damage caused by accident abuse abnormal operating conditions or extreme poisoning of the sensor cartridge Defective equipment must be returned to Honeywell Analytics for repair Before returning materials for repair or replacement the Customer must obtain a Service Event Number SE by contacting Honeywell Analytics Service in advance include a detailed report stating the nature of the defect and ship the equipment prepaid to Honeywell Analytics factory If no detail report is included Honeywell Analytics reserves the right to charge an investigative fee pric
107. cienicica iiiaae aosa 9 2 A 3 General Specifications A 3 9 2 Chemcassette Maintenance 9 2 m hc ETE A 3 A32 GMA ne eer ee eee necdum occid A 3 A 4 Transport Times ee A 4 2 B Fault Listing 9 2 4 Installing the Chemcassette 9 6 H4 Faull Capa eei atriis B 2 9 2 5 Checking Flowrates eeesee 9 7 B 2 Leak Check Procedure B 8 9 3 Filter Maintenance eee 9 8 C Chemcassette Detectable Gases 9 3 1 CMA Internal Filter Replacement Procedure 9 9 D Printer Options 9 3 2 Sample Line Particulate Filter 9 10 D 1 Overview ener rrr rrr rne rn D 2 9 3 3 CM4 P Filter Maintenance 9 10 EX LII REN D 2 9 4 Fuse Replacement 9 11 RAE Aiii Am EUR D 2 9 5 1 AC Line PUB iiam cda tdt 9 11 D 1 3 Desktop Primel ards D 2 9 5 Cleaning the Chemcassette Optics 9 12 D 1 4 Enclosure Printer KIt occi D 2 9 6 Installing Microtube Assembly 9 13 D125 Printer Share Box D 2 CM4 Technical Manual viii Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Table of Contents
108. cific needs of your site 1 6 2 Activating an Alarm When the CM4 detects a gas concentration that exceeds a programmed alarm level it activates a series of signals The CM4 continues monitoring during an alarm condition NOTE When a Level 2 alarm activates the Level 1 alarm always activates e Alarm LEDs indicate Level 1 and Level 2 alarms for the appropriate point e The gas alarm relay contacts activate for the appropriate point e The general alarm contacts activate e The display continues to show the point number gas type and gas concentrations e The instrument generates the appropriate current loop signal 2 20 mA 4 20 mA and an audible tone e Alarm information is sent to the printer for printing if enabled e Alarm data most recent 16 alarm events is stored in memory e Alarm information is made available over the optional digital network port Revision 9 02 08 CM4 Four Point Continuous Monitor 1 7 Instrument Diagnostics The CM4 provides diagnostic instrument fault and maintenance requirement indications These activate one of the following e One or both fault relays activate e On board memory stores most recent eight fault events for later recall e Fault information is sent to the printer if enabled e Status LEDs light yellow for the appropriate point to indicate instrument faults e The display shows the fault information e If the fault generated is an instrument fault and the CM4 is appropriately
109. cing the filters see Section 9 3 or 0 to continue without resetting timer If the external filter timer is active see Section 7 8 3 the screen displays EXT FILTER RESET 1 Y Revision 9 02 08 CM4 Four Point Continuous Monitor 5 Press either Honeywell E Part Lifetime in piu e 1 to reset the timer after servicing the filters see Section 9 3 escription Number Bag i 9 ag or 0 to continue without resetting timer ae 9 2300 183 29 The display reads Mineral Acids 874337 183 35 USES Ch Ammonia 874402 183 16 emicasseltg Phosgene 874307 183 35 The display will then show the Chemcassette type for your CM4 Hydrogen Sulfide 874304 183 35 calibration Hydrogen Cyanide 847510 183 16 HYDRIDES Hydrazine 874347 183 35 Enter the CID number found on the label of the replacement ee aa Chemcassette orine Oxidizers 87400 83 6 CID XXXXXXXXXXXX Fluorine Oxidizers 1874 9306 183 35 E XPC Hydrides 1874 9300 365 100 If there is a problem with the CID number or the Chemcassette the XPC Mineral Acids 1874 9310 365 100 display will show one of the following messages XPC Ammonia 1874 9309 365 100 Imminent XPC Chlorine 1874 9308 365 100 Massage ii em a XPC Phosgene 1874 9307 365 100 ns ain 1 9 T ifoti UNKNOWN User pressed ESCAPE or ENTER instead of Retype CID number Unchanged Table Dole Chemeassete Literis Chemcassette ente
110. cket to instrument Command Code 0x35 1 byte Point Flag 1 byte bits 0 1 Point Number 00 Point 1 01 Point 2 10 Point 3 11 Point 4 bits 2 7 Undefined Response packet from instrument Command Code 0x35 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Point Status Flag 1 byte bit 0 Point Enable Disable bit 0 Disabled 1 Enabled bits 1 2 Point locked status 00 Normal No point lock on 01 Lock on for this point 10 2 Lock on for another point 11 Undefined bits 3 7 Undefined MDA Gas Abbr 6 bytes not null terminated Gas Table number 1 byte 0 is the first table Format Code 1 byte Alarm Level 1 2 bytes Alarm Level 2 2 bytes 20 mA 2 bytes Full Scale 2 bytes Point ID 20 bytes Status 1 byte 0x00 Point read Oxff Error CM4 Technical Manual Honeywell Get Alarm History 0x36 This command queries the unit for any alarms The unit saves only the 16 most recent alarms regardless of point The alarms can all be on one point or there can be alarms from several points Command packet to instrument Command Code 0x36 1 byte Response packet from instrument Command Code 0x36 1 byte CM4 Date 2 bytes CM4 Time 2 bytes of Alarms 1 byte alarm data up to 16 possible CM4 Date of Alarm 2 bytes CMA Time of Alarm 2 bytes Gas Abbr 6 bytes Point 4 1 byte bits 0 1 Point 00 Point 1 01 Point 2 10 Point 3 11 Point 4 bits 2 7 Undefined Format Code
111. configured the current level on the optional analog 4 20 mA output port is reduced to 2 mA Honeywell sis Point Point Relays Beeping Frondiiun Status LED Alarm LED Activated Audio Alarm Display Monitoring Greer OFF AILOFF OFF Current concentrations each point displayed for four seconds Level 1 alarm Green in Low level alarm for affected point ON Current concentrations steady General low level alarm Flashin High and low level alarms for Level 2 alarm Green 9 affected point ON Current concentrations red General high and low level alarms Low Chemcassette maintenance fault monitoring continues Green OFF Rainten ance hf OFF Current concentrations followed by fault message as See Appendix B last message in sequence OFF or OFF or Power interruption or CPU fault random isdem Watchdog fault OFF Blank or random Instrument Fault monitoring continues on unaffected points Yellow OFF Instrument fault OFF Qurrent concentrations followed by RU messadge as g P last message in sequence netrument aul Yellow OFF Instrument fault OFF Fault Message monitoring suspended CM4 Technical Manual Table 1 1 Instrument Alarms 1 8 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 2 Controls and Indicators CM4 Technical Manual 2 1 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 2 1 Introduction 2 2 Control Panel This section identifies The front co
112. cribes exhaust connections and installation 3 8 1 Exhaust Line Installation Guidelines Properly ventilate the exhaust line which should not exceed 50 feet 15 m in length If longer distances are required contact Honeywell Analytics f multiple CM4s are installed in the same location use a separate line for each exhaust outlet Do not crimp exhaust lines or place them in an area where weight could collapse the tubing or bend them to less than a 5 inch 12 cm radius e Leave as many bends as possible exposed for periodic visual inspection of the line for kinked or damaged tubing e Varying exhaust pressure can induce pump failure CM4 Technical Manual Honeywell 3 8 2 Exhaust Tubing Specifications The instrument includes 50 feet 15 m of 3 16 inch 4 7 mm I D x 1 4 inch 6 35 mm O D polypropylene tubing 3 9 Connecting AC Power Cord The CM4 requires a dedicated AC power line Configurations include e 120 volt 10 60 Hertz 3 amp e 100 volt 1096 50 or 60 Hertz 3 amp e 220 240 volts 1096 50 or 60 Hertz 2 amp The CM4 P requires e 100 120 volt 10 60 Hertz 5 amp e 220 240 volts 10 50 or 60 Hertz 4 amp Plug the line into a dedicated outlet having sufficient amperage capacity Line voltage should fluctuate no more than 10 Revision 9 02 08 CM4 Four Point Continuous Monitor 3 10 Wiring Relays This section describes relay e Contacts e Ratings e Wiring guidelines A WAR
113. d current loop 4 20 mA e Serial e Printer NOTE Any time power is lost to the CM4 it enters Monitor Mode automatically after power is restored When switching On Model CM4 P the instrument requires up to ten minutes for the pyrolyzer to heat up to its operating temperature The following display appears momentarily MONITOR MODE The display then reads WARMING UP 600 SEC Warm up time is typically faster than initially indicated on the display above The Model CM4 P will usually begin monitoring approximately one minute after lt MONITOR gt is pressed During the warm up cycle the display status LEDs will be flashing green The Chemcassette advances as the instrument enters analysis The display reads CURRENTLY MONITORING During monitoring the status LEDs for each active point will be solid green When the first concentration has been calculated the display will read PT1 NF3 0 PPM Revision 9 02 08 CM4 Four Point Continuous Monitor CAUTION The pyrolyzer operates at a very high temperature Before performing any service on the instrument always wait 30 minutes after switching off power to allow the pyrolyzer to cool 4 2 1 Exiting Monitor Mode To exit Monitor Mode 1 Press PROGRAM from Monitor Mode The CM4 displays END MONITOR 1 Y 0ZN 2 Press 1 within two seconds to end monitoring If the printer option is available the display reads PRINTTWA 1 Y O N 3 Press 1 to print TWA information
114. dels the flow controls item 6 are located on the lower left of the front panel An ambient air filter item 10 is located on the lower right Tahla Mniint 7 Honeywell The flow system includes Flow connections Manifolds Orifice Pump Valves Filters Transducers 1 2 1 Flow Connections Flow connections consist of quick connect ports on the back of the CM4 There are four inlets one for each monitored point and an exhaust outlet 1 2 2 Pump The pump provides a vacuum source for transport and sample flow during monitoring 1 2 3 Filters Filters protect the internal precision orifice from dust particles Filters are located in a removable filter block on the top of the instrument See Section 9 for information about filter replacement LEGEND 1 Tape load lever 2 20 character display 3 Alarm relays 4 Detectors and electronics 5 Status and alarm LEDs 6 Flow controls 7 Keypad 8 Filter block 9 Carrier 10 Air filter Wall Mount Figure 1 2 CM4 Components and Controls 1 3 CM4 Technical Manual Revision 9 02 08 CM4 Four Point Continuous Monitor 1 3 Detection System The CM4 uses the patented MDA Scientific Chemcassette detection system Chemcassettes sample and detect a specific gas or family of gases The Chemcassette detection system is included on an analyzer plate on top of the CM4 The analyzer plate e Retains the Chemcassette carrier e Manages Chemcassette transport
115. described in this appendix CAUTION Cabling used between the CM4 monitor and the external device must be shielded and properly grounded to maintain reliable operation and control RF emissions and susceptibility For these applications note the pin out configuration in each of the diagrams Come ort Cl ES ine oe Gome CM4 1 Monitor Computer with multiple s KE Communication Ports Multiple CM4 monitors and a single computer Female DB 9 on CM4 TX2 e RX 3 e Signal Gnd 5 e Cable Pinout Interface RS 232 P N 874022 R Rear Panel Mount Jumpers See Section D 2 for DCE settings Computer Port Customer supplied RS 232C check user device for compatibility before ordering Cable User supplied Refer to diagram for pin out configuration Also refer to the EMC Considerations section on page D 2 Protocol Customer written per information in Appendix E Note Maximum range 50 Ft Figure E 1 Serial Interface Multiple CM4s Single Computer Unidirectional Communications CM4 Technical Manual Honeywell KE CM4 fee Monitor cma m H fee Monitor d CM4 RS 422 Monitor ESE oon Computer with multiple ry ci Communication Ports RS 422 ME Multiple CM4 monitors and a single computer Bi Directional Communication up to 4000 ft distance Male DB 9
116. during operation e Flashes yellow to indicate the keypad is locked See Section 7 1 1 to activate the keypad using the passcode See Section 7 7 for passcode information Revision 9 02 08 CM4 Four Point Continuous Monitor 2 3 Relays Relays activate to indicate significant change in gas concentration or instrument status The relays are on a removable panel on the back of the instrument The main chassis of the unit is easily removed while leaving terminal contacts intact A single ribbon cable provides the wiring connection Relays provide both normally open and normally closed contacts There are separate relays for Level 1 alarm low level for each point four relays RY1 RY3 RY5 and RY7 e Level 2 alarm high level for each point four relays RY9 R11 RY13 and RY14 e General Level 1 alarm for any monitoring point RY2 e General Level 2 alarm for any monitoring point RY4 e Instrument fault RY10 e Maintenance fault RY8 e Watch dog power loss or CPU failure notification RY12 e One out of monitoring RY6 See Section 3 11 for information on wiring relays 2 4 Sample Flow Controls Flow controls adjust the sample flow through the Chemcassette For details of sample flow adjustments see Section 8 7 CM4 Technical Manual 2 4 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 3 Installation CM4 Technical Manual 3 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 3
117. e printers Operating and RS 232C Adapter manuals NOTE Draft mode should be selected to prevent backup of data in the buffer D 1 4 Enclosure Printer Kit P N MVIP2248 The Enclosure Printer Kit option is designed for customer installation into a previously purchased Schroff enclosure The kit includes an Okidata Model ML 320 Turbo with the serial interface and cable pre installed The kit also includes a paper catcher storage unit which is mounted in the rack cabinet directly below the printer Switch settings allow the printer to operate with either an RS 232C or RS 422 interface D 1 5 Printer Share Box A printer share box is required whenever more than one CM4 monitor is connected to a printer The printer share box option is available for 120 and 230 Volts Table D 1 lists the printer share box part numbers The power plug may have to be replaced or a plug adapter may be required for use in some European countries NOTE All communications cables needed to connect the CM4 monitors are included with the printer share box The printer share box manufacturer s Owner s and Reference Manuals are included Revision 9 02 08 CM4 Four Point Continuous Monitor Printer Share Boxes Instrument Inputs Part Number 6 120 VAC 1874 0007 6 230 VAC 1874 0008 11 120 VAC 1874 0010 11 230 VAC 1874 0011 Table D 1 Printer Share Box Part Numbers NOTE Cabinets supplied by Honeywell Analytics include a transformer
118. e selected point The display reads SELECT POINT beginning at 2 mA then 4 mA 8 mA 12 mA 16 mA and ending at 20 mA Each output level is displayed 5 seconds 3 Use the numeric keys to specify a point The screen The display reads displays PT 1 RAMP 2 mA PT 1 CAL 1 MAN 2 RAMP 3 STEP 4 Press 1 The selected output point drops automatically to 2 mA or remains at 4 mA depending on whether 2 mA fault operation PT 1 RAMP 8 mA is set see Section 7 4 5 The display reads PT 1 2 mA PRESS B 20 mA 5 Press CURSOR ARROW RIGHT to toggle the output between PT 1 RAMP 16 mA 2 mA to 20 mA The display reads PT 1RAMP 20mA PT 1 20 mA PRESS B 2 mA The CM4 repeats the sequence showing level of output from 4 mA to Press RESET to return to the Calibration Mode without toggling the 20 mA or 2 mA to 20 mA if selected Press RESET twice to return to test levels the Calibration Mode PT 1 RAMP 4 mA PT 1 RAMP 12 mA CM4 Technical Manual 5 5 Revision 9 02 08 CM4 Four Point Continuous Monitor 5 4 3 Selecting Signal Levels Step 1 Press PROGRAM to exit Monitor Mode 2 From the 1 CALIBRATION MODE choose CALIBRATION MENU then the subfunction 3 CALIBRATE CURRENT LOOP 1 CALIBRATION MODE CALIBRATION MENU 3 CAL CURRENT LOOP The display reads SELECT POINT 3 Use the numeric keys to specify a point The displays reads PT 1 CAL 1 MAN 2 RAMP 3 STEP 4 Press 3 The display shows the output for the select
119. e the remaining points repeat Steps 3 through 7 when the display in Step 7 reads SELECT POINT CM4 Technical Manual 7 6 Honeywell 7 4 Function 3 3 Output Options Use the output options function to specify parameters for e COM port e Printer port e Printer format Also use this function to determine e Relay state 2mA fault operational status e EN DIS duty cycle 7 4 1 Optional COM Port 3 3 1 Purpose Use the COM port function to enable the optional communication port and specify the baud rate for communication with the Network as either e 1200 baud e 2400 baud e 4800 baud e 9600 baud e 19200 baud The default speed of 9600 baud is satisfactory for most installations The CM4 Communications Protocol is described in detail in Appendix E Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 3 OUTPUT OPTIONS then 1 COM PORT Revision 9 02 08 CM4 Four Point Continuous Monitor 3 SET UP MODE 3 OUTPUT OPTIONS 1 COM PORT The display reads COM PROT VER 1 Other choices include COM PROT VER 2 COM PROT LONWORKS and COM PORT DISABLED Refer to the CM4 Serial Communications Protocol Manual P N 1998M0020 for more information 3 After making a selection press ENTER The display reads COM PORT 9600 BAUD 4 Press CURSOR ARROW RIGHT to advance the display from 1200 2400 4800 9600 to 19200 baud 5 Press ENTER when the displ
120. ections eT On Call Local Service agent New PROM Detected Software version has been revised or Call Local Service Agent Y updated Note FAULT On If this fault appears user programmed information has RY10 reverted to factory set selections 35 Pyrolyzer Temperature Fail PTx Defective heater fuse or thermocouple Call Local Service Agent and No Pulsed 37 Transport Error Tape is torn spent or not correctly installed Install replacement tape or reinstall tape con No Solid Transport Warning Hub loose on sensor shaft Tighten hub on tape sensor shaft MAINT 3i Pending tape advance problem Call Local Service Agent RY10 i i Loss of Flow PTx Tubing is blocked or plugged Check sample lines FAULT i Perform flow balance RY10 ic HESS Pyro Check Valve Failure PTx Leaking check valve Verify integrity of sample line MAINT 0 CM4 P only Replace sample line RY8 Ne a Line Leak PTx Leak in sample line Verify integrity of sample line MAINT Replace sample line RY8 i pal Chemcassette Expired Chemcassette past expiration date Replace Chemcassette MAINT 42 continues monitoring no accuracy RY8 No guarantee See Table 8 2 CM4 Technical Manual Table B 1 CM4 Fault Listings cont d B 6 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Fault Rela Beeping Yellow Description Possible Cause Corrective Action eray Audio Status No Activated Alarm LEDs Chemcassette Stale Chemcassette p
121. ed point which will be set at 4 mA whether or not a 2 mA fault operation is enabled The current loop can be lowered decremented to 20 mA if a 2 mA fault indication is enabled You are able to use the arrow keys to adjust the current loop from 4 mA to 20 mA in 1 mA increments The display reads PT 2 CURR 04 mA PT 2 CURR 07 mA Press RESET twice to return to the Calibration MENU 5 5 Function 1 4 Tune Current Loop Purpose The Tune Current Loop function allows you to adjust the CM4 monitor s output level so that it is correlated from zero to full scale with a driven device an instrument used to monitor 4 20 mA output CM4 Technical Manual 5 6 Honeywell This is necessary only if new current loop hardware has been field installed Instructions To access Tune Current Loop 1 Press PROGRAM to exit the Monitor Mode 2 From the 1 CALIBRATION MODE choose the subfunction 4 Tune Current Loop then SELECT POINT 1 CALIBRATION MODE 4 TUNE CURRENT LOOP BOARD NOT FOUND This message is displayed on newer CM4s if the optional current output board is absent or defective LOAD DEFAULT 1 Y OzN This message is displayed only on newer CM4s If 1 is chosen then the factory calibration parameters will be loaded 4 mA 712 The user may change the DAC endpoint value corresponding to 4 mA by pressing the arrow keys However this should not be performed without a known accurate external ammeter and Techni
122. eptable OxFF slave in monitor unable to accept changes CM4 Technical Manual E 26 Honeywell Get Duty Cycle 0x69 This command allows the master to find out the minimum window time and the monitor relay action during duty cycle bits on a slave The minimum window time or duty cycle defaults to zero seconds But it may be set larger to conserve tape in installations that have some concentration of gas for long periods of time The tape will not advance until the minimum window time has accumulated even if the tape is saturated During periods when the tape is saturated but prevented from advancing the CM4 will continue to report the most recent concentration reading Unfortunately it will not be able to detect any changes in concentration during this period because the tape is saturated By default the monitor relay RY6 will energize when monitoring is temporarily suspended because of tape saturation However this reaction can be inhibited for individual points The monitor relay action during duty cycle bits default to TRUE but can be set to FALSE via either the keypad or serial packet 0x65 Set Duty Cycle Command Packet to slave Command code 0x69 1 byte Response from slave Command code 0x69 1 byte CMA date 2 bytes CMA time 2 bytes Bits permitting monitor relay action during Duty cycle 1 byte bit O point1 bit 1 point2 bit 2 point3 bit 3 point4 bits 4 7 unused always 0 Min window time seconds 2 byte
123. er is e End of line plugs consisting of four 1 4 inch tube unions and Connected TO 0 sing ie Unien ane DIOC five male plugs NOTE e Sealing gasket to be installed in optics block 3 5 x 2 x 06 Float in flowmeter will drop to 0 or oscillate indicating a leak rubber tight system NOTE Items required for performing a Leak Check should be available at most installation sites Contact Honeywell Analytics service department for assistance in specifying or supplying parts needed Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU choose the subfunction 6 SET Figure B 1 Internal Manifold Front Top Edge FLOW 7 Move tube B to next desired test point and repeat step 7 4 SERVICE MODE NOTE 6 SET FLOW Individual testing is recommended to ensure location is NOTE consistent with labeling CM4 display ignored 8 Remove plug on completion of last point 3 Open gate remove Chemcassette and remove filter assembly CM4 Technical Manual B 8 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell A CAUTION Make sure end of line filters are in place where recommended NOTE If aleak is detected the sample line can be exchanged for a plug isolating the problem to the tubing unit or connection 9 After procedure is complete replace filter assembly open gate and remove gasket 10 Reinstall Chemcassette Close gate and flow balance system before returning to Monitor Mode C
124. er to accompanying documents Warning statements are used to indicate hazards or unsafe practices which could result in severe personal injury or death Locked Keypad LED Alarm LED 24 i 1 3r a 4 Equipment Mounting Caution Risk of electrical shock ros Position in Rack zi Caution Hot Surface A Pomer nate Direct Current D C Libe b Ground Terminal as Printer CM4 Technical Manual ii Revision 9 02 08 CM4 Four Point Continuous Monitor EMC Considerations Overview Your Honeywell Analytics instrument has been designed to comply with applicable Electromagnetic Compatibility EMC standards at the time of manufacture The design includes filtering shielding and bypassing techniques At the time of certification simulated customer Input Output I O schemes were tested All methods used in your equipment for emission supression and reduction of susceptibility are interactive Modifications to the instrument will most likely result in increased emissions and higher vulnerability to other radiated fields Following the guidelines in this EMC Considerations section will ensure your instrument maintains the highest degree of EMC integrity The guidelines listed apply only to I O emissions and do not apply to A C and D C instrument power connections Cabling At a very minimum all cables should include a braided shield Ideal results have been obtained with twisted pair cabling which has a foil shield surrou
125. eriod seconds Time to 1 TLV Alarm 2TLV Concentration 10 Foot Sample Line Honeywell Chemcassette Part Number Chemcassette Label Color Code Chlorine II CL Low Level Chlorine XP C Chlorine XP Low Level CL Chlorine Dioxide CIO Diborane B H Diborane XP BH CM4 Technical Manual 0 5 ppm 0 05 ppm 0 04 ppm 0 5 ppm 0 05 ppm 0 05 ppm 100 ppb 50 ppb 32 ppb 100 ppb 20 ppb 15 ppb 100 ppb 15 ppb 10 ppb Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit 0 5 ppm 1 ppm 500 ppb 1000 ppb 100 ppb 200 ppb 100 ppb 200 ppb 100 ppb 200 ppb 0 04 5 ppm 0 05 5 ppm 7 2000 ppb 32 1000 ppb 15 1000 ppb 10 1000 ppb C 3 0 1 5 ppm 0 05 0 24 ppm 0 25 0 49 ppm 0 5 5 ppm 0 05 0 24 ppm 0 25 5 ppm 30 199 ppb 200 499 ppb 500 2000 ppb 32 99 ppb 100 199 ppb 200 399 ppb 400 1000 ppb 20 99 ppb 100 199 ppb 200 299 ppb 300 1000 ppb 15 49 ppb 50 99 ppb 100 1000 ppb lt 15 sec _ 874007 1874 9306 1874 9308 1874 9308 red yel red grn yel red grn It blu red grn It blu red grn yel 874300 red gry wht 1874 9300 red gry blu Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Initial Time to 1 TLV Default Default Alarm 2 TLV Chemcassette Chemcassette Gas Name Alarm Alarm Alarm
126. ers Each number is a byte For example the word BAD is 0x42 0x41 0x44 Revision 9 02 08 CM4 Four Point Continuous Monitor The collection of the three bytes in our message 0x42 0x41 0x44 may be referred to as a packet since these bytes are always associated with each other Just as all words are not the same length number of letters packets may also vary in length One way to denote the size of the word is to put the number of letters you have in the word as the first number in your packet Your data packet containing the word or command BAD will then become 0x03 0x42 0x41 0x44 Checksum Check Character During transmission of the packet an error could change the value of the data Suppose in our example for instance the packet 0x03 0x42 0x41 0x44 is actually 0x03 0x42 0x30 0x44 How can you determine that the numbers you get are the same as the numbers sent Using a check character is a method of assigning a value to the packet to check if any bytes have been modified If all the data bytes are added together and this sum made into a byte that byte could be called a check character or more commonly referred to as a checksum For the CM4 instrument the checksum is the negated sum of all the bytes in the packet In our example the packet is 0x03 0x42 0x41 0x44 0x36 For this packet the sum modulo Ox100 of all the bytes added to the checksum must equal zero 0 Any other result indicates there is a
127. es 43 2 cm Depth 17 3 4 inches 45 cm Weight 55 pounds 25 kg Mounting Table Top Standard Wall Mount Optional Rack Mount Optional Tubing dimensions are Sample lines 3 16 inch 4 7 mm I D x 1 4 inch 6 35 mm O D FEP Teflon 300 ft 90 m maximum per point except for HBr LL 100 feet maximum per point and N H and MMH with 50 feet maximum Exhaust line 3 16 inch 4 7 mm I D x 1 4 inch 6 35 mm O D tubing 50 ft 15m maximum Honeywell 4 20 mA analog 100 800 ohms Relay output contacts Maximum 127 VAC or 24 VDC 9 2 amps Minimum 24 VAC or 5 VDC 9 100 mA Installation Category overvoltage category Il Operating Temperature 50 104 F 10 40 C Humidity 20 80 RH A 3 2 CM4 P Physical dimensions are as follows Height 9 3 16 inches 23 3 cm Width 17 inches 43 2 cm Depth 18 3 4 inches 45 cm Weight 55 pounds 25 kg Mounting Table Top Standard Wall Mount Optional Rack Mount Optional Tubing dimensions are Sample lines 3 16 inch 4 7 mm I D x 1 4 inch 6 35 mm O D FEP Teflon 300 ft 90 m maximum per point except for HBr LL 100 feet maximum per point and N H and MMH with 50 feet maximum Exhaust line 3 16 inch 4 7 mm I D x 1 4 inch 6 35 mm O D tubing 50 ft 15m maximum Output requirements are 4 20 mA analog 100 800 ohms Relay output contacts Maximum 127 VAC or 24 VDC 9 2 amps Minimum 24 VAC or 5 VDC 9 100 mA Installation Category overvoltage categor
128. es available upon request before any repair or replacement is performed Returned goods must detail the Service Event Number SE clearly on the package Service in the field or at the customer s premises is not covered under these warranty terms Time and travel expenses for on site warranty services will be charged at Honeywell Analytics normal billing rates Contact your Honeywell Analytics representative for information on available Service Contracts Honeywell Analytics shall not be liable for any loss or damage whatsoever or howsoever occasioned which may be a direct or indirect CM4 Technical Manual G 2 Honeywell result of the use or operation of the Contract Goods by the Buyer or any Party This warranty covers the gas detector and parts sold to the Buyer only by authorized distributors dealers and representatives as appointed by Honeywell Analytics This warranty does not cover defects attributable to improper installation repair by an unauthorized person or the use of unauthorized accessories parts on the product A warranty claim will only be accepted if a proof of purchase is submitted and all conditions obtained within this Warranty are met Honeywell Analytics reserves the right to validate any warranty claim prior to processing Upon acceptance of a warranty claim Honeywell Analytics will repair or replace the defective product free of charge The initial warranty period is not extended by virtue of any works carr
129. es begin with 9 number The keypad locking feature is disabled by default However it may be enabled by setup function 3 6 1 While in the Monitor Mode entering the proper passcode toggles between the keypad lock and unlock conditions The factory set default is 90000 For all subsequent CM4 operation you must use a passcode to change between keypad lock and unlock i e enabled and disabled For passcode information refer to Section 7 7 CM4 Technical Manual 7 2 SET UP MODE 3 1 3 2 3 3 3 4 3 5 Honeywell POINT ENABLE POINT PARAMETERS OUTPUT OPTIONS 3 3 1 3 3 2 3 3 3 3 3 4 3 3 5 3 3 6 COM PORT PRINTER PORT PRINTER FORMAT RELAY STATE 2mA FAULT OPER EN DIS DUTY CYCLE CONFIGURATION DATE amp TIME 3 5 1 3 5 2 3 5 3 3 5 4 3 5 5 3 5 6 DATE FORMAT SET DATE amp TIME SET DISPLAY CYCLE SET TWA TIME SET IDLE TIME SET DUTY CYCLE 3 6 ACCESS SETUP 3 6 1 3 6 2 3 6 3 END DIS KBD LOCK EN DIS MENU PASSWD SET PASSWORD 3 7 MAINT SET UP 3 7 1 3 7 2 3 7 3 CHEMCASS CTR INT FILTER LIFETIME EXT FILTER LIFETIME Figure 7 1 Set Up Menu Revision 9 02 08 CM4 Four Point Continuous Monitor The following is an overview of each of the seven functions The following sections describe each of these functions in detail e 3 1 POINT ENABLE disables points not needed see Section 7 2 e 3 2 POINT PARAMETERS configures points selects gas type alarm level and 20 mA full scale a
130. faults 1 byte 0 4 maximum fault data maximum of four possible Date of fault 2 bytes Time of fault 2 bytes Fault 1 byte Point Status 1 byte bit 0 General fault bit 0 point specific 1 general bits 1 2 Point 4 where fault occurred ignored if bit O is 1 and for Flts 17 and 18 00 Point 1 01 Point 2 10 Point 3 11 Point 4 bits 3 5 Undefined bit 6 Previously Read 0 new not previously read 1 old previously read bit 7 Instrument Fault 0 maintenance fault the CM4 s ability to monitor is not compromised CM4 Technical Manual E 14 Honeywell 1 instrument fault the CM4 s ability to monitor is compromised Get K Factor OX3E This command will inquire about K Factor settings for all points An individual point is assigned with a K Factor times 1000 a K Factor of 1 000 is sent as 1000 The K Factor is used to change the sensitivity of a point in the range of 0 200 5 000 This adjustment is made after the calculation of concentration Command packet to instrument Command Code Ox3E 1 byte Response packet from instrument Command Code Ox3E 1 byte CM4 Date 2 bytes CM4 Time 2 bytes K Factor x 1000 Point 1 2 bytes K Factor x 1000 Point 2 2 bytes K Factor x 1000 Point 3 2 bytes K Factor x 1000 Point 4 2 bytes Status 0x00 Point read Oxff Read problem Revision 9 02 08 CM4 Four Point Continuous Monitor Get Pyrolyzer Temperatures 0x42 This
131. feats the CM4 s ability to warn of dangerous gas concentrations Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU Choose the subfunction 5 LOAD Chemcassette 4 SERVICE MODE 5 LOAD Chemcassette 3 Press ENTER If the Chemcassette counter is enabled the display briefly reads CC XXX DAYS LEFT The display then reads RESET COUNTER 1 Y 4 Press either 1 to re initialize the counter so that the display shows a fault when less than 24 hours of Chemcassette remains or 0 to continue without resetting timer If the internal filter timer is active see Section 7 8 2 The screen displays XX DAYS REMAINING then displays INT FILTER RESET 1 Y CM4 Technical Manual 8 9 Honeywell 5 Press either 1 to reset the timer after servicing the filters see Section 9 3 or 0 to continue without resetting timer If the external filter time is active see Section 7 8 3 The screen displays XX DAYS REMAINING then displays EXT FILTER RESET 1 Y 6 Press either 1 to reset the timer after servicing the filters see Section 9 3 or 0 to continue without resetting timer The display reads USES Chemcassette The display will then show the Chemcassette type for your CM4 calibration HYDRIDES Enter the CID number found on the label of the replacement Chemcassette CID XXXX XXXX XXXX Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell
132. following Quick start procedure at installation before operating the instrument With the Chemcassette and tubing installed 1 Access Service Mode 4 8 in the SERVICE 4 SERVICE menu The display will show PRESSURE CTS 832 1 PUMP 2 LIMITS 2 Press 1 to switch the pump on A new pressure counts value will appear in the display This is your normal reading 3 Select 2 to set the High and Low Limits 4 Set the High Limit value to the normal reading plus 52 12 5 Set the Low Limit value to the normal reading minus 52 12 6 When the values are set press ENTER to store the values Refer to Section 8 9 for more details on this procedure Revision 9 02 08 CM4 Four Point Continuous Monitor 3 15 Function and Cursor Keys This section describes function keys and cursor keys 3 15 1 MONITOR Press MONITOR to initiate monitoring 3 15 2 PROGRAM Press PROGRAM to exit the Monitor Mode 3 15 3 RESET ESCAPE Press RESET to reset all CM4 alarm and fault LEDs and relays Also press RESET to escape from subroutines 3 15 4 ENTER Press ENTER to confirm configuration changes 3 15 5 CURSOR ARROW LEFT RIGHT Press CURSOR ARROW LEFT RIGHT to e Scroll the display forward backward to access menus and functions e View and configure CM4 operating parameters including calibrating reviewing alarm history reviewing configuration setting up for operation and servicing the instrument CM4 Technical Ma
133. four points The loop resistance wire and switch contact resistance should be 2000 ohms per point maximum 2 Do not run the alarm circuit wiring in the same conduit with wiring for inductive loads such as motor controls or AC loads and lines 3 Use switches designed for low current applications with normally open momentary close contacts 4 The back panel of the CM4 has been designed to allow low voltage wiring to exit from the unit from the right side as you view the back panel while higher voltage and AC wiring exits on the left Keeping this wiring protocol reduces the risk of electrical noise causing interference to your alarm circuit The remote inputs are located at the lower right of the relay panel as shown below CM4 Technical Manual 10 3 Honeywell 10 2 3 Using an External Power Supply The recommended method of wiring the remote alarm reset circuit is using an external user supplied 24 VDC power supply Using the external power supply provides a very efficient method of powering the alarm reset circuit and reduces the risk of electrical interference within the CM4 monitor A schematic of the circuit is shown in Figure 10 1 24 VDC 10 100 mA 18 OO Figure 10 1 CM4 Circuit Schematic OO LA CIO 10 2 4 Using the CM4 Monitor s Internal Power Supply Another method of installing the remote alarm
134. from the master device to the time the slave device responds The time out period for this protocol is one second Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell F Installation Drawing CM4 Technical Manual F 1 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell z 3 3 et Mx poor suc 25 5 8 1600 rre np PELE SM4 POWER SICH REF TO cM POWER SMICH A qose nase tere os rons i zu SiMPLE Tue DOOR CLEARANCE MET BE UT TM PONT 4 FFONT AND REAR Y DIMENSION BEFORE Ie ERIN ier cd AMPLE POINT CONNECTION REAR REMOVABLE
135. function to enable a 2 mA signal on the current loop that indicates when an instrument fault occurs The CM4 differentiates between a power loss and a fault by dropping the signal to 0 mA after a power loss or CPU failure and 2 mA when an instrument fault occurs When enabled the fault operation function causes the calibrate current loop function from the Calibration Mode to include the 2 mA outputs as part of the CM4 s fault routine See Section 5 4 for information on the calibrate current loop function CM4 Technical Manual 7 10 Honeywell Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 3 OUTPUT OPTIONS then 5 2 mA FAULT OPER 3 SET UP MODE 3 OUTPUT OPTION 5 2 mA FAULT OPER 3 Press ENTER 4 Press CURSOR ARROW RIGHT to toggle between enabling and disabling the 2 mA fault signal The display reads 2 mA FAULT ENABLED 5 Press ENTER to acknowledge the selection 7 4 6 Enable Disable Duty Cycle Option 3 3 6 Purpose The Duty Cycle option allows you to select a minimum time period before the next window will advance With the introduction of XP Chemcassette gas calibrations the Duty Cycle period has been changed to be as long as the window time for the selected gas calibration family The window will not advance regardless of the gas condition This will slow the Model CM4 s response but reduce tape consumption The minimum window time or Dut
136. ge A NAK indicates that a data packet has been received but the checksum did not match with the packet data The master may send the request again An example of an ACK packet is 0x40 0x00 0x05 0x20 Ox9B 40 0 4 5 20 9B 0x100 Revision 9 02 08 CM4 Four Point Continuous Monitor E 2 Protocol Packet Definition E 2 1 Packet Format Two similar protocols are supported by CM4 software The original protocol with a minimum packet length of five bytes is included for compatibility with previous software Additionally a new protocol with a minimum packet length of six bytes is included for greater robustness Examples of packets using both protocols are included at the end of this chapter The format of packets using original version 1 protocol is as follows start receiver length command data checksum code address The format of packets using the new version 2 protocol is similar start receiver transmitter Start Code Size 1 byte Always 0x40 Receiver Address Size 1 byte For responses from slave to master this is always 0 For inquiries from master to slave this must match the slave s address as set with menu function 3 3 1 Transmitter Address Size 1 byte For inquiries from master to slave this is always O For responses from slave to master this will match the slave s address as set with menu function 3 3 1 CM4 Technical Manual E 5 Honeywell Length Size 1 byte The length of the tot
137. handshake when enabled indicates a printer time out fault on the maintenance relay The display reads HW HANDSHAKE ENABLE This option enables RTS CTS flow control on the printer output The CM4 is not capable of Xon Xoff flow control Press CURSOR ARROW LEFT or RIGHT to toggle between enable and disable When the display shows ENABLE press ENTER The display will momentarily show HW HANDSHAKE ENABLED NOTE HW Handshake is not used for RS 422 operation No printer time out is issued If you are using RS 422 option P N 874023 F or 874023 R choose DISABLE and then press ENTER The display then returns to the output options function Press RESET to return to the instrument Set up Menu See Appendix D for additional information For multiple instrument installations repeat Section 7 4 2 for each CM4 monitor CM4 Technical Manual 7 8 Honeywell 7 4 3 Printer Format 3 3 3 Purpose Use the printer format function to define the format of the printout Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the S SET UP MENU choose the subfunction 3 OUTPUT OPTIONS then 3 PRINTER FORMAT 3 SET UP MODE 3 OUTPUT OPTIONS 3 PRINTER FORMAT The display reads SELECT REPORT 1 CONT 2 SUM 3 COMP The cursor is flashing over the current set up 3 Select the type of report desired Report contents are listed in Table 7 1 use the numeric keys to select the type of report 1 for Continuous Mode C
138. hows right side fastener locations Left side installation is identical e Inthe recessed position make sure there is 3 1 4 inch 8 25 cm clearance for the loop of slack cable as shown in Figure 3 5 Be PA t Figure 3 4 Mounting Adjustable up to 28 between front rear mounting rail Figure 3 5 Cable Attachments CM4 Technical Manual 3 6 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 3 5 3 Rack Mounting the CM4 P 3 5 4 Rack Enclosures The rack enclosure configurations provide space for up to seven CM4 A CAUTION units or five CM4 units plus a printer in an Honeywell Analytics The pyrolyzer operates at a very high temperature therefore CM4 P supplied cabinet units should not be placed immediately adjacent to each other To The CM4 rack enclosure will be custom configured for each application provide effective air circulation around the Model CM4 P cabinets Supplemental installation and start up instructions will be provided with the configuration guidelines in Table 3 1 must be maintained the cabinet As a pre installation step users must prepare floor anchors The recommended quantities and combinations of CM4 and CM4 P to secure the base of the cabinet and prevent tipping See Figure units in a rack is shown in Table 3 1 3 6 For detailed installation prints see Appendix F Installation Qty Qty Printer Erewings Configuration Qty C
139. ic keys to enter the desired time interval for printing the TWA For example to print at 11 59 a m press 1 1 5 9 4 Press ENTER The display reads TWA TIME UPDATED The CM4 returns automatically to the date and time function Revision 9 02 08 CM4 Four Point Continuous Monitor 7 6 5 Set Idle Time 3 5 5 Purpose Use the set idle time function to set the amount of time the CM4 remains out of Monitor Mode before causing an instrument fault This is to prevent the unit from being accidentally left out of Monitor Mode Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 5 DATE amp TIME then 5 SET IDLE TIME 3 SET UP MODE 5 DATE amp TIME 5 SET IDLE TIME The display reads IDLE TIME 15 MIN 3 Use the numeric keys to enter the desired idle time between 0 and 45 0 disables this function 4 Press ENTER to save the new time and return to the date and time menu 7 6 6 Set Duty Cycle optional 3 5 6 Purpose Use the optional set duty cycle to set an interval at which the CM4 samples The Chemcassette is not advanced until the duty cycle interval has elapsed thereby minimizing tape consumption for known high background levels Instructions 1 Press PROGRAM to exit Monitor Mode CM4 Technical Manual 7 14 Honeywell 2 From the S SET UP MENU choose the subfunction 5 DATE amp TIME then 6 SET DUTY CYCLE 3 SET UP MODE 5 DAT
140. ied out there after Instruments which have been repaired or replaced during the warranty period are warranted for the remainder of the unexpired portion of the original warranty period Honeywell Analytics is released from all obligations under its warranty in the event repairs or modifications are made by persons other than its own authorized personnel unless such work is authorized in writing by Honeywell Analytics Honeywell Analytics is released from all obligations under its warranty in the event that detection substrates other than Honeywell Analytics Chemcassettes have been installed and used in Honeywell Analytics instruments Honeywell Analytics reserves the right to change this policy at any time Contact Honeywell Analytics for the most current warranty information Chemcassette Warranties All Chemcassettes are warranted for a period not to exceed the Chemcassette expiration date printed on each package and tape reel Revision 9 02 08 Find out more www honeywellanalytics com Asia Pacific Honeywell Analytics 508 Kolon Science Valley I 187 10 Guro Dong Guro Gu Seoul 152 050 Korea Tel 82 2 2025 0300 Fax 82 2 2025 0329 analytics ap honeywell com Americas Honeywell Analytics 405 Barclay Boulevard Lincolnshire IL 60069 Tel 1 847 955 8200 Toll free 1 800 538 0363 Fax 1 847 955 8208 detectgas honeywell com Europe Middle East and Africa Life Safety Distribution AG Wilstra
141. igital network This includes the LonWorks Control Net Profibus and CM4 Serial Communication protocol The display shows SELECT POINT 3 Press 1 2 3 or 4 to select the point for testing The display reads PT 1 LEVEL 4 Use the numeric keys to press 1 or 2 to indicate Level 1 or Level 2 Alarm The display reads CONFIRM TEST 5 Repeat Step 4 to confirm the selection The appropriate alarm relays activate If desired continue to select points and alarm levels for testing by repeating steps 2 through 4 Press RESET to exit the alarm test function reset all alarm relays and return to the Service Menu 8 3 2 Function 4 2 2 Simulated Alarm Test Purpose Use this function to simulate a gas concentration while the instrument is in the Monitor Mode In the Alarm Test Mode the Model CM4 will permit the insertion of the Optics Test Card into the optics block to simulate a stain The Alarm Test Mode can be enabled or disabled using menu function 4 2 2 SIMULATD ALM TEST When the Alarm Test Mode is activated the Model CM4 prints ALARM SIMULATION MODE STARTING Revision 9 02 08 CM4 Four Point Continuous Monitor When the simulation mode ends by user or time out the printer will print ALARM SIMULATION MODE ENDING The Optics Test card can be used to simulate a gas stain in this mode The simulated gas stain will drive all the enabled CM4 features as if an actual gas stain was detected on the curre
142. including e Serial number e Customer name and location e Date and time e All configuration information See Figure 6 6 for a typical printout The CM4 only prints the data Data is not displayed Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 6 PRINT CONFIGURATION 2 REVIEW MODE 6 PRINT CONFIG Use the Set Up Menu to change any configurable parameters shown on the printout see Section 7 CM4 Technical Manual 6 8 Honeywell The CM4 prints the system configuration information shown on the sample printout in Figure 6 6 6 8 Function 2 7 Instrument Serial Number Purpose Use the Instrument Serial Number function to display the CM4 serial number Being able to display the instrument serial number avoids the necessity of looking behind the instrument to retrieve the serial number when placing a call to Honeywell Analytics for information or service It is always a good idea to write the serial number and file it for future reference This information appears in TWA and other printouts Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 7 INSTRUMENT SERIAL NUMBER 2 REVIEW MODE 7 INST SER NUMBER The display shows the instrument serial number SERIAL 85 1 0000 Press RESET to return to the Review Menu For the CM4 P the letter P replaces the hyphen used in standard CM4 se
143. ing the current loop Full Scale values applies to the 4 20 mA current loop To select the 2 mA fault indication see Section 7 4 5 The display reads 20 mA 500 PPB The cursor flashes over the Full Scale FS value 10 Press CURSOR ARROW LEFT RIGHT and numeric keys to enter the desired full scale value 11 Press ENTER to accept the value and advance to the following display 1 GAS LEVELS 2 PT ID or Press RESET to select another point The display reads SELECT POINT The flashing status LED stops Press RESET again to display the print prompt PRINT 1 YES 0 NO 12 Repeat Steps 4 through 11 to set the gas type and alarm for the remaining three points 13 After programming the chosen points press ENTER to accept the values The display reads 1 GAS LEVELS 2 PT ID Press 2 to define the point identification see Section 7 3 2 CM4 Technical Manual 7 5 Honeywell 7 3 2 Defining the Point ID This feature permits changing the default point ID label to a more informative string The name will be displayed on the front panel display during monitor mode Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the S SET UP MENU choose the subfunction 2 POINT PARAMETERS 3 SET UP MODE 2 POINT PARAMETERS The display reads SELECT POINT 3 Usethe numeric keys to specify the point you wish to configure or press RESET to exit this function If printer output is enabled the display reads PRINT 1 YES 0
144. ing to monitor e An Instrument fault relay RY10 which indicates the CM4 is unable to monitor one or more points In addition the I O panel includes e Terminals for the current loop options which produce a 4 20 mA output signal in direct variation to the gas concentration at each point e Terminals for the remote reset option which permit resetting of faults and alarms for specific points 1 5 2 Power Connection Connect AC power to the CM4 at the rear panel The power switch is located above the power line connection 1 5 3 Optional Serial Output Install the optional DB9 nine pin serial data and printer connectors on the back panel 1 6 Alarms The CM4 has alarms that e Warn of Level 1 or Level 2 low or high concentrations of the monitored gas e Trigger relays to external devices Section 3 10 describes wiring Section 4 describes operation modes and basic operating procedures CM4 Technical Manual 1 7 Honeywell 1 6 1 General and Point Gas Alarms The factory default setting for the Level 1 alarm is the threshold limit value TLV of the monitored gas The default setting for the Level 2 alarm is two times the TLV Level 1 and 2 alarms can be factory set to 1 2 TLV and 1 TLV by specifying part number 1874 0330 You can also set individual alarm levels for each sample point Separate alarm levels for each point provide added protection in critical locations and allow you to customize the settings to meet the spe
145. ion on external sample line filters Replacement Honeywell Name of Filter Location Part Number Frequency Notes 5 ET Acid Scrubber Filter Under Chemcassette carrier 710235 6 Months Replace the filter if the filter media all or any part turns See Figure 9 6 blue or sample flowrate cannot be achieved m Particulate Filters Inside analyzer under Chemcassette carrier 780248 3 to 6 Months See Figure 9 6 Charcoal Freon Filters Inside analyzer under Chemcassette carrier CM4 P only See Figure 9 6 18170133 TM External Sample Line End of sample line T Particulate Filter if installed Gas specific See Section 3 7 and Appendix A Teflon Filter Housing End of sample line 1830 0055 Use filter membrane P N 0235 1072 100 per pack or sb 1 Month A Assembly if installed filter ass y replacement in filter housing CM4 Technical Manual Table 9 2 Filter Replacement Schedule 9 8 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 9 3 1 CM4 Internal Filter Replacement Procedure i m See Figure 9 6 Filter Assembly Type 1 iu 2 4 Vacuum Vacuum Filter Assembly Type 2 Chamfer Acid 2 Figure 9 7 Filter Block Orientation Figure 9 6 Filter Maintenance Eegen The following steps apply to all filters located within the CM4 Refer to these steps when performing maintenance on any filters i
146. ipped require replacement Define the number of days from 30 to 365 before filter replacement is required See Section 6 7 for information on displaying the system configuration which shows the amount of days Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 7 MAINTENANCE SET UP then 3 EXT FILTER TIME 3 SET UP MODE 7 MAINT SET UP 3 EXT FILTER TIME CM4 Technical Manual 7 17 Honeywell The display shows EXT FILTER 000 DAYS The cursor flashes over the first zero The default is 000 which indicates that the timer is disabled 3 If you want to e Disable the counter enter zeros for all three digits e Enable the counter use CURSOR ARROW LEFT RIGHT to move forward backward to the desired digit 4 Use the numeric keys to enter a value between 30 and 365 days 5 Press ENTER to save the selection The display returns automatically to the maintenance set up function Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 8 Service Menu CM4 Technical Manual 8 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 8 1 Introduction The Service Menu provides access to a variety of diagnostic tests and routine service procedures The Service Menu contains eight functions 4 SERVICE MENU 4 1 RELAY LED TEST 4 2 ALARM TEST 4 3 DIAGNOSTICS 4 4 RESET SYSTEM 4 5 LOAD Chemcassette 46 SET FLOW 4 7 MDA SERVICE 4
147. is procedure to detect leaking or severed e Point legend Section 3 6 4 tubing after events such as construction which may have affected the integrity of the tubing 3 6 1 Sample Line Requirements for Installation Follow the general requirements listed below when installing sample lines e Sample lines should not exceed 300 feet 90 m in length CM4 Technical Manual 3 9 Revision 9 02 08 CM4 Four Point Continuous Monitor 3 6 2 Tubing Connections To prepare for installation of sample lines remove the FEP Teflon tubing 3 16 inch I D x 1 4 inch O D from the Installation Kit The back of the unit includes five connections 4 Sample Inlet Point 4 5 Exhaust 1 Sample Inlet Point 1 2 Sample Inlet Point 2 3 Sample Inlet Point 3 NOTE Always perform a leak check after installing all sample lines See Appendix B gems lo Printer com LOW VOLTAGE Figure 3 7 Tubing Connections Legend Sample Inlet Point 1 4 Sample Inlet Point 4 Sample Inlet Point 2 5 Exhaust 3 Sample Inlet Point 3 3 6 3 Sample Line Inlet Connections Each inlet has a quick connect disconnect fitting with an internal O ring and an external grab ring To install a tube into a sample line inlet insert the tube far enough into the fitting to ensure that the tube has passed through both the external grab ring and the internal O ring and is firmly seated against the stop The inserti
148. k code is 90000 Instructions to enable disable keypad password protection 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 6 ACCESS SETUP then 1 EN DIS KBD LOCK 3 SET UP MODE 6 ACCESS SETUP EN DIS KBD LOCK The display reads SET KEYPAD LOCK Use the cursor keys to toggle between enabled and disabled 3 Press ENTER at the desired selection The display will read ENTER OLD CODE 9 CM4 Technical Manual 7 15 Honeywell It is not possible to set the key lock code unless the old code is known and entered Enter the old code and press ENTER The display reads ENTER NEW CODE 9 4 Enter the new code by moving the cursor across the five digits entering a new digit at each position NOTE The digits are not updated until the last digit is entered The display reads VERIFY CODE 9 5 Enter the new code again exactly as before NOTE You must enter the new number again to update the key lock code If the code is not duplicated the display reads MISMATCH UNCHANGED 6 Repeat steps 4 and 5 to enter and verify the new code If the code is successfully verified the display reads CODE CHANGED The CM4 returns automatically to the Set Up Menu after entering the code NOTE Once the key lock code is enabled the key lock code can be entered while in Monitor Mode and will lock out the keypad until the code is entered again See Section 4 7 for information
149. ked or obstructed Disconnect sample line if unable to flow balance RY10 On Internal tubing filter or valve clogged Change internal filters Section 9 6 kinked or obstructed Lock On Time Out Point lock on exceeded idle time for Disable points not desired Section 7 2 FAULT 28 remaining points RY10 Off Reprogram idle time out Section 7 6 5 Unable to Print Printer not connected Make sure printer is connected Printer not online Make sure printer is online MAINT 29 Printer out of paper Reload printer RY8 Off Data overload caused by letter quality Make certain the printer is set on draft quality mode selection on the printer a Print Overflow Print mode set to continuous Change printer format to draft mode MAINT Of Print mode set to letter quality RY8 31 Gas Table Error Invalid gas table stored in EEPROM Call Local Service Agent FAULT On RY10 CM4 Technical Manual Table B 1 CM4 Fault Listings cont d B 5 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Fault E Tr peii Peering Yellow No Description Possible Cause Corrective Action Activated Audio Status Alarm LEDs Tape ADV ERR Electrostatic discharge on circuit board Cycle power Off then On FAULT 0 bs Sensor problem Call Local Service Agent RY10 Opt Unstable PTx Ground noise in the installation Ensure proper grounding check all connections 33 Optics board set Check board conn
150. le non monitoring time If the idle time has expired and the unit is not in the Monitoring mode an instrument fault will be issued An idle time setting of 0 disables this option Command packet to instrument Command Code 0x5C 1 byte Idle Time 1 byte 0 disabled 1 45 mins Response packet from instrument Command Code 0x5C 1 byte CM4 Date 2 bytes CMA Time 2 bytes Status 1 byte 0x00 Value saved and verified 0x01 Value gt 45 Oxff 2 Not saved Revision 9 02 08 CM4 Four Point Continuous Monitor Set Date Format 0x5D This command changes the current date format on the display and printer outputs only It does not change the date format for communication Command packet to instrument Command Code 0x5D 1 byte Format Flag 1 byte bit 0 Date format 0 MM DD YY 1 DD MM YY Response packet from instrument Command Code 0x5D 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Format changed Oxff Error CM4 Technical Manual Honeywell Set Date and Time Ox5E This command allows you to configure the unit to a new time and date Use this feature to synchronize the time and date between the remote equipment and multiple CM4 monitors Command packet to instrument Command Code 0x5E 1 byte New Date 2 bytes New Time 2 bytes Response packet from instrument Command Code 0x5E 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Date a
151. ls Manually 5 5 7 3 Function 3 2 Point Parameters 7 3 5 4 2 Selecting Signal Levels Automatic Ramping 5 5 7 3 1 Select Gas Type Program Alarms and Set 5 4 3 Selecting Signal Levels Step 5 6 Current Loop Full Scale Values 7 3 5 5 Function 1 4 Tune Current MOOD 25er 5 6 7 3 2 Defining the Point D bains ainioto kai 7 5 6 Review Menu Functions 7 4 Function 3 3 Output Options Aea ITE TII IIS I IID 7 6 6 1 Introduction iiic icai assi 6 2 7 4 1 Optional COM Port 3 3 1 Josiana 7 6 6 2 Function 2 1 Alarm History 6 2 7 4 2 Optional Printer Port 3 3 2 7 7 6 23 Print Alarm HIStory oiiaii 6 2 7 4 3 Printer Format 3 3 3 sessss 7 8 6 2 2 Display Alarm History 6 3 7 4 4 Relay State 3 3 4 esses 7 9 6 3 Function 2 2 Fault History 6 4 7 4 5 2 mA Fault Operation 3 3 5 s 7 10 6 3 1 Print Fault History 1 6 4 7 4 6 Enable Disable Duty Cycle Option 3 3 6 7 10 6 3 2 Display Fault History 6 4 7 5 Function 3 4 Configuration 7 11 6 4 Function 2 3 Current TWA n 6 5 7 6 Function 3 5 Date amp Time 7 12 Bold Prim TAA iiec cae 6 5 7 6 2 Set Date amp Time 3 5 2 7 12 Bao Display TVA
152. luoride XP HF 500 ppb 1000 ppb 20 2000 ppb Low Level 30 99 ppb 100 199 ppb 200 399 ppb 400 2000 ppb 1 2 4 ppm 2 5 30 ppm 0 3 2 9 ppm 3 5 9 ppm 6 11 9 ppm 12 30 ppm 0 2 0 9 ppm 1 3 9 ppm 4 20 ppm 30 199 ppb 200 399 ppb 400 2000 ppb lt 50 sec Alarm 200 ppb with 400 ppb gas lt 15 sec lt 55 sec lt 30 sec Alarm 500 ppb with 1000 ppb gas 1874 9310 874510 874337 1874 9310 1874 9310 red gry brn red brn yel red blu brn red gry brn red gry brn Note Due to U S Government regulations this range may be subject to restrictions requiring special licensing for certain countries outside North America Contact HA for eligibility information Hydrogen lodide None iH Estab 0 2 ppm 0 1 ppm 3ppm 6ppm 0 1 25 ppm lished 0 2 1 4 ppm 1 5 25 ppm Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit CM4 Technical Manual C 6 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Initial Time to 1 TLV Default Default Analysis Alarm 2T Cheihbaeselte Chemcassette Gas Name Alarm Alarm Alarm Setting Concentration Label Period Part Number Level1 Level 2 seconds 10 Foot Sample Color Code Line 8 49 ppb 180 50 99 ppb 100 500 ppb 8 49 ppb Hydrogen Selenide XP 50 99 ppb i H Se 8 ppb 6 ppb 50 ppb 100 ppb 6 500
153. m reset system 10 2 1 How it Works The remote alarm reset option works similar to the reset button on the CM4 instrument However the remote option will allow resetting an alarm from individual points while the reset button on the CM4 unit resets all alarms from all points at once An additional advantage to the remote reset option is it can be located away from the CM4 unit In an alarm condition momentarily pressing 0 250 seconds minimum the remote reset button will reset the individual point s alarm This will also reset all fault indications on the instrument Revision 9 02 08 CM4 Four Point Continuous Monitor 10 2 2 Wiring Considerations A warnine Removal of the cover over the Input Output Module may expose hazardous voltages that are still present with power removed from the CM4 monitor Ensure all wiring installation is performed by qualified personnel following all national and local electrical codes NOTE Units equipped with LonWorks do not require an Input Output module A major consideration in any remote application is the reduction of electrical interferences such as RFI or other electrical noise Follow the guidelines below when choosing the wire and routing path for your remote reset switch location 1 External wires should be either shielded twisted pair or individually shielded wires and should be rated at 600V for isolation The remote alarm reset contacts draw approximately 25 mA pt 100 mA for all
154. mary integer CSI for point 1 CM4 Technical Manual E 8 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell bits 2 3 CSI for point 2 0x10 low Chemcassette tape bits 4 5 CSI for point 3 0x20 Maint Relay bits 6 7 CSI for point 4 0x40 Instr Fault Relay The CSI expresses the concentration relative to the alarm levels according to the following enumeration 0 0 0 concentration 1 0 0 lt concentration lt AL1 2 AL1 lt concentration lt AL2 3 AL2 lt concentration Chemcassette windows remaining 2 bytes Chemcassette days remaining 2 bytes Internal Filter 2 bytes days in use External Filter 2 bytes days in use Flow Rate Point 1 2 bytes cc Min Flow Rate Point 2 2 bytes Flow Rate Point 3 2 bytes Flow Rate Point 4 2 bytes Optics Cal Status 1 byte bit 0 Optics have been calibrated 0 Not Tested 1 Tested bits 1 4 Optics test results 0x01 Passed optics 1 0x02 Passed optics 2 0x04 Passed optics 3 0x08 Passed optics 4 bits 5 7 Undefined Maintenance Status 0x01 low flow point 1 0x02 low flow point 2 0x04 low flow point 3 0x08 low flow point 4 CM4 Technical Manual E 9 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Get Idle Time 0x32 Get Maintenance Dates 0x34 This command inquires about how long the unit can be left out of This command queries the maintenance items analysis before setting an Instrument Fault Idle time is used to notif
155. mation The printer port is always unidirectional The communications port is always bidirectional The serial communications ports are connected to the remote device s with 9 pin DB9 plugs and cables Sections 7 4 1 and 7 4 2 provide information on selecting the communications ports For more detailed information on serial communications request Technical Note T N 1998 00820or Appendix E Serial Communications Protocol CM4 Technical Manual 10 2 Honeywell 10 1 2 Printers Up to nine CM4 monitors can send data to a single serial printer in a summary format There are two printer options available one for desktop and one for rack mount applications For complete instructions on the printer options refer to Appendix D Printer Options 10 2 Remote Alarm Reset Option The remote alarm reset option provides the ability to reset the CM4 alarm conditions for any individual point from a remote location There are two ways to connect the remote reset circuit Using an external 24V DC power supply e Using the CM4 unit s internal 24V DC system The remote alarm reset option is factory programmed with the purchase of the CM4 monitor The factory programmed setting must be performed by an authorized Honeywell field service engineer External wiring power supply and switches are user supplied items The following information will describe the two types of alarm reset circuits wiring and recommendations for installing an alar
156. me Purpose Last power down information which the CM4 prints and displays includes e Instrument serial number e Current date and time e Date and time power was interrupted e Date and time power was restored 6 5 1 Print Last Power Down See Figure 6 5 for an example of a typical last power down function printout Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 4 LAST POWER DOWN 2 REVIEW MODE 4 LAST POWER DOWN The display reads 1 DISPLAY 2 PRINT 3 Press 2 to send the information to the printer CM4 851 0000 08 26 05 10 22 POWER INTERRUPTED 05 26 05 10 15 POWER RESTORED 06 01 05 07 30 Figure 6 5 Typical Last Power Down Printout The CM4 also prints this information when power is restored after a power loss Revision 9 02 08 CM4 Four Point Continuous Monitor 6 5 2 Display Last Power Down Purpose The display last power down function displays the same information for the last power down as is sent to the printer described in the previous section Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 4 LAST POWER DOWN 2 REVIEW MODE 4 LAST POWER DOWN The display reads 1 DISPLAY 2 2PRINT 3 Press 1 to display the last power down information PWRDN 05 26 05 10 15 PWRUP 06 01 05 07 30 The display alternates the power down power up messages until RESET is pressed
157. me way as packet 36 If no unread entries exist in the history the response packet will contain zeros in the alarm date field Command packet to slave Command Code 0x47 1 byte Response packet from slave Command Code 0x47 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Alarm Date 2 bytes Alarm Time 2 bytes Gas abbreviation 6 bytes not null terminat d Point number 1 byte bits 0 1 point number bits 2 7 undefined Concentration 4 bytes in IEEE floating point format Alarm Level 1 byte bit 0 alarm level 0 level 1 1 level 2 bits 1 7 undefined CM4 Technical Manual E 17 Honeywell E 4 Configuration and Directive Commands These are the commands and responses that the CM4 system will support for remote control and configuration Set K Factor 0x50 This command configures the manual K Factor for a specific point An individual point is given a K Factor times 1000 The K Factor is used to change the sensitivity of a point in the range of 0 200 5 000 Command packet to instrument Command Code 0x50 1 byte Point 4 1 byte bit 0 1 Point to set K Factor 00 Point 1 01 Point 2 10 Point 3 11 Point 4 bits 2 7 Undefined K Factor x 1000 value 2 bytes 200 5000 Response packet from instrument Command Code 0x50 1 byte CM4 Date 2 bytes CMA Time 2 bytes Status 1 byte 0x00 Point configured and verified 0x01 Factor 0 200 0x02 Factor gt 5 000 Oxff 2 Save problem
158. n and the second with the computer within the daisy chain The impedance termination resistors on all interfaces Figure E 6 CM4 RS 485 Interface Board between the first and last units are removed Impedance Resistor Location Refer to the computer interface manual CM4 Impedance Resistor to configure the Impedance Resistor See Figure E 6 Computer B TX IRX A TX RX Ground Address 000 CM4 Impedance Resistor CM4 Impedance Resistor See Figure E 6 See Figure E 6 CM4 Computer 2 B TX RX 3 A TX RX 7 Ground Address Address Address Address 000 001 002 Last Figure E 5 Configuration showing Computer in the middle of a Daisy Chain The CM4 unit s impedance termination resistor is located on the RS 485 interface as shown below The resistor plugs into sockets on the interface board for easy removal or insertion there is no soldering required CM4 Technical Manual E 33 Revision 9 02 08 CM4 Four Point Continuous Monitor E 8 Glossary The following terms are used in this manual Byte A byte is a collection of 8 bits or pieces of information used in the communication process A byte refers to these 8 bits as a single entity Each bit has a value of either O or 1 Communication The act or process of passing digital information between two points Data Information that is transferred between the equipment and the CM4 monitor Data refers to the information contained within a packet see Packet
159. n between For customer supplied cables refer to the EMC Considerations section CM4 Monitors and Printer Share Box on page D 2 P N 1991 0027 25 pin to 25 pin 6 ft qty 1 for connection between P N 874012 Desktop or P N 1874 0005 Rack Mount the Printer Share Box and Printer Printer For applications requiring a 50 ft cable between the CM4 monitor These are us VAC printers Other voltages for pit cee mouii and the Printer Share Box order cables separately P N 1874 0031 only are available as MVIP 9 pin to 25 pin 50 ft Notes 1 Maximum range 50 Ft The Desktop Printer includes a 10 ft interface cable for connection 2 For Rack Mount Printer set the printer switch to RS 232 between the Printer Share Box and the Desktop Printer Figure D 3 Serial Interface Single CM4 Single Printer For customer supplied cables refer to the EMC Considerations section on page D 2 CM4 Technical Manual D 5 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Printer P N 1874 0006 100 VAC or The Printer Share Boxes listed on this page include the following Share Box P N 1874 0007 120 VAC or cables P N 1874 0008 230 VAC P N 1874 0037 9 pin to 25 pin 10 ft quantity 9 for connection between NOTE CM4 monitiors and Printer Share Box Newer racks P N 1874 0050 and 1874 0051 transform the P N 1991 0027 25 pin to 25 pin 6 ft quantity 1 for connection between customer su
160. n error with the data The slave s data contained within the packet is interpreted in a somewhat different manner than our example The data is composed of two sections a command and one or more parameters The command indicates what type of information is being transmitted in the packet The parameters contain specific arguments or data values to be interpreted Parameters for most CM4 instrument s packet require at least four bytes for the Date and Time stamps This information is important to provide a date and time reference for each communication CM4 Technical Manual E 4 Honeywell from the instrument You should ensure that the date and time have been set accurately in each CM4 monitor Every packet sent by the CM4 instrument also contains an address a length a command and its associated parameters and a checksum The CM4 instrument assumes that the master s address is O zero You assign a unique address to each slave which communicates with the master ACK NAK Handshake Each slave CM4 uses a handshake scheme between itself and the master The simplest response back from the instrument is called an ACK an abbreviation for ACKnowledge When the slave receives a command packet from the equipment it will send back an ACK response if the command is received but no additional data has been requested in the command If however the checksum does not match the slave will send a NAK an abbreviation for Negative AcKnowled
161. n the 1 Filter block 4 Particulate Filters system 2 Filter block handle 5 Acid scrubbing filter lt a i 1 Open the tape load lever to the servicing position 3 Gray ring 2 On older model CM4 s release carrier retaining clip by pressing toward rear of unit 3 Remove the Chemcassette carrier by placing your fingers under it palms up and lifting straight up See Figure 9 1 for proper procedure NOTE To avoid carrier torque and damage do not tilt the carrier Contact Honeywell Analytics if you are unable to remove the carrier The Model CM4 will use one of the filter blocks shown in Figure 9 7 Note the positions of the filters for your type of filter block The filter block is keyed to fit only one way into the instrument CM4 Technical Manual 9 9 Revision 9 02 08 CM4 Four Point Continuous Monitor 4 Grasp the filter block handle 2 and pull out 5 The filters are attached with a quick disconnect connector Remove the filter by pressing the gray ring 3 against the fitting and sliding the filter out of the fitting 6 Install the new filters by fully inserting the fittings Filters have an arrow on the filter body indicating the direction of flow The arrows should point toward the filter block Be sure to orient the filters correctly 7 Reinstall the filter block 1 8 Reinstall the Chemcassette carrier and close the tape load lever 9 3 2 Sample Line Particulate Filter Sample line
162. nd time configured and verified 0x01 Month bad 0x02 Day bad 0x04 Year bad 0x10 Hour bad 0x20 Minutes bad 0x40 Seconds bad Oxff Save problem E 23 Revision 9 02 08 CM4 Four Point Continuous Monitor Set Relay State 0x5F This command allows you to configure the relay states The relays are normally de energized and can be configured to operate in the energized fail safe condition When the relays are latched they are cleared by operator intervention Non latching relays are cleared automatically once the concentration decreases below the alarm level threshold or the fault is corrected without operator intervention Command packet to instrument Command Code 0x5F 1 byte Relay Flags 1 byte bit 0 Relay state 0 De energized 1 Energized bit 1 Relay latching state 0 Non latching 1 Latching bits 2 7 Undefined Response packet from instrument Command Code 0x5F 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 relays state set Oxff Error relays state not changed CM4 Technical Manual E 24 Honeywell End Point Lock on 0x60 This command unlocks the unit from a single point lock on to all other points that are enabled When this command is issued a new TWA start for all points Command packet to instrument Command Code 0x60 1 byte Response packet from instrument Command Code 0x60 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte
163. nding each pair plus foil and 90 braid shielding around the bundle While this yields the best results it can be very expensive In addition ensure local electrical code requirements are met Cabling Type The following cable parameters must be considered Braid Must have minimum 90 coverage Foil When used with braid provides 100 coverage NOTE Do not use foil alone it has a tendency to break CM4 Technical Manual Honeywell Twisted Pair Provides for cancelling of magnetic fields Stranded Pair Provides the greatest surface area MDA Scientific product testing uses gt 90 braid with foil around the bundle twisted pair stranded 24 AWG minimum wiring for all qualification and certification testing Examples Belden 83652 2 conductor Belden 83653 3 conductor Belden 83654 4 conductor Belden 83656 6 conductor All examples are 18 AWG stranded with 100 shield coverage Continuation of the shield to the cabinet earth ground is most important Shield Termination For discrete wire terminations pigtails to the cabinet connector ground should be extremely short absolutely no greater than three inches For multiconductor connector terminations only 360 shielded shells should be used Connectors All qualification and certification of MDA Scientific products were achieved with high quality connectors providing 360 shield coverage These connectors generally had metal shells Failure to prope
164. neywell CM4 Technical Manual 4 11 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell CM4 Technical Manual 4 12 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 5 Calibration Mode Functions CM4 Technical Manual 5 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 5 1 Introduction Use the Calibration Mode to e Perform tests e Make adjustments to Chemcassette Analyzer calibration The Calibration Mode offers four functions 1 CALIBRATION MODE 1 1 OPTICS VERIFY 1 2 MANUAL K FACTOR 1 3 CAL CURRENT LOOP 1 4 TUNE CURRENT LOOP The following is an overview of each of the four functions The following sections describe each of these options in detail e 1 1 OPTICS VERIFY verifies proper operation of the Chemcassette optics system see Section 5 2 e 1 2 MANUAL K FACTOR permits entry of a new K factor for each particular point see Section 5 3 e 1 3 CALIBRATE CURRENT LOOP controls the optional external analog output for testing and installation see Section 5 4 e 1 4 TUNE CURRENT LOOP controls the adjustment of the CM4 monitor s output level see Section 5 5 CM4 Technical Manual 5 2 Honeywell 5 2 Function 1 1 Optics Verify CM4 OPTICS TEST CARD INSTRUCTIONS FOR OPTICS VERIFICATION PROCEDURE ENTER CALIBRATION MODE 1 1 OPTICS VERIFY SEE MANUAL FOR DETAILS STAIN 1 SAO O Honeywell Figure 5 2 Verification Card INSERT P
165. neywell Time to 1 TLV Alarm 2T Chemcassette Chemcassette Concentration Part Number Label 10 Foot Sample Color Code Line Initial Analysis Period seconds Alarm Setting Ammonia Il 25 ppm NH 50 ppm Ammonia XP NH XP c Ames 3 49 9 ppm 10 50 75 ppm E 10 sec 874342 red yel It blu 25 ppm 1 5ppm 1 5ppm 25ppm 50ppm 1 5 150 ppm pee n 1874 9309 red It grn It blu pe 50ppb 5ppb Sppb 50ppb 100ppb 5 500 ppb 200 Pee 874300 red gry wht 3 50 ppb 5 ppb 50 ppb 100 ppb 5 500 ppb 7 99 ppb 100 199 ppb 200 500 ppb 874300 red gry wht al 50ppb 3ppb 25ppb 50ppb 100ppb 2 5 500 ppb SUBE 1874 9300 red gry blu 3 Arsine XP AsH Low Level Boron Trifluoride 1 ppm BF Low Level ceiling Boron Trifluoride XP 3 50ppb O 5ppb O3ppb 20ppb 4 0 ppb 0 3 25 ppb 120ppb 100ppb 250ppb 500ppb 100 1500 ppb 750 1500 ppb 0 5 1 9 ppb 2 4 9 ppb 5 9 9 ppb 10 25 ppb 1874 9300 red gry blu 874337 red blu brn 1874 9310 red gry brn 120 249 ppb 250 499 ppb 500 749 ppb 0 1 0 4 ppm 0 5 0 9 ppm 1 10 ppm Table C 1 Chemcassette Detectable Gases Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit CM4 Technical Manual C 2 Revision 9 02 08 Gas Name CM4 Four Point Continuous Monitor Default Alarm Level 2 Default Alarm Level 1 Alarm Setting Initial Analysis P
166. ng high temperature to crack those gases into Chemcassette detectable gases Current CM4 P detectable gases are Nitrogen Trifluoride NF Methyl Fluoride CH F The Model CM4 P is not designed to accept other calibrations and cannot be converted Revision 9 02 08 CM4 Four Point Continuous Monitor Detection is accomplished by routing the sample from each of its four points through a high temperature device pyrolyzer For example at high temperature NF is converted to Hydrogen Fluoride HF which can be detected with a standard Mineral Acids Chemcassette tape The correlation algorithm between HF and NF is programmed into the CM4 P so the instrument s display and printouts read directly in ppm of NF 1 4 Displays and Controls See Figure 1 2 The displays and controls clustered on the front panel of the CM4 include Display Power LED Status and Alarm LEDs Flow Control Keypad 1 4 1 Display The CM4 uses a 1 line 20 character display The CM4 display includes information about concentration and instrument faults and provides menus for CM4 programming For more information on the display panel see Section 2 1 4 2 Status and Alarm LEDs Status LEDs light green when the CM4 is monitoring the point There is one LED for each point Light green normal operation Flash green point lock on or display lock on at that point Light yellow instrument fault on that point Turn black not monitoring that poin
167. nse packet from instrument Command Code 0x55 1 byte CM4 Date 2 bytes CMA Time 2 bytes Status 1 byte 0x00 Request Executed Oxff Error Revision 9 02 08 CM4 Four Point Continuous Monitor Program Chemcassette Counter 0x56 This command enables disables the Chemcassette counter When enabled the system will provide a fault when there is approximately 24 hours of Chemcassette remaining Command packet to instrument Command Code 0x56 1 byte Enable disable 1 byte bit 0 Enable disable the Chemcassette counter 0 Disable 1 Enable bits 1 7 Undefined Hesponse packet from instrument Command Code 0x56 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Return Status 1 byte 0x00 Counter is enable disable 0x01 No windows left 0x02 Maintenance status exists Low Chemcassette Oxff 2 Error in programming counter CM4 Technical Manual E 20 Honeywell Set Printer Configuration 0x57 This command configures the printer for output Command packet to instrument Command Code 0x57 1 byte Setup Status 1 byte bit 0 Printer port enable disable bits 1 2 Printer Report format 00 Continuous prints all conc for each pt 01 Summary prints alarms faults and TWA only 10 Compressed prints conc gt LDL 11 Invalid bits 3 5 Printer baud rate 000 1200 001 2400 010 4800 011 9600 100 19200 bit 6 printer hardware handshaking flow control 0 Disabled 1 Ena
168. nt Chemcassette window In this mode the Model CM4 will not recognize or report e Gate Open Fault e Low Flow Fault e High Background Fault e End of Chemcassette Fault While the mode is active the fifth line of the front panel display will show ALM SIM MODE XXX SEC where xxx is the number of seconds before the mode resets Instructions Follow these steps to simulate an alarm 1 Exit the Monitor Mode 2 Enable the Alarm Test Mode in menu entry 4 2 2 Press ENTER 3 Open the gate and place the Optics Test Card Stain 1 in the optics block Close the gate 4 Press MONITOR Wait until the fifth line on the display shows 5 Open the gate and place the Optics Test Card Stain 2 in the optics block Close the gate CM4 Technical Manual 8 4 Honeywell The Model CM4 will produce full scale alarms on all four points initially Wait for the concentration to decay Typically this takes about two minutes 6 Press RESET to reset any alarms 7 Reinstall the proper Chemcassette when testing is complete The simulated alarm test mode remains active until e Power is cycled e 15 minutes elapse in this mode e The mode is canceled via menu selection 4 2 2 The Alarm Simulation Mode is documented on printouts and in the Model CM4 s Alarm History The serial printer output shows the start and end of the alarm simulation Also the abbreviation SIM is printed on alarm reports to indicate the Model CM4 was in
169. nted CM4 monitor communicating directly to a rack mounted printer The printer serial interface option is factory installed Note that all CM4 monitors require a serial printer interface option to operate any printer This addendum can serve as a checklist to ensure the printer options are correctly installed cabled and enabled The following is a description of each of the serial printer options available for the CM4 monitor D 1 1 RS 232C P N 1874 0323 1874 0324 or 874021 R This serial communications interface provides unidirectional RS 232C communications from the CM4 monitor to the printer or share box A communications cable is connected to the printer port located on the rear panel of the CM4 monitor The RS 232C interface has a maximum range of 50 feet using high quality shielded cable D 1 2 RS 422 P N 874023 R This serial communications interface provides unidirectional RS 422 communications from one CM4 monitor to an RS 422 printer or computer A communications cable is connected to the printer port located on the rear panel of the CM4 monitor The RS 422 interface has a maximum range of two kilometers using high quality shielded cable CM4 Technical Manual D 2 Honeywell D 1 3 Desktop Printer P N 874012 The desktop printer has a pre installed RS 232C adapter for serial interface Also included with the option is the adapter cable 25 pin to 9 pin necessary to connect the printer to the CM4 monitor and th
170. ntil the unit has gone into the Monitor Mode CM4 Technical Manual D 7 Honeywell 2 Press PROGRAM to exit Monitor Mode 3 From the 3 SET UP MODE choose the subfunction 3 OUTPUT OPTIONS then select 2 PRINTER PORT 3 SET UP MODE 3 OUTPUT OPTIONS 2 PRINTER PORT The display momentarily reads SET PRINTER PORT The display then shows 4 Press CURSOR ARROW LEFT RIGHT to toggle between enabling and disabling the printer COM2 port Select ENABLE and press ENTER The display reads PRINTER 9600 BD 5 You will now check the baud rate Press CURSOR ARROW LEFT RIGHT to advance the display through 1200 2400 4800 9600 and 19200 baud 6 When the display shows 9600 baud rate press ENTER The display shows BAUD RATE UPDATED 7 You will now enable the handshake The handshake when enabled is used to indicate a printer time out fault on the maintenance relay The display reads HW HANDSHAKE ENABLE Revision 9 02 08 CM4 Four Point Continuous Monitor Press CURSOR ARROW LEFT RIGHT to toggle between ENABLE and DISABLE When the display shows ENABLE press ENTER The display will momentarily show NOTE HW Handshake is not used for RS 422 operation No printer time out is issued If you are using RS 422 option P N 874023 R choose DISABLE and then press ENTER The display then returns to the output options function Press reset to return to the instrument Set up Menu For multiple instrument
171. ntrol panel consists of e The control panel display keypad and LEDs Section 2 2 e Display 1 e Relays Section 2 3 e Status and alarm LEDs and point ID Labels 2 e Sample flow controls Section 2 4 e Keypad 3 NOTE e Power LED indicator 4 On newer style CM4 S N XXX 5000 and greater and all CM4 P 1 4 models the flow controls item 6 are located on the lower left of the front panel An air filter item 10 is located on the lower right Honeywell Figure 2 2 Control Panel Legend 1 Display 3 Keypad 2 Status LED and point ID labels 4 Power Lock LED 2 2 1 Display Table Mount E man MOU The display is a 1 line by 20 character vacuum fluorescent display Figure 2 1 CM4 Components and Controls that shows program and operation information Legend In the Monitor Mode if no gas concentration is detected and in the 1 Tape load lever 6 Flow controls Idle Mode the display brightness is reduced to 60 of full brightness 2 20 character display 7 Keypad This feature extends the life of the vacuum fluorescent display 3 Alarm relays 8 Filter block 4 Detectors and electronics 9 Carrier 5 Status and alarm LEDs 10 Air filter CM4 Technical Manual 2 2 Revision 9 02 08 CM4 Four Point Continuous Monitor 2 2 2 LEDs and Point ID Labels Each of the four detection points includes two LEDs e Point status LED e Point alarm LED Point
172. nual 3 15 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 4 Basic Operation CM4 Technical Manual 4 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 4 1 Introduction This section describes e Monitor Mode Section 4 2 e Program Mode Section 4 3 e Alarms and Faults Section 4 4 e Accessing Programming Functions Section 4 5 e CM4 Menu Structure Section 4 6 e Keypad Locking Feature Section 4 7 If you are not working with a CM4 as you read these sections refer to the illustrations in Section 2 4 2 Monitor Mode Monitor Mode is the CM4 s standard operation state After the instrument is powered the pump turns on and the instrument takes initial zero readings and turns on the sample flow valve The instrument e Continuously monitors gas concentrations at all four points connected to the CM4 e Measures and calculates gas concentrations every second for each of the four points Response time is determined by the gas type and the alarm level setting The display shows the first reading PT1 OPPB AsH The display continues to show the concentration monitored at each point for a user specified number of seconds with a four second default PT2 OPPB AsH3 PT3 OPPB AsH3 CM4 Technical Manual 4 2 Honeywell PT2 0PPB AsH3 A fifth status line will be displayed if applicable The concentration information for each point may be sent to three optional outputs e solate
173. ny time the system is reset to factory defaults Function 4 4 RESET SYSTEM this procedure will need to be redone since the low and high limit values will be reset to factory default values 8 10 Function 4 9 Reboot A reboot function has been added to allow rebooting without cycling Model CM4 power Figure 8 5 shows the prompts displayed Display Function 9 REBOOT Reboot ENTER CODE 9XXXX Appears only if menu password is enabled via Section 3 6 2 SAVE CONFIG 1 Y 0 NO Offer to backup configuration Confirms that a backup was performed Also a line will be printed CONFIGURATION SAVED INTERNALLY CONF SAVED INTERNALLY genet RESTARTING vacuum level is produced by pump capacity and the limiting ie CM4 Reboot display orifice used in each point Adding four 300 foot sample lines increases the total vacuum level changing the count value Figure 8 5 Reboot Function Prompts approximately 15 counts or 1 2 inch HG 12 torr NOTE Setting the limits to 0 will disable the fault being issued CM4 Technical Manual 8 13 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 9 Maintenance CM4 Technical Manual 9 1 Revision 9 02 08 CM4 Four Point Continuous Monitor 9 1 Introduction The Maintenance Section includes e Chemcassette Maintenance covers the Chemcassette Chemcassette carrier optics verification and flowrate check Section 9 2 Filter maintenance cover
174. of gas varies from zero to a user programmable full scale concentration The gas concentration for 20 mA full scale defaults to the full scale of the gas but can be configured lower Furthermore the CM4 can be configured lower to reduce these output currents to 2 mA if certain faults occur These outputs will drop to zero mA after a power failure The current loop connection points are located on the I O Panel The impedance range of the analog output is 100 800 ohms All wiring should follow the wiring guidelines described in Wiring Guidelines Section 3 10 3 NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC CAUTION 1 2 3 4 1 2 3 4 REPLACE FUSES WITH SAME RY1 RY3 RYS RY11 RY13 RY14 TYPE AND RATING SPECIFIED I LEVEL 1 POINT ALARMS LEVEL 2 POINT ALARMS REMOTE INPUTS n pi o e S S fa A REFER TO USER MANUAL WARNING FUSES BELOW FLAPS 2A 125 VAC MAX CONTACT RATING Q 20 EXTERNALLY APPLIED VOLTAGES MAY BE PRESENT AT ALARM TERMINAL BLOCK WITH Pes t C INSTRUMENT DISCONNECTED DISCONNECT AT SOURCE PRIOR TO SERVICING eor ui Ta19 e ao s S GENERAL ALARMS INSTRUMENT STATUS EE 5e 9 S LEVEL 1 LEVEL 2 IMAINTENANCE FAULT WATCH DOG PT 1 PT 2 PT 3 PT 4 RY2 RY4 RY6 RY8 RY10 RY12 T8 L NC C NO NC C NO NC C NO NC C NO NC C NO NC C NO TB TB
175. ol Command Definition E 3 1 Status and Query Commands These commands indicate the function and expected response format for each command Command numbers are in hexadecimal If a specific response is required the response packet will have the same command code as the command packet sent to the slave If no specific response packet is specified a general ACK response is sent to acknowledge the command NOP 0x28 This is used to test for communication between the master and the specified slave Command packet to instrument Command Code 0x28 1 byte Get System Information 0x30 This packet requests information about the slave system only and the software version currently in use Command packet to instrument Command Code 0x30 1 byte Response packet from instrument Command Code 0x30 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Serial 2 bytes product code 851 is assumed Software Rev Major 1 byte Minor 1 byte CM4 Technical Manual E 7 Honeywell VIP 2 bytes OxFFFF as default Prom Check Sums MSB PROM 2 bytes LSB PROM 2 bytes Status 1 byte 0x00 Read verified Oxff Error in reading Software Rev Examples Major Minor VIP 01 07 FFFF Rev 1 07 03 0C FFFF Rev 3 12 03 0C 0066 Rev 3 12 102 04 12 017A Rev 4 18 378 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Get Unit Status 0x31 01 Point 2 This command requests the current condition or statu
176. on LM m CM4 Technical Manual 3 10 Honeywell depth for a correctly installed sampling line is 1 2 inch to 5 8 inch 12 16 mm Verify the insertion depth by holding the tube and marking with your thumb where it emerges from the fitting Remove the tube to measure the insertion depth CAUTION Improper installation of the tube into the connector results in dilution of the sample 3 6 4 Point Legend Z STATUS ALARM 0 LOCATION Figure 3 9 Point Legend To keep track of the location corresponding to each point the CM4 front panel contains an area to the right of the status and alarm LEDs for point identification Write the name of each location on the area next to the point alarm LED on the control panel Use a fiber tipped permanent marker Revision 9 02 08 CM4 Four Point Continuous Monitor 3 7 Installing Sample Line Particulate Filters See Appendix A to determine if you can use sample line filters with your target gas Attach a sample line filter to the sampling end of the line only if you have determined that environmental dust or moisture is a concern at the sampling location A CAUTION When attempting to use a sample line particulate filter keep in mind that excess amounts of dirt in the filters reduce the sample flow and may affect concentration readings of the analyzer See Appendix A to determine which filter to use with your target gas 3 8 Installing Pump Exhaust Line This section des
177. on filters arrow points away from the removable filter block e Particulate filters arrow points toward the removable filter block CM4 Technical Manual 9 10 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Observe the following caution notice when performing maintenance 9 4 1 AC Line Fuse and cleaning the filter block This caution notice also applies to cleaning the optics block A CAUTION Do not use compressed air sources containing CFCs chlorofluorocarbons The CFCs may enter the pyrolyzer and be converted to HF HCI when monitoring resumes Also do not permit the compressed air nozzle to come in direct contact with the instrument Pressurizing the flow path could cause damage to the Model CM4 P AC fais SIDE Ue Air Filter Fuse Cap A CAUTION Figure 9 9 AC Fuse Cap Failure to maintain the air filter will result in eventual F19 OVERTEMP The CM4 is protected with a fuse located on the rear panel beneath faults and loss of monitoring the power cord Model CM4 P has an air filter located on the lower right of the front panel located where the flow control valves are on the standard Model To gpiace Wig AG lin Iuse CM4 This filter should be removed and cleaned rinse with clean water 1 Unplug the power cord and dry thoroughly every 30 days 2 With a slotted screwdriver carefully pry the fuse cap outward 9 4 Fuse Replacement This section describes the AC line fuse Table 9
178. oncentration on all enabled points However the CM4 can also be configured to display only one point while continuing to monitor all points Press 1 2 3 or 4 during Monitor Mode to select the specific point The CMA displays only the concentration for the selected point The display will not return to normal unless you press O0 or exit and reenter Monitor Mode 4 2 5 Alarm History During Monitor Use the alarm history function to print and display up to a maximum of 16 gas alarms with the most recent alarm shown first Print Alarm History If the CM4 is equipped with a printer see Figure 4 1 for an example of a typical printout The printout of the alarm history shows the most recent alarm first for up to 16 total alarms To print and display the alarm history press ENTER followed by the point desired 1 2 3 or 4 The alarm history is printed if installed and displayed showing the most recent alarm first The display will scroll through each alarm Use the cursor keys to advance through each alarm The CM4 sends the alarm history of the selected point to the printer The printout shows e Instrument serial number e Current date and time e Customer name and location e Point number e Alarm date and time e Concentration in ppb or ppm e Alarm level 1 or 2 CM4 Technical Manual 4 4 Honeywell 02 29 00 14 23 CM4 851 0006 ALM HISTORY ALL POINTS ABC MANUFACTURING CO KANSAS CITY MO PT1 CM4 851 0006 02 29
179. ontinuous 01 Summary 10 Compressed 11 Invalid bits 3 5 Printer baud rate 000 1200 001 2400 010 4800 011 9600 CM4 Technical Manual E 13 Honeywell 100 19200 bit 6 Printer hardware handshaking flow control 0 Disabled 1 Enabled bit 7 Undefined Get Gas Table Data 0x3C This command allows you to view individual gas tables that are contained within the system Command packet to instrument Command Code 0x3C 1 byte Gas to table to retrieve 1 byte 0 255 Response packet from instrument Command Code 0x3C 1 byte CM4 Date 2 bytes CM4 Time 2 bytes filled with zeroes if error MDA Gas Abbr 6 bytes not null terminated Full Scale 2 bytes TLV 2 bytes LAL 2 bytes LDL 2 bytes Format Code 1 byte Revision 1 byte 1 255 always filled Status 0x00 Read OK 0x01 Invalid Gas index Oxff Bad read Revision 9 02 08 CM4 Four Point Continuous Monitor Get Fault History Ox3D This command will query the unit for the latest fault s There can be as many as four and as few as zero faults General system faults are indicated by bit O of the point status byte If bit O is set to 1 bits 1 2 should be ignored The point status byte is invalid for Fault 17 Voltage Fail and Fault 18 Relay Fail Command packet to instrument Command Code 0x3D 1 byte Response packet from instrument Command Code 0x3D 1 byte CM4 Date 2 bytes CM4 Time 2 bytes of
180. ood immunity to magnetic pickup in RS 422 Twisted pair 5 485 data lines D 4 Stranded wire Provides the greatest surface area MDA Scientific product testing uses gt 90 braid with foil around the bundle twisted pair stranded 24 AWG minimum wiring for all qualification and certification testing Examples Belden 83652 2 conductor Belden 83653 3 conductor Belden 83654 4 conductor Belden 83656 6 conductor All examples are 18 AWG stranded with 100 shield coverage Only one end of the shield is to be connected to earth ground This connection is to be made at the Model CM4 Continuation of this shield to the earth ground is very important Stranded Pair Shield For discrete wire terminations pigtails to the cabinet Termination connector ground should be extremely short absolutely no greater than three inches For multiconductor connector terminations only 360 shielded shells should be used Connectors All qualification and certification of MDA Scientific products were achieved with high quality connectors providing 360 shield coverage These connectors generally had metal shells Failure to properly secure the connector to the equipment will result in high emission levels Also poorly constructed or improperly assembled connectors can be a high source of radiated noise and provide a path for external signals into the instrument Revision 9 02 08 CM4 Four Point Continuous Monitor D 3 2
181. particulate filters prevent dust from entering through the sample line Particulate filters are not recommended for all applications See Appendix A for compatibility information Replace the sample filter every three to twelve months Remove the old filter from the end of the sample line and attach a new filter Install the filter so the arrow on the side of the filter points toward the CM4 tubing 9 3 3 CM4 P Filter Maintenance CAUTION The pyrolyzer operates at a very high temperature Before performing any service on the instrument always wait 30 minutes after switching off power to allow the pyrolyzer to cool The filter block in the Model CM4 P is physically larger than the block in the standard Model CM4 See Figure 9 8 Removing the filter block is the same as described in Section 9 3 1 Internal Filter Replacement Honeywell N amp e E 3 w a E i 6L10 4281 N d illi id Figure 9 8 CM4 P Filter Block There are nine filters in the CM4 P filter block four charcoal for Freon removal four particulate and one acid scrubber The acid scrubber and particulate filters are identical to the standard Model CM4 The charcoal filters have a part number unique to the CM4 P P N 1874 0139 These filters are not interchangeable with other charcoal filters for removing Freon such as those used on System 16 Note the flow direction arrow when replacing the charcoal and particulate filters e Fre
182. ppb 100 500 ppb lt 100 sec 1874 9300 red gry blu 1 9 9 ppm 10 19 9 ppm Hydrogen Sulfide 1 ppm 0 5ppm 10ppm 20ppm 0 5 100 ppm 20 39 9 ppm 10 sec 874304 red It grn blu HS 40 100 ppm Hydrogen Selenide H Se 20 6 500 ppb lt 35 sec 874300 red gry wht Hydrogen Sulfide H S 2 ppm 1 ppm 10 ppm 20ppm 1 50 ppm lt 10sec 874300 red gry wht Hydrides 10 99 ppb Hydrogen Sulfide 100 499 ppb H S 10 ppb 8 ppb 500 ppb 1000 ppb 8 2000 ppb 500 999 ppb lt 30 sec 874304 red It grn blu Low Level 1000 2000 ppb Hydrogen Sulfide ens ad H S 1ppm 0 5ppm 10ppm 20ppm 0 5 50 ppm 1 0 50 5 sec 1874 9300 red gry blu ppm XP Hydrides Table C 1 Chemcassette Detectable Gases cont d Minimum Sample Time TLV Threshold Limit Value LAL Lowest Alarm Level LDL Lower Detectable Limit CM4 Technical Manual C 7 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Initial Time to 1 TLV Default Default i Alarm 2 TLV Chemcassette Gas Name Alarm Alarm Range Alarm Setting Analysis Concentration Chemcassette Label Period Part Number Level 1 Level2 seconds 10 Foot Sample Color Code Line 20 99 ppb 120 100 199 ppb 60 15ppb 500ppb 1000 ppb 15 1500 ppb 200 399 ppb 30 400 1500 ppb 15 15 sec Alarm 500 ppb with 1000 Hydrogen Sulfide H S Low Level 1874 9300 red gry blu XP Hydrides p ppb gas Hydrogen Sulfide 1 4 9 ppm 30 HS 0 5ppm 10ppm 20ppm 0 5 50
183. pplied power to 120 VAC for the printer and share box the Printer Share Box and Printer Bu id i only a 120 VAC share box i e P N 1874 0007 Cables For applications requiring a 50 ft cable between the CM4 monitor and LLL De ISEO the Printer Share Box order cables separately P N 1874 0031 9 pin Printer P N 874012 Desktop to 25 pin 50 ft P N 1874 0005 Rack Mount The Desktop Printer includes a 10 ft interface cable for connection These are 115 VAC printers Other voltages for printers rack mount between the Printer Share Box and the Desktop Printer only are available as MVIP For customer supplied cables refer to the EMC Considerations section Notes 1 Maximum range 50 Ft on page D 2 2 For Rack Mount Printer set the printer switch to RS 232 P N 1874 0006 100 VAC or P N 1874 0007 120 VAC or Figure D 3 Serial Interface 2 5 CM4s Single Printer Bun P N 1874 0008 230 VAC rinter z z NOTE a a Pe ae Share Box en Newer racks P N 1874 0050 and 1874 0051 transform the Monitor Gowe Monitor customer supplied power to 120 VAC for the printer and share box With these racks only a 120 VAC share box i e P N 1874 0007 Monitor Motor should be used cus E P N 874012 Desktop Monitor lonitor Printer P N 1874 0005 Rack Mount Monitor These are 115 VAC printers Other voltages for printers rack mount only are available as MVIP DIM e 1 Maximum range 50 Ft Printer EN Notes i 2 For Rack Mount Printer set the printer
184. ptics block FAULT 12 Broken Tape in Carrier RY10 On Solid Dirty Optics Clock Error Data Corrupted Set Date and Time Section 7 6 1 FAULT 13 On Solid Clock Failure Call Local Service Agent RY10 14 N A 15 N A Optics Fail PTx Communication problem between circuit Check Controller cables boards FAULT 16 RY10 On Solid Call Local Service Agent Voltage Fail PTx Ribbon cable unplugged Check cable from CM4 to customer I O module 17 Power Supply problem Call Local Service Agent aa On Solid External short circuit on 24 VDC CM4 Technical Manual Correct short and replace fuse F15 on customer I O board Table B 1 CM4 Fault Listings cont d B 3 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Fault Rela Beeping Yellow No Description Possible Cause Corrective Action d d Audio Status i Alarm LEDs Relay xx Fail Cable problem Check cable to customer I O board FAULT tomer I O rel Replace 1 0 relay board n 18 Customer I O relay board eplace I O relay boar and On Solid Circuit board Replace controller board FAULT RY8 Overtemp Pyrolyzer or Optics Block related Check for dirty air filters FAULT 19 malfunction RY10 On Solid Call Local Service Agent 20 Customer I O 24V Fail Blown Fuse Replace fuse FAULT n Solid Unconnected cable Check cable connections RY10 21 High Pyro Flow PTx Sample flow exceeds 200 cc min Perform Checking Flow Rates Section 9 2 5 FAULT Off
185. r monitoring e Set alarm levels and current loop Full Scale FS value for each point e Assign point identification strings 7 3 1 Select Gas Type Program Alarms and Set Current Loop Full Scale Values Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose subfunction 2 POINT PARAMETERS Revision 9 02 08 CM4 Four Point Continuous Monitor 3 SET UP MENU 2 POINT PARAMETERS The display reads SELECT POINT 3 Usethe numeric keys to specify the point you wish to configure or press RESET to exit this function If the printer output is enabled the display reads PRINT 1 YES OzNO The printout helps to determine which point parameters to change If for example you selected point 1 pressed 1 in Step 3 the printer prints the parameters and the display briefly reads POINT 1 SELECTED The status LED blinks for the point selected The display changes to 1 GAS LEVELS 2 PT ID 4 Press 1 to Select a gas type Program the Level 1 and Level 2 alarms Set the full scale value of the 20 mA output Press 2 to define the point identification See Section 7 3 2 Upon pressing 1 the display reads PT 1 GAS AsH3 lt a gt gt 5 Press the CURSOR ARROW LEFT RIGHT to scroll through the available gases See Appendix C for a list of values CM4 Technical Manual 7 4 Honeywell A WARNING Make sure the gas assignment is correct when entering designations for specific gases within a g
186. rial numbers i e 851P000X for a CM4 P instrument and 851 000X is a standard CM4 serial number This designation appears on all printouts point IDs and displays in which the instrument identification is used Revision 9 02 08 CM4 Four Point Continuous Monitor 5 15 05 10 06 CM4 851 0000 Chemcassette NAME ARSINE PHOSPHINE SILANE DIBORANE TERTIARYBUTYLARSINE HYDROGEN SULFIDE DRY ARSINE HYDROGEN SELENIDE NAME PT1 CM4 851 0006 PT2 CM4 851 0006 PT3 CM4 851 0006 PT4 CM4 851 0006 RELAY STATE 2 mA FAULT INDICATION PUMP LIMITS DISPLAY UPDATE TIME TWA PRINT TIMES PRINTER PORT HAND SHAKE PRINTOUT SELECTED IDLE TIMEOUT DUTY CYCLE 000 SECONDS SERVICE HISTORY INT FILTER LIFE EXT FILTER LIFE Chemcassette REMAINING Hydrides AsH 3 SiH 4 TBA H Se GAS AsH AsH 3 LAST OPTICS VERIFICATION TAPE ADVANCE SENSOR SYSTEM CONFIGURATION PRINTOUT ABC MANUFACTURING CO CHICAGO IL ABBREVIATION PH 3 B H H S AsH D K FACTOR 1 000 1 000 1 000 1 000 LATCHING DISABLED 500 400 4 SECONDS 00 00 08 00 16 00 9600 BAUD DISABLED COMPRESSED 45 MINUTES POINTS LINKED TO MONITOR RELAY 1 2 3 4 ALARM 1 50ppb 50ppb 50ppb ALARM 2 100ppb 100ppb 100ppb 100ppb DE ENERGIZED 20 mA FS ENABLE 500ppb YES 500ppb YES 500ppb YES 500ppb YES 05 15 05 10 06 05 15 05 10 06 ADDRESS O01 DISABLED DISABLED MM DD YY 9600 BAUD STATUS 04CF 68A7 4846 E
187. ring a number When the correct CID has been entered press the ENTER key The INVALID NUMBER CID mistyped Retype CID number Unchanged display will read IMPROPER i Use different Chemcassette Wrong tape for gas family Chemcassette Y N OPEN GATE REPLACE CC Chemcassette ee omen Use newer N y 6 Shift the tape load lever to open the optics block The display EXPIRED Chemcassette reads Use newer CC PAST EXPIRY Time since manufacture twice too long Chomcassettg Y N CHANGE CC CLOSE GATE Chemcassette This CC previously installed and out of bag too Use newer N Y 7 Onolder model CM4 s release carrier retaining tabb pressing STALE long See Table 8 2 Chemcassette oL y CC VERY STALE This CC previously installed and out of bag Use newer Y N towards rear of unit twice too long See Table 8 2 Chemcassette 8 Remove the carrier by placing your hands under it palms CCEXPFLTIN This CC will be expired or stale before it is MS betore _ None up and firmly lifting straight up Apply sufficient upward force XX DAY consumed in XX days XX days elapse Imminent to free tape guides from posts See Figure 9 1 CM4 Technical Manual 9 3 Revision 9 02 08 CM4 Four Point Continuous Monitor NOTE To avoid carrier torque and damage do not tilt the carrier Contact Honeywell Analytics if you are unable to remove the carrier Right Wrong tt tt ZL Figure 9 1 Removing the Carrier 9 2 2 Verify Optics Each time you
188. rly secure the connector to the equipment will result in high emission levels Also poorly constructed or improperly assembled connectors can be a high source of radiated noise and provide a path for external signals into the instrument Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Table of Contents Your Uptime Is Our Top Priority i 1 5 2 Power Conngellop aaa cias lez Symbols Used on Your Instrument ii 1 5 3 Optional Serial Output ass 1 7 LP d Cis eR ii 1 6 LENS ua sieadusssiundai cedi laiadad n ada abad 1 7 QUIIDOIS iini ee eee ii 1 6 1 General and Point Gas Alarms 1 7 EMG Considerations eene iii 1 6 2 Activating an AOT occhi ier OVerVieW E ER iii 1 7 Instrument Diagnostics 1 8 Lr loro ttt iii 2 Controls and Indicators re ill 0 MR e nda eer os tac eee eee ene reer iii 2 1 In OO CEODI uasa ues cad saab d kt Rma cc ads and iasa 2 2 risu TR iii 2 2 Control Panel isisisi 2 2 1 CM4 Overview PAFADIS oE E cen ee ree 2 2 TL OCU HON oasis cds ais ioci aaidi xen cs cuna Saad a ausa dean 1 2 2 2 2 LEDs and Point ID Labels 2 3 1 2 Sampling and Monitoring System 1 3 229 NOUS i cc ac ie tect 2 3 1 2 1 Flow Connections 2 creto nussenita nctatnataes 1 3 2 2 4 Power Indicator LE
189. s 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 2 FAULT HISTORY Revision 9 02 08 CM4 Four Point Continuous Monitor 2 REVIEW MODE 2 FAULT HISTORY 3 Press 1 to display the fault history F12 END OF CASSETTE 08 26 05 10 30 B The display shows the last eight faults stored in fault history 4 Press either e CURSOR ARROW LEFT RIGHT to scroll forward backward to the next previous event stored or ENTER to repeat the event just displayed Fault history is not cleared using the RESET key Press RESET to return to the Review Menu 6 4 Function 2 3 Current TWA Use the Current TWA Time Weighted Average function to display or print the current TWA for each point monitored since the start of the current 8 hour TWA The TWA is the concentration of gas measured and averaged over the entire period 6 4 1 Print TWA See Figure 6 4 for an example of a typical TWA printout Purpose The printout of the TWA shows e Instrument serial number e Current date and time e Customer name and location e Start and end time CM4 Technical Manual 6 5 Honeywell e Elapsed time e Concentration levels for each point Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 3 CURRENT TWA 2 REVIEW MODE 3 CURRENT TWA The display reads 1 DISPLAY 2 PRINT 3 Press 2 to print the TWA history The CM4 calcula
190. s are very short 40 seconds you should install the monitor in a location central to all four points to achieve equal sample transport times during monitoring The shorter the sample line the shorter the response time If monitoring a critical point it may be desirable to place the instrument near that critical point to reduce sample transport time for that location See Appendix A for transport times 3 3 4 Instrument Dimensions Instrument dimensions are important factors in instrument placement For the basic tabletop configuration the dimensions are approximately 9 187 inches 23 3 cm high See Section 3 5 for required clearances and mounting dimension for the optional wall and rack mount configurations The CM4 is 17 inches 43 cm wide and 17 3 4 inches 45 cm in depth The CM4 weighs about 50 pounds 23 kg 3 4 Sample Locations Before installing the CM4 evaluate the sampling locations to determine if excessive dust or moisture are present Use an external filter at the end of all sample lines See Appendix A for selection of appropriate filter type for the target gas Dust may be a result of construction as well as manufacturing activities Moisture may occur from rain entering a line at an outdoor sampling location or from condensation caused by temperature fluctuations Water condensation in the sample lines could cause false alarms NOTE Variables such as air flow the molecular weight and temperature of the sample gas
191. s of the slave x 7 This command allows the master to inquire about the general operating bit 8 Da F condition of the system it 8 Date Format 0 MM DD YY Command packet to instrument 1 DD MM YY Command Code 0x31 1 byte bits 9 12 Points enable when No Lock on Response packet from instrument 0x01 Point 1 enabled Command Code 0x31 1 byte 0x02 Point 2 enabled CM4 Date 2 bytes 0x04 Point 3 enabled CM4 Time 2 bytes 0x08 Point 4 enabled General Status 2 bytes bit 13 Relay state bit 0 Current Operating mode 0 De energized 0 Not monitoring 1 Energized 1 Monitoring bit 14 Relay Latching state bit 1 Keyboard Lockout state 0 Non latching 0 Disabled 1 Latching 1 Enabled bit 15 Alarm Simulation state bit 2 Key pad status 0 Unit not in alarm simulation mode 0 unlock 1 Unit in alarm simulation mode 1 locked New Events 1 byte bit 3 Chemcassette counter status bit 0 The alarm history contains an entry which has not 0 Counter disabled been read via packet 0x36 or 0x47 1 Counter enabled 1 anew entry exists bit 4 2mA Fault operation 0 no new entries 0 Feature disabled bit 1 The fault history contains an entry which has not been 1 Feature enabled read via packet Ox3D bit 5 Point Lock ON 1 anew entry exists 0 No Lock ON 0 no new entries 1 Lock ON bits 2 7 undefined bits 6 7 Point Locked Ignore if bit 5 is 0 Concentration Summary 1 byte 00 Point 1 bits 0 1 concentration sum
192. s the replacement of CMA filters Section 9 3 Fuse replacement Section 9 4 e Cleaning Chemcassette optics Section 9 5 e Installing Microtube assemblies Section 9 6 NOTE Prior to performing any maintenance procedure leave Monitor Mode See Section 4 5 1 CAUTION For system integrity always perform a leak test after any maintenance procedure See Section B 2for leak check procedure 9 2 Chemcassette Maintenance This section describes maintenance and handling procedures for the Chemcassette and the Chemcassette carrier Perform the following functions when replacing a Chemcassette tape e Remove carrier e Verify optics Load new Chemcassette in carrier e Install Chemcassette e Check flowrates CM4 Technical Manual 9 2 Honeywell 9 2 1 Remove Carrier To remove the Chemcassette carrier from the CM4 1 Press PROGRAM to exit Monitor Mode 2 From the 4 SERVICE MENU Choose the subfunction 5 LOAD Chemcassette 4 SERVICE MODE 5 LOAD Chemcassette If Chemcassette counter is disabled proceed to step 6 If Chemcassette counter is enabled the screen displays RESET COUNTER 1 Y 3 Press either 1 to re initialize the counter so that the display shows a fault when less than 24 hours of Chemcassette remains or 0 to continue without resetting counter If the internal filter timer is active see Section 7 8 2 the screen displays 4 Press either 1 to reset the timer after servi
193. s well as assigns each point an identification see Section 7 3 e 3 3 OUTPUT OPTIONS enables the Printer and COM outputs and defines data format between data transmissions and determines relay state and 2mA fault operational status see Section 7 4 e 3 4 CONFIGURATION saves a new instrument configuration or restores a previously saved instrument configuration see Section 7 5 e 3 5 DATE amp TIME controls several date and time functions see Section 7 6 e 3 6 ACCESS KEYLOCK locks the keypad from unauthorized access when in Monitor Mode see Section 7 7 e 3 7 MAINT SET UP enables and disables the Chemcassette and internal external filter counters see Section 7 8 See Section 8 6 to reset Chemcassette and filter counters 7 2 Function 3 1 Point Enable Purpose Use the Point Enable function to disable points not needed Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the S SET UP MENU choose the subfunction 1 POINT ENABLE CM4 Technical Manual 7 3 Honeywell The display reads SELECT POINT 3 Select Point 1 The display reads PT1 ENABLE 1 Y O N 4 Enter your selection 1 or 0 The display returns to SELECT POINT 5 Press RESET to return to the Set Up Menu NOTE Disabling a point will not activate any alarm or set any output concentrations for that point 7 3 Function 3 2 Point Parameters Purpose Use the Point Parameters function to e Specify gases fo
194. sent this value may remain at 1 After entering a unique number press ENTER After these steps the COM port setup is complete Normal operation is restored by pressing lt MONITOR gt E 1 4 Protocol Specifics The protocol has been designed for flexibility and efficiency This byte wise protocol communicates information by transferring bytes of data back and forth between master and slave A group of bytes for each communication is called a packet The master and slave s transfer information via data packets These packets will always contain bytes to start communication an address a packet length a command and a checksum Additional optional variable length data bytes or optional parameters can also be sent or received This section is a brief overview of the protocol specifics Data and Packets A byte is a piece of data It is a way to indicate information and is composed of eight bits of information A bit is the smallest possible piece of information It can only be two possible values 1 or 0 True or False A byte can have a decimal value from O to 255 In hexadecimal representation a byte s value can range from 0x00 to OxFF Hexadecimal representation will be used for the remainder of this manual The number may be interpreted in a manner other than a number for example as a letter Using ASCII characters where 0x41 is the letter A 0x42 is the letter B 0x43 is C and so on a message can be written as these numb
195. sse 11 U11 CH 8610 Uster Switzerland Tel 41 0 1 943 4300 Fax 41 0 1 943 4398 gasdetection honeywell com Technical Services ha global service honeywell com www honeywell com 971305 Rev 9 February 2008 Please Note While every effort has been made to ensure accuracy in this publication no responsibility can be accepted for errors or omissions Data may change as well as legislation and you are strongly advised to obtain copies of the most recently issued regulations standards and guidelines This publication is not intended to form the basis of a contract Honeywell 2008 Honeywell Analytics
196. st and dirt greater than one micron from entering the sample ee line Unlike standard particulate filters it does not exhibit sample loss MELIE een Neate x with corrosive monitoring HBr Hydrogen Bromide X X The one micron Teflon membrane contained in the filter housing P N BoE eee ees z i 0235 1072 100 per pack should be replaced every 30 days MMH Monomethyl Hydrazine X X l OP s NH Ammoni X Filters have an arrow on the side of the filter pointing in the direction S66 e i of airflow toward the CM4 system 2 _ N H Hydrazine X X Filter Part Number Recommended Replacement HS Hydrogen Sulfide X A 780248 3 6 Months HCN Hydrogen Cyanide X B 1830 0055 Filter membrane 0235 1072 monthly H S LL Hydrogen Sulfide Low Level X X C 1991 0147 3 6 Months COCI High Phosgene High X TEA Triethyl Amine X X Table A 1 Recommended Use of Sample Filter CM4 Technical Manual A 2 Revision 9 02 08 CM4 Four Point Continuous Monitor Output requirements are Symbol Name ek end Wet BF Boron Trifluoride X X F Fluorine X X TDMAT Tetrakis dimethylamino titanium X X H S Dry Hydrogen Sulfide Dry X H Se Hydrogen Selenide X X DMA Dimethylamine X X NF Nitrogen Trifluoride X X UDMH 1 1 Dimethyl Hydrazine X X CH F Methyl Fluoride X Table A 1 Recommended Use of Sample Filter cont d A 3 General Specifications A 3 1 CM4 Physical dimensions are as follows Height 9 3 16 inches 23 3 cm Width 17 inch
197. strument Command Code 0x38 1 byte Response packet from instrument Command Code 0x38 1 byte CM4 Date 2 bytes CMA Time 2 bytes TWA time 1 2 bytes TWA time 2 2 bytes TWA time 3 2 bytes Status 1 byte 0x00 Time read Oxff 2 Error in reading Get Display Cycle Time 0x39 This command queries for the length in seconds that the concentration for each point is displayed while the unit is in the Monitoring mode Command packet to instrument Command Code 0x39 1 byte Response packet from instrument Command Code 0x39 1 byte CM4 Date 2 bytes CMA Time 2 bytes Cycle Time 1 byte valid 2 10 sec default 4 sec Status 1 byte 0x00 No error Oxff Error Revision 9 02 08 CM4 Four Point Continuous Monitor Get the Number of Gas Tables Available 0x3A This command allows you to query the unit for the number of loaded gas tables in the unit Command packet to instrument Command Code 0x3A 1 byte Hesponse packet Command Code 0x3A 1 byte CM4 Date 2 bytes CM4 Time 2 bytes of Gas Tables 1 byte 1 255 Get Printer Setup 0x3B This command queries the unit for the printer configuration Command packet to instrument Command Code 0x3B 1 byte Response packet from instrument Command Code 0x3B 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Setup Status 1 byte bit 0 Printer port enable disable 0 Disable 1 Enable bits 1 2 Printer report format 00 C
198. t NOTE Status LEDs also turn yellow or flash to indicate an instrument fault CM4 Technical Manual Honeywell Alarm LEDs signal gas level alarms for each point Alarm LEDs Light for Level 1 alarm concentration Flash for Level 2 alarm concentration 1 4 3 Keypad Use the keypad to Program the CM4 Select specific points to monitor Print and display programming parameters 1 4 4 Power LED The power LED at the bottom right of the panel indicates the CM4 is powered up A blinking yellow power LED indicates the keypad is locked requiring a passcode for any CM4 operation 1 4 5 Flow Control Four metering valves one for each point control the sample flow through the Chemcassette detection system 1 5 Electrical Connections All electrical connections are made at the rear of the CM4 User installed wiring connects to a removable relay panel at the top of the instrument allowing the chassis to be removed without disturbing connections 1 5 1 I O Panel The I O Input Output panel contains connections to 14 form C relays to activate external devices A watch dog relay RY12 which indicates power loss or a CPU failure Eight gas alarm relays which indicate Level 1 and Level 2 alarms 1 6 Revision 9 02 08 CM4 Four Point Continuous Monitor e Two general gas alarm relays which indicate Level 1 and Level 2 alarms at any point e A Maintenance fault relay RY8 which indicates the CM4 needs attention but is continu
199. tes and prints TWA information based upon the elapsed time maximum of 8 hours from the last entry into Monitor Mode power up or completed TWA printout until the last sample prior to leaving Monitor Mode 08 26 05 13 51 CM4 851 0000 TWA ABC MANUFACTURING CO CHICAGO IL START TIME 08 26 05 03 56 END TIME 08 26 05 11 26 ELAPSED TIME 7 HOURS 30 MINUTES POINT 1 GASCAB 16 PPB POINT 2 VALVEBOX 8 PPB POINT 3 OPZONE 0 PPB POINT 4 EXHDUCT 0 PPB Figure 6 4 TWA Printout Revision 9 02 08 CM4 Four Point Continuous Monitor 6 4 2 Display TWA Purpose The Current TWA display shows e Current TWA start time e Current TWA end time e Elapsed time e Concentration levels for each point Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 3 CURRENT TWA 2 REVIEW MODE 3 CURRENT TWA The display reads 1 DISPLAY 2 PRINT 3 Press 1 to display the TWA information 4 Press CURSOR ARROW LEFT RIGHT to scroll forward backward to the next previous display START 08 26 05 03 56 END 08 26 05 11 26 ELAPSED 07HRS 30MIN The display shows in sequence beginning at point 1 accumulated concentrations for all four points Press RESET to return to the Review Menu CM4 Technical Manual 6 6 Honeywell 6 5 Function 2 4 Last Power Down Use the last power down function to print and display the most recent power down and power up date and ti
200. the Installation Site A survey of the site helps you make important decisions before installing your CM4 Topics in this section assist you with appropriate placement of the CM4 and in determining if you have special filtering needs at the sampling location The site should e Be remote from the monitored location not sharing the atmosphere e Have sufficient ventilation for cabinet cooling e Have power available e Be indoors in an area that is not subject to wide variations in temperature not greater than gradients of 25 C per hour and humidity NOTE The specified humidity is 20 80 RH and a temperature between 10 C to 40 C 3 3 1 Placement of the CM4 Install the CM4 in an environmentally protected setting remote from the manufacturing or storage locations that it monitors Operators can place the CM4 up to 300 feet 90 m from monitoring points to monitor gas concentrations in an area removed from the location where gas may actually be leaking 3 3 2 Exposure to Dust and Humidity Exposure to corrosive gases or materials excess moisture dust and other unusual environmental conditions could seriously hamper the instrument s monitoring ability and could damage the instrument Always allow room behind the CM4 for ventilation and servicing See the installation drawing 874000 I included with the CM4 for requirements Revision 9 02 08 CM4 Four Point Continuous Monitor 3 3 3 Sample Transport Time Although transport time
201. tion E 5 Get Printer Setup Ox9SB coii E 13 E 2 1 Packet FOLIO 112a cniiki uiii insu a tbi oaa i ca x End E 5 Get Gas Table Data Ox3C E 13 Statt Od gt pee liti aaa ES G t Fault History Dx3l ae cimi iacta E 14 E 2 2 Generic Data Formats E 6 E 4 Configuration and Directive Commands E 17 Date CONN iain iiam bs thine nad E 6 Set IK Factot XOU aucun dancccticad uai an E217 TME ForMalina E 6 Reset Fault or Alarm OKb1 cies E 18 Date Time Examples uiia cci satia E 6 Set Key Codae 0x5b2 cesis E 18 CM4 Technical Manual ix Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Table of Contents LOCK yar X59 irunia E19 F Installation Drawing Set 2mA Fault Operation 0x54 E 19 G Warranty Statement Start New Cycle 0X55 ee E 19 Chemcassette Device Warranty Statement G 2 Program Chemcassette Counter 0x56 E 20 Chemcassette Warranties G 2 Set Printer Configuration 0x57 E 20 Set Point Enable Disable 0x58 E 21 Set Point Configuration 0X59 us ni E 21 Set TWA Time OX5A cccccccessececseeeeseeesesseeseees E 22 Set Display Time Ox5B
202. to convert customer supplied power to 120 VAC For these installations share box 1874 0007 or 1874 0010 should be used D 2 Jumpers The jumpers on the printer option board are factory set for either single CM4 monitor to printer or multiple CM4 monitor to printer share box applications For single CM4 monitors connected directly to the printer jumpers C D E and F are used For multiple CM4 monitors jumpers A B G and H are used as shown below o ce Ca J1 O E 8 OO O I EL Rak lt 8E o E H 8 BUD B 1 Bj uo 9 o os 874270 Q REV O Serial Communications Interface Board For single CM4 monitors connected directly to an optional printer the jumpers are set in positions C D E and F This configures the CM4 as data communications equipment DCE Figure D 1 Single CM4 Printer Connections CM4 Technical Manual D 3 Honeywell O ze BB oj ic E C5 C7 o mda scientific c3 C1 J2 4 LS1 ooo OoOooOoO0 o L1ILELCLELELELBLTI LTLTLTULTLITLULTIT HGFEDCBA 874270 olz ca o s Serial Communications Interface Board For multiple CM4 monitors connected to a printer share box option the jumpers are set in positions A B G and H This configures the CM4 as data terminal equipment DTE Figure D 2 Multiple CM4 Printer Connections Revision 9 02 08
203. tor Lock Keyboard 0x53 This command allows you to lock out the keyboard The keyboard can be disabled preventing unauthorized user intervention by enabling the keypad lock out and sending a valid key code This allows only persons with the key code to operate the keypad Command packet to instrument Command Code 0x53 1 byte Keypad Status 1 byte bit 0 Lock or unlock keypad 0 Unlocked 1 2 Locked bits 1 7 Undefined Key code 2 bytes valid 0000 9999 Hesponse packet from instrument Command Code 0x53 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Saved and verified 0x01 Key code invalid Oxff Error not saved CM4 Technical Manual E 19 Honeywell Set 2mA Fault Operation 0x54 This command configures the unit for an output option of 2 milliamperes rather than the default 4 milliamperes Command packet to instrument Command Code 0x54 1 byte Enable Disable 1 byte 0 Featured disabled 1 Feature enabled Response packet from instrument Command Code 0x54 1 byte CM4 Date 2 bytes CMA Time 2 bytes Status 1 byte 0x00 Feature programmed Oxff Error occurred Start New Cycle 0x55 This command allows you to toggle the unit into and out of the Monitor mode Command packet to instrument Command Code 0x55 1 byte State 1 byte bit 0 Take put into analysis 0 Take out of Monitor mode 1 Put in Monitor or pull window bits 1 7 Undefined Respo
204. toring Default is four seconds Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 5 DATE amp TIME then 3 SET DISPLAY CYCLE 3 SET UP MODE 5 DATE amp TIME 3 SET DISPLAY CYCLE The displays reads DISPLAY CYCLE 04 SEC 3 Use the numeric keypad to enter the desired display time between 2 and 10 seconds 4 Press ENTER to save the display time and return to the set date amp time function The display shows DISPLAY CYCLE IS SET DATE AND TIME lt a gt gt CM4 Technical Manual 7 13 Honeywell 7 6 4 Set TWA Printout Time 3 5 4 Purpose Use the set TWA time function to set the time for printing the time weighted average with a printout occurring every eight hours after the set time The exact time of TWA printout may be as much as 45 minutes later than the value entered here This is because the TWA printout occurs only after a tape advance The valid range for TWA printout times is 00 00 to 07 59 If a TWA printout time is entered which is outside of this range then 8 or 16 hours will be subtracted from it to make the TWA printout time in the range 00 00 to 07 59 Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 3 SET UP MENU choose the subfunction 5 DATE amp TIME then 4 SET TWA TIME 3 SET UP MODE 5 DATE amp TIME 4 SET TWA TIME The display reads The cursor flashes over the first zero 3 Use the numer
205. ty Optics Clean Optics Section 9 5 RY10 i ida Tape Motor Fail Motor not Operating Verify Motor Turns Verify Capstan Rotates 5 Broken Chain Check Sensor Magnet Position E LT On Solid Wire Disconnected Reconnect Motor Wire to CPU Board WM Sensor Problem Call Local Service Agent 6 Change Internal Filters Filter Timer Expired Replace Internal Filters Section 9 3 and Reset Filter MAINT Off Off Timer Section 9 2 1 RY8 7 Change External Filters Filter Timer Expired Replace Sample Line Filters Section 9 3 and Reset MAINT Off Off Filter Timer Section 9 2 1 RY8 Chemcassette Low Approximately 1 3 days of Chemcassette Replace Chemcassette Section 9 2 MAINT 8 Off Off remain RY8 9 Bale Cet Load Lever Open Close Lever an Off Solid Table B 1 CM4 Fault Listings CM4 Technical Manual B 2 Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell Fault Rela Beeping Yellow Description Possible Cause Corrective Action eray Audio Status No Activated Alarm LEDs EE CSUM Error EEPROM Error Reset System Section 8 5 Call Local Service Agent Note EM FAULT On Soli If this fault appears vital factory calibration information has RY10 been lost Recalibration must be performed by a Local Service Agent Out of Monitor Idle Time Expired Return to Monitor Mode or Disable Timer Section 7 6 5 FAULT 11 On Solid RY10 HI BACKGND 4 PTS High background on all points Find source of gas near o
206. urpose The Calibrate Current Loop function calibrates the external analog devices connected to the module by generating a 2 mA to 20 mA analog signal from each individual point If 2 mA fault indication is disabled via menu function 3 3 5 then the minimum current will change from 2 mA to 4 mA This function provides three methods to calibrate connected devices e Toggling between 2 mA 4 mA and 20 mA signal levels e Automatically changing output signal levels beginning at 2 mA and going up to 20 mA e Step up the current loop from 4 mA to 20 mA in 1 mA increments Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell 5 4 1 Selecting the Signal Levels Manually 5 4 2 Selecting Signal Levels Automatic Ramping Purpose 1 Press PROGRAM to exit Monitor Mode 2 From the 1 CALIBRATION MODE choose CALIBRATION MENU then the subfunction SCCALIBRATE CURRENT LOOP Instructions 1 Press PROGRAM to exit Monitor Mode SE BUIERSTON MODE 2 From the 1 CALIBRATION MODE choose CALIBRATION CALIBRATION MENU lt gt MENU then the subfunction 3 CALCULATE CURRENT LOOP 3 CAL CURRENT LOOP The Calibrate Current Loop function allows selection of the signal level for each individual point 1 CALIBRATION MODE The display reads SELECT POINT CALIBRATION MENU gt 3 Use the numeric keys to specify a point The displays reads 3 CAL CURRENT LOOP PT 1 CAL 1 MAN 2 RAMP 3 STEP 4 Press 2 The display shows the output for th
207. urpose Use the Optics Verify function and the Optics Verification Card to verify proper operation of the Chemcassette Analyzer s optics system The CM4 compares the nominal stain values stored in the instrument s memory to the values the Optics Verification Card produces Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 1 CALIBRATION MODE choose the subfunction 1 OPTICS VERIFY 1 CALIBRATION MODE OPTICS VERIFY INSERT STAIN 1 PRESS Revision 9 02 08 CM4 Four Point Continuous Monitor 3 Open the tape load lever and remove the carrier See Figure 9 1 4 Insert the verification card into the detector head with Stain 1 facing the front of the CM4 Make sure that Stain 1 is fully inserted into the detector head 5 Carefully close the tape load lever 6 Press CURSOR ARROW RIGHT on the numeric keypad The readings for Stain 1 are stored The display reads INSERT STAIN 2 PRESS B gt 7 Open the tape load lever 8 Remove the verification card 9 Turn the card and fully insert Stain 2 10 Carefully close the tape load lever 11 Press CURSOR ARROW RIGHT The display shows one of two messages VERIFY SUCCESSFUL or F24 OPTICS FAIL 12 Open the tape load lever and remove the verification card If the optics verification is not successful repeat the procedure if it not successful after the second test see Section 9 5 Cleaning the Chemcassette Optics Once the cleaning is complete repe
208. vent just displayed PT1 56 PPBASH3 12 27 95 09 31 L2 B Alarm history is not cleared using the RESET key Press RESET to return to the Review menu 6 3 Function 2 2 Fault History Use the fault history function to print and display the eight most recent faults and alarms 6 3 1 Print Fault History See Figure 6 3 for a typical example of a fault history printout Purpose The printout of the fault history shows the most recent fault first for up to eight total faults The printout includes e Instrument serial number e Current date and time e Customer name and location e Fault number FXX e Fault type e Fault date and time Instructions 1 Press PROGRAM to exit Monitor Mode 2 From the 2 REVIEW MENU choose the subfunction 2 FAULT HISTORY CM4 Technical Manual 6 4 Honeywell 2 REVIEW MODE 2 FAULT HISTORY The display reads 1 DISPLAY 2 2 PRINT 3 Press 2 to print the fault history The CM4 sends the fault history to the printer 08 26 05 13 51 CM4 851 0000 FAULT HISTORY ABC MANUFACTURING CO CHICAGO IL 08 26 05 10 34 F12 END OF CASSETTE Chemcassette SUPPLY LOW 08 25 05 09 15 F8 GATE OPEN DURING MONITOR 07 26 05 08 33 F9 06 21 05 15 50 F15 FLASH CARD ERROR Figure 6 3 Typical Fault History Printout Fault history is not cleared using the RESET key 6 3 2 Display Fault History Purpose The fault history display shows fault e Number e Name e Date and time Instruction
209. y Il Operating Temperature 50 104 F 10 40 C Humidity 20 80 RH CM4 Technical Manual A 3 Revision 9 02 08 CM4 Four Point Continuous Monitor A 4 Transport Times Table A 2 shows the time required for samples to move from the sampling point to the CM4 for various lengths of sample lines Tubing Length Time 20 feet 6 meters 2 seconds 50 feet 15 meters 5 seconds 100 feet 30 meters 11 seconds 200 feet 61 meters 23 seconds 300 feet 90 meters 36 seconds Table A 2 CM4 Nominal Transport Times CM4 Technical Manual A 4 Honeywell Revision 9 02 08 CM4 Four Point Continuous Monitor Honeywell B Fault Listing CM4 Technical Manual B 1 Revision 9 02 08 CM4 Four Point Continuous Monitor B 1 Fault Codes Table B 1 lists the CM4 fault codes with possible cause s and corrective action s Honeywell Fault Relay Peeping Yelow No Description Possible Cause Corrective Action Activated Audio Status Alarm LEDs 1 No Points Enabled Programming Error Enable Point in SET UP FAULT On Solid Section 7 2 RY10 2 NA BBRAM CSUM Error Power Interrupted during Programming Reset System Section 8 5 Call Local Service Agent FAULT 3 Note RY10 On Solid If this fault appears user programmed information has reverted to factory set selections Background Fail Chemcassette Expired Replace Chemcassette Section 9 2 FAULT Dir
210. y Command packet to instrument operators that the unit is not monitoring An idle time of 0 disables this option Command packet to instrument Command Code 0x32 1 byte Response packet from instrument Command Code 0x32 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Idle Time 1 byte 0 disabled 1 45 min Status 1 byte 0x00 No errors in reading Oxff 2 Error in reading Get Date amp Time 0x33 This command retrieves the current date and time from the unit Command packet to instrument Command Code 0x33 1 byte Response packet from instrument CM4 Date 2 bytes CM4 Time 2 bytes Status 1 byte 0x00 Date and Time READ Oxff Read problem CM4 Technical Manual E 10 Command Code 0x34 1 byte Response packet from instrument Command Code 0x34 1 byte CM4 Date 2 bytes CM4 Time 2 bytes Last Power Down Date 2 bytes Last Power Down Time 2 bytes Last Power Up Date 2 bytes Last Power Up Time 2 bytes Flow Balance Date 2 bytes Flow Balance Time 2 bytes Optics Calibration Date 2 bytes Optics Calibration Time 2 bytes Date Chemcassette Replaced 2 bytes Time Chemcassette Replaced 2 bytes Date Int Filter Replaced 2 bytes Date Ext Filter Replaced 2 bytes Status 1 byte 0x00 No errors OxFF Error Revision 9 02 08 CM4 Four Point Continuous Monitor Get Point Configuration 0x35 This command queries an individual point for its current configuration Command pa
211. y Cycle defaults to zero seconds It may however be set to a larger number to conserve tape in installations that have some concentration of gas for long periods of time The tape will not advance until the minimum window time has accumulated even if the tape is saturated During periods when the tape is saturated but Revision 9 02 08 CM4 Four Point Continuous Monitor prevented from advancing the CM4 will continue to report the most recent concentration reading However it will not report any changes in the concentration during this period because the tape is saturated The Monitor relay RY6 will energize when monitoring is temporarily suspended due to tape saturation Note however any one point that is enabled for Duty Cycle will cause the Monitor relay RY6 to energize regardless if some points have not been selected enabled for Duty Cycle In the CM4 software the monitor relay action during Duty Cycle bits default to TRUE but can be set to FALSE with the following procedure Instruction If the Duty Cycle option is installed you can use Menu Function 3 3 6 EN DIS Duty Cycle to enable or disable the Duty Cycle function for each point Use Menu Function 3 5 6 Set Duty Cycle to program the Duty Cycle time function Follow these steps to enable disable the Duty Cycle for each point 1 Press PROGRAM to exit Monitor Mode 2 Fromthe S SET UP MENU choose the subfunction 3 OUTPUT OPTIONS then 6 EN DIS DUTY CYCLE
212. y actually be leaking 3 1 2 Accessory Kit Your CM4 includes an Accessory Kit P N 874265 which contains this manual on CD a calibration card and other items used in installation 3 1 3 Installation Steps Proceed through each of the steps to install the CM4 This section details physical installation procedures which you should perform in order e Surveying the Installation Site Section 3 3 e Placement of the CM4 Section 3 3 1 e Sample Locations Section 3 4 e Configuring for Mounting Method Section 3 5 and Section 10 for options e Installing Sample Lines Section 3 6 Installing Sample Line Particulate Filters Section 3 7 Installing Pump Exhaust Line Section 3 8 e Connecting AC Power Cord Section 3 9 e Wiring Relays Section 3 10 e Wiring Optional Current Loop 4 20 mA Output Section 3 11 e Loading Chemcassette Tape Section 3 12 Revision 9 02 08 CM4 Four Point Continuous Monitor 3 2 Components and Connections for Installation All of the sample line fittings and most electrical terminals for installing the CM4 are at the back of the instrument oC Jo Printer Figure 3 1 CM4 Back Panel Legend 1 Sample inlets and exhaust 6 COM port 2 Fuse 7 Printer port 3 Line power in 8 Current loop knockout 4 Power switch 9 Serial number label 5 Alarm wire panel knockouts CM4 Technical Manual 3 3 Honeywell 3 3 Surveying

CM4 Four-Point Continuous Monitor Technical Handbook

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