4ch Controller manual 7013227r
Contents
1. Maximum Allowable Line Length Sensidyne Document No 7013227M Rev H CHANNEL SELECT NEXT SELECT A UP DOWN NEMA fiberglass Mount to wall and attach conduit 11 2 QV x 12 8 x 6 3 284 mm W x 325 mm H x 160 mm D 10 0 Ibs 4 5 kg Designed to operate intrinsically safe SensAlert transmitters when installed with a Sensidyne L S barrier per wiring dia gram 0 to 45 C 32 F to 113 F 20 C to 45 C 4 F to 113 F 0 95 RH noncondensing 0 95 RH noncondensing up to 2000 meters 90 265 VAC 24 Vdc Battery Backup 20 26 Vdc AC 4 Amp 5 x 20 mm DC 3 Amp 3 AG fast blow 120 VAC 6A 240 VAC 3A 24 VDC 6A 60 watts Shielded twisted pair cable is recommended with shield con nected to earth ground or unshielded cable inside grounded conduit 4 20 mA current non isolated 2 wires 1 5 volts 14 18 AWG recommended 14 AWG maximum 2000 610 m for 100 Q termination resistance and for wire sizes larger than 18 AWG 37 APPENDIX D TROUBLESHOOTING GUIDE Cause Remedy e Unit does not function when attached to power Fuses s blown AC DC not connected to PCB AC not properly attached to TB9 DC polarity reversed Replace blown fuse with 3 8 Amp 3 AG fuse at F1 amp F2 for AC or 1 Amp 3 AG at F3 for DC Ensure proper connection to PCB at TB9 for AC or TB8 for DC Ensure that the HI2. 3 3 ENTERING A PASSWORD If a password has been set the screen shown in Figure 3 1 appears when the channel select button is pressed The Enter Password screen always appears in the Channel 1 LCD display The 1st digit on Line 2 is blocked out and ready to be entered To enter the 4 digit password follow the steps below 1 Use the AUP and vDOWN buttons to change the 1st digit to a number from 0 9 Press SELECT to enter the number 2 Repeat the procedure for the 2nd digit 3 Repeat the procedure for the 3rd digit 4 Repeat the procedure for the 4th digit When you press SELECT the entire 4 digit password is entered If the number entered matches the password you gain access to the Set Alarms Set Up and Diagnostics screens If the number does not match you are given two more chances to enter the correct password If the correct password is not entered on the third try access is de nied refer to Figure 3 1 25 SENSALERT FOUR CHANNEL CONTROLLER 3 4 ENTERING CALIBRATION MODE To enter calibration mode press the Reset button lo cated on the outside bottom of the unit for 5 seconds NOTE You cannot enter calibration mode when alarms are active The following screen appears 2 MIN CAL MODE RESET TO EXIT The screen indicates the number of minutes the alarms will be suppressed while calibration is being per formed 26 After time has elapsed all readings will be li
3. 61 60 VINOWINV 3NIHO HO v TANNVHO TANNVHO 141 6 TOA 64 N39AXO 2 TANNVHOD TANNVHO 8 332995 011 340 TVWHON 13 Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER OPERATOR BUTTONS CHANNEL Selects active channel SELECT N for programming d N Selects item from menu NEXT C Advances to next Menu SELECT A Accepts changed value a Scrolls up a menu list EN Scrolls d d list Scrolls down a menu lis A UP Increases value Y DOWN o Decreases a value SET ALARMS SCREEN MAIN SCREEN PASSWORD SCREEN Menu 2 CARBON MONOXIDE ENTER PASSWORD 2 SCROLL amp SELECT 5 PPM 000 0 v LO ALARM CHANNEL SELECT SELECT Line 1 Sensor Name Use A amp V buttons to set Lo Alarm Life a omi vaie code then press SELECT naam LO ALARM Resume Screen appears if password enabled R HI ALARM REFERS TO LO ALARM LATCH HI ALARM LATCH HIHI ALARM LATCH NEXT DIAGNOSTICS SCREEN SET UP SCREEN MAIN SCREEN MENU 4 Menu 3 CARBON MONOXIDE 4 SCROLL amp SELECT 3 SCROLL amp SELECT 5 PPM v SELF TEST lt v ENABLE DISABLE NEXT NEXT Self Test Relay Check Resume Enable Disable Set Cal Delay Change Password RS 485 Addr Alarm Latching Energize Relay Adjust Zero Resume
4. SECTION FIVE USING SET UP amp DIAGNOSTICS 5 1 Up Menu 3 o meo e ar e D o Hw LIRE ott dope 29 9 12 gt Enabl Disablea Channel uot ee emt e hate 29 5 132 Set Calibration Delay nee o gne dne pede 29 5 L5 hanging the Password Seb REC Pepe Pa esr iens 30 5 1 4 Changing the RS 485 2 30 5 1 5 Setting Alarm erteilen meia 32 5 k6 Energize Relay 2 iore tumet meer 32 51 72 Adjusting the Zero Point deni kon bards 32 5 2 Diagnostics Menu etie esi 33 5 d Sel Testis it enuresis leita dtp deste hoe dob teft 33 5 222 Relay Check s sace atio eatem ag recte eda Edid 33 SECTION SIX MAINTENANCE amp SERVICE 6 1 Adjusting the QuipUt ius stad ere ede thes ume diei e 34 6 2 Replacing the Power Supply are eerte 34 6 3 Replacing the Display PGB cerent te eere ren 35 6 4 Replacing the Bottom 35 SECTION SIX PARTS LIST s Controller Parts ayaa eas Nai aeter tenta ete 36 Sensidyne Document No 7013227M Rev 5 LIST OF FIGURES amp TABLES APPENDICES Appendix A Specifications General Specifications mie ttim 37 Appendix D Troubleshootin
5. CHANNEL SELECT CHANNEL SELECT button is used to access a nel for system programming NEXT The NEXT button has two funrctions Pushing the NEXT button during normal operation displays the current alarm settings for all 4 chan nels see Figure 1 2 e Pressing the NEXT button after selecting a channel moves you through the Set Alarm Set up and Di agnostics screens for that channel see figure 1 3 Sensidyne Document No 7013227M Rev H A UP amp DOWN AUP and vDOWN buttons have two purposes e scroll up or down different menu lists Each screen indicates which type of scrolling is available by displaying either an A or arrow When both arrows appear on the display up and down scrolling is available increase or decrease a value shown on the screen such as an alarm setting or a password code SELECT The SELECT button is used to select an item from a menu list after you have scrolled to that item using the AUP or YDOWN buttons The SELECT button also is used to accept a value after it has been changed e g a new alarm setting It is similar to the RETURN ENTER key on a keyboard 11 SENSALERT FOUR CHANNEL CONTROLLER 1 4 CONTROLLER MENUS Figures 1 2 and 1 3 show the primary controller screens Main Screen View Alarms 1 Set Alarms 2 Set Up 3 and Diagnostics 4 There is also an Enter Password screen that appears if a
6. Figure 1 3 Controller Menu System Individual Channel Screens 1 4 Sensidyne Document No 7013227M Rev H SECTION TWO INSTALLATION 2 1 MOUNTING amp WIRING The SensAlert Controller is designed to be wall mounted Four mounting feet are supplied The feet mount to the back of the enclosure and are secured to the unit by 10 32 screws 3 8 in length The feet must be positioned vertically refer to Figures 2 2 amp 2 3 The controller is wired to transmitters through EMT connectors positioned at the bottom of the enclosure The EMT connectors prevent moisture from entering the enclosure The controller must be wired using shielded twisted pair cable with the shield tied to earth ground to achieve maximum RFI EMI immunity NOTE Use only U L listed or recognized conduit hubs that have the same or better environmental rating as the enclo sure Conduit hubs must be connected to the conduit before being connected to the enclosure 2 1 1 Terminal Designations Wiring terminals are located on the Main bottom PCB They are designated as follows see Figure 2 1 Audible Alarm J5 The local alarm buzzer is factory wired The local alarm buzzer is located at the bottom of the controller hous ing on the outside of the case Reset Switch J4 The Reset Switch is factory wired The switch is located on the bottom of the controller housing on the outside of the case AC Power To Controller J2
7. SensAlert Four Non SensAlert Channel Controller Transmitter 3 Wire 24 1 10 uf 4 20 2 factory installed 22 3 TEES Note 1 NOTE 1 Twisted stranded wire with shield grounded on one end only is recommended Distance is in feet To obtain distance in meters multiply by 0 3 Figure 2 7 Wiring to a non SensAlert Transmitter without Intrinsic Safety Barrier Sensidyne Document No 7013227M Rev H SECTION THREE OPERATION 3 1 MAIN SCREEN 3 2 VIEWING ALARM SETTINGS Menu 1 The Main Screen is the default display for the controller during normal operation The Main Screen displays the gas name and gas concentration in ppm LEL or VOL An example screen is shown below CARBON MONOXIDE 10 PPM During alarm conditions Line 2 on the Main Screen also displays warning messages The following screen shows a low alarm condition CARBON MONOXIDE LO ALARM Additional messages include Loop Fail power failure Lo Alarm is occurring Hi Alarm is occurring HiHi alarm is occurring Lo Alarm Latch bas occurred Hi Alarm Latch bas occurred HiHi Alarm Latch bas occurred Sensidyne Document No 7013227M Rev H Pushing the NEXT button displays the Lo Hi and HIHI alarm settings for all 4 channels simultaneously The menu number appears in the upper left hand portion of each display 1 LO 25 50 75
8. The controller is wired to an AC power source through these terminals The terminal marked LO is used for the neutral AC wire The terminal marked HI is used for the hot AC wire The middle terminal is not used NOTE When wiring the controller to a permanent A C source the A C source circuit breaker and or switch must be approved The circuit breaker and or switch must be near the unitand marked as the disconnect device for the unit Sensidyne Document No 7013227M Rev H Transmitter Power To Sensors 8 11 This terminal is used to wire the controller to the transmitter A simplified wiring diagram showing how the controller is wired to the transmitter is shown in Figure 2 6 The terminals are wired as follows 24V wire connects to the Positive Power on the transmitter 4 20 mA IN signal wire connects to the 4 20 mA Signal Output terminal on the transmitter Power Return PWR RTN wire connects to the Power Return terminal on the transmitter 3 wire transmitters only 4 20 mA Output J6 4 20 mA output is available for external devices for each of the 4 channels Each output can be indepen dently changed from 4 20 mA to 1 5 Volts using the jumpers at JP1 JP4 In addition each channel output can be adjusted by potentiometers VR1 VR4 for increased accuracy 24 Vdc Battery Backup J3 A DC battery backup can be wired to controller The battery backup is wired as follows POS wire connect
9. 0 9 for 3rd digit CHANGE PASSWORD 37 0 N 4 Push SELECT to set number SELECT and move to 4th digit CHANGE PASSWORD 3740 0 Scroll through numbers DOWN 0 9 for 4th digit CHANGE PASSWORD 374 N 8 3 Push SELECT to set final digit _ 3 and accept new password code IT PASSWORD CHANGED TO 3748 Figure 5 1 Changing a Password Sensidyne Document No 7013227M Rev H 3 1 SENSALERT FOUR CHANNEL CONTROLLER 5 1 5 Setting Alarm Latching 3 SCROLL amp SELECT 4 ALARM LATCHING Use the vDOWN button to scroll down to Alarm Latch ing then press SELECT The currently set status Latched or Not Latched appears on the screen ALARM LATCHING v ENABLED ALARM LATCHING DISABLED Press either the AUP or YDOWN button to toggle be tween Latched or Not Latched Press SELECT to enter the new latching status To return to the main screen scroll down to Resume and press SELECT NOTE For oxygen sensors alarm latching differs from other sensors Latched Lo alarms supercede latched Hi alarms 32 5 1 6 Energize Relay 3 SCROLL amp SELECT ENERGIZE RELAY Use the vDOWN button to scroll down to Energize Re lay then press SELECT The currently set status Ener gize or De Energize appears on the screen ALARM RELAY ENERGIZE 4 ALARM RELAY DE ENERGIZE 4 Press either the AUP or WDOWN
10. G The Sensidyne SensAlert Controller is an integral part of the SensAlert Gas Monitoring System The SensAlert Controller housed in a NEMA 4X enclosure provides separate single pole double throw SPDT relays for each alarm condition plus one common relay for a fault condition It also serves as an interface when an event needs to be relayed to a peripheral device such as a building fire alarm system The SensAlert Control ler displays can display gas levels in either ppm vol or LEL depending on the installed sensor The power supply for the controller has been designed to operate at 90 265 VAC with the capability of add ing a 24 Vdc backup power supply Some of the features of SensAlert Four Channel Con troller include e Auto recognition of sensors e Hi HiHi amp Fault alarms e User selectable alarm levels e Three relay contacts per sensor e Lockout tagout designed case e RS 485 serial output e 4 20 mA 1 5 volt output Password protection 8 Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER 1 2 COMPONENTS 1 2 1 Controller Housing The NEMA 4X enclosure is made of high grade fiber glass reinforced polyester resin matting The enclosure provides a weather resistant and water resistant barrier between the internal electronics and the ambient envi ronment The controller cover is secured to the hous ing with 2 quick release latches Each latch has a small cir
11. J5 factory wired Fault Alarm energized in normal operation NO Normally Open NC Normally Closed Alarms Lo Hi amp each channel tl LENA yo EE EE 0 0 EL RS 485 functions to be determined by 0 EE 0 specific application mri 0 TET ua 0 mm N T T coy E51 0 i 0 L Transmitters PWR RTN for l 3 wire systems only 4 20 mA O Output Adjust Potentionmeters ga amp VR1 Channel 1 Aum VR2 Channel 2 E VR3 Channel 3 L gu E VR4 Channel 4 4 20 mA Output Circuit JP1 JP4 AC Power Source J2 D Jumpers installed 1 5 volts HOT Jumpers removed 4 20 mA Neutral PO eutra AC Fuse 4 amp FS1 li POWER SUPPLY DC Connector to PCB AC connector e Safety Ground install ground wire from power source here 24 VDC Battery DC Fuse 3 amp F1 Back Up J3 Figure 2 1 Controller Wiring Bottom PCB Sensidyne Document No 7013227M Rev H 1 7 SENSALERT FOUR CHANNEL CONTROLLER 2 2 WIRING PROCEDURE Mount the controller to the wall using the four mounting feet provided The feet are positioned verti cally and then mounted to the back of the controller housing with four 10 32 screws see Figure 2 2 Secure the controller housing to the wall wit
12. Serial Mode TEN RTU xj 9600 baud Dn 2 wire EE 9600 baud lop RERUM 8 bits p No Parity 90 Bits tie trenes 1 Stop Bit Duplex Modes Half Duplex Modbus Addresses CH 1 CH 2 CH 3 CH 4 Read Write Description 40033 40034 40035 40036 Read only Gas Type Integer 40001 40003 40005 40007 Read only Gas Value Floating Point 40009 40011 40013 40015 Read Write Low Alarm Set Point Floating Point 40017 40019 40021 40023 Read Write High Alarm Set Point Floating Point 40025 40027 40029 40031 Read Write Hi Alarm Set Point Floating Point 000002 000003 000004 000005 Read Write Alarm Latching Bit 000006 000007 000008 000009 Read Write Channel Disable Bit 000001 000001 000001 000001 Write only Reset Bit 40 Modbus Function Codes decimal Code Description 01 Read Coil Status 03 Read Hold Registers 05 Force Single Coil 06 Preset Single Register 15 Force Multiple Coils 16 Preset Multiple Registers Sensidyne Document No 7013227M Rev H EE 1 SEIU SIS ie Sensidyne LP 1000 112th Circle N Suite 100 St Petersburg Florida 33716 USA 800 451 9444 727 530 3602 Fax 727 539 0550 web www sensidyne com e mail info sensidyne com ARTERTE NAGEMENT
13. block Figure 2 4 Terminal Wiring Guide 20 Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER 2 3 INITIAL START UP After controller wiring has been completed make cer 5 tain the transmitter has been properly wired to the con troller and that no sensor is installed in the transmitter Sensor should be installed in the transmitter AFTER the transmitter has been powered up 1 Check Figure 2 5 If an optional intrinsic safety bar rier is used make certain it is properly wired 2 Apply power to the controller During start up a series of warning and self test screens appear fol lowed by Channel Disabled displayed in each of the 4 channel displays Tbis is expected All units are sbipped from tbe factory witb tbeir cbannels disabled Tbis is to avoid a Missing Sensor fault witb au dible alarm during initial start up 3 Once the controller and transmitters have been powered up install sensors in the transmitters 4 Press CHANNEL SELECT to bring up the Set Alarms screen 2 Scroll amp Select Lo Alarm for Chan 6 nel 1 7 Sensidyne Document No 7013227M Rev H Enable each channel as follows a Press the NEXT button to move to the Set Up screen Menu 3 b Press SELECT to choose Enable Disable this item is always shown first when going to the Set Up screen The screen will show Dis abled C Press the vDOWN button to change the status to
14. button to toggle be tween Energize or De Energize then press SELECT to enter the new relay status return to the main screen scroll down to Resume and press SELECT 5 1 7 Adjusting the Zero Point 3 SCROLL amp SELECT ADJUST ZERO Use the vDOWN button to scroll down to Adjust Zero then press SELECT NOTE Adjusting zero for oxygen sensors sets the display to 20 9 vol To return to the main screen scroll down to Resume and press SELECT Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER 5 2 DIAGNOSTICS Menu 4 Several diagnostic tests are performed from this screen These include a Self Test similar to the self test conducted during initial start up and the Relay Check To perform diagnostics push the NEXT button several times until you reach the Diagnostics Screen Screen 4 You may have to enter a password to get to this screen 5 2 1 Self Test 4 SCROLL amp SELECT v SELF TEST The unit performs tests on the hardware and software from this screen Press SELECT to choose Self Test this item is always shown first when going to the Diagnostics Screen If the test is successful the unit shows the next diag nostics screen Relay Check If the self test is unsuc cessful the screen displays one or both of the follow ing screens HARDWARE FAULT RETURN UNIT SOFTWARE FAULT RETURN UNIT If the unit fails the sel
15. the channel will show the following screen CHANNEL DISABLED To return to the main screen scroll down to Resume and press SELECT Sensidyne Document No 7013227M Rev H 5 1 2 Set Calibration Delay 3 SCROLL amp SELECT v SET CAL DELAY Press SELECT to choose Set Cal Delay The current de lay minutes is shown on the screen SET CAL DELAY 4 2MINUTES i Use the AUP or YDOWN buttons to change the calibra tion delay time The delay time can range from 1 min utes to 30 minutes SET CAL DELAY 4 5MINUTES i When the desired delay time is displayed on the screen press SELECT To return to the main screen scroll down to Resume and press SELECT 29 SENSALERT FOUR CHANNEL CONTROLLER 5 1 3 Changing the Password The unit is shipped from the factory with the password disabled You can enable password protection anytime by changing the password code from its default setting 0000 to any number from 0001 to 9999 To disable the password simply reset the password code back to 0000 To change the password refer to Figure 5 1 and follow the steps below 1 Using vDOWN button scroll to Change Pass word and press SELECT 3 SCROLL amp SELECT CHANGE PASSWORD 2 The screen shows the current password The 1st digit is blocked out and ready to be changed Use the AUP or YDOWN buttons to change the 1st digit to a number from 0 9 Press SELECT to set the num
16. the information disclosed within nor any part shall be reproduced or transferred physi cally electronically or in any form or used or disclosed to others for manufacturing or for any other purpose except as specifically authorized in writing by Sensidyne LP COPYRIGHT NOTICE 2002 2008 Sensidyne LP All rights reserved Information contained in this document is protected by copyright No part of this document may be photocopied reproduced or translated to another program or system without prior written authorization from Sensidyne LP TRADEMARK NOTICE Sensidyne the Sensidyne logo SensAlert and the SensAlert logo are registered trademarks of Sensidyne LP SensAlarm is a trademark of Sensidyne LP The trademarks and service marks of Sensidyne LP are protected through use and registration in the United States SOFTWARE LICENSE The software included with the SensAlert is the property of Sensidyne LP and shall remain the property of Sensidyne LP in perpetuity The soft ware is protected by U S and international copyright laws and is licensed for specific use with the SensAlert Four Channel Controller The user may NOT reverse engineer disassemble decompile or make any attempt to discover the source code of the software The software may NOT be translated copied merged or modified in any way The user may NOT sublicense rent or lease any portion of the software The right to use the software terminates automatically if any p
17. the vDOWN button cancels your action Press ing the AUP button resets the Lo Hi and HiHi alarms to their default settings A confirmation screen appears showing the default settings see below LO HI 25 50 75 To return to the main screen scroll down to Resume and press SELECT Sensidyne Document No 7013227M Rev H SECTION FIVE USING SET UP amp DIAGNOSTICS 5 1 SET UP Menu 3 The Set Up Screen 3 appears in the upper left hand portion of the display allows you to change the fol lowing SensAlert features e Enable or Disable a channel e Change the calibration delay time e Enable or change the password code e Set the RS 485 address e Set alarm relays to latching or non latching e Adjust the zero point Push the NEXT button several times until you reach the Set Up screen you may have to enter a password to get to this screen 5 1 1 Enable Disable a Channel 3 SCROLL amp SELECT ENABLE DISABLE Press sELECT to choose Enable Disable this item is al ways shown first when going to the Set Up screen The current status for that channel is shown on the screen Use the AUP or YDOWN buttons to toggle between abled and Disabled Press SELECT to set the new channel status If the channel status is changed from disabled to enabled the channel will show a normal operation screen If the channel is changed from en abled to disabled
18. 2 VR3 amp JP3 Channel 3 VR4 amp JP4 Channel 4 When a jumper is installed the output ranges from 1 to 5 volts When a jumper is removed the output ranges from 4 to 20 mA Turning the potentionmeter clockwise increases the output level while turning the potentiometer counter clockwise decreases the output level The output level is read at the user s DCS device 34 The Power Supply Board is attached to the Bottom PCB It should be replaced if it is damaged or defective Make certain all power is removed from the controller when performing this procedure Refer to Figure 2 1 and replace the Power Supply Board as follows 1 Unlatch and open the controller enclosure cover 2 Remove the two 2 right side mounting screws 3 Swing open the Display PCB 4 Disconnect the DC connector on the left side of the Power Supply Board 5 Disconnect the AC connector on the right side of the Power Supply Board 6 Remove the four 4 mounting screws on the Power Supply Board 7 Remove the defective board 8 Install the new Power Supply Board 9 Install the four 4 mounting screws 10 Reconnect the DC and AC connectors 11 Swing close the Display 12 Install the two 2 mounting screws 13 Close and latch the controller cover Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER 6 3 REPLACING THE DISPLAY PCB 6 4 REPLACING THE BOTTOM PCB The Display PCB is attached t
19. AC line is connected to Pos 3 and the Low AC line is connected to Pos 1 Ensure polarity at TB8 and replace fuse at F3 1 Amp 3 Transmitter does not function Transmitter improperly wired 3 wire transmitter requires more than 100 mA of current to operate Ensure proper connection at TB5 Replace with compatible transmitter Front panel ligths and display do not function Loose connection on ribbon cable Power Supply not functioning Microporcessor corrupted Ensure proper connection at J1 on front panel and J2 on back panel See Unit does not function when attached to power Replace microprocessor e Alarm not sounding Alarm beeper not connected to PCB Ensure connection at TB11 and secure screw terminals on breeper RS 485 Test returns a Port Not Functioning message Normal message unless custom software was factory installed No action needed Continuous Buzzer Sounding and Fail Relay activated Circuit failure Replace controller Unit does not recognize sensor Not SensAlert or SensAlert Plus transmitters 4 20mA communications mode not enabled on transmitters 38 Features only available with SensAlert SensAlert Plus and SensAlert ASI transmitters Ensure jumper in place on SensAlert SensAlert Plus and SensAlert ASI verify menu setting Sensidyne Document No 7013227M Rev H APPENDIX E
20. Enabled Press SELECT to enable the channel d Press CHANNEL SELECT to bring up the Set Alarms screen for Channel 2 e Repeat Steps 5 5 for each of Channels 2 3 amp 4 that are to be used D When all channels which are to be used have been enabled press CHANNEL SELECT until the unit returns to the Main Screen The unit will perform channel initialization for each of the 4 channels After initialization the unit will begin Normal Operation If you want to adjust the output at this point go to Section 6 1 21 SENSALERT FOUR CHANNEL CONTROLLER 22 2 WIRE TRANSMITTER WIRING DIAGRAM Maximum wire length is 2000 feet for all wire sizes SensAlert Flour lt lt SAFE AREA HAZARDOUS AREA SensAlert Transmitter Channel Controller 2 Wire 24V nom Sensidyne 24V 1 1 8 Barrier 4 20 mA P N 7013263 4 20 mA 2 CABLE PARAMETERS BARRIER NOTES Output current must be limited by a resistor such that the output voltage vs If electrical parameters of cable unknown use 60 pf ft 0 2 1 current plot is a straight line between Voc and lsc Terminals V 1 L Barrier must be installed as instructed by manufacturer erminals max max i i Selected barrier intrinsically safe circuits shall be approved for Class Groups A B C D and Class Il Groups F 1 2 30Vde 129 mA 013 uF 1 1 mH Terminate barrier earth groun
21. RETURNED MATERIAL AUTHORIZATION Sensidyne maintains an instrument service facility at the factory to provide its customers with both war ranty and non warranty repair Sensidyne assumes no liability for service performed by personnel other than Sensidyne personnel To facilitate the repair process please contact the Sensidyne Service Department in advance for assistance with a problem which cannot be remedied and or requires the return of the product to the factory All returned products require a Re turned Material Authorization RMA number Sensidyne Service Department personnel may be reached at Sensidyne 1000 112th CIRCLE N SUITE 100 ST PETERSBURG FL 33716 USA 727 530 3602 727 539 0550 FAX All non warranty repair orders will have a minimum fee whether the repair is authorized or not This fee includes handling administration and technical ex penses for inspecting the instrument and providing an estimate However the estimate fee is waived if the repair is authorized If you wish to set a limit to the authorized repair cost state a not to exceed figure on your purchase order Please indicate if a price quotation is required before authorization of the repair cost understanding that this invokes extra cost and handling delay Sensidyne s repair policy is to perform all needed re pairs to restore the instrument to its full operating condition Repairs are handled on a first in first out basis Your order ma
22. SENSALER I FOUR CHANNEL CONTROLLER Document No 7013227M Revision H e SENSALE AALER I LO HI HIHI 19 3 VOL 9 LEL LO Hi LO HIHI nile e ME 0 3 PPM 19 PPM SEIU DIEZ Y IVE fe Ead dg ED p OELZFWIOBBLJFEF Sensidyne LP 1000 112th Circle N Suite 100 St Petersburg Florida 33716 USA 800 451 9444 727 530 3602 Fax 727 539 0550 web www sensidyne com e mail info sensidyne com PACKING LIST amp NOTICES The items listed below are shipped with the SensAlert Four Channel Controller 4 20 mA controller with built in readout displays housed in a NEMA fiberglass enclosure Operation and Service Manual Always check to make certain you have received all of the items listed above If you have any questions or need assistance contact your Sensidyne Representative or call 800 451 9444 or 727 530 3602 PROPRIETARY NOTICE This manual was prepared by Sensidyne LP exclusively for the owner of the SensAlert Four Channel Controller The material within this manual is the proprietary information of Sensidyne LP and is to be used only to understand operate and service the instrument By receiving this docu ment the recipient agrees that neither this document nor
23. SensAlert Four SensAlert Transmitter Channel Controller 2 Wire e S m 24V 1 4 20 mA 2 3 WIRE TRANSMITTER WIRING DIAGRAM Maximum Wire Length AWG 24 22 20 18 3 Wire CMB 1500 2500 4000 6000 3 Wire Toxic 4000 6000 10 000 3 Wire Digital 750 1250 2000 3500 3 Wire IR 1500 2500 SensAlert Four SensAlert Transmitter Channel Controller 3 Wire I 241 1 4 20 2 w PWR RTN 3 n ee Note 1 NOTE 1 Twisted stranded wire with shield grounded on one end only is recommended Distance is in feet To obtain distance in meters multiply by 0 3 Figure 2 6 Wiring to a SensAlert Transmitter without Intrinsic Safety Barrier Sensidyne Document No 7013227M Rev H 23 SENSALERT FOUR CHANNEL CONTROLLER 24 2 WIRE TRANSMITTER WIRING DIAGRAM Maximum Wire Length AWG 24 22 20 18 2 Wire Toxic 7500 10 000 SensAlert Four Non SensAlert Channel Controller Transmitter 2 Wire 24 1 E 4 20 mA 2 2 installed see Note 1 3 WIRE TRANSMITTER WIRING DIAGRAM Maximum Wire Length AWG 24 22 20 18 3 Wire CMB 1000 2000 3000 5000 3 Wire Toxic 3000 5000 8000 3 Wire Digital 500 750 1250 2000 3 Wire IR 1000 1750
24. art of this license is violated DISCLAIMER SENSIDYNE LP ASSUMES NO RESPONSIBILITY WHATSOEVER TO ANY PARTY WHOSOEVER FOR ANY PROPERTY DAMAGE PERSONAL INJURY OR DEATH RECEIVED BY OR RESULTING FROM IN WHOLE OR IN PART THE IMPROPER USE INSTALLATION OR STORAGE OF THIS PRODUCT BY THE USER PERSON FIRM ENTITY CORPORATION OR PARTY NOT ADHERING TO THE INSTRUC TIONS AND WARNINGS OR NOT ADHERING TO ALL FEDERAL STATE AND LOCAL ENVIRONMEN TAL AND OCCUPATIONAL HEALTH AND SAFETY LAWS AND REGULATIONS THE SELLER SHALL NOT BE LIABLE FOR DIRECT INDIRECT CONSEQUENTIAL INCIDENTAL OR OTHER DAMAGES RESULTING FROM THE SALE AND USE OF ANY GOODS AND SELLER S LIABIL ITY HEREUNDER SHALL BE LIMITED TO REPAIR OR REPLACEMENT OF ANY GOODS FOUND DE FECTIVE THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED IN CLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR USE OR FOR A PARTICULAR PURPOSE WHICH ARE EXPRESSLY DISCLAIMED Sensidyne Document No 7013227M Rev H 3 CONTENTS PREFACE s Packing List NOCES si aote be em Hem ibt e een tiles 3 S WARNINGS tdv ean detin edente oai ls ta YES REESE E I 7 SECTION ONE INTRODUCTION 1 1 Gode ev te t ees bes psu est e erede es 8 1 2 9 1221 Controller Housi
25. ber 3 Repeat the procedure for the 2nd digit 4 Repeatthe procedure for the 3rd digit 5 Repeat the procedure for the th digit When you press SELECT the entire 4 digit password is now set A confirmation appears showing you the new pass word 30 5 1 4 Setting the RS 485 Address 3 SCROLL amp SELECT RS 485 ADDR Use the vDOWN button to scroll down to RS 485 Ad dress and then press SELECT The current RS 485 ad dress is displayed on the screen RS 485 ADDR IS A 2 Use the AUP or YDOWN buttons to change the RS 485 address The RS 485 address can range from 0 to 15 Press SELECT to enter the new address NEW RS 485 ADDR 13 To return to the main screen scroll down to Resume and press SELECT Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER Push SELECT to begin procedure T 3 SCROLL amp SELECT CHANGE PASSWORD CHANGE PASSWORD W000 0 SELECT T CHANGE PASSWORD 3 Scroll through numbers 0 9 for 1st digit Push SELECT to set number SELECT and move to 2nd digit V CHANGE PASSWORD 3 00 0 Scroll through numbers Y DOWN 0 9 for 2nd digit CHANGE PASSWORD 3 00 7 Push SELECT to set number SELECT move to 3rd digit 4 CHANGE PASSWORD 370m0 0 Scroll through numbers Y DOWN
26. cular knockout that allows the case to be locked or tagged to prevent unauthorized entry Reset switch is located on the bottom of the con troller housing refer to Figure 2 1 The switch can be used to 1 unlatch a latched alarm 2 silence a local Lo Alarm or 3 enter Calibration Mode when pressed for 5 seconds The Alarm Buzzer is located on the bottom of the controller housing next to the cable glands The alarm buzzer is used for the Local Alarm 1 2 2 Display PCB The Display PCB contains the large 3 digit LED dis plays the LCD displays and the operator buttons that control the menu system The Display PCB connects to the Bottom PCB via a 20 pin flex cable The com ponents on the Display PCB are described as follows Liquid Crystal Display The Liquid Crystal Display LCD is a 16 character 2 line display located behind the front cover of the con troller enclosure see Figure 1 1 During normal op eration the display shows the gas name and gas con centration in ppm LEL or vol for the sensor in stalled at the transmitter The display is also used for viewing and changing various features of the controller e g alarm settings passwords etc During alarm and fault conditions the display shows status messages on Line 2 describing the nature of the condition e g Lo Alarm Missing Sensor etc Operator Buttons The 5 Operator Buttons a control the menu system The menu system allows
27. d and understand ALL warnings before using this product Failure to read understand and comply with ALL warnings could result in property damage severe personal injury or death Read and understand ALL applicable Federal State and Local environmental health and safety laws and regulations including OSHA Ensure complete compliance with ALL applicable laws and regulations before and during use of this product UNDER NO CIRCUMSTANCES should this product be used except by qualified trained techni cally competent personnel and not until the warnings Operation and Service Manual labels and other literature accompanying this product have been read and understood This product should NOT be used in any way other than specified in this manual DO NOT remove cover or alter any label or tag on this product its accessories or related products DO NOT operate this product should it malfunction or require repair Operation of a malfunc tioning product or a product requiring repair may result in serious personal injury or death DO NOT attempt to repair or modify the instrument except as specified in the Operation and Service Manual Contact the Sensidyne Service Department to arrange for a Returned Material Authorization RMA ONLY use genuine SENSIDYNE replacement parts when performing any maintenance procedures provided in this manual Failure to do so may seriously impair instrument performance Repair or alteration of the produc
28. d to the ground bus of the power distribution panel Resistance to ground must be greater than one ohm Class I Div 1 Grps A B C D Class II Div 1 Grps E F G Vmax 2 Voc Ci cable lt Ca barrier NOTE All intrinsically safe wiring shall be kept separate from all other wiring Use of Imax Lj cable lt La barrier cable tray or conduit accetable Refer to Article 504 of the National Electrical Code 3 WIRE TRANSMITTER WIRING DIAGRAM AWG 24 22 20 18 3 Wire CMB 50 75 100 200 3 Wire Toxic 1500 2000 2000 2000 SensAlert Four lt lt SAFE AREA HAZARDOUS AREA SensAlert Transmitter Channel Controller 3 Wire 24V nom Sensidyne 24V 1 4 20 mA 1 8 Barrier P N 7013263 4 20 2 RTN NOTE All intrinsically safe wiring shall be kept separate from all other wiring Use of cable tray or conduit accetable Refer to Article 504 of the National Electrical Code NOTE 1 Twisted stranded wire with shield grounded on one end only is recommended Distance is in feet To obtain distance in meters multiply by 0 3 Figure 2 5 Wiring to a SensAlert Transmitter with Intrinsic Safety Barrier Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER 2 WIRE TRANSMITTER WIRING DIAGRAM Maximum Wire Length AWG 24 22 20 18 2 Wire Toxic 10 000
29. der e Set Alarm Latching latched vs unlatched e Energize Relay e Adjust the Zero Point Diagnostics Menu 4 The Diagnostics screen contains routines that check the state of the controller These include a Self Test simi lar to the self test conducted during initial start up and an Alarm Relay Check Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER TANNVHO I TANNVHO WavivolA 193155 110895 THNNVHO L I3NNVHO 10313S T3NNVHO TANNVHO 109135 110995 TANNVHO TANNVHO 1 I3NNVHO THNNVHO I L I3NNVHO 124135 TANNVHO I TANNVHO 123135 110825 TANNVHO 26 5 nus 19j 041005 omi 123135 110895 2 TANNVHO TANNVHO 199135 TANNVHO 2 TANNVHO TANNVHO LO314S 193135 TANNVHO 39NVN31NIVII 1124145 uay jes 0 wasn 1997135 N 0000 P QHOMSSVd H3 LN3 TANNVHO pejgeue j sueadde 125 6 1 01 8343H 06 0 0 Gt 01 90 IHIH Ol 011 1 I3NNVHO 0S 00 01 0c OL IHIH Ol 1 1 TANNVHO L T3NNVHO SONILLIS MIIA 10sues z eur wey 105 6 eur
30. e from the Bottom PCB 5 Remove the terminal plugs from terminals J2 through J12 as appropriate Remove the ground ing wire and washers 6 Unscrew all four 4 standoffs Remove the lockwasher and flat washer from each post 7 Remove the defective Bottom PCB 8 Install the new Bottom PCB 9 Place a flat washer and lock washer over each mounting post Install the grounding wire and washers 0 Install the four 4 standoffs Make certain the hinged standoffs are installed on the left side 11 Replace the terminal plugs removed earlier 12 Align the left hand mounting holes of the Display PCB over the hinged standoffs 13 Install two 2 of the mounting screws Make cer tain the screws are properly inserted into the hinged standoffs 14 Swing open the Display PCB and connect the rib bon cable to the new Bottom PCB 15 Swing the Display PCB closed and install the re maining two 2 mounting screws 16 Close and latch the controller cover 35 SECTION SEVEN PARTS LIST CONTROLLER PARTS Part No Item Description 7013227 1 SensAlert Four Channel Controller Base Unit 7010650 4 Ribbon Cable Assembly 8 7013230 1 Display PCB Top Board 7013226 1 Bottom PCB 7017350 AC Power Supply Board 7013243 Controller Housing 7017160 Standoff 10 32 x 4 1 2 7017161 Standoff Hinged 7017129 2 Terminal Plug 2 position 7017129 3 Terminal Plug 3 position 7017129 4 Terminal Plug 4 positi
31. f test contact Sensidyne Service See Appendix E for information on returning products for repair return to the main screen scroll down to Resume and press SELECT Sensidyne Document No 7013227M Rev H 5 2 2 Relay Check 4 SCROLL amp SELECT RELAY CHECK The alarm and fault relays are mechanically checked from this screen WARNING Any external alarms wired to these relays will sound during the relay check It may be advisable to disconnect all alarms prior to running this test Use the vDOWN button to scroll down to Relay Check and press SELECT The unit checks each of the alarm and fault relays while showing the following series of screens IMPORTANT This test will change the state of each relay for 1 second depending on whether the relay is set for energized or de energized operation It is up to you to monitor the relay outputs to determine if the test is successful RELAY CHANNEL 1 LO ON RELAY CHANNEL 1 HI ON RELAY CHANNEL 1 HIHI ON FAIL RELAY ON To return to the main screen scroll down to Resume and press SELECT 33 SECTION SIX MAINTENANCE amp SERVICE 6 1 ADJUSTING THE OUTPUT 6 2 REPLACING THE POWER SUPPLY The output can be adjusted at any time using the po tentiometers located on the Bottom PCB The potentionmeters and associated jumpers are listed below amp JP1 Channel 1 VR2 amp JP2 Channel
32. g A Password Sensidyne Document No 7013227M Rev H 2 7 SECTION FOUR CHANGING ALARM SETTINGS The Set Alarms screen 2 allows you to change the Lo Hi and Hi Hi alarm settings as well as set the alarms to their default factory set values To change the alarm settings first push the channel se lect button You may encounter an Enter Password screen if a password has been set A Set Alarms Screen appears in the Channel 1 display a 2 appears in the upper left hand portion of the display see below To access the Set Alarms screen for Channel 2 push the channel select button again Push it a third time to ac cess the Set Alarm screen for Channel 3 and again to reach Channel 4 2 SCROLL amp SELECT v LO ALARM Use vDOWN button to scroll down to the Lo or HiHi alarm setting you want to change Note There is no alarm for oxygen sensors Press SELECT The screen displays the current alarm setting LO ALARM 4 25 PPM Use the AUP and vDOWN buttons to change the setting LO ALARM 4 30 PPM 28 Press SELECT to enter the new setting A screen appears showing the new alarm setting LO 30 50 75 Repeat this procedure for each alarm you wish to change To change all alarms to their default settings scroll to Default Alarms and press SELECT A screen appears to confirm your action SET TO DEFAULTS UP YES DOWN NO Pressing
33. g Guide Troubleshooting G ide 2 td tee eda tte iet 38 Appendix E Returned Material Authorization e Returned Material Authorization 39 e Service OPONSE E E AA ed greet OT e d Cen e qe PRG RE dep et ee 39 LIST OF FIGURES Section One Introduction ld Display E fo ra 10 12 Controller Menu System Main Screens eee 13 13 Controller Menu System Individual Channel Screens sess 14 Section Two Installation 2 1 Controller Wiring Bottom PCB 17 2 2 Attaching the Mounting Feet ied Ud te dem dida den 18 2 3 Controller Mounting dateien eei reiecit 19 24 Terminal Wiring Guide aa cete teret eee ret te e ee v EET needs 20 25 Wiring to a SensAlert Transmitter with Intrinsic Safety 22 2 6 Wiring to a SensAlert Transmitter without Intrinsic Safety Barrrier 23 2 7 Wiring to a non SensAlert Transmitter without Intrinsic Safety Barrrier 24 Section Three Operation Ad Entering Password date duet edt E ee eei 27 Section Five Using Set Up amp Diagnostics 9 1 Changing a Password esce dee EG 31 1 Sensidyne Document No 7013227M Rev WARNINGS PAN READ AND UNDERSTAND ALL WARNINGS BEFORE USE Rea
34. h the ap propriate anchoring hardware The mounting dimen sions are shown in Figure 2 3 Wire the controller according to the terminal designa tions described in Section 2 1 1 and shown in Figure 2 1 Wire the controller as follows refer to Figures 2 1 2 4 2 5 2 6 amp 2 7 1 Open the quick release latches on the controller housing and open the cover 2 Unscrew the two right hand mounting screws on the Display PCB and swing it to the left the board is attached to 2 hinged standoffs 3 Locate a terminal block you wish to wire 4 Remove the terminal plug from the terminal block Figure 2 4 A 5 Insert a terminal wire into the plug Figure 2 4 B Note Wires are inserted in tbe side of 2 5 4 position terminal plugs and in tbe top of 8 and 12 position terminal plugs 6 Secure the wire by tightening the terminal screw with a small flat blade screwdriver Figure 2 4 C 7 Complete Steps 5 amp 6 for the remaining wires for that terminal plug 8 Replace the terminal plug on the terminal block Figure 2 4 D 9 Complete Steps 3 8 for the remaining terminal blocks Make certain you install the ground eartb wire under the lower level washer on the safety ground terminal Terminate the shields of the transmitter cable under the upper level washers on the ground terminal 10 Install the ground wire earth to safety ground see Figure 2 1 11 Close the Display PCB and secure it with
35. ng tee b ere tete 9 1 222 Display ido are tag bieten 9 1 2 3 Bottom PCB sins ihe ee perpe de deiade tatem iade 9 1 3 Operator BUttODs suspen e d erre d pe Pi t Pe ep nid Put er c sero n apetece 11 1 4 Controller Sereens ai aiibi 12 LAI SysteniScreens cobi bi ed tin bte rt trm etit 12 1 42 Channel S reens eee de ete ete e dea o 12 SECTION TWO INSTALLATION 2 1 Mounting amp Wiring cem eso eei ete pin teo ero adr eR 15 Zid Terminal Designations oo deu ec t GERE 15 21 2 bb tine i do tbe ee 16 Del Bie ces cose edet een eee eU dd 16 2 14 Potentiometeks snc atte od teretes bea e bare diet 16 2 2 WMiting Procedutre utter en delete beaten 18 2 3 eet edt pp ttl 21 4 Sensidyne Document No 7013227M Rev H SECTION THREE OPERATION 3 1 Main Sereen do Bog ee SU eo QU epo d de ro d teet 25 3 2 View Alarm Settings Menu T bru eteeta mee 25 3 3 Entering a Passwords epe d ee Reb deeds date abeft edes 25 3 4 Entering Calibration et ea Ee Ee ete 26 SECTION FOUR CHANGING ALARM SETTINGS Changing Alarmi Seting S are a E O tala e er den 28
36. o be nor mally de energized DE ENERGIZED Normal NO No Alarm RS 485 Output J7 The RS 485 Output terminals are designated as fol lows VCC A B GND Exact RS 485 functions to be determined for specific applications 2 1 2 Jumpers 1 5 Volt Output Select JP1 JP4 The analog output signal from the controller to an ex ternal device is factory set for 1 5 volts This allows output to a chart recorder or computer based recorder device The jumpers are designated as follows JP1 Channel 1 JP2 Channel 2 JP3 Channel 3 JP4 Channel 4 Removing the jumper changes the output to 4 20 mA for any channel using external termination 2 1 3 Fuses e AC Fuse 4 amp fast blow Location FSI DC Fuse 3 amp fast blow Location F1 2 1 4 Potentiometers The accuracy of the analog output signal from the controller can be adjusted by VR1 VR4 Clockwise ad justments increase the output level for that specific channel Counterclockwise adjustments decrease it The potentiometers are designated as follows VRI Channel 1 VR2 Channel 2 VR3 Channel 3 VR4 Channel 4 Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER Output to External Device J6 4 20 mA or 1 5 V Reset Switch J4 factory wired r Audible Alarm
37. o four 4 metal stand offs in the controller enclosure It should be replaced when it is damged or is defective Make certain all power is removed from tbe controller wben performing this procedure Refer to Figure 1 1 and replace the Display PCB as fol lows 1 Unlatch and open the controller enclosure cover 2 Unscrew the four 4 mounting screws on the Dis play PCB 3 Partially remove the Display PCB 4 Disconnect the ribbon cable from the bottom of the Display PCB 5 Remove the defective Display 6 Connect the ribbon cable to the bottom of the new Display PCB 7 Align the left hand mounting holes of the Display PCB over the hinged standoffs 8 Install two 2 of the mounting screws Make cer tain the screws are properly inserted into the hinged standoffs 9 Swing the Display PCB closed and install the re maining two 2 mounting screws 10 Close and latch the controller cover Sensidyne Document No 7013227M Rev H The Bottom PCB is attached to four 4 metal stand offs in the controller enclosure It should be replaced when it is damged or is defective Make certain all power is removed from tbe controller wben performing this procedure Refer to Figure 1 1 and replace the Bottom PCB as fol lows 1 Unlatch and open the controller enclosure cover 2 Unscrew the four 4 mounting screws on the Dis play PCB 3 Partially remove the Display PCB 4 Disconnect the ribbon cabl
38. on 7017196 8 Terminal Block amp Plug 8 position 7017196 12 Terminal Block amp Plug 12 position 7017134 Alarm Beeper 209 0001 01 Fuse 4 Amp fast blow 3619906 06 Fuse 2 1 2 Amp fast blow 7017163 3 4 EMT Connector 3615099 2 Reset Switch 7013227M Operation amp Service Manual 7013263 Intrinsic Safety Barrier 3 wire 7013282 1 8 Barrier Mounting Rail holds 4 barriers 7013283 1 8 Barrier Enclosure assembled with DIN rails hold 8 barriers 3 6 Sensidyne Document No 7013227M Rev H APPENDIX SPECIFICATIONS SPECIFICATIONS General Specifications Operator Buttons vies ise see tee ien HOUSING Mounting Requirement 22 22222222 Overall Dimensions eee Classification Intrinsic Safety Rating eee Environmental Specifications Operating Temperature Range Storage Temperature Range Operating Humidity Range Storage Humidity Range Electrical Electronic Specifications Power Input Requirements BUSES iet otv E e een ts ty Alarm Contact Rating 1 2222 Maximum Power Consumption Grounding ree aee es Transmission CIEGO GE os soe ster ite
39. password has been set The CHANNEL SELECT and NEXT buttons are used to navigate through the menu screens 1 4 1 System Screens Main The Main Screen is the primary screen during normal operation It displays the gas name and gas concentra tion ppm LEL or VOL During alarm or fault conditions the Main Screen displays warning messages on Line 2 These messages are shown in Figure 1 3 View Alarms 1 The View Alarms Screen shows the current settings for the Lo Hi and HiHi alarms This screen is always avail able whether or not a password has been set The alarm settings can be viewed by pressing the NEXT but ton during normal operation Enter Password This screen appears after you press the CHANNEL SE LECT button and a password has been set You must enter a valid 4 digit password to access the Set Alarms Set Up and Diagnostics screens in any of the 4 chan nels The unit is shipped from the factory without a password 12 1 4 2 Channel Screens The following screens are available for each of the four controller channels Set Alarms Menu 2 This screen allows you to change the Lo Hi and Hi Hi alarm settings It also lets you set the alarms to their de fault factory set values Set Up Menu 3 The Set Up Screen allows you to change the following SensAlert features e Enable Disable a Channel e Set Calibration Delay e Change the Password e Change the RS 485 Address custom or
40. s to the positive terminal on a 20 26 Vdc battery backup RTN Power Return connects to the negative terminal on a 20 26 Vdc battery backup There is fuse diode protection incorporated within the unit such that reversing the wiring of the backup sup ply will not do any damage but will merely burn out the fuse The backup supply must have an output of 20 26 Vdc 2 1 2 amp 15 SENSALERT FOUR CHANNEL CONTROLLER Fault Relay J12 The Fault Alarm Relay 712 acts in common to all four channels and the system It is factory set default to be energized during normal operation The markings at J12 reflect this intention Therefore unless the op eration is changed by the user the fault relay s SPDT Form C contact acts as follows ENERGIZED Normal NC COM amp NO No Alarm Alarm Relays J8 J11 Each channel has a set of 3 alarm relays which act in accordance with the settings for their channel These relays each have one SPDT Form C contact Unless the factory setting default of de energized during normal operation is changed by the user the alarm relays act as follows The Lo Alarm Relays are factory set to be normally de energized in normal operation DE ENERGIZED Normal NO No Alarm The Hi Alarm Relays are factory set to be normally de energized in normal operation DE FNERGIZED Normal NO No Alarm 16 The Hi Hi Alarm Relays are factory set t
41. t beyond the scope of these maintenance instructions or by anyone other than a certified SENSIDYNE serviceman could cause the product to fail to perform as designed and persons who rely on this product for their safety could sustain severe personal injury or death AC Earth ground MUST terminate on each controller s ground terminal to prevent an electric shock hazard A PCB board mounted ground lug is supplied with each unit Operation of the alarm relays above their contact ratings may result in false alarms or relay failure CAUTIONARY NOTE The output signal to the recorder or other data gathering device is always live That is the display reading is transmitted directly through the recorder output to whatever peripheral device is attached to the controller Any recorder or other data gathering device should be turned off during calibration Sensidyne Document No 7013227M Rev H 7 SECTION ONE INTRODUCTION 1 1 OVERVIEW IMPORTANT You must read this manual in its entirety to ensure proper operation of the controller This manual provides specific information concerning the installation operation and maintenance of the Sensidyne SensAlert Controller The SensAlert Controller when used with a Sensidyne external I S barrier PN 7013263 is designed to oper ate an intrinsically safe SensAlert transmitter in areas classified Class I Division 1 Groups A B C D Class II Division 1 Groups E F
42. the mounting screws 12 Close the controller cover and secure the quick release latches 10 32 screw Mounting Foot Controller E Back Pd Figure 2 2 Attaching the Mounting Feet 18 Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER 8 00 Mounting Feet 4 LO 12 94 BUTTON v SENS HI HIHI E OXYGEN 19 3 VOL POWER AC PWR DC PWR BACK UP Push RESET to unlatch a LATCHED ALARM Push RESET to silence a local LO ALARM Push RESET for 5 seconds to enter CAL MODE Push RESET again to exit CAL MODE AAR EN E LO HIHI CH2 FAULT METHANE 9 LEL LO HIH o o oO CH4 FAULT AMMONIA 19 PPM FIVE Quick Release Latch EN SS Reset Button Alarm Buzzer Sensidyne Document No 7013227M Rev H EMT Connectors optional Figure 2 3 Controller Mounting Quick Release Latch 19 SENSALERT FOUR CHANNEL CONTROLLER TOP VIEW a m 2 Terminal Plug lt 1 Terminal Block MAIN BOARD with guide pins SIDE VIEW Pull on terminal plug Insert wire into to remove it from board terminal plug MAIN BOARD Tighten terminal screw Install terminal plug on with flat blade screwdriver appropriate terminal
43. ve NOTE Recorder outputs are always live When calibration has been completed press the RESET button again to exit Calibration Mode NOTE The cal delay can be adjusted from the Set Cal Delay screen in the Set Up Menu See Section 5 1 2 Calibra tion delay can range from 1 30 minutes Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER ENTER PASSWORD W000 0 Scroll through numbers UDWN 0 9 for 1st digit ENTER PASSWORD W000 3 3 Push SELECT to set number SELECT and move to 2nd digit ENTER PASSWORD 3800 0 A UP E Scroll through numbers Y DOWN 0 9 for 2nd digit ENTER PASSWORD 3 00 7 Push SELECT to set number SELECT and move to 3rd digit ENTER PASSWORD 37 0 0 A UP Scroll through numbers v DOWN 0 9 for 3rd digit ENTER PASSWORD 37 0 N 4 Push SELECT to set number SELECT and move to 4th digit M ENTER PASSWORD 3740 0 iL Scroll through numbers 5 DOWN 0 9 for 4th digit ENTER PASSWORD 374 8 Push SELECT to set final digit SELECT enter password mu If incorrect password entered If incorrect password entered this screen appears 3 times this screen appears PASSWORD INVALID PASSWORD INVALID PLEASE TRY AGAIN ACCESS DENIED Figure 3 1 Enterin
44. y be expedited if you authorize an ex pediting fee This will place your order next in line behind orders currently in process Pack the instrument and its accessories preferably in their original packing and enclose your return ad dress purchase order shipping and billing informa tion RMA number a description of the problem en countered with your instrument and any special in structions All prices are subject to change without no tice If this is the first time you are dealing directly with the factory you will be asked to prepay or to authorize a COD shipment Send the instrument prepaid to SENSIDYNE 1000 112th CIRCLE N SUITE 100 ST PETERSBURG FL 33716 USA ATTENTION Service Department RMA Sensidyne Document No 7013227M Rev H SERVICE OPTIONS The Sensidyne Service Department offers a variety of service options which will minimize costly interruptions and maintenance costs These options include initial training on site technical assistance and full factory repairs Sensidyne has developed several programs which offer options best suited to your applications and needs For further information contact the Sensidyne Service Department at the following numbers 800 451 9444 727 530 3602 727 538 0671 fax 39 SENSALERT FOUR CHANNEL CONTROLLER MODBUS CODES amp SPECIFICATIONS Modbus connection on bottom board at J7 Modbus Specifications pater d eei ce RS 485
45. you to view and change alarm settings change system features and perform diagnostics A detailed description of the menu system and operator buttons can be found in Sections 1 3 amp 1 4 1 2 3 Bottom The Bottom PCB see Figure 2 1 is attached to the in side bottom of the controller housing The compo nents located on the Bottom PCB are described be low The Bottom PCB is populated with 11 terminal blocks Each terminal block consists of a base block and a keyed removable terminal plug that facilitates wiring Terminal wiring designations are described in Section Two The Bottom PCB also contains jumpers AC amp DC fuses and a current limiting 4 channel power supply Sensidyne Document No 7013227M Rev H 9 SENSALERT FOUR CHANNEL CONTROLLER Hinged Sandoff Channel amp under PCB Fault LED 4 places LO OXYGEN 19 3 VOL Power LEDs i Mounting LCD Display 16 Char X 2 Line Screw 4 places Hinged Standoff under PCB LO HI amp HIHI Alarm LEDs 4 PLACES METHANE 9 LEL Ac Pwr DC BACK UP CARBON MONOXIDE 19 PPM Operator Buttons CHANNEL SELECT SELECT D Y DOWN Mounting Screw Figure 1 1 Display PCB 10 Sensidyne Document No 7013227M Rev H SENSALERT FOUR CHANNEL CONTROLLER 1 3 OPERATOR BUTTONS Figures 1 2 and 1 3 show the operator buttons that control the menu system The buttons are described below
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