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Apollo Intelligent Meter Series IMY User's Manual

1. tan 4 Block Diagram a PROGRAMMING AND OPERATING THE IMY Ce nsns sr 6 Programming the IMY rrr 6 Module 1 Program Thermistor Type Temperature Scale F or C and Decimal Point Position DTP TIT 8 Module 2 Program Temperature Display Offset and Slope 006 06 06 606 666 8 Module 3 Program Functions Accessible W Front Panel Lockout 9 Module 4 Program Digital Filter and Remote Input lt 5555555555555555555 0 0 0 0 0 66 11 Module 5 Program Integrator Totalizer 4 4 4 m m n on n 13 Module 6 Program Alarm Setpoint crc ttc e e n n 14 Module 7 Program Serial Communications ms 16 Module 8 Program Re Transmitted Analog Output lt 5 5 555555555555555 17 Module 9 Service Operations 18 Operating The IMY meet 19 Quick Programming 55555999 rnnt 19 Factory Configuration gt 5555555555 6666 iier 20 Te
2. 35 listallation Environment dae due aee que aequo ald Rak ee ne eae te deh 35 Panel Installation 59 9 9 he Re v Eua D ide wht Dekel dened 35 Select AC Power 115 230 VAC eene 35 EMC Installation Guidelines 36 Wiring Connections ss hehe 37 Power Wiring s mH mh mene 37 Signal Wiring Thermistor 37 User Input Wiring 37 Output Wiring 37 APPENDIX B SPECIFICATIONS AND DIMENSIONS 38 APPENDIX TROUBLESHOOTING GUIDE ttt terete eee nh 41 APPENDIX D PROGRAMMABLE FUNCTIONS 42 APPENDIX E ORDERING INFORMATION m I A nmn 44 225 SAFETY INFORMATION SAFETY SUMMARY All safety related regulations local codes and instructions that appear in the manual or on equipment must be observed to ensure personal safety and to prevent damage to either the instrument or equipment connected to it If equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Do not use this unit to directly command motors valves or other actuators not equipped with safeguards To do so can be potentially harmful to persons or equipment in the event of a fault t
3. SI SI a 20mA SRC 20 SRC 50 m IM 2 ch HH Ob 1 9 Sa 17 lt i 55 om TBC IM 3 20 SRC 50 SI 20mA SRC 20mA SRC 50 4 a 1 1 t 0 8 gu 7 lt t6 5 95 N ax D TBC IM 45 a un 55 ay TBC IM 6 20 SRC 32 RE TRANSMITTED ANALOG OUTPUT Optional The re transmitted analog output option transmits a digitally programmable 4 to 20 mA or 0 to 10 VDC signal to drive chart recorders remote indicators and controllers The option is contained on the upper PCB and has two outputs ANALOG TBB 10 and ANALOG TBB 11 and is self powered active with a compliance of 10 VDC The analog output is isolated from the input common eliminating problems from ground loops Programming of the option is performed in Pro 8 of the normal programming mode Display values are simply keyed in to provide a 4 mA or 0 VDC output AN Lo and a 20 mA or 10 VDC output AN HI The analog output then follows the assigned value and as such will update every measurement cycle Nonstandard current or voltage ranges can be supp
4. Note This sequence may be locked out due to other programmed sequences Note This function operates independent of the state of the PGM DIS pin 10 MODULE 4 PROGRAM DIGITAL FILTER AND REMOTE INPUT PROGRAM DIGITAL FILTERING If the displayed process signal is difficult to read due to small process variations or noise increased levels of filtering will help to stabilize the display This programming step may be used in conjunction with display rounding programming Pro 1 amp 2 to help minimize this effect Although the digital filter features a moving window to help minimize response time higher degrees of filtering levels will have slightly longer response times FiLter lt gt 0 no digital filtering 1 normal filtering 2 increased filtering 3 maximum filtering PROGRAM FUNCTION OF E1 CON AND OPTIONAL E2 CON The function of the remote input E CON 4 and if the totalizer option is installed the remote input 2 TBA 8 are the same Functions are activated as described in the appropriate function when connected to signal common TBA 7 Whether a function is edge or level activated it must be held low for a minimum of 20 msec in order for the function to occur The remote input pins can be used simultaneously and with any combination of functions When pins are tied together and activated E1 CON function is generally performed first E
5. Display Hold 2 4 Display Hold Pro 5 dECPNt 0 IDASE 0 SCLFAC 1 000 Lo cut 0 0 F 20 PROGRAMMING EXAMPLE Asan example of a programming sequence the following values gained from a temperature time monitoring application are programmed into the indicator DISPLAY Display the actual temperature of a liquid solution in F Activate alarm 1 output when temperature falls below 25 F activate display alarm Peak and valley max min readings for each cycle to be recorded TOTALIZER When total exceeds 30 000 degree minutes then latch alarm 2 which stops the heating process and sounds a process complete bell Reset alarm 2 by remote input Disable totalization when temperature falls below 200 F Reset the total from the front panel Allow switching of the display from to temperature and total SERIAL Provide hardcopy printout of total input and peak valley when operator actuates print request Baud rate 300 ANALOG RE TRANSMISSION Record temperature profile 4 mA at 50 F and 20 mA at 200 F Pro 1 tYPE Enter 400 SCALE Enter F dECPNt Enter 0 PIro 2 ss SLOPE Enter 1 0000 OFFSEt Enter 0 Pro 93 dSP AL Enter yes ENt AL Enter yes dSPHYS Enter no rSt AL Enter no dSPbUF Enter yes rStbUF Enter yes SELdSP Enter yes rSttOt Enter yes dSPOFF Enter no
6. MODULE 9 SERVICE OPERATIONS The indicator has been fully calibrated at the factory If the unit appears to be indicating incorrectly or inaccurately refer to the troubleshooting section before attempting this procedure When re calibration is required generally every 2 years this procedure should only be performed by qualified technicians using appropriate equipment Resistance source accuracies of 0 01 or better are required The procedure consists of applying accurate signal levels to the indicator in a series of two steps Allow a 30 minute warm up period before starting this procedure Note Once the access code has been entered there is no exiting the program module without completing the calibration procedure ENTER ACCESS CODE Code 48 must be keyed in prior to the calibration sequence to guard against inadvertent entries Access code numbers other than those listed in this section should not be entered at this step If any are entered undefined or unpredictable operation could result CodE lt gt 0 to 99 If the code number for the previous step was not recognized the indicator returns to Pro 0 with no action taken Otherwise the calibration procedure is started ENTER ZERO REFERENCE TBA Apply 0 ohms to input by shorting Terminals 6 and 7 as shown in the drawing to the right Allow to stabilize for 20 seconds before pressing P StEP 1 Press APPLY PRE
7. lt gt 0 input signal 1 input signal peak valley and offset 2 input signal alarm 1 and alarm 2 3 input signal alarm 1 alarm 2 hysteresis 1 hysteresis 2 peak valley and offset A totalizer 5 input signal and totalizer 6 input signal totalizer peak valley and offset 7 totalizer alarm 1 and alarm 2 8 input signal totalizer alarm 1 and alarm 2 9 input signal totalizer alarm 1 alarm 2 hysteresis 1 hysteresis 2 peak valley and offset FULL OR ABBREVIATED TRANSMISSION When transmitting data the IMY can be programmed to suppress the address number mnemonics and some spaces if desired by selecting NO A selection of NO results in faster transmission This feature may be helpful when interfacing with a computer When interfacing to a printer a YES response is usually desirable FULL lt gt yES or NO An example of full and abbreviated transmission is shown below 2 INP 125 7F lt CR gt lt LF gt _ Full transmission 125 7 lt CR gt lt LF gt Abbreviated transmission MODULE 8 PROGRAM RE TRANSMITTED ANALOG OUTPUT This programming module allows digital scaling of the 4 to 20 mA or 0 to 10 VDC analog output The type of analog output is determined by the model ordered See Ordering Information for available models The display value at which 4 mA or 0 VDC and the display value at which 20 mA or 10 VDC are
8. NO was selected then this step defaults to NO and will not be displayed for selection tStbUF lt gt yES or NO SELECT DISPLAY If the integrator totalizer option is installed this selects whether the display can be switched from input display to total display and from total display to input display Note When is selected whatever display Input or total is shown will be the only display accessible SELdSP lt gt yES or NO RESET TOTAL If the integrator totalizer option is installed this selects whether the total can be reset from the front panel lt gt yES or NO TEMPERATURE OFFSET VALUE If the Integrator Totalizer Peak Valley Temperature Offset option is installed this selects whether the programmed offset value will be displayed dSPOFF lt gt yES or NO ENTER OFFSET VALUE If YES was selected for the previous step this selects whether the offset value can be entered from the panel If NO was selected then this step defaults to NO and will not be displayed for selection ENtOFF lt gt yES or NO Depending on functions selected under Pro 3 and Pro 6 alarms hysteresis peak valley and offset values can be monitored and or changed with PGM DIS is tied to COMM This provides a QUICK PROGRAMMING method for day to day process changes See QUICK PROGRAMMING SECTION for more details
9. Desired Totalizer Value Decimal Point Enter in Formula 0 1 0 0 10 0 00 100 0 000 1000 0 0000 10000 LD D P Input Display Value Decimal Point Enter in Formula 0 1 0 0 10 This value is normally 1 but can be used as a course scale factor of 60 or 3600 110 600 10 SF V 28800 10 8 Hours x 3600 S F 1x 125 S F 7 125 Pro 5 7 dECPNt 0 0 tbASE 2 SCLFAC 125 Lo cut 0 0 This value is normally 1 but can be used as a course scale factor of 60 or 3600 Since the time period is Hrs the selected is 3600 Program select value 2 which equals per hour 3600 sec The integrator totalizer will accumulate up to 99999 9 At the end of the shift the average temperature over the previous 8 hours can be read directly The integrator totalizer can then be reset for the next 8 hour shift Anytime during the shift the average temperature can be calculated by the following formula v LV S F x LV Integrator Totalizer Value S F Programmable Scale Factor T T Total Time From the beginning of the shift For example 6 hours and 37 minutes into the shift the integrator totalizer reads 90 9 To find the average temperature up to this point Av 90 9 BS Av 109 9 125x6 6166 827 The average temperature over the last 6 hours and 37 minutes was 109 9 F xxx Time is in hours The number of minutes mu
10. Input Diode Rating Vp 1 25 Vryp 1 5 Vmax Note The compliance voltage rating of the source must be greater than the sum of the voltage drops around the loop Typically a 30 VDC powered source would be capable of operating between 18 and 22 units in a loop 17 ALARMS Optional Solid State Two isolated sinking open collector NPN transistors acting in parallel with relays Imax 100mA Vsar 1 0 V 100mA Vmax 30 VDC Isolation To Signal Input Common 500 Vrms for min Working Voltage 50 V max CAT I Not isolated from all other commons 39 Relays Isolation To Signal Input Common 2300 Vrms for 1 min Working Voltage 300 V max CATII Type Form C 2 Max Rating 5 Amps 120 240 VAC or 28 VDC resistive load 1 8 hp 120 VAC inductive load Relay Life Expectancy 100 000 cycles at max rating As load level decreases life expectancy increases 18 ANALOG OUTPUT Optional Digital scaling and offsetting Isolation To Signal Input Common 500 Vrms for 1 min Working Voltage 50 V max CATI Not isolated from all other commons 4 to 20 mA Accuracy 0 1 of full scale Resolution 12 bits Compliance Voltage 10 VDC 500 Q max loop resistance 0 to 10 VDC Accuracy 0 196 of reading 35 mV Resolution 12 bits Min Load Resistance 10 KO 1 mA max 19 PEAK VALLEY SLOPE OFFSET Optional Peak and Valley recording Programmable temperature offset and slope 20 CERTIFICATIONS AND COMPLIANCES
11. Wire each terminal block in this manner POWER WIRING Primary AC power is connected to terminal and2 marked VAC 50 60 Hz located on the left hand side of the bottom terminal block To reduce the chance of noise spikes entering the AC line and affecting the indicator the AC power should be relatively clean and within the specified 10 variation limit Drawing power from heavily loaded circuits or circuits which also power loads that cycle on and off contactors relays motors machinery etc should be avoided SIGNAL WIRING THERMISTOR Meter signal input common is not isolated from PGM DIS E1 CON E2 CON maximum allowable 50 V can be present in the circuit that is being measured Thermistors provide a higher degree of accuracy stability and resolution over other temperature sensing elements such as platinum RTDs or thermocouples The IMY supports two popular types of thermistors the 400 Series YSI 44000 2 2520 thermistor and the 700 Series Thermolinear thermistor Selection of the two types is done in Programming Module 1 The 400 Series thermistor is a 2 wire sensor One lead connects to TBA 6 T1 and the other lead connects to TBA 7 comm 37 The 700 Series Thermolinear thermistor is a 3 wire sensor One lead connects to TBA 6 T1 and the common lead connects to TBA 7 comm The third wire is an additional thermistor lead and connects to TBA 5 T2 Always refer to the sensor manu
12. button SCALE lt gt F Select the desired decimal point location by pressing the UP or DOWN button dECPNt lt gt 0 0 0 MODULE 2 PROGRAM TEMPERATURE DISPLAY OFFSET AND SLOPE If the totalizer option is installed the offset and slope can be programmed for various temperature probe differences See the Offset and Slope Display Temperature section for more details Select the desired temperature display slope value by pressing the UP or the DOWN button SLOPE lt gt 0 0001 to 10 0000 1 0309 Select the desired temperature display offset value by pressing the UP or the DOWN button OFFSEt lt gt 999 to 9999 17 5 285 MODULE 3 PROGRAM FUNCTIONS ACCESSIBLE W FRONT PANEL LOCKOUT This programming module programs what is accessible through the front panel when the PGM DIS pin is connected to common COMM Note The term Quick Programming is used to refer to the ability to change the information that can be accessed from the front panel when the PGM DIS terminal is connected to COMM DISPLAY ALARM VALUES Ifthe alarm option is installed this selects whether the alarm values will or will not be displayed dSP AL lt gt yES or NO ENTER ALARM VALUES If YES was selected for display alarm values this will select if alarm values may be modified from
13. lt CR gt lt LF gt full transmission 125 7 lt CR gt lt LF gt abbreviated transmission CURRENT LOOP INSTALLATION WIRING CONNECTIONS When wiring the 20 mA current loop remove the bottom terminal block TBA located on the rear of the unit Refer to the numbers listed with the terminal descriptions below or those located on the label It is recommended that shielded screened cable be used for serial communications This unit meets the EMC specifications using Alpha 2404 cable or equivalent There are higher grades of shielded cable such as four conductor twisted pair that offer an even higher degree of noise immunity Install each wire in its proper location on the terminal block When all connections are made replace the terminal block into its proper location SERIAL TERMINAL DESCRIPTIONS 8 PRINT REQ The Print Request terminal is pulled low to activate the unit to transmit data according to the print function selected in Program Module 7 Reference Programming Module 7 for more details In order for a print request function to occur EI CON 4 or E2 CON TBA 8 must be programmed for print request Note In order to guarantee a print out the programmed E CON pin must be held low for at least 20 msec If this time exceeds 800 msec a second print out may occur 9 20 mA SRC 20 mA current source return path for the transmit loop Current flows into this pin 10 SI Serial In 11 SI Serial In The
14. proper installation and wiring methods must be followed to ensure compatibility in each application The type of electrical noise source or coupling method into the unit may be different for various installations In extremely high EMI environments additional measures may be needed The unit becomes more immune to EMI with fewer 1 O connections Cable length routing and shield termination are very important and can mean the difference between a successful or a troublesome installation Listed below are some EMC guidelines for successful installation in an industrial environment 1 The unit should be mounted in a metal enclosure which is properly connected to protective earth a If the bezel is exposed to high Electro Static Discharge ESD levels above 4 Kv it should be connected to protective earth This can be done by making sure the metal bezel makes proper contact to the panel cut out or connecting the bezel screw with a spade terminal and wire to protective earth 2 Use shielded screened cables for all Signal and Control inputs The shield screen pigtail connection should be made as short as possible The connection point for the shield depends somewhat upon the application Listed below are the recommended methods of connecting the shield in order of their effectiveness a Connect the shield only at the panel where the unit is mounted to earth ground protective earth b Connect the shield to earth ground at both ends of t
15. transmitted are keyed in The indicator automatically calculates slope and intercept values to complete the scaling The analog output then follows the calculated display value and as such will update every measurement cycle The output may also be programmed to proportionally re transmit the contents of the totalizer instead of the input Reverse acting output can be achieved by programming the high display value for the AN LO programming step and the low display value for the 4N HI step Note DO NOT ADJUST THE ANALOG OUTPUT POTS ON THE BACK OF THE UNIT Fine offset and span adjustment pots are externally accessible to compensate for small drifts in the output These pots have been set at the factory and do not normally require adjustment ANALOG OUTPUT SOURCE Program whether the input or the totalizer will serve as the basis for the analog output signal If the integrator totalizer option is not installed then this step defaults to Input ASIN lt gt INPUt or totAL ANALOG OUTPUT LO DISPLAY VALUE Program the display value at which the analog output transmits 4 mA or 0 VDC AN Lo lt gt 999 to 9999 for INPUt 99999 to 999999 for totAL ANALOG OUTPUT HI DISPLAY VALUE Program the display value at which the analog output transmits 20 mA or 10 VDC AN HI lt gt 999 to 9999 for INPUt 99999 to 999999 for totAL 17
16. SAFETY IEC 1010 1 EN 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 IP65 Enclosure rating Face only IEC 529 Type 4 Enclosure rating Face only 11 50 ELECTROMAGNETIC COMPATIBILITY Immunity to EN 50082 2 Electrostatic discharge EN 61000 4 2 Level 2 4 Kv contact 1 Level 3 8 Kv air Electromagnetic RF fields EN 61000 4 3 Level 3 10 V m 80 MHz 1 GHz Fast transients burst 61000 4 4 Level 4 2 Kv I O Level 3 2 Kv power RF conducted interference EN 61000 4 6 Level 3 10 V rms 150 KHz 80 MHz Emissions to EN 50081 2 RF interference EN 55011 Enclosure class A Power mains class A Notes 1 Metal bezel of unit connected with ground lead from rear bezel screw to metal mounting panel 2 Self recoverable loss of performance during EMI disturbance at 10 V m Process input and or analog output signal may vary during EMI disturbance For operation without loss of performance Unit is mounted in a metal enclosure Buckeye SM7013 0 or equivalent 1 0 and power cables are routed in metal conduit connected to earth ground Refer to the EMC Installation Guidelines for additional information 21 CONSTRUCTION Die cast metal front bezel that meets NEMA 4 IP65 requirements for wash down and or dusty environments when properly installed Pollution Degree 2 Case body is black high impact plastic panel gasket and mounting clips included 22 CONNECTION Removable terminal
17. a busy signal current interrupted while transmitting the receive loop must be connected even if the indicator is transmitting only such as to a printer A built in 20 mA source can be used in the transmit loop only by connecting the current return wire to 20 mA SRC instead of SO To bypass the built in current source make transmit loop connections to SO and SO Additionally multiple units and other Red Lion Controls instruments can be serially addressed up to a maximum of 99 units The actual number in a single loop is limited by the serial hardware specifications To eliminate problems with ground loops the serial circuitry is isolated from both signal common and output common Optional 20 mA to RS232C and 20 mA to RS422 converter modules expand the unit s flexibility Note When operating the unit with a printer the receive loop of the indicator must have current flowing into it before transmission can take place COMMUNICATION FORMAT Data is sent by switching current on and off in the loop and is received by monitoring the switching action and interpreting the codes that are transmitted In order for data to be correctly interpreted there must be identical formats and baud rates among the communicating equipment The only format available with this indicator is 1 start bit 7 data bits 1 odd parity bit and 1 stop bit The baud rates are programmable and the choices are 300 600 1200 and 2400 27 DATA FORMAT 1
18. blocks 23 WEIGHT 1 2 lbs 0 54 kg APPENDIX TROUBLESHOOTING GUIDE The majority of all problems with the indicator can be traced to improper connections or improper programming set ups Be sure all connections are clean and tight and check the programming set ups for correct data For further technical assistance contact technical support at the appropriate company numbers listed PROBLEM POSSIBLE CAUSE REMEDIES NO DISPLAY 1 Power off improperly connected or brown out la Check wiring b Verify power PPPPPP IN DISPLAY Program data error 1 Press P and Check data set ups FLASHING DISPLAY Totalizer overflow 1 Reset totalizer IN DISPLAY Loss of data set ups la Check data set ups b Check for electrical disturbance Disconnect and reconnect power DISPLAY WANDERS Loss of data set ups Check data set ups b Disconnect and reconnect power Check for electrical disturbance JITTERY DISPLAY Electrical Noise in process or signal lines Increase digital filtering Increase display rounding increment Re route signal wires Process inherently unstable Dampen process to eliminate oscillations ULULUL IN DISPLAY Probe unconnected Connect probe Broken or burnout probe Repair or obtain new probe Excessive probe temperature Reduce temperature Input overload Check input levels OLOLOL IN DISPLAY Input Underload neg
19. provide a means of resetting the latched alarm The Integrator totalizer option is specified to store peak and valley temperatures overnight weekly etc Programming module 5 Pro 5 is used to set up the integrator The re transmitted analog output is specified to drive a chart recorder with 4 20 mA for a hard copy of temperature profiles for later evaluation ALARM OPTION CHART RECORDER EMERGENCY MAIN BACK UP COOLING COOLING amp CONTROL SYSTEM SYSTEM FREEZER E ANALOG RELAY 1 RELAY 22 2 2 THs o oO 1 2345078 son ojo SSSSSSSSSS AC POWER D lt gt MI z 09 885 8 2 l i9 T 3 4 5 6 7 8 AC POWER FRONT PANEL LOCKOUT MANUAL RESET 22 INTEGRATOR TOTALIZER PEAK VALLEY TEMPERATURE OFFSET Optional INTEGRATOR TOTALIZER The integrator totalizer option simply adds input readings together using a programmable time base and scaling coefficient The decimal point position of the integrator totalizer can be programmed independent of the scaled input signal The integrator totalizer may be reset through a remote input by the front panel or through the serial communications option Alarms may be programmed to trigger from integrator totalizer values for ex
20. the front panel f NO was selected for display alarm values then this step will default to NO and will not be displayed for selection ENt AL lt gt yES or NO DISPLAY HYSTERESIS VALUES If the alarm option is installed this selects whether the hysteresis values will or will not be displayed dSPHYS lt gt yES or NO ENTER HYSTERESIS VALUES If YES was selected for display hysteresis values this selects whether hysteresis values may be modified from the front panel If NO was selected for display hysteresis value then this step will default to NO and will not be displayed for selection ENtHYS lt gt yES or NO Note This sequence may be locked out due to other programmed sequences Note This function operates independent of the state of the PGM DIS pin 9 RESET LATCHED ALARMS If the alarm option is installed and if either alarm is programmed to latch this will select if a latched alarm s can be reset from the front panel rSt AL lt gt yES or NO DISPLAY PEAK VALLEY MEMORY BUFFER If the integrator totalizer option is installed this selects whether peak and valley buffers will be displayed dSPbUF lt gt yES or NO RESET PEAK VALLEY MEMORY BUFFER If YES was selected for the previous step this selects whether the peak and valley buffers may be reset from the front panel Jf
21. tracking alarm display latched or auto reset assignment to either the input or the integrator totalizer and alarm and hysteresis values Pro lt gt 7 Module 7 is the serial communication parameter programming Baud rate unit address print request function and condensed prints are all programmable Pro lt gt 8 This module allows digital scaling of the retransmitted analog output Display values that correspond to 4 mA or 0 VDC and 20 mA or 10 VDC are keyed in to scale the output and it may be assigned to either the input or the integrator totalizer Pro lt gt 9 This module is the service operation sequence and is not normally accessed by the user This step re calibrates the basic input and is used to compensate for long term drift Execution of this module should be done by technicians with the proper equipment in accordance with a maintenance plan of yearly recalibrations A code number entry step is used to protect from inadvertent entries Also there is a number of other access codes which provide test and set up changes as an aid in troubleshooting MODULE 1 PROGRAM THERMISTOR TYPE TEMPERATURE SCALE F OR C AND DECIMAL POINT POSITION Select the desired Thermistor type by pressing the UP or DOWN button tYPE lt gt 400 400 400 Series 2 252 ohm 700 700 Thermolinear Series Select the desired temperature scale by pressing the UP or DOWN
22. 0 BIT FRAME 300 600 1200 2400 Baud 7 DATA BITS 1 STOP BIT START BIT PARITY BIT ODD 1 TO T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 Before serial communication can take place the indicator must be programmed to the same baud rate as the connected equipment In addition the loop address number print options and full or abbreviated transmission must be programmed If only one indicator is to be used then a loop address number of 0 may by used to eliminate the requirement for the address specifier when sending a command If more than one indicator is on the loop assignment of unique addresses other than zero for each indicator is recommended Valid addresses of 0 to 99 may be assigned but the built in current source if used is capable of driving up to 7 units Additional drive capability may be afforded by an external current source with a higher compliance voltage Refer to programming section Pro 7 to program the serial option SENDING COMMANDS TO THE IMY When sending commands to the unit a command string must be constructed The command string may consist of command codes value identifiers and numerical data Below is a table outlining the codes the indicator will recognize COMMAND FUNCTIONS T transmits the requested information specified by the identifier K and L V change a value specified
23. 1 CON lt gt 0 If the Totalizer Peak Valley Display Offset option is installed a negative going edge offsets the displayed temperature to zero At the time the E Pin is activated the value of the actual temperature being displayed is placed in the location of the display offset value To bring the unit into the normal temperature display mode reset the offset value to zero via the front panel 1 A negative going edge resets the contents of the totalizer to zero Totalization commences regardless of the state of the remote input 2 A negative going edge resets the contents of the totalizer to zero and allows totalization as long as the input is low If the input goes high totalization is stopped and the contents are saved This acts as a 11 totalization enable control from Time 1 to Time 2 3 A low level allows totalization as long as the input is low If the input goes high totalization is stopped and the contents are saved This acts as a totalization enable control from Time 1 to Time 2 4 A low level holds the display display hold While this input is low the indicator continues to process the input signal and drive the alarms totalizer etc with the actual signal The contents of the totalizer are held at the same time the input display is held Note If display hold is activated and input value is requested via serial the value on the display will be sent instead of the ac
24. ATION amp CONNECTIONS INSTALLATION ENVIRONMENT The unit should be installed in a location that does not exceed the maximum operating temperature and provides good air circulation Placing the unit near devices that generate excessive heat should be avoided The bezel should be cleaned only with a soft cloth and neutral soap product Do NOT use solvents Continuous exposure to direct sunlight may accelerate the aging process of the bezel Do not use tools of any kind screwdrivers pens pencils etc to operate the keypad of the unit Before installing the IM into the panel the user should first become familiar with the unit It may also be desirable to program the unit for the application When programming is complete all parameters will be saved in non volatile memory The Program Disable PGM DIS terminal should be connected to COMM to prevent accidental or unauthorized programming changes PANEL INSTALLATION GASKET 100 2 54mm THICK BEZEL MOUNTING AC SELECTOR MOUNTING SWITCH SCREW The unit meets NEMA 4 IP65 requirements for indoor use when properly installed The units are intended to be mounted into an enclosed panel with a gasket to provide a water tight seal Two mounting clips and screws are provided for easy installation Consideration should be given to the thickness of the panel A panel which is too thin may distort and not provide a water tight seal Recommended minimum panel thickn
25. B Programmable Time Base 13 TB If Program Select Number Chosen Is Enter in Formula 0 for sec 1 1 for min 60 2 for hr 3600 I D Input Display Value TIME Actual Time period in seconds D T D P Desired Totalizer Value Decimal Point Enter in Formula 0 1 0 0 10 0 00 100 0 000 1000 0 0000 10000 1 D D P Input Display Value Decimal Point Enter in Formula 0 1 0 0 10 tbASE lt gt 0 per second 1 per minute 2 per hour PROGRAM THE INTEGRATOR TOTALIZER SCALE FACTOR As explained in the previous programming step a multiplying scale factor can be used to scale the update rate as required This may be used to span the standard ranges A scale factor of 1 000 has no effect on the standard ranges SCLFAC lt gt 0 001 to 100 000 PROGRAM THE LOW END CUTOUT low temperature level disable In order to prevent false integration totalization in situations where integration totalization is undesirable a programmable setpoint can be used to disable integration totalization when the input temperature falls below this low end cutout level Lo cut lt gt 999 to 9999 MODULE 6 PROGRAM ALARM SETPOINT If the alarm option is installed this module is used to configure the operation of the alarms to a variety of combinations The programmable options are HI LO acting auto manual reset latching tracking assignment to
26. CISION RESISTANCE TBA Connect a precision 0 01 5 11 KQ resistor across 5 Terminals 6 and 7 E Allow to stabilize for 20 seconds before pressing P 6 511 7 StEP 2 Press 18 Indicator calibration is complete It is recommended that calibration be checked by comparing the displayed temperature with a precision thermometer SERIAL HARDWARE loop back DIAGNOSTICS The internal serial communications hardware in the IMY can be tested to verify proper operation The procedure consists of connecting the Serial Input SI Serial Output SO and 20 mA Source into a simple loop g and then entering an access code Connect the IMY as shown at o 5 t right Enter Pro 9 key in Code 3 TO z 2 39 and then press If the serial 58 3 8 2 8 amp p communication hardware is OK Sin Savi too PASS will be displayed oS de 8 708 010 aos Conversely if there is an internal problem FAIL will be displayed After the diagnostic test is complete press P to return to Pro 0 Mr owes 5 CodE lt gt 39 RESTORING ALL PROGRAMMING PARAMETERS BACK FACTORY CONFIGURATION All of the programming in Modules 1 through 8 can be rest
27. ED COMMAND IM E B1 IN RECEIVE AT SELECTED 400msec MODE BAUD RATE MAXIMUM COMMAND IM IM STRING PROCESSES TRANSMITS TRANSMITTED COMMAND DATA STRING DELAY gt gt AT SELECTED 800msec AT SELECTED BAUD RATE MAXIMUM BAUD RATE A BEGINS PROCESSING AFTER IS RECEIVED Reset Command Independent of Type of Transmission Selected COMMAND IM STRING PROCESSES RESET TRANSMITTED COMMAND VALUE COMMAND AT SELECTED 400msec BAUD RATE MAXIMUM 400msec MIN 400msec MIN TO A 800msec MAX 800msec MAX DELAY AFTER EACH STRING IN RECEIVE RECEIVING DATA FROM THE IMY Data is transmitted from the indicator whenever a T or P command is received via serial communications or a remote input EI CON or optional E2 CON pin is programmed for print request is activated If the abbreviated transmission was programmed just data will be transmitted with no built in delay If full transmission is programmed then there is a 400 msec min to 800 msec max delay built in to the string A data string transmission is shown below 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 3 Elle SIJE 8 1112 1314115 er F L JL J UNIT MNEMONCS 5 5 SIX DIGITS ADDRESS X i520 5 P w B u zi es gt 2 3 3 5 o lt e en a a lt The fir
28. For example if the displayed temperature is 10 less than the measured temperature programming a 10 for the offset value will increase the displayed value by 10 throughout the entire range If the displayed temperature is 10 higher than the measured temperature programming a 10 for the offset value will decrease the display value by 10 throughout the entire range INTEGRATOR TOTALIZER EXAMPLE The indicator is employed to indicate average daily 8 hour temperature of a Hot Room used for storing various ingredients at a large food processing plant Ingredients which must be kept at temperatures above 100 0 F are stored in this room The desired constant temperature is 110 0 F However frequent opening and closing of the door causes temperature variations The following programming steps are performed BASIC SET UP Pro 15 400 SCALE F dECPNt 0 0 24 INTEGRATOR TOTALIZER SET UP With an average temperature input which gives a display of 110 0 at the end of an 8 hour time period one shift the following formula applies D T D T D P T B SF TIME LDD S F Programmable Scale Factor D T Desired Totalizer value for a fixed time duration T B Programmable Time Base T B If Program Select Number Chosen Is Enter in Formula 0 for sec 1 1 for min 60 2 for hr 3600 I D Input Display Value TIME Actual Time period in seconds D T D P
29. MING SECTION for more details 15 MODULE 7 PROGRAM SERIAL COMMUNICATIONS Several programmable parameters must be programmed before serial communication can occur BAUD RATE Select one of the baud rates from the list to match the baud rate of the printer computer controller etc bAud lt gt 300 300 baud 600 600 baud 1200 1200 baud 2400 2400 baud UNIT ADDRESS NUMBER To allow multiple units to communicate on the 20 mA loop different address numbers must be assigned to each unit If only one unit is on the loop an address of 0 may be given eliminating the need for the address command AddrES lt gt 0 to 99 PRINT REQUEST FUNCTION A selection of print operations can be programmed A print operation occurs when a print request is activated via EI CON 4 or optional E2 CON TBA 8 or a P command is sent from a terminal via the serial communications option If the option to which a particular print code applies is not installed then that parameter will not be printed If the totalizer is overflowed an asterisk will precede the digits that are printed ex 000127 positive overflow 00127 negative overflow If the temperature exceeds the range of the unit the print out will show OLOLOL If the sensor opens the print out will show ULULUL For the negative direction or shorted the print out will show SHOrt 16 Print
30. Pro 4 Pro 5 Pro 6 Pro 7 Pro 8 21 FILter 1 2 tpASE SCLFAC Lo cut trAc dISP LAtC 1 ASN 1 AL 1 HYS 1 Act 1 LAtC 2 ASN 2 AL 2 HYS 2 Act 2 bAud AddrES Print FULL ASIN AN Lo AN HI Enter 1 Normal Enter 7 reset alarm 2 Enter 14 print request Enter 1 Enter 1 000 Enter 200 Enter no Enter yes Enter no Enter input Enter 25 Enter 1 Enter LO Enter yes Enter total Enter 30000 N A Enter HI Enter 300 Enter 0 Enter 6 Enter yes Enter input Enter 50 Enter 200 TEMPERATURE MONITORING EXAMPLE An IMY is installed as a monitoring device and back up controller for a freezer storage facility Normally the freezer temperature is maintained at about 29 C 2 The absolute maximum allowable temperature of the freezer is In the event ofa system failure alarm output 1 ofthe IMY is programmed to start a secondary cooling system should the temperature reach 0 C The additional alarm of the IMY is used to signal personnel with a warning bell when the temperature rises above 17 C indicating a possible failure of the main cooling system This alarm is programmed to latch in order to assure that personnel inform maintenance of a possible problem Key switches are installed to lock out the front panel from unauthorized personnel and to
31. THE APOLLO INTELLIGENT METER SERIES MODEL IMY INSTRUCTION MANUAL INTRODUCTION The Intelligent Meter for Thermistor Inputs IMY is another unit in our multi purpose series of industrial control products that are field programmable to solve multiple applications This series of products is built around the concept that the end user has the capability to program different personalities and functions into the unit in order to adapt to different indication and control requirements The Intelligent Thermistor Meter which you have purchased has the same high quality workmanship and advanced technological capabilities that have made Red Lion Controls the leader in today s industrial market Red Lion Controls has a complete line of industrial indication and control equipment and we look forward to being of service to you now and in the future CE CAUTION Read complete instruc CAUTION Risk of electric shock tions prior to installation and operation of the unit Table of Contents SAFETY INFORMATION n tte ee 3 Safety Summary I UB a dT 3 GENERAL DESCRIPTION ssa sss s 4 Theory Of Operation 8 aide
32. TO INPUT OR INTEGRATOR TOTALIZER Alarm 1 may be programmed to activate on either the input or the integrator totalizer value If the integrator totalizer option is not installed this step defaults to the input ASN 1 lt gt INPUt or totAL PROGRAM VALUE FOR ALARM 1 The range of the alarm value is 999 to 9 999 for the input display and 99999 to 999999 for the totalizer option display AL 1 lt gt 999 to 9999 PROGRAM HYSTERESIS VALUE FOR ALARM 1 Cannot be programmed if alarm latch is programmed The hysteresis deadband value for alarm 1 may be programmed from 1 to 9 999 for the input and to 999999 for the totalizer option The value is either added to or subtracted from the alarm value depending on whether the alarm is high or low acting See alarm section for operation HyS 1 lt gt 1 to 9999 ALARM 1 HIGH OR LOW ACTING The action of alarm 1 may be programmed to activate either when the display value goes above the alarm value high acting or goes below it low acting Act 1 lt gt HI or LO AUTO OR MANUAL RESET FOR ALARM 2 The reset action of alarm 2 may be programmed to reset automatically unlatched or be programmed to require a manual reset latched through either a remote input 1 or optional E2 CON or through the front panel Latched alarms are usually used when an operator is required to take some action for the al
33. alarm applications Optional 20 mA loop bi directional serial communications provides computer and printer interfacing to extend the capabilities of the indicator 4 More than one unit can be connected in the loop with other RLC products which have serial communications capabilities An optional 4 to 20 mA or 0 to 10 VDC re transmitted analog output can be scaled by the user to interface with a host of recorders indicators and controllers The type of analog output is determined by the model ordered See Ordering Information for available models The indicator has several built in diagnostic functions to alert operators of most malfunctions Extensive testing of noise interference mechanisms and full burn in make the indicator extremely reliable in industrial environments The die cast front bezel meets NEMA 4 IP65 requirements for washdown applications Plug in style terminal blocks simplify installation wiring and change outs THEORY OF OPERATION The IMY employs a microprocessor to perform the A D conversion on the input signal via a voltage to frequency converter It digitally scales the result corrects for meter drift which may be present and then displays the result in a 6 digit display 4 digits for temperature 6 digits for totalizer The inputs are filtered to enhance the stability of the display A non volatile E PROM provides permanent data retention for operating variables The display consists of drivers and 6 digit solid s
34. ample to total degree minutes for batching operations The programmable time bases are per second per minute and per hour meaning the integrator totalizer will accumulate at a fixed rate of 2 5 times per second and be equal to a fixed input level over the selected time period For example if the input is a constant 100 and the per minute time base is selected the integrator totalizer will accumulate at the rate of 100 per minute The totalizer is updated at this rate every 400 msec As a result the input is accumulated in batches of 6 6 counts every 400 msec Therefore the totalizer start and stop sequencing as well as alarm values set for triggering at specific totalizer values are only accurate to the 400 msec totalizer update rate The preceding example requires a scale factor of 1 000 to yield exact time bases but any scale factor can be used to span between the ranges See section on integrator totalizer programming for detailed information A programmable low temperature level disable feature completes the integrator totalizer features this will stop totalization when the input drops below this programmed value low cut At loss of power to the indicator the contents of the integrator totalizer is saved This will allow integrating totalizing of interrupted processes The total can accumulate to 999 999 If the low end cut out value is programmed negative ex 100 reference Program Module 5 and the input
35. arm condition LAtC 2 lt gt YES or NO ALARM 2 ASSIGNMENT TO INPUT OR INTEGRATOR TOTALIZER Alarm 2 may be programmed to activate on either the input or the integrator totalizer value If the integrator totalizer option is not installed this step defaults to the input ASN 2 lt gt INPUt or totAL PROGRAM VALUE FOR ALARM 2 The range of the alarm value is 999 to 9 999 for the input display and 99999 to 999999 for the totalizer option display AL 2 lt gt 999 to 9999 PROGRAM HYSTERESIS VALUE FOR ALARM 2 Cannot be programmed if alarm latch is programmed The hysteresis deadband value for alarm 2 may be programmed from 1 to 9 999 for the input and 1 to 999999 for the totalizer option The value is either added to or subtracted from the alarm value depending on whether the alarm is high or low acting See alarms section for operation HyS 2 lt gt 1 to 9999 ALARM 2 HIGH OR LOW ACTING The action of alarm 2 may be programmed to activate either when the display value goes above the alarm value high acting or goes below it low acting Act 2 lt gt HI or LO Note Depending on options selected under Pro 3 and Pro 6 alarms hysteresis peak and valley values can be monitored and or changed when PGM DIS is tied to COMM This provides a QUICK PROGRAMMING method for day to day process changes See QUICK PROGRAM
36. ative overload Check input levels SHort IN DISPLAY Shorted probe Check probe 41 APPENDIX D PROGRAMMABLE FUNCTIONS Programming ofthe indicator is divided into modular steps Each module is a short sequence of data entries The front panel buttons UP and DOWN oe ROGRAM DICTAE ee p INPUT FUNCTION shown as arrows on the front panel are used to change the data and set ups a CHE while the P button is used to save or enter the data After pressing FiLter Enter level of digital filtering which gains entry into the programming mode the programming modules are D filtering identified by the message Pro and a number in the display UP and 2 DOWN used to select the desired programming module is used 3 maximum filtering to enter it All of the subsequent programming steps follow the same procedure E1 CON Enter function of remote input The rear terminal labeled PGM DIS must be ungrounded to gain access to 0 offset input to zero programming The following table lists the programming steps 1 reset total Pro 0 RETURN TO MEASUREMENT MODE 2 reset and gate totalizer 3 gate totalizer Pro 1 PROGRAM THERMISTOR TYPE TEMPERATURE SCALE 4 display hold AND DECIMAL POINT POSITON 5 reset peak valley YPE Select thermistor type 400 700 feat peak dud start pani indicator SCALE Ent
37. by the identifier C F K and L N address a particular indicator in a multiple unit loop 0 99 R reset a value specified by the identifier B D G H and J P print per programmable print options 1 VALUE IDENTIFIERS SERIAL MNEMONICS A temperature INP B integrator totalizer TOT C alarm 1 AL1 D alarm 2 AL2 E hysteresis 1 HS1 F hysteresis 2 HS2 G peak reading PEK H valley reading VAL l zero offset OFS J offset input K analog low ANL L analog high ANH Note RJ offset the input re zeros When the input is offset via front panel or RJ the amount is stored in the offset reading I Ex When an offset is performed the display reads 5 0 the offset value will be 00005 0 and the display will show 0 0 A command string is constructed by using the above commands and identifiers along with any data values that are required The indicator will accept or in front of the data value Numbers without are understood to be positive Leading zeros can be eliminated and both lower and upper case characters are accepted The address command is used to allow a command to be directed to a specific unit on the loop Ifthe indicator is assigned an address of 0 transmission of the address command is not required This is done where only one indicator is in the loop 28 The command string is constructed in a specific logical sequence The indicator will reject command strings that do
38. ctivation of various functions Reset total peak indicator mode trigger mode etc Vit 0 8 Vmax Vin 2 0 Response Time 0 2 sec Maximum DIMENSIONS In inches mm Note Recommended minimum clearance behind the panel for mounting clip installation is 2 1 53 3 H x 5 5 140 W 6 85 174 PANEL CUT OUT 03 3 62 00 127 506 4578 8 44 5 92 0 sd 7 6 5 86 5 4 38 15 ENVIRONMENTAL CONDITIONS Operating Temperature Range 0 to 50 C Storage Temperature Range 40 to 80 C Operating and Storage Humidity 85 max relative humidity non condensing from 0 C to 50 C Altitude Up to 2000 meters 16 SERIAL COMMUNICATIONS Optional Isolation To Signal Input Common 500 Vrms for min Working Voltage 50 V max CAT I Not isolated from all other commons Type Bi directional 20 mA current loop 20 mA source provided on transmit loop Powers up to 7 units in a loop with internal current source Baud Rate programmable 300 to 2400 Maximum address 99 Actual number in a single loop is limited by serial hardware specifications Data Format 10 bit frame Odd parity one start bit 7 data bits one odd parity bit and one stop bit Serial Hardware Specifications SO Output Transistor Rating V max 30 VDC Vsar 1 Vmax at 20 mA Note This will allow up to 28 units maximum in each loop SI
39. d into sections numbered 0 9 each of which can be individually accessed The front panel UP and DOWN arrow buttons can be used to select one of these numbers and the button can be used to enter the selected programming module In all of the programming modules UP and DOWN are used to either select from a list of choices or entera value The P button is used to save the new value and progress to the next step within a module Note the new value takes effect when P is pressed Upon completion of a module the indicator returns to the Pro lt gt 0 stage Pressing the P button at this time causes the unit to display End after which the unit returns to the normal display mode The following table explains the basic function of each step Note lt gt This indicates that the display will alternate between the English prompt and the actual data 6 DISPLAY RESULT OF P BUTTON Pro lt gt 0 Causes the indicator to return to normal display mode Any changes to set up data are permanently stored in the E PROM Pro lt gt 1 Entry into this module allows the user to select the Thermistor type whether the display will read in degrees Fahrenheit F or Celsius C and display decimal point position Pro lt 2 2 Entry into this module allows the user to select non standard display slope and display offset values This enables the meter to be scaled to a calibrated
40. d which does not have a busy line current must still be flowing into the indicator s 680 receive loop before transmission can occur NY INPUT POWER Lo 1 PRINT 5 MAPS Giswrcn 7 5 J MODEL DMPC PRINTER Bi 31 PROCESS CONTROLLING SYSTEM Six Model IMYs with Serial Communication Option are used to monitor and control the temperature of 6 ovens at a large bakery The IMYs are located at each of the ovens in the production area of the building The communications lines are run to an industrial computer located in the production offices The drawing below shows the Current Loop set up Each IMY is given an address and programmed accordingly Program Module 7 A baud rate of 1200 is selected COMM 2 12VDC 1 GCM422 CD comm 113555 An application program is written which sends and retrieves data from the IMYs Note On all IM indicators the SO and the 20 mA SRC are connected internally Therefore it is not necessary to have this terminal tied to any other terminal on the unit if that unit is serving as the loop supply source 50 20 SRC SI 51 20 SRC 50 zi IM 1
41. display value is between zero and the low end cut out value the totalizer value will decrement If the input display value goes above zero the total will increment If the display value goes below more negative than the low end cut out value totalization will stop PEAK VALLEY The other features of the integrator totalizer option are peak and valley detection The indicator will record the lowest reading valley and the highest reading peak automatically for later recall This information is 23 valuable in monitoring the limits ofthe process over any length of time since these values are stored at power down to span over shifts days etc An external input can be programmed to reset or engage the unit into a peak valley reading indicator Additionally the peak and valley can be viewed and reset from the front panel if so programmed and viewed and reset from the serial communication option Note The peak valley measurement is not instantaneous and is based on a nominal 2 sec response time OFFSET AND SLOPE DISPLAY TEMPERATURE If a difference exists between the displayed temperature and a reference temperature point the display may be offset for this effect Similarly a correcting slope may be programmed with the offset to allow for two point temperature correction For most applications the slope and offset values are not changed But ifitis required to scale the display to match a calibrated probe the followin
42. e factor and low cut out in Module 5 are in affect disabled when this function is selected 12 Display hold with offset A negative going edge tares zeros the input signal Prior to the offset operation the input signal is saved and held display hold as long as the remote input pin is low On the positive edge the input display will show zero If there is an increase to the input signal while the remote input is low the display will reflect show the increase at the positive edge 13 Instrument reading synchronization A low level disables all meter operations alarms total analog out etc A positive edge resets the start of the A D conversion to allow synchronization with external processes and controls While in this function the other E CON pin will be operational 147 Print request Transmits data according to the print options that have been selected in Program Module 77 If the low time exceeds 800 msec a second print out may occur E2 CON lt gt If the totalizer option is installed E2 CON has the same programmable functions as EI CON 12 MODULE 5 PROGRAM INTEGRATOR TOTALIZER Programming for the integrator totalizer consists of four programming steps totalizer decimal point position time base scale factor and low temperature disable Note that the decimal point position of the integrator totalizer can be set independent of the decimal point position of the input The totalizer
43. e Filters for input power cables Schaffner FN610 1 07 RLC LFIL0000 Schaffner FN670 1 8 07 Corcom 1VR3 Note Reference manufacturer s instructions when installing a line filter 6 Long cable runs are more susceptible to EMI pickup than short cable runs Therefore keep cable runs as short as possible 7 Switching of inductive loads produces high EMI Use of snubbers across inductive loads suppresses EMI Snubbers RLC SNUB0000 WIRING CONNECTIONS After the unit has been mechanically mounted it is ready to be wired All conductors should meet voltage and current ratings for each terminal Also cabling should conform to approriate standards of good installation local codes and regulations It is recommended that power supplied to the unit be protected by a fuse or circuit breaker All wiring connections are made on removable plug in terminal blocks There is a separate terminal block for the bottom board TBA and optional top board TBB When wiring the unit remove the terminal block and use the numbers on the label to identify the position number with the proper function Strip the wire leaving approx 1 4 bare wire exposed stranded wires should be tinned with solder Insert the wire into the terminal and tighten down the screw until the wire is clamped tightly Each terminal can accept up to one 14 gauge two 18 gauge or four 20 gauge wire s After the terminal block is wired install it into proper location on the PC board
44. eatures a readout choice of either Fahrenheit or Celsius with 0 1 or 1 degree of resolution English Style display prompts aid the operator through set up and operation A front panel lock out menu protects set up data and operation modes from unauthorized personnel Programmable digital filtering enhances the stability of the reading Programmable remote input E CON pin can be utilized to control a variety of functions such as totalizing alarm control peak valley reading display hold or offset operations set up data is stored in the E PROM which will hold data fora minimum of 10 years without power An optional integrator totalizer can be used to totalize or integrate temperatures up to a maximum display value of 999 999 It features independent scaling and a low temperature cut out to suit a wide variety of temperature integration applications A programmable remote input E2 CON is included with the option and can be utilized to control a variety of functions such as totalizing alarm control peak valley readings display hold or offset operations simultaneously with the E CON Peak valley max min reading memory functions are included with this option and they are easily recalled and controlled by either the front panel or a remote input All readings are retained at power down Optional dual relays with parallel solid state outputs are fully programmable to operate ina wide variety of modes to suit many control or
45. er either degree F or C 7 reset valley and start valley indicator dECPNt Enter resolution 0 or 0 0 Pro 2 PROGRAM TEMPERATURE SLOPE AND OFFSET 10 toggle display between input and total SLOPE Enter display slope 0 0001 to 9 9999 11 offset input to zero and totalizer the offset values OFFSEt Enter offset 999 to 9999 12 display hold with tare a Pro 3 PROGRAM FUNCTIONS ACCESSIBLE WITH FRONT 1 PANEL LOCKOUT ENGAGED E2 CON same functions as E1 CON dSP AL Enable display alarms ENt AL Enable enter alarms t dSPHYS Enable display hysteresis ENtHYS Enable enter hysteresis rSt AL Enable reset latched alarms dSPbUF Enable display of peak valley readings rStbUF Enable reset of peak valley readingst t This sequence may be subject to being locked out due to other programmed SELdSP Enable switching display between input and total sequences rSttOt Enable reset total dSPOFF Enable display offset value ENtOFF Enable enter offset value t 42 APPENDIX PROGRAMMABLE FUNCTIONS Cont d tpASE 0 1 2 2 SCLFAC Lo cut trAc dISP LAtC 1 2 ASN 1 AL 1 z HYS 1 Act 1 LAtC 2 E ASN 2 AL 2 HYS 2 Act 2 Pro 5 PROGRAM INTEGRATOR TOTALIZER Enter decimal point for totalize
46. ess is 1 8 After the panel cut out has been completed and deburred carefully slide the gasket over the rear of the unit to the back of the bezel Insert the unit into the panel As depicted in the drawing install the screws into the narrow end of the mounting clips Thread the screws into the clips until the pointed end just protrudes through the other side Install each of the mounting clips by inserting the wide lip of the clips into the wide end of the hole located on either side of the case Then snap the clip onto the case CLIP MOUNTING Tighten the screws evenly to apply SCREW uniform compression thus providing a water tight seal Caution Only minimum pressure is required to seal panel Do NOT overtighten screws EXISTING PANEL 125 0 25 GASKET 3 18 6 4mm THICK CUT AWAY VIEW OF CASE SELECT AC POWER 115 230 VAC The AC power to the unit must be selected for either 115 VAC or 230 VAC The selector switch is located through an access slot on the side of the case See figure above or label on case The unit is shipped from the factory with the switch in the 230 VAC position 35 Caution Make sure the AC selector switch is set to the appropriate position before applying power to the unit Damage to the unit may occur if the AC selector switch is set incorrectly EMC INSTALLATION GUIDELINES Although this unit is designed with a high degree of immunity to ElectroMagnetic Interference EMI
47. et totalizer NIRB Indicator with address 99 print the print options N99P Indicator with address 0 zero the offset value RI If illegal commands or characters are sent to the IM an asterisk must be sent to clear the input buffer The IM will not respond to an illegal or incomplete transmission The diagrams show the difference in the timing considerations for either Abbreviated or Full Character Transmission or ifa Reset Command is issued Timing Diagrams Abbreviated Transmission Selected COMMAND IM STRING PROCESSES CHANGE TRANSMITTED COMMAND VALUE PI gt IN RECEIVE COMMAND AT SELECTED 80 MODE BAUD RATE MAXIMUM IM IM gt ANY ADDITIONAL STRING PROCESSES TRANSMIS lt DATA STRINGS TRANSMIT VALUE TRANSMITTED COMMAND DATA STRING amp TRANSMITTED IM pl BAUD RATE IN RECEIVE PEE MENDES AT SELECTED 80msec AT SELECTED 8 WITH 10msec MODE BAUD RATE MAXIMUM BAUD RATE E DELAY AFTER S EACH STRING IM BEGINS PROCESSING AFTER IS RECEIVED 29 CHANGE VALUE COMMAND TRANSMIT VALUE OR PRINT REQUEST COMMAND Note If Full Transmission is selected and the front panel is being accessed at the time of transmission the IM may take as long as 2 seconds to respond Timing Diagrams Full Transmission Selected DATA STRINGS ARE TRANSMITTED AT BAUD COMMAND IM STRING PROCESSES TRANSMITT
48. facturer s instructions for probe wiring connections if available A C Powered Basic Connection 1 Nr 115 230 VAC POWER 2 PGM DIS 5 OT E1 CON 4 O T2 5 T COMMON 7 400 SERIES E2 CON 8 THERMISTOR SHOWN OPTIONAL USER INPUT WIRING User inputs PGM DIS E1 CON and optional E2 CON are digital inputs that are active when connected to TBA 5 Common Any form of mechanical switch sinking collector logic with less than 0 7 V saturation may be used The use of shielded cable is recommended Follow the EMC Installation Guidelines for shield connection OUTPUT WIRING Relay Connections To prolong contact life and suppress electrical noise interference due to the switching of inductive loads it is good installation practice to install a snubber across the contactor Follow the manufacturer s instructions for installation Note Snubber leakage current can cause some electro mechanical devices to be held ON APPENDIX B SPECIFICATIONS AND DIMENSIONS 1 DISPLAY 4 digit with F C indication 0 56 14 2 mm high LED minus sign displayed for negative temperatures 6 digits for integrator totalizer Flashing display for totalizer overflow ULULUL displayed for input overload and OLOLOL displayed for underload negative overload 2 POWER REQUIREMENTS Switch selectable 115 230 VAC 10 50 60 Hz 14 VA Isolation 2300 Vr
49. for AN LO Adjust the zero potentiometer right side so that exactly 4 00 mA flows as verified by an accurate ammeter Next apply a temperature resistance to the indicator so that the display reading is above that of the value entered for AN HI See Appendix for max input voltage Adjust the span potentiometer eft side so that 20 00 mA is flowing Repeatthe zero and span adjustments until both are accurate Analog output calibration is complete ALARM OPTION RELAYS RATED 5A 120 240VAC T ANALOG RESISTIVE LOAD X 25 Y OUTPUT RELAY 1 RELAY 2 5 lt 6 OPTIONZ lt T T ow oo 0 i2 3 4 5 6 7 8 9 10 110 O SS S SSSSS 0 to 10 VDC Calibration Exit the programming mode and apply a temperature resistance to the input of the indicator so that the display reading is below that of the value entered for AN LO Adjust the zero potentiometer right side so that exactly 0 00 VDC flows as verified by an accurate voltmeter Next apply a temperature resistance to the input of the indicator so that the display reading is above that of the value entered for AN HI See Appendix for max input voltage Adjust the span potentiometer left side so that 10 00 VDC is flowing Repeat the zero and span adjustments until both are accurate Analog output calibration is complete 34 APPENDIX A INSTALL
50. g formula and example show the calculation of appropriate slope and offset values Desired Display slope x actual temp display offset slope difference of two desired temperature points difference of two actual temperature points offset one desired temperature point slope x one corresponding actual temperature point Example The meter is displaying 52 degrees and 146 degrees actual temperature when the calibrated temperature reference shows that 50 degrees and 150 degrees respectively should be displayed desired temperature First determine the new slope value using the sets of temperature points Next determine the new offset value by using either one of the temperature Pam s offset 150 146 x 1 0638 offset 5 3 OFFSET AND SLOPE DISPLAY TEMPERATURE Cont d SET UP PHO 27 SLOPE 1 0638 OFFSEt 5 3 This feature allows the operator to manipulate the displayed temperature reading The operator may utilize this feature for example when switching thermistor probes to compensate for differences in thermistor probe accuracy from one manufacturer to another or to offset the input reading to match a Reference temperature The displayed temperature can be offset either positive or negative to the actual measured temperature Programming a positive number for the offset value increases the display value Programming a negative number for the offset value decreases the display value
51. g out of subsequent sales of RLC products or prod ucts containing components manufactured by RLC and based upon personal injuries deaths property damage lost profits and other matters which Buyer its employees or sub contractors are or may be to any extent liable including without limitation penalties imposed by the Consumer Product Safety Act P L 92 573 and liability imposed upon any person pursuant to the Magnuson Moss Warranty Act PL 93 637 as now in effect or as amended hereafter No warranties expressed or implied are created with respect to The Company products except those expressly contained herein The Customer acknowledges the disclaimers and limi tations contained and relies on no other warranties or affirmations Red Lion Controls 20 Willow Springs Circle York PA 17402 Tel 1 717 767 6511 Fax 1 717 764 0839 Red Lion Controls France 56 Boulevard du Courcerin Batiment 21 ZI Pariest F 77183 Croissy Beaubourg Tel 33 64 80 12 12 Fax 33 64 80 12 13 IMY IM A 3 02 DRAWING NO 1 0311 Red Lion Controls BV Databankweg 6C NL 3821 AL Amersfoort Tel 31 33 472 32 25 Fax 31 33 489 37 93
52. gt 5 10 DAC ISOLATED 10 ANALOG a Voc K UK 2 Q 1 T ANALOG 8 s 1 EUM z 4 to 20 mA z E X V 50 20 SRC 12 4 1 avy TERT 2 DAC 0 3 LC 11 Reference Installation and Connections section for power connection O to 10 VDC Note Analog and Alarm common are separate and isolated from the signal common The commons should NOT be tied together TBB PROGRAMMING AND OPERATING THE IMY PROGRAMMING THE IMY Although the unit has been programmed at the factory the set ups will generally have to be changed to suit the application Basic set up is complete after selection of the temperature units decimal point placement and selection of the digital filtering level Before actually trying to program the indicator it is advised to organize all the data for the programming steps to avoid any possible confusion and to read the programming procedure entirely before proceeding To set up the indicator connect primary power and signal wires as outlined in the connections section Appendix Remove the jumper wire if installed from TBA 3 PGM DIS This will allow the operator to enter and modify all of the indicator s parameters Press the front panel button labeled P momentarily Briefly the display will show Pro alternately flashing with 0 This is the indicator s programming mode The programming mode is divide
53. he alarms can be accomplished in the normal programming mode Pro 6 or the unit can be programmed so that the values can only be changed in the quick programming mode If the display should indicate an OLOLOL ULULUL or SHort the alarms will de energize whether they are latched or unlatched Note Alarm Comm TBB 8 must be kept isolated from analog ALARM TIMING DIAGRAMS LOW ACTING TEMPERATURE F 190 TEMPERATURE PROFILE 185 180 175 170 ALARM 170 165 HYSTERESIS 5 160 155 TIME ALARM OFF ON OFF UNLATCHED OFF ON ON LATCHED 26 HIGH ACTING TEMPERATURE F TEMPERATURE PROFILE 185 i80 ALARM 180 175 HYSTERESIS 10 170 p 165 160 155 150 TIME ALARM OFF ON OFF UNLATCHED OFF ON ON LATCHED 20 mA CURRENT LOOP SERIAL COMMUNICATIONS Optional GENERAL DESCRIPTION The serial communication option is a half duplex two way 20 mA loop that can connect to a variety of printers computers terminals and controllers to suit many data polling or automatic operation applications The indicator responds to a host of commands including change alarm value reset totalizer and transmit input value Two loops are required for all hook ups a transmit out going data loop and a receive in coming data loop Since the indicator monitors the receive loop for
54. he cable usually when the noise source frequency is above 1 MHz c Connect the shield to common of the unit and leave the other end of the shield unconnected and insulated from earth ground 3 Never run Signal or Control cables in the same conduit or raceway with AC power lines conductors feeding motors solenoids SCR controls and heaters etc The cables should be run in metal conduit that is properly grounded This is especially useful in applications where cable runs are long and portable two way radios are used in close proximity or if the installation is near a commercial radio transmitter 4 Signal or Control cables within an enclosure should be routed as far away as possible from contactors control relays transformers and other noisy components 36 5 In extremely high EMI environments the use of external EMI suppression devices such as ferrite suppression cores is effective Install them on Signal and Control cables as close to the unit as possible Loop the cable through the core several times or use multiple cores on each cable for additional protection Install line filters on the power input cable to the unit to suppress power line interference Install them near the power entry point of the enclosure The following EMI suppression devices or equivalent are recommended Ferrite Suppression Cores for signal and control cables Fair Rite 0443167251 RLC 0000 TDK ZCAT3035 1330A Steward 28B2029 0A0 Lin
55. input or integrator totalizer display alarms alarm values and hysteresis deadband values ALARM TRACKING With alarm tracking whenever alarm 2 is changed alarm 1 will also change so that the offset between alarm 2 and alarm 1 remains the same This is useful for hierarchical setpoints pre alarm and alarm when one change applies to both alarm values When programming from the front panel tracking only occurs when PGM DIS is low front panel lock out mode alarm 1 will not appear Tracking will always occur if alarm 2 is modified via serial communications independent of PGM DIS trAc lt gt yES or NO DISPLAY ALARMS If display alarms are desired a message will flash on the display every 5 10 secs when an alarm activates For alarm 1 the message will flash ON and alarm 2 will flash AL2 ON This warns an operator of an alarm condition The message will stop when the unit is no longer in an alarm condition dISP lt gt yES or NO AUTO OR MANUAL RESET FOR ALARM 1 The reset action of alarm 1 may be programmed to reset automatically unlatched or be programmed to require a manual reset latched through either a remote input 1 or optional E2 CON or through the front panel Latched alarms are usually used when an operator is required to take some action for the alarm condition LAtC 1 lt gt yES or NO 14 ALARM 1 ASSIGNMENT
56. mperature Monitoring Example 29 INTEGRATOR TOTALIZER PEAK VALLEY TEMPERATURE OFFSET Optional 23 Integrator Totalizer s tttm mme e 23 Peak Valley TT 23 Offset And Slope Display Temperature n n n e e nnn 23 Integrator Totalizer Example sett nnnm m Ier 24 Integrator Totalizer Set Up n nn nmm 24 ALARMS Optional ss tert n I hh hh hh nnn 26 20 mA CURRENT LOOP SERIAL COMMUNICATIONS Optional 8 0 08 088 27 General Description 27 Communication Format 27 Sending Commands to the IMY n n n tn t tm men 28 Command String Examples es cn es Nie ea ee ee ee ee ee ee eee eee 28 Receiving Data from the IMY eee enne 30 Current Loop Installation nens 30 Serial Terminal Descriptions 30 Serial Communications Examples set cette nee nee 31 RE TRANSMITTED ANALOG OUTPUT Optional 33 Analog Output Calibration 34 APPENDIX INSTALLATION amp CONNECTIONS
57. ms for 1 min To all inputs and outputs Working Voltage 300 V max CAT II 3 CONTROLS Three front panel push buttons for modifying alarm values and indicator set up Two external inputs for disabling the front panel and controlling programmable functions 4 SIGNAL INPUT 2 Wire 400 Series 2 252 ohm Thermistor or 3 wire 700 Series Thermolinear thermistor Max Input Signal Voltage 15 VDC Input Common potential with respect to earth Common 50 V max CAT I 5 OPEN THERMISTOR DETECTION Display ULULUL Setpoint Outputs Disabled Deactivated Serial Output ULULUL in data field Integration Totalization Disabled Analog Output 4 mA 6 RANGE 400 Series 40 0 to 125 0 C 40 0 to 257 F 700 Series 30 0 to 100 0 C 22 0 to 212 F 7 RESOLUTION 0 1 or 1 degree 8 ACCURACY 0 2 C 0 36 F 5 LSD 23 C and 10 min warm up 9 READING RATE 2 5 readings second 10 RESPONSE TIME 2 seconds to settle for step input increases with programmable digital filtering 11 NORMAL MODE REJECTION 40 dB at 50 60 Hz may be improved by programmable digital filtering 12 COMMON MODE REJECTION 120 dB DC to 50 60 Hz 13 INTEGRATOR TOTALIZER Front panel button for input total display select External integrator totalizer reset enable Programmable time base scale factor 0 001 999 999 and low temp cut out Maximum response time 0 2 sec 14 E1 CON amp E2 CON External remote inputs which allow a
58. not conform Only one operation can be performed per command string Below is a description of how to construct a command string 1 Ifthe indicator has an address other than zero the first two characters of the string must consist of the address command N followed by the unit address number 0 99 If the indicator has an address of 0 the address command is optional 2 The next two characters in the string are the actual command the indicator must perform and the identifier on which it operates Command P print Value I zero offset and J offset input have implied operators and need no additional characters 3 If the change value command is being used V the next characters in the string after the value identifier are the numerical data When sending numerical data such as change an alarm value the correct number of digits to the right must be included As an example to change an alarm value from 150 2 to 50 0 Sending 50 would cause the indicator to see 5 0 and change the alarm value accordingly 4 All commands must be terminated by an asterisk The indicator will not respond to any other code Carriage return and line feed are not valid terminators and should be suppressed with the character if using a BASIC print statement ex Print N9TA COMMAND STRING EXAMPLES Indicator with address 3 transmit temperature reading N3TA Indicator with address 0 change alarm 1 to 150 VC150 Indicator with address 1 res
59. nput calibration Reset programming to factory configuration APPENDIX E ORDERING INFORMATION MODEL NO DESCRIPTION TOTALIZER PEAK VALLEY SLOPE OFFSET E2 CON SERIAL OUTPUT ANALOG OUTPUT PART NUMBERS FOR AVAILABLE SUPPLY VOLTAGES 115 230 VAC Intelligent Meter for Thermistor Inputs NO NO NO NO IMY00160 NO NO NO IMY00162 YES NO NO NO IMY02160 YES NO NO IMY02161 YES YES NO NO IMY02162 YES NO NO 4 to 20 mA IMY02163 YES YES YES 4 to 20 mA IMY02167 YES YES YES 0 to 10 VDC IMY02169 For information on Pricing Enclosures amp Panel Mount Kits refer to the RLC Catalog or contact your local RLC distributor 44 LIMITED WARRANTY The Company warrants the products it manufactures against defects in materials and work manship for a period limited to one year from the date of shipment provided the products have been stored handled installed and used under proper conditions The Company liability under this limited warranty shall extend only to the repair or replacement of a defective product at The Company option The Company disclaims all liability for any affirmation promise or repre sentation with respect to the products The customer agrees to hold Red Lion Controls harmless from defend and indemnify RLC against damages claims and expenses arisin
60. o the unit DEFINITION OF TERMS INSTALLATION CATEGORY overvoltage category I Signal level special equipment or parts of equipment telecommunication electronic etc with smaller transient overvoltages than Installation Category overvoltage category II INSTALLATION CATEGORY overvoltage category Il Local level appliances portable equipment etc with smaller transient overvoltages than Installation Category overvoltage category II 292 GENERAL DESCRIPTION The Apollo Intelligent Thermistor Meter IMY accepts standard Thermistor inputs and precisely linearizes them into temperature readings Like an RTD a thermistor is a temperature sensitive resistor but the thermistor provides a much larger resistance change per degree Since thermistors provide a large resistance change significant errors from long lead lengths or switches are eliminated Other advantages of using a thermistor are accuracy repeatability long term stability and sensor cost A full 6 digit display accommodates a wide range of temperature inputs and holds large totalization values State of the art digital circuitry virtually eliminates errors due to drift A full complement of option packages is available to fulfill many process applications The IMY supports two popular thermistor series the 400 Series 2 252 Ohm thermistor and the 700 Series Thermolinear thermistor Selection between the two types is done in Programming Module 1 The indicator f
61. of other functions if enabled in Pro 3 as well In the normal meter mode these functions are available To switch to display of input Press DOWN button To switch to display of totalizer Press button To reset totalizer to zero Press and hold UP and press P To enter programming or quick programming Press P After each operation a message will appear briefly to acknowledge the action FACTORY CONFIGURATION Pro 6 NO The following chart lists the programming of the unit when shipped from the dISP NO factory In Program Module 9 Code 66 will restore the unit to these values LAtC 1 NO ASN 1 INPUt AL 1 0 0 F Pto 1 700 HYS 1 0 1 F SCALE F Act 1 HIP dECPNt 0 0 AtC 2 NO ASN 2 INPUt Pro 2 SLOPE 1 0000 AL 2 0 0 F OFFSEf 0 0F HYS 2 0 1 F Act 2 HI Pro 3 dSP AL yES ENt AL yES dSPHYS yES Pro s bAud 1200 ENtHYS yES AddrES 0 StAL yES Print 90 dSPbUF yES FULL yES rStbUF yES SELdSP 5 Pro 8 ASIN INPUt yES SC HSPOFF YES AN HI 100 0 F ENtOFF yES Pro 4 Filter 1 E1 CON 4
62. ored back to the factory configuration by entering a specific access code refer to the Factory Configuration section for the data that will be entered The procedure consists of entering Pro 9 keying in Code 66 then pressing P The IMY responds by displaying INItAL for several seconds and then returns to Pro 0 Note When this procedure is performed all of the scaling presets etc that were programmed into the IMY will be overwritten CodE lt gt 66 OPERATING THE IMY After completing all set up operations the unit is ready to install and operate After power is applied a display test consisting of illuminating all segments for 2 seconds is performed Afterward the input or total will appear depending upon the display mode prior to the last power down To switch the display to input press DOWN indicated by arrows on the front panel and to switch it to total press UP If the integrator totalizer option is not installed then display switching to total is inoperative A minus sign will precede numbers that are negative QUICK PROGRAMMING To limit access to the set up parameters connect a key switch or wire from PGM DIS TBA 3 to COMM TBA 7 With this pin connected to common only a predetermined amount of data can be viewed or altered as programmed by programming module 3 If NO was programmed for all of the available steps in module 3 then
63. orted NORMAL ACTING E 20 10 lt E E 4 0 e 1 gt DISPLAY AN LO by calculating the slope and intercept of the display output and calculating the required display values at 4 mA or 0 VDC and 20 mA or 10 VDC Reverse action can be achieved by programming a high display value for AN Lo low display value for AN HI If the display should indicate an OLOLOL ULULUL or SHort the analog output will go to 20 mA or 10 VDC for an OLOLOL or SHort and 4 mA or 0 VDC fora ULULUL Note Analog must be kept isolated from Alarm Comm TBB 8 ANALOG OUTPUT DIAGRAMS REVERSE ACTING 8 20 10 4 2 2 E 4 0 o L P DISPLAY AN HI AN LO 33 ANALOG OUTPUT CALIBRATION Although the analog output has been calibrated at the factory zero and span adjustments are provided to compensate for small offsets and drifts If excessive drift is noticed the following calibration procedure may be performed Scale the analog output by entering an arbitrarily larger display value for AN HI then for AN LO in PRO 8 Note Set the analog output source assignment for input 4 to 20 mA Calibration Exit the programming mode and apply a temperature resistance to the input of the indicator so that the display reading is below that of the value entered
64. pressing P will cause the unit to display Loc However if YES was programmed in one or more of the steps then P will invoke entry into a series of commonly modified parameters while protecting the crucial set up information This is referred to as the quick programming mode When quick programming mode is entered the alarms and hysteresis values can be modified in the same manner as in the regular programming mode The new alarm and hysteresis values will take effect when P is pressed 19 The other operations in the quick programming mode require special key sequences as shown To reset latched alarm scroll through steps in quick programming mode using the P button until LAtCH or LAtCH2 appears in the display If they do not appear they are not latched To reset While LAtCH1 or LAtCH2 is being displayed press and hold DOWN and press Pressing P alone causes a step to the next item with no action on the alarm To reset peak and valley buffers scroll through steps in quick programming mode using the P button until PEA or VAL appears in the display To reset While PEA or VAL is being displayed press and hold DOWN and press Pressing alone causes a step to the next item with no action taken on the buffer The front panel buttons are not only used to input data during the programming and quick programming mode but control a number
65. r Enter time base second minute hour Enter multiplying scale factor Enter low signal cut out Pro 6 PROGRAM ALARMS Enable alarm value tracking Enable display alarm annunciators Enable alarm 1 latching Enter alarm 1 trigger source temp or integrator total Enter alarm 1 value Enter hysteresis value for alarm 1 Enter alarm 1 action high or low Enable alarm 2 latching Enter alarm 2 trigger source temp or integrator total Enter alarm 2 value Enter hysteresis value for alarm 2 Enter alarm 2 action high or low Pro 7 PROGRAM SERIAL COMMUNICATIONS bAud AddrES Print B ND 9 FULL Enter baud rate Enter loop address number 0 99 Enter print function or P command function through Serial Option temp temp peak valley and offset temp and alarms temp peak valley alarms hysteresis and offset total temp and total temp total peak valley and offset total and alarms temp total and alarms temp total peak valley alarms hysteresis and offset Enable complete or abbreviated printing Pro 8 PROGRAM RE TRANSMITTED ANALOG OUTPUT ASIN AN Lo AN HI Select source of analog output input or total Enter 4 mA or 0 VDC display value Enter 20 mA or 10 VDC display value Pro 9 SERVICE OPERATIONS Protected by access codes Code 39 Code 48 Code 66 Serial hardware loop back test Basic i
66. st be divided by 60 and then added to the hours 25 ALARMS Optional The alarm option consists of an additional printed circuit board with nine terminals Six of these terminals are the two Form C relays and the other three are the two open collector transistors which act in parallel with the relays The two alarms are completely independent with programmable values hysteresis deadband high or low acting auto or manual reset triggering from input or total and tracking one another if desired If the alarms are programmed to latch manual reset then they will have to be reset either by the front panel or remote input The alarms can be made to trigger from the integrator totalizer instead of the input to activate external alarms control valves etc Additionally the alarms may be programmed to activate an alarm display to alert operators of the condition Alarm 1 can be made to track Alarm 2 by enabling alarm tracking This is useful in alarm set ups where a pre warning control activates before a second alarm shuts off the process When tracking is programmed changing the shut off trip value Alarm 2 automatically changes Alarm 1 so that the offset between Alarm 2 and Alarm 1 remains the same Alarm and hysteresis values can be modified through the optional serial communications to provide automatic control The following diagrams depict how the alarms work with both HI and LO acting set ups Programming of t
67. st two characters transmitted are the unit address number unless it is zero in which case it is left blank Then two blank spaces are sent The next three characters are the abbreviation for the value mnemonics which is then followed by a blank The actual data is transmitted next The field is right justified with leading zeros Negative numbers are indicated by a minus sign fixed next to the identifier A carriage return and a line feed are transmitted next For various reasons extra characters are added onto the end of the above character string These characters could be and are used for control or signaling purposes These characters are lt CR gt sent after single line transmissions from IM unit lt SP gt lt CR gt lt LF gt sent after last line of a block transmission from IM For a T command or after each line of a block transmission no additional characters are sent If the abbreviated transmission is selected the address mnemonics and any blank spaces first eight characters are not transmitted the data strings are left justified in this case If the transmitted data is overrunning the peripheral s buffer the receive channel to the indicator may be used for handshaking purposes As a consequence of this even if the indicator is to transmit only ex to a printer current must be flowing in the receive channel to allow transmission 30 Examples of transmissions are as follows 2 INP 125 7F
68. tate LEDs The alarm option employs opto isolators to isolate the open collector devices from meter common Operating in parallel the relays are type Form C and are rated at 5 amps The serial communication option features a built in 20 mA current source and complete opto isolation The analog option features a 12 bit DAC and provides a 4 to 20 mA or 0 to 10 VDC output that is digitally scaled The analog output is isolated from meter common BLOCK DIAGRAM 9 NE 3 1 5VDC 12VDC 1 1 P DISPLAY COMM INPUT POWER jaune z POWER SUPPLY x m Z 888888 lin 45VDC o o Leo m PGM DIS 3 oS Nc 5VDC E1 CON 4 PROGRAM i m DISABLE 41 comm Z N E Pl E1 CON NONVOLATILE M 5 5 3 SIGNAL K P MEMORY VOLTAGE PROCESS T1 16 FREQUENCY 6 NC CIRCUITRY E l E2 CON 5VDC B COMMON 7 7 01 SNK m SERIAL IN E2 CON 8 lt t SERIAL OUT 5VDC 8 comm PL ANALOG OUT i 20mA SRC 9 1 G3 9 02 SNK y 506 12 BIT
69. temperature probe This scaling is NOT required for most applications Pro lt gt 3 Module 3 allows the user to program what can be accessed from the front panel when the PGM DIS Program Disable TBA 3 pin is connected to common This feature protects critical set up data from accidental modification while allowing access to setpoints and other functions The front panel lock out menu quick programming includes setpoint modification integrator totalizer resetting and peak valley resetting Note The term Quick Programming is used to refer to the ability to change the information that can be accessed from the front panel when the PGM DIS terminal is connected to COMM Pro lt gt 4 Module 4 programs the digital filtering level and the function of the remote input E CON pin TBA 4 and if the totalizer option is installed the remote input 2 pin TBA 8 The functions of the remote El and E2 pins are the same and include display hold peak valley modes totalizer reset alarm reset temperature offset reading synchronization or print request 272 DISPLAY RESULT OF P BUTTON Pro lt gt 5 This module sets the time base scale factor and low temperature disable function for the optional integrator totalizer Pro lt gt 6 This module allows programming for the basic configuration of the alarm option The programming includes HI LO acting
70. tual input value at that time 5 A negative going edge resets both peak and valley buffers Note If P V is called up a change will not appear on the display until the next time the P V is called up 6 A negative going edge resets only the peak buffer and the indicator enters a peak reading display mode as long as the input is low If the input goes high peak detection and indication are stopped and the last peak reading is retained 7 A negative going edge resets only the valley buffer and the indicator enters a valley reading display mode as long as the input is low If the input goes high valley detection and indication are stopped and the last valley reading is retained 8 If the alarm option is installed a negative going edge resets the latched alarm s PROGRAM FUNCTION OF E1 CON AND OPTIONAL E2 CON Cont d 9 If the alarm option is installed a low level resets a latched or unlatched alarm into its inactive state This provides manual override of alarms for system start up and other unusual events such as system testing 10 A negative going edge toggles the display between input and total from input to total or vice versa No action is taken on the positive going edge 11 negative going edge zeros tares the input signal and adds the value that was in the input display to the totalizer value every time this operation is performed The time base scal
71. unit receives commands on the SI terminals They are connected in series with the transmit or output terminals of the device to be connected 12 SO 20 mA SRC Serial Out 20 mA current source for the transmit loop internally connected 13 SO Serial Out The unit transmits the requested data on the SO terminals They are connected in series to the receive input of the device to be connected Note The Serial Input terminals must be held in the mark condition current flowing in order for the unit to respond to a Print Request terminal activation SERIAL COMMUNICATIONS EXAMPLES SERIAL OPTION CONNECTING TO AN RLC PRINTER g The drawing shows the indicator with the 20 mA Serial Communication d Option set up with an RLC Model DMPC printer An external current source 95 8 amp is required to implement the printer s busy signal to the indicator s receive 52 as 568 t loop which prevents overruns The Print switch is a momentary contact E T TO E T amp push button type connected between the E2 CON TBA 8 and the signal CC TR common 7BA 7 The print function and E2 CON must be pro grammed 1 2 5 56 7 B 10 11 12 18 and the baud rate must match those of the printer If a printer is use
72. value will roll over and flash when the total exceeds 999999 or 99999 indicating an overflow condition Reverse signal input will cause the totalizer value to count in the opposite direction and eventually no longer be in an overflow condition PROGRAM DECIMAL POINT POSITION FOR THE INTEGRATOR TOTALIZER The decimal point position for the totalizer are as follows dECPNt lt gt 0 0 0 0 00 0 000 0 0000 PROGRAM INTEGRATOR TOTALIZER TIME BASE The time base determines the rate at which readings increase The integrator totalizer display is updated 2 gt times per second regardless of time base selected but longer time bases decrease the magnitude of each increase The three time bases are per second per minute and per hour A constant input temperature of 100 for example would integrate totalize to 100 in one second with a TB of 1 sec 100 in one minute with a TB of 1 min and 100 in one hour with a TB of 1 hr Note Input changes can be made synchronous to the display by programming El or optional E2 CON pin for function 13 Instrument reading synchronization A multiplying scale factor may be used to span the standard time ranges or divide if scale factor lt 1 The following equation expresses the integration totalization process ef D T TB DIDE ID TIME LDDP S F Programmable Scale Factor D T Desired Totalizer value for a fixed time duration T

Apollo Intelligent Meter Series IMY User's Manual

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