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Partlow MRC7000 circular chart recorder user manual

1. oPEr tESt CAL Prog EASt MODE DISPLAY CODE FUNCTION DESCRIPTION Off oFF Operation Limits and Alarms are Off Chart may stop rotating selectable Operate oPEr Operation Limits and Alarms are Active Test tESt Service Tests Instrument Operation Calibration CAL Service Calibrates Instrument Program Prog Configuration Configure Operating Parameters Alarm Set ASEt Configuration amp Enter Alarm Settings Operation Enable Enab Configuration Mode security system can lock out everything except Off and operate See Appendix A 1 page 50 for hardware lockout information Associated with each mode is a series of unigue displays which are accessed via the front keypad Prior to first time operation of the unit the configuration procedures for the Program and Alarm Set modes must be performed as applicable Calibration and Test modes are not used as part of the instrument configuration or operation These are used for service and mainte nance functions and are discussed in Section 4 6 of this manual page 43 Shipped Configuration Jumper Positioning 3 2 Each instrument is factory shipped ready to accept a thermocouple input on TB 4 and TB 5 All configuration parameters in each mode are set to default values These defaults are shown in tabular form after the description for each mode Instrument AC power input is as specified in the instrument model number and is shown on the ratings label The 230 VAC option i
2. Then 7XXX will be displayed X representing digits then XXXX then XXXX identifying the twelve digit model number as defined in the order matrix Next the EPROM part number will be indicated P XX After the EPROM part number the software revision level will be displayed in the format rX XX followed by P dn if Pen Action on Power Up PAPU in Program Mode is set to 0 pens go to home position at power up During this display the decimal point after the P will blink to show the mode is active Upon successful completion of this routine oPEr or oFF will be displayed for about 3 seconds The mode displayed will be mode that the instrument was in when the power was turned off During this time the operator may select another mode Alarm Set Enable or non operational mode Test Program Cal Step 3 If any error messages are displayed refer to Section 4 6 page 43 for a definition of these error messages and the required action Front Panel Operation 3 5 3 5 1 DIGITAL DISPLAY AND STATUS 5 The digital display provided for each pen has 4 digits and a decimal point Each digit has Seven segments and is capable of producing numeric characters from 0 9 and certain alpha characters The digital display is used to provide indication of process variable as well as displaying codes used for configuration and operation of the instrument ALRM1 Red Rcdr Lights when Alarm 1 is on Limit Lights when Limit has been exceeded ALRM2 Re
3. are designated as Relay A and Relay B only FIGURE 2 10A SPST Relay Output Connections are made to relays A through F as shown Terminal connections are made using TB6 Relay SSR Driver A B TB7 Relay SSR Driver C D and TB8 Relay SSR Driver E F HOT NEU POWER LOAD 5 AMPERES MAXIMUM HERE ins N O C TB6 Relay A amp B Relay A Terminals 1 amp 2 TB7 Relay C amp D Relay C Terminals 1 amp 2 TB8 Relay E amp F Relay D Terminals 1 amp 2 FIGURE 10B SPDT Relay Output HOT POWER LOAD 5 AMPERES AT 115 VAC N O C N C TB6 Relay A TB7 Relay B FIGURE 2 11 SSR Driver Output Connections are made to relays H through A as shown SOLID STATE RELAY TB6 THRU TB9 TB9 SSRD G H all cases TB8 SSRD E F no SPDT relays TB8 SSRD C D SPDT relay s E and F not available FIGURE 2 12 Current Output Connections are made to current outputs A thru D as shown Each current output is program mable as either 4 to 20 mADC or 0 to 20 mADC Each output must be assigned to the desired function refer to Table 3 2 page 28 for details Terminal connections are made using TB10 through TB13 for current output A through D respectively Connect positive lead to terminal 1 and the negative lead to terminal 2 Current outputs will operate up to 650 ohms maximum load SHIELDED TWISTED PAIR 650 OHMS MAXIMUM FIGURE 2 13 Transmitter Power Supply Input I
4. press the RESET key after the limit condition has been cleared NOTE The setpoint cannot be changed if the Limit setpoint has been exceeded Service 4 1 This section contains information regarding calibration and test procedures that can be performed in the field as well as items concerning the normal maintenance of the instrument Changing Charts 4 2 Chart changes may be done while in the normal operating mode CAUTION The chart flange assembly pin is sharp to perforate the chart Use caution while installing the chart to avoid coming into contact with the pin 1 Depress and hold the UP and DOWN keys for between 2 and 3 seconds Immediately after depressing the keys the unit will do a Lamp Test with all LED segments and indicators lighted on the upper and lower display 2 After 2 3 seconds the display will show Cchg the pen s will move to and remain at a point above the top graduation on the chart and the chart will stop rotating All other functions remain active Operate Display etc 3 Open the instrument door snap up the chart hold down lever on the chart flange assembly gently lift the pen s and remove old chart 4 With the pen s held up install new chart Be sure to line up the chart time line so that the current time is aligned with the time setting mark on the chart platen 5 Snap down chart hold down lever and close the instrument door 6 Depress and hold the UP and DOWN keys for between 2 and 3
5. 0 1 Assigned to Alarm 1 Pen 1 2 Assigned to Alarm 2 Pen 1 3 Assigned to Alarm 1 Pen 2 4 Assigned to Alarm 2 Pen 2 22 Relay B Assignment rLyb Same selection as rLyA 0 23 Relay C Assignment rLyC Same selection as rLyA 0 24 Relay D Assignment rLyd Same selection as rLyA 0 25 Relay E Assignment rLyE Same selection as rLyA 0 26 Relay F Assignment rLyF Same selection as rLyA 0 27 Relay G Assignment rLyg Same selection as rLyA 0 28 Relay H Assignment rLyH Same selection as rLyA 0 29 Current Output A CurA 0 Not Assigned 0 Assignment 1 Assigned to Process Value Output Pen 1 2 Assigned to Process Value Output Pen 2 30 Current Output B Curb Same selection as CurA 0 Assignment 31 Current Output C CurC Same selection as CurA 0 Assignment 32 Current Output D Curd Same selection as CurA 0 Assignment 33 Current Output A Range CoAr 0 0 20 mA 1 1 4 20 mA 34 Current Output B Range Cobr Same selection as CoAr 1 35 Current Output C Range CoCr Same selection as CoAr 1 36 Current Output D Range Codr Same selection as CoAr 1 37 Chart Rotation Time Crt 0 1 to 999 0 hours per 1 0 rotation 38 Pen Action on Power Up PAPu 0 Pen s go to the home 0 position towards chart center when powered up 1 Pen s remain in last position prior to power down 39 Chart Operation Coo 0 Chart continues rotating 0 in Off Mode in the Off mode 1 Chart stops rotating while in the Off mode STEP 40 41 42 43 DISPLAY AVAILABLE FACTORY YOUR DESCRIPTION CODES
6. 11 Setpoint Lower Limit SPLL 9999 to 9999 0 Limit Only 12 Process Rounding of Prnd 0 No Rounding 0 Displayed value 1 to 100 degrees units 13 Display Filter Factor dFF 1 No filtering 1 1 to 20 units number of values averaged 14 Process Filter Factor PFF 1 No filtering 1 1 to 20 units number of values averaged 15 Process Value Output Pout 0 Not selected 0 If Pout 0 then Pou and 1 Selected PoL will not be displayed 16 Process Output Pou 9999 to 9999 degrees units 2000 Upper Value 17 Process Output PoL 9999 to 9999 degrees units 0 Lower Value 18 Chart Range Upper Value Cru 9999 to 9999 degrees units 200 19 Chart Range Lower Value CrL 9999 to 9999 degrees units 0 20 Pen Action on PAEC 0 Pen goes to 0 1 Error Condition of chart span 1 Pen goes to 10096 of chart span Pressing the SCROLL key with the PAEC parameter value displayed in the Pen 1 window will advance the display of a single pen instrument to the unit parameters Pressing the SCROLL key with the PAEC parameter displayed in the Pen 1 window of a two pen instrument will advance the display to be inPS in the Pen 2 window The Pen 2 Program mode parameter selections can be made now Pressing the SCROLL key with the PAEC parameter value displayed in the Pen 2 window will cause the display to advance to the unit parameters DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODES SETTINGS SETTING SETTING Unit Parameters 21 Relay A Assignment rLyA 0 Not assigned
7. 9999 to 9999 degrees units 0 If ASEt does not appear on the display refer to the Enable mode section of this manual for directions on how to determine if the ASEt mode is enabled If ASEt appears on the display but pressing the DOWN key causes the display to change to OFF this indicates that no alarm s have been selected in the Program mode ALARM OPERATION There are two types available per pen Process Direct or Process Reverse These are selected in the Program mode Process Alarm Direct the alarm will be ON if the process value is greater than the process alarm value selected in the Alarm Set mode Process Alarm Reverse the alarm will be ON if the process value is less than the process alarm value selected in the Alarm Set mode The alarms will be active while the instrument is in the Operate mode Alarm output chatter can be reduced by using the hysteresis adjusted in Program mode to create a deadband around the alarm point LIMIT SETPOINT OPERATION The instrument must be in the Operate mode to allow setpoint value to be displayed and adjusted In the Operate mode to view the setpoint press and release the UP or DOWN key The displayed value is the setpoint To change the setpoint value press and hold the appropriate key Press and hold the UP key to increase the setpoint or press and hold the DOWN key to decrease the setpoint The setpoint will change slowly at first then faster as the key is held To reset the limit output
8. Chart Range Chart Drive Chart Rotation Pen Type Pen Color Pen Response Time Accuracy Chart Rotation Accuracy 10 inch circular chart 100 charts furnished with each instrument if standard range 9999 to 9999 degrees units DC stepper motor User configurable from 0 1 to 999 9 hours per revolution Disposable Fiber tip Pen 1 Red Pen 2 Green lt 9 seconds over chart span 1 0 of chart span max error from displayed value 5 of chart rotation time DIGITAL COMMUNICATIONS Type Character Format Protocol Configuration Bit Rate Address RS 485 serial communications port Half duplex bi directional communications scheme ASCII Per ANSI X3 28 subcategories 2 5 amp A4 User configurable to Monitor read only or Normal read and write User configurable to 300 600 1200 2400 4800 or 9600 bits per second User configurable for each pen 0 to 99 Appendix E Software Reference Sheet PROGRAM MODE ENABLE MODE Pen 1 Pen 2 ECAL EPro EASt ESPC ALARM SET 59 Warranty and Return Statement These products are sold by The Partlow West Company under the warranties set forth in the following paragraphs Such warranties are extended only with respect to a purchase of these products as new merchandise directly from The Partlow West Company or from a Partlow West Company distributor representative
9. SETTINGS SETTING SETTING Communications Options Parameters Communication CCon Configuration Communication Bit CbS Rate Selection Communications CAd1 Address Pen 1 Communications CAd2 Address Pen 2 0 01 3 1 Monitor Mode Read Only 2 Normal Mode Read and Write 3 Total Access with Limit Checking 4 Total Access without Limit Checking 1to6 6 1 300 2 600 3 1200 4 2400 5 4800 6 9600 0 to 99 1 0 to 99 2 31 KEY ih dl A1 Actual Display On Off Display Use arrow keys to turn on or off Scroll Key Numeric Display Use arrow keys to change value Up Arrow Key Down Arrow 32 ALARM SET FLOW CHART TABLE 3 3 ALARM SET MODE CONFIGURATION PROCEDURE Press and release the SCROLL key until ASEt is displayed then press the DOWN key Press the SCROLL key to advance the display through the parameters and their values Use the UP and DOWN keys to select adjust the values After selecting a parameter press the SCROLL key to proceed to the next parameter Pen 1 selections will appear in the Pen 1 window and the Pen 2 if provided selections will appear in the Pen 2 window After all selections have been made press the UP key with a parameter in the display not a setting to exit the mode DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODE SETTINGS SETTING SETTING 1 Process Alarm 1 PAL1 9999 to 9999 degrees units 0 2 Process Alarm 2 PAL2
10. displayed For software revision R2 99 and below only the pen position feedback input voltage will be displayed to the nearest tenth of a millivolt Manually move the pen up and down scale and verify that the displayed reading changes from about 0 to 50 millivolts For software revision R3 00 and above the pen position feedback input voltages are disabled and will display a fixed value of zero To terminate a particular test press the SCROLL key The display will show tSt9 4 5 10 TEST A COMMUNICATIONS HARDWARE TEST COMMUNICATIONS OPTIONAL This test allows the operator to verify that the communications hardware is functioning properly With tStA displayed press and hold the DOWN key then press the SCROLL key The display will indicate SEnd Press the DOWN key to toggle the display between SEnd and rEC With the desired function selected press the SCROLL key In the SEnd send or transmit mode the instrument will repeat the following sequence First the transmitter will output a logic 1 on the line for one second Next the transmitter will change the logic level to 0 for one second Then the transmitter will disable for one second In the rEC receive mode the transmitter is continuously disabled In either mode the instrument will monitor the line and display rEC1 when a logic 1 is on the line or rECO when a logic 0 is on the line In the SEnd mode the instrument will display rEC when the transmitter is disabled To perform an intern
11. field calibration routines All instruments are calibrated prior to shipment from factory CALIBRATION FLOW CHART PL ALA zd ea KEY gt dl E wo Actual Display On Off Display Use arrow keys to turn on or off Scroll Key gt Numeric Display Use arrow keys to change value CAL7 LOX 4 CALI Tor Up Arrow Key Down Arrow d d Oar TABLE 4 1 CALIBRATION PROCEDURES Calibration Procedure Description CAL 1 Reinitialization of program and tuning values CAL 2 Main calibration necessary for all input types CAL 3 Cold Junction Compensation calibration used to correct for component variation in the CJC circuit Necessary for thermocouple inputs CAL 4 Cold Junction Utility displays temperature the cold junction compensator is sensing No adjustment is made with this procedure CAL 5 RTD input calibration Necessary to be performed on both terminal boards CAL 6 Cold Junction Compensation on off Used for validating thermocouple inputs with a millivolt source Non temperature compensating CAL 7 Factory use only CAL 9 Pen position calibration used to calibrate pens to chart 4 4 1 CAL 1 PARAMETER RE INITIALIZATION This routine is used to clear all information in the Program and Alarm Set modes All parame ters will be reset to default values Before performing this procedure make sure that the Progra
12. located near the bottom of the instrument boards Maintain this separation of the wires to insure the best protection from electrical noise If the wires need to be run parallel with any other wiring type s maintain a minimum 6 inch space between the wires If wires must cross each other do so at 90 degrees to minimize the contact with each other and reduce cross talk Cross talk is due to the Electro Magnetic Field emitted by a wire as current passes through it 2 5 1 4 USE OF SHIELDED CABLE Shielded cable helps eliminate electrical noise being induced on the wires All analog signals should be run with shielded cable Connection lead length should be kept as short as pos sible keeping the wires protected by the shielding The shield should be grounded at one end only The preferred grounding location is at the sensor transmitter or transducer 2 5 1 5 NOISE SUPPRESSION AT THE SOURCE Usually when good wiring practices are followed no further noise protection is necessary Sometimes in severe electrical environments the amount of noise is so great that it has to be suppressed at the source Many manufacturers of relays contactors etc supply surge suppressors which mount on the noise source For those devices that do not have surge suppressors supplied RC resistance capacitance networks and or MOV metal oxide varistors may be added Inductive Coils MOV s are recommended for transient suppression in inductive coils con nected
13. or reseller and are extended only to the first buyer thereof who purchases them other than for the purpose of resale Warranty These products are warranted to be free from functional defects in materials and workman ship at the time the products leave the Partlow West factory and to conform at that time to the specifications set forth in the relevant instruction manual or manuals sheet or sheets for such products for a period of three years THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTIES HEREIN AND ABOVE SET FORTH THE PARTLOW WEST COM PANY MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICU LAR PURPOSE WITH RESPECT TO THE PRODUCTS Limitations The Partlow West Company shall not be liable for any incidental damages conseguential damages special damages or any other damages costs or expenses excepting only the cost or expense of repair or replacement as described above Products must be installed and maintained in accordance with the instructions Users are responsible for the suitability of the products to their application There is no warranty against damage resulting from corrosion misapplication improper specifications or other operating condition beyond our control Claims against carriers for damage in transit must be filed by the buyer This warranty is void if the purchaser uses non factory approved replacement parts and supplies or if the purchaser attempts to repair the produc
14. parame ter value displayed will cause the next parameter code to be displayed Depressing the UP key while a parameter code is displayed will exit the program mode and the Prog code will appear in the display Use the SCROLL key to proceed to any other mode 3 5 8 3 ONE PEN INSTRUMENTS For instruments specified and provided with only one pen all configuration and operating parameters and values will appear in the upper display which is dedicated to Pen 1 This is the only display provided 3 5 8 4 TWO PEN INSTRUMENTS Instruments specified and provided with two pens require configuration of each pen Configu ration of the Program mode is broken into three parts First the parameters that are associ ated with Pen 1 will be displayed in the upper display Next the Program mode parameters associated with Pen 2 will be displayed in the lower display Finally parameters that are common to both pens such as chart rotation speed will be displayed for configuration in the upper display Access to either the Pen 1 Pen 2 or Unit common parameters may be quickly obtained by depressing the Down key with Prog displayed The display will be PEn1 press and release the SCROLL key and display will sequence the PEn2 unit and PEn1 codes Press the DOWN key to enter the section of the Program mode desired 3 5 8 5 PROGRAM MODE CONFIGURATION Refer to Table 3 1 page 24 for configuration procedures for the Program mode All possible parameters are s
15. section of the manual page 42 If the pen s operate in Test 8 perform the pen calibration Cal 9 as described in the Calibration section of the manual page 38 Return the instrument to the oPEr and check the operation of the pen s Continued on next page 45 For software revision R2 99 and below perform Test 9 as described in the Test Section of the manual page 42 If the pen feedback voltage does not vary check the pen Potentiometer Segment board for proper ribbon cable connection to the Processor board Appendix A 1 page 50 and that the pen position fingers are making contact with Potentiometer Segment board For software revision R2 99 and below inspect to see that the Potentiometer Segment of the pen feed back is clean Use anon residue type cleaner that does not affect the plastic to clean the segment if necessary Verify the instrument is not in Change Chart function ERROR CODE DISPLAYED SnSr Sensor Break or Over Range Inspect the sensor for proper operation and connection to the instrument Acceptable sensor ranges for the instrument are listed in the Specifications section of Appendix D page 56 Verify that the Program mode input selection matches the sensor input connected page 28 or Software Ref Sheet page 59 if already filled out Check that the input conditioning jumpers on the Processor board Appendix A 1 page 50 are in the proper position for the s
16. the instrument With CAL2 displayed press and hold the DOWN ARROW key then press the SCROLL key Release both keys and the instrument will display hLd1 Press and hold the UP ARROW key then press the SCROLL key The display will momentarily blank and then CAL1 will be displayed Release both keys and depress the UP ARROW key CAL will be displayed 4 4 3 CAL 3 COLD JUNCTION COMPENSATION This routine determines and saves calibration values which correct for component variations relating to the cold junction compensation This calibration must be preceded by CAL 2 the main calibration to properly calibrate the instrument These two calibrations are all that is needed for proper operation with thermocouple inputs Test equipment 1 type J thermocouple 1 mercury thermometer 25 degrees F for equivalent Allow 30 minutes of warm up time for the instrument with the thermocouple connected before proceeding with calibration Operation With CAL 3 displayed press and hold the DOWN key then press the SCROLL key Release both keys and the instrument will display hoLd Connect the J thermocouple to TB 4 terminals 1 and 2 and place the thermometer inside the case at the bottom of the instrument Press the DOWN key deLy will be displayed for to 10 seconds then SCAn for 10 seconds The display will be the temperature to the nearest tenth of a degree C Compare the display reading with thermometer and use the UP and DOWN keys to correct the reading
17. the instrument to the surface FIGURE 2 1 IU A EC1 fe 9 0 Te 3 mm 2 Da de ila 1 2 64 mm z 15 5 384 2 mm WIDTH OF COVER 4 16 1 i 43 5 342 5 mm T 13 12 354 mm gt Panel cut out for flush mounting 25 TL 63 5mm YT Preparation for Wiring 2 5 2 5 1 WIRING GUIDELINES Electrical noise is a phenomenon typical of industrial environments The following are guide lines that must be followed to minimize the effect of noise upon any instrumentation 2 5 1 1 INSTALLATION CONSIDERATIONS Listed below are some of the common sources of electrical noise in the industrial environment gnition Transformers Arc Welders Mechanical contact relay s Solenoids Before using any instrument near the devices listed the instructions below should be followed 1 If the instrument is to be mounted in the same panel as any of the listed devices separate them by the largest distance possible For maximum electrical noise reduction the noise generating devices should be mounted in a separate enclosure 2 If possible eliminate mechanical contact relay s and replace with solid state relays Ifa mechanical relay being powered by an instrument output device cannot be replaced a solid state relay can be used to isolate the instrument 3 A separate isolation tra
18. with 01 resolution or equivalent are required Make sure that the Processor board jumpers JU4 JU6 and JU5 JU7 are in the proper positions See Appendix A 1 page 50 With CAL 5 displayed press and hold the DOWN key and then press the SCROLL key The display will now be PEn1 to indicate that the instrument is set to calibrate the RTD input on TB 4 Press the DOWN key to change the display to PEn2 to calibrate the RTD input at TB 5 Choose the input TB to be calibrated and press the SCROLL key hLd1 will then be displayed Connect the decade box at 100 ohm setting across the input terminals 1 and 2 and a jumper wire from terminal 2 to 3 Press the DOWN key and dELy will be displayed for 10 seconds then SCAn for ten seconds When hLd2 is displayed change the decade box setting to 277 ohms to the input terminals do not disturb the wiring and press the DOWN key The display will change to dELy for 10 seconds followed by SCAn for ten more seconds CAL 5 will be displayed after the calibration is completed To exit the calibration mode properly with CAL5 displayed press the UP key twice To continue to another calibration press the SCROLL key with CAL5 displayed Error recovery See section 4 6 page 43 for details on specific errors The calibration can be exited when the instrument displays hLd1 by pressing the SCROLL key 4 4 6 CAL6 COLD JUNCTION UTILITY This routine provides selection of operating modes for the cold junction compe
19. 10 seconds will cause the display to show the EnAb prompt which is the entry point into the Enable mode A hardware jumper located on the Processor Board See Appendix A 1 page 50 can be used to lock unlock the Enable mode When the jumper is moved to the locked position entry into the Enable mode is not possible until the jumper is moved to the unlock position 3 5 3 PROGRAM MODE CONFIGURATION PROCEDURE The Program mode provides a means to configure or reconfigure the instrument operation within the limits of the hardware specified and provided Parameters to be configured will be only those that are applicable as determined by the hardware provided Review the configuration procedures in Table 3 2 page 28 Use the Your Setting column in the table to record your selections 3 5 3 1 ENTERING THE PROGRAM MODE Press and release the SCROLL key until Prog is displayed This is the mode code for the Program mode With Prog displayed press the DOWN key to enter the Program mode If the Prog code does not appear refer to Table 3 1 page 24 for Enable mode instructions 3 5 3 2 MOVEMENT IN THE PROGRAM MODE Each time the DOWN key is pressed while a parameter code is being displayed such as dFF another parameter code will be displayed Press the SCROLL key with a parameter code displayed to view the parameter value selected Use the UP or DOWN keys to change the parameter value as desired for the application Pressing the SCROLL key with a
20. 21 Installation amp Wiring 7 2 2 Unpacking 7 2 3 Location 7 2 4 Mounting 7 2 5 Preparation for Wiring 8 2 6 Wiring Connections 13 SECTION 3 CONFIGURATION 3 1 Configuration Set Up 18 3 2 Configuration Jumper Positioning 19 3 3 Operation Summary 19 3 4 Start up Procedure 20 3 5 Front Panel Operation 21 SECTION 4 SERVICE 4 1 Service 33 4 2 Changing Charts 33 4 3 Changing Pens 33 4 4 Calibration 34 4 5 Test Mode 39 4 6 Troubleshooting and Diagnostics 43 APPENDICES A Board Layouts A 1 Processor Board 50 A 2 SPST Relay SSR Driver Output Board 51 A 3 SPDT Relay SSR Driver Output Board 52 A 4 Current Output Board 53 B Glossary 54 C Model Number Hardware Matrix Details 55 D Specifications 56 E Software Record Reference Sheet 59 Warranty Inside back page FIGURES amp TABLES Figure 1 1 Recorder Description 5 Figure 1 2 Recorder Display 6 Figure 2 1 Installation Panel Dimensions Conduit Opening Locations 8 Figure 2 2 Noise Suppression 10 Figure 2 3 Noise Suppression 10 Figure 2 4 Board and Terminal Locations 13 Figure 2 5 AC Power Input 14 Figure 2 6 Thermocouple Inputs 14 Figure 2 7 RTD Inputs 14 Figure 2 8 Milliamp Volt and Millivolt Inputs 15 Figure 2 9 Digital Communications 15 Figure 2 10A SPST Relay Output 16 Figure 2 10B SPDT Relay Output 16 Figure 2 11 SSR Output 16 Figure 2 12 Current Output 17 Figure 2 13 24 VDC Power Supply Option 17 Figure 3 1 Keypad Features 19 Figure 4 1 Changing Pens 33 Table
21. 3 1 Enable Mode Configuration Procedure 24 Table 3 2 Program Mode Configuration Procedure 28 Table 3 3 Alarm Set Mode Configuration Procedure 32 Table 4 1 Calibration Procedure 35 Table 4 2 Test Procedures and Description 40 FLOW CHARTS Flow Alarm Set 32 Flow Calibration 34 Flow Enable 24 Flow Program 25 Flow Test 39 Product Description 1 1 1 1 1 GENERAL The instrument is a microprocessor based circular chart recorder capable of measuring displaying and recording from a variety of inputs Applications include temperature pressure flow and others The instrument can be specified as either a single or dual pen unit Recording alarm or limit settings and other parameters are easily entered via the keypad All user data can be protected from unauthorized changes by the Enable mode security system and is protected against memory loss as a result of AC power outage by battery back up The process variable input for each terminal is user configurable to directly connect to either thermocouple RTD mVDC VDC or mADC inputs Changes in input type can easily be made by the user Thermocouple and RTD linearization as well as thermocouple cold junction compensation is performed automatically The instrument process variable inputs are isolated An isolated 24 VDC regulated transmitter power supply can be provided in the instrument for use with up to two 4 to 20 MADC sensor transducers The instrument can be ordered to opera
22. Form 2882 Price 21 00 Edition 6 Dec 1996 Revised February 1998 ONE AND TWO PEN CIRCLE CHART RECORDER MRC 7000 Installation Wiring Operation Manual NOTE manual is subject to change without notice One manual is provided with each instrument at the time of shipment Extra copies are available at the price published on the front cover I nformation in this installation wiring and operation Copyright O December 1996 all rights reserved No part of this publication may be reproduced transmitted tran scribed or stored in a retrieval system or translated into any language in any form by any means without the written permission of the Partlow West Company This is the Sixth Edition of the MRC 7000 Recorder Manual It was written and produced entirely on a desk top publish ing system Disk versions are available by written reguest to the Partlow West Advertising and Publications Depart ment We are glad you decided to open this manual It is written so that you can take full advantage of the features of your new MRC 7000 microbased chart recorder Is is strongly recommended that factory equipped applications incorporate a high or low limit protective device which will shut down the equipment at a preset process condition in order to preclude possible damage to property or products TABLE OF CONTENTS SECTION 1 GENERAL PAGE NUM BER 1 1 Product Description 5 SECTION 2 INSTALLATION amp WIRING
23. T 1 INTERNAL RAM TEST Tests the Random Access Memory internal to the microprocessor No special test equipment is required With tSt1 displayed press and hold the DOWN key then press the SCROLL key tSt1 will be displayed momentarily while the test is in progress Upon successful completion the instru ment will proceed to Test 2 4 5 2 TEST 2 EXTERNAL RAM TEST Tests the battery backed up RAM external to the microcomputer No special test equipment is required After completion of Test 1 tSt2 will be displayed momentarily while the test is in progress Upon successful completion the instrument will proceed to Test 3 4 5 3 TEST 3 PROGRAM EPROM TEST This is a checksum test to verify data integrity of the stored program No special test equip ment is required After completion of Test 2 tSt3 will be displayed momentarily while the test is in progress Upon successful completion of Test 3 tst1 will be displayed 4 5 4 TEST 4 EXTERNAL RAM CHECKSUM TEST This is a checksum test to verify the integrity of data stored in RAM and indicate the number of times the instrument has had an Error 16 or 17 The unit may have automatically recovered from these errors No special test equipment is required With tst4 displayed press and hold the DOWN key then press the SCROLL key The display will blank momentarily then momentarily display two numbers and then tst4 will be dis played These numbers indicate the number of times Erro
24. TB13 12 12345 1234 1 2 12 12 1 2 6 1 ELECTRICAL CONDUIT OPENINGS The instrument case will have 3 or 4 conduit openings depending upon the number of outputs specified To help mimumize electrical noise that may adversely affect the operation of the instrument the wires indicated below should be routed through the conduit opening specified See Figure 2 1 page 8 for conduit opening locations EC1 AC Power Input EC2 Analog input and mADC outputs EC3 SPST SPDT relay or SSR driver outputs EC4 SPST SPDT relay or SSR driver outputs provided when gt 4 relays amp SSR Drivers are specified Unused conduit openings should be sealed 2 6 2 AC POWER WIRING CONNECTIONS WARNING Avoid electrical shock AC power wiring must not be connected at the source distribution panel until all wiring connections are completed 13 14 FIGURE 2 5 AC Instrument Power Input Connect the 115 VAC hot and neutral to terminals 1 and 2 respectively of TB1 See Figure 2 4 page 13 for Terminal Board locations on the instrument Connect the 230 VAC one leg to each terminal be sure to check the position of the Voltage Selector switch provided with 230 VAC instruments The switch position must match the voltage input to the instrument Connect the AC ground at the green ground screw on the left side of the inside of the case FIGURE 2 6 Thermocouple Inputs Use TB4 for the Pen 1 input and TB5 for the Pen 2 input Connect
25. To exit press the SCROLL key and CAL 3 will be displayed again If the display stays in SCAn for more than 10 seconds press the SCROLL key CAL3 should be displayed With CAL3 displayed while pressing the DOWN key press the SCROLL key The instrument will display hoLd Press the UP key and this will store a default calibration value and proceed to dELy as described Error recovery See section 4 6 page 43 for details on specific errors The calibration can be exited if hoLd or the CJC temperature is displayed by pressing the SCROLL Key 4 4 4 CAL 4 COLD JUNCTION UTILITY This procedure displays the temperature the cold junction compensator is sensing No test equipment is required With CAL 4 displayed press and hold the DOWN key then press the SCROLL key Release both keys and SCAn will be displayed for 10 seconds while the instrument senses the CJC temperature The result will then be displayed to a tenth of a degree C The input terminals must be shorted CAL 3 must first be performed The displayed temperature is not the ambient temperature It is the temperature of the CJC To exit press the SCROLL key and CAL 4 will be displayed 4 4 5 CAL 5 RTD INPUT This procedure determines and saves calibration values relating to RTD inputs This calibra tion must be preceded by CAL 2 to properly calibrate the instrument Both RTD inputs must be calibrated and both inputs must have valid inputs during the calibration Decade boxes
26. WN keys at the same time Any defective LEDs will not light CHANGE CHART also see Changing Charts Section 4 2 If the UP and DOWN keys are held depressed for more than 2 seconds but less than 4 seconds the display will show Cchg momentarily The pen s will move to and remain ata point above the top graduation on the chart and the chart will stop rotation to allow the chart to be changed The pens will remain fully upscale with the chart OFF otherwise the unit will continue to operate normally in the current mode To restore pen s position and chart rotation press the UP and DOWN keys for more than 2 seconds but less than 4 seconds PEN RESYNCHRONIZATION To resynchronize the pen s depress the UP and DOWN keys for 4 seconds the display will show P dn momentarily the pen s are driven to the Pen Home position below the bottom graduation on the chart while the unit resynchronizes their position After about 14 seconds the pen s will return to their correct position All other functions of the unit s present mode continue to operate normally 3 5 2 1 OFF MODE When in the Off Mode all outputs and alarms are off The chart if selected may stop rotating To exit the Off mode press the SCROLL key until OPEr is displayed then press the DOWN key 3 5 2 2 ENTERING THE ENABLE MODE The Enable mode is entered by pressing and holding the UP and DOWN keys simultaneously while in the Operate or Off modes Holding the two keys depressed for
27. again Repeat the calibration until the number falls within the tolerance limits If the number remains outside the limits check the connec tions and try the calibration again If the number does not approach the tolerance limits contact the nearest representative or the factory for assistance With an acceptable reference number on the display remove the short and connect a 50 00 01 mVDC source to the TB 4 terminals 1 and 2 Be sure to observe the proper polarity when connecting the source Terminal 1 is positive and terminal 2 is negative Press the DOWN key deLy will be dis played for 10 seconds and then SCAn for 10 seconds When the calibration is complete CAL 2 will reappear Continued on next page 35 36 Error recovery See section 4 6 page 43 for details Insure that the millivolt source is connected correctly and functioning properly The calibration can be exited when hLd1 or the calibration reference number is displayed by pressing the SCROLL key CAL2 QUICK CALIBRATION This routine will allow the operator to execute a rough calibration on their unit via the keypad with no other equipment or disturbance to established wiring It is intended to provide a partial recovery from a calibration corruption where the necessary equipment indicated may not be available It should be noted that this is not intended as a substitution to the main calibration procedure described earlier and may considerable deter from the accuracy of
28. al test and verify the basic operation of the hardware place the instrument in the Send mode and verify that the display cycles through rEC1 rECO and rEC To verify that the transmitter functions properly two LED s each with a current limiting resistor can be connected with opposite polarity observed to the TB 2 terminals 1 and 2 The following three states should be observed one LED on then the other LED on then both off Alternately a load resistor can be placed on the terminals and observe that the voltage generated across the load resistor is as follows gt 3 VDC then gt 3 VDC and then 0 VDC Another method to test the communications hardware would be to connect one or more instruments in the Receive mode to an instrument in the Send mode All of the instruments in the Receive mode should have their displays alternating in sync with the instrument in the Send mode When the sending instrument displays rEC the receiving instruments should display rEC1 To terminate the test press the SCROLL key for one second Upon exit tStA will be displayed The existence of the communications hardware is dependent on the hardware configuration Trouble shooting and Diagnostics 4 6 The Trouble shooting Guidelines Section consists of two columns The first column is a list of some possible instrument conditions The second column is a list of steps that should improve the condition The steps should be performed in order until the conditi
29. are made as shown using TB2 Refer to the Protocol Manual Form 2878 for more details regarding the connections and how to use this option This document is provided only when this option has been specified If the communications network continues on to other instruments connect the cable shields together but not to the instrument A terminating resistor should be installed at the terminals of the last unit in the communications loop If the communications network ends at the instrument the shield is not connected Serial A TOWARD THE NETWORK COMPUTER CONTINUATION IF APPLICABLE 15 16 2 6 4 OUTPUT CONNECTIONS Relay output s if provided in the instrument may be assigned to alarm output functions for Pen 1 and or Pen 2 if present if instrument is recorder Relay outputs if instrument is a limit device may be assigned to limit output functions Current outputs may be assigned to process value retransmission output for Pen 1 and or Pen 2 if present The assignment of the output function is accomplished in the Program mode see Table 3 2 page 28 SPST relay and or SSR driver output s is are designated as Relay A through Relay H SPST relays begin with Relay A designation then B C etc SSR drivers begin with Relay H designation then G F etc except when 4 SSR drivers are required in conjunction with SPDT relays then designation E amp F are not available SSR driver designation becomes G H D and C SPDT relay output s
30. d 2 Two Standard TRANSMITTER POWER SUPPLY 3 Three Standard 0 None 4 Four Standard 1 24VDC Regulated Isolated Total guantity of SPST Relays and SSR Drivers must be less than or egual to 8 eight When SPDT relays are included the total must be less than or egual to six This option comes with a structural foam cover T N3 NEMA Equivalent Spray Resistant Enclosure provided with the instrument 55 56 Appendix D Specifications Measurement Error Limit Ambient Temperature Error Scan Rate Display Decimal Positions Noise Rejection Line Voltage Power Consumption Operating Temperature Storage Temperature Humidity Dimensions Weight Sensor Fault Detection Agency Approvals Transmitter Power Supply Warranty Type J K T E N C T C s and RTD 0 25 of reading plus 1 degree 25 degrees C Type R S B T C s 0 25 of span 25 degrees C MA mV and VDC 0 25 of scaled span plus 1 Whole Digit 25 degrees C 0 0196 of span per degree C deviation from 25 derees C 1 scan second One two or three decimal places 0 1 or 1 degree for T C or RTD Normal mode 85dB minimum at 60Hz or greater Common mode 90dB minimum 115VAC maximum 115 230VAC 1 96 50 60 Hz 25VA maximum 32 degrees to 131 degrees F 0 degrees to 55 degrees C ambient 40 degrees to 149 degrees F 40 degrees to 65 degrees C 0 to 9096 RH noncondensing 13 19 Hx 15 13 W x 3 63 Deep 20 pounds ma
31. d Lights when Alarm 2 is on C Red Lights to indicate that the process value is in terms of degrees C Celsius F Red Lights to indicate that the process value is in terms of degrees F Fahrenheit U Red Lights to indicate that the process value is in terms of Engineering units Red Lights to indicate a negative displayed value SP Green Indicates that the value displayed is the setpoint Limits only Refer to Figure 1 2 page 6 for the display features 21 22 3 5 2 KEYPAD CONTROLS The keys provided on the keypad and their functions include SCROLL Used to Advance the display through the enabled modes While in a mode used to seguence the parameter codes and values Exit some Test and Calibration functions Work in conjunction with other keys UP Used to Exit a mode Turn a mode On in the Enable mode Increase a numerical value Work in conjunction with other keys Display the setpoint Limit device only Increase the setpoint Limit device only DOWN Used to Enter a mode Turn a mode Off in the Enable mode Decrease a numerical value Work in conjunction with other keys Display the setpoint Limit device only Decrease the setpoint Limit device only RESET Used to Reset the limit output only when the condition that caused the Limit Only limit has been cleared LAMP TEST From the Off or Control modes all display and status LEDs can be illuminated simultaneously by depressing the UP and DO
32. d length of the wire affect lead resistance To determine the temperature error resulting from the lead length resistance use the follow ing eguation Terr TLe L where TLe value from Table 3 if 3 wire RTD or Table 4 if 2 wire RTD L length of lead wire in thousands of feet TABLE 3 3 Wire RTD AWG No Error C Error F 10 0 04 0 07 12 0 07 0 11 14 0 10 0 18 16 0 16 0 29 18 0 26 0 46 20 0 41 0 73 24 0 65 1 17 TABLE 4 2 Wire RTD AWG No Error C Error F 10 5 32 9 31 12 9 31 14 6 14 13 3 23 9 16 21 3 38 6 18 34 6 61 2 20 54 5 97 1 24 86 5 155 6 Example An application uses 2000 feet of 18 AWG copper lead wire for a 3 wire RTD sensor What is the worst case error due to this leadwire length Terr TLe L TLe 46 F 1000 ft from Table 3 Terr 46 F 1000 ft 2000 ft Terr 0 92 F Wiring Connections 2 6 All wiring connections are typically made to the instrument at the time of installation Connec tions should be made at the terminal blocks two 12 gauge wires maximum Terminal blocks are designated TB1 through TB13 See Figure 2 4 for the terminal block locations SPST Relay Board shown FIGURE 2 4 12 1234 1234 123 TB1 TB6 TB7 TB8 RELAY SSR Driver Board Processor Board TB9 1234 Current Output Board TB2 12 TB3 TB4 TB5 TB10 811 TB12
33. ensor input Check that the jumpers are in the proper position for the Terminal Board where the sensor is connected Perform the calibration procedure s as described in the Calibration section page 35 for the sensor input type Hi Input more than 10 Over Span Perform the steps listed for the SnSr Error Condition page 46 Lo Input more than 10 Under Span O display overranged the broken 6 appears on the left segment of the display Perform the steps listed for the SnSr Error Condition page 46 If this error code is displayed as a Program or Alarm Set mode parameter perform the CAL 1 procedure as described in the Calibration section of the manual page 35 If this error code appears as part of the model number during the power up sequence follow the steps listed for the Model Number is not correct condition page 44 If this error appears check the Program mode parameter dPos if not 0 change to 0 and see if the error clears Er 1 Microprocessor RAM Failure 46 Turn off the power to the instrument Wait 5 seconds and turn the power on Turn off the power to the instrument Open the cover and loosen the platen hold down screw Swing open the platen and inspect that the microprocessor chip is properly seated in the socket located on the Processor board Appendix A 1 page 50 Close the platen and tighten the screw Close the cover and turn
34. enter chart hub PEnL will be displayed use the UP and or DOWN keys to adjust the pen to the low end or 0 of the chart When adjusted press the SCROLL key SCAn will appear for 10 seconds and the pen location value will be saved in memory Next dELY will appear as the pen moves to the outer edge or 100 mark on the chart PEnh will appear use the UP and or DOWN keys to adjust the pen position to the proper 100 of chart position Press the SCROLL key and SCAn will be displayed as the pen position value is saved Then dELy will be displayed as the pen moves to about mid scale CAL9 will be displayed showing that the calibration is complete When the calibration is complete with CAL9 displayed press the UP key twice to properly exit the calibration mode CAL9 can now be repeated on the other pen of a 2 pen instrument or another routine can be selected FOR INSTRUMENT WITH SOFTWARE REVISION R3 00 AND ABOVE P dn will be displayed while the selected pen is moved to it s HOME position toward the chart hub with the decimal point flashing to indicate this mode Once Pen Home is found the pen will move to the inner ring and PEnL will be displayed At this point one of two adjustments may be made Pen Arc or Zero and Span Pen Arc To adjust the pen arc the UP and DOWN keys are pressed simultaneously to draw an arc for visual reference The display will show P uP while the selected pen moved upscale to the top stop position The pen then move
35. evice s A relay output will appear to be a cube The SSR Driver will appear as a resistor and a jumper wire The output will not work if the hardware is not present Inspect that the output terminal connections are present and firmly attached Check the output s operation by performing Test 6 as described in the Test section page 41 If the output s function in the Test mode re examine the Program and Alarm Set mode parameters settings pages 28 thru 32 or Software Ref Sheet page 59 if already filled out 5 If the output appears not to turn off remove the power to the instrument Open the cover and loosen the platen hold down screw Swing the platen open Clip the resistor located on the Relay Board adjacent to the output s that seem to stay on See Appendix A 2 page 51 A 01 microfarrad 1 KV capacitor should be connected from the terminal listed below for the output where the resistor indicated was removed to the AC ground Relay A R1 TB 6 Terminal 1 Relay B R2 TB 6 Terminal 3 Relay C R3 TB7 Terminal 1 Relay D R4 TB7 Terminal 3 Relay E R5 TB8 Terminal 1 Relay F R6 TB8 Terminal 3 Close the platen and tighten the hold down screw Close the cover and turn the power on to the instrument Check the operation of the output s mADC Output s Malfunction Verify that the Program mode parameters are correctly set page 28 Turn Off the power to the instrument Wait about 5 seconds and turn the po
36. f the isolated 24 VDC regulated transmitter power supply has been specified the connections should be made as shown Connections are made using TB3 terminal 1 is positive and terminal 2 is negative The power supply is capable of providing the power needed by as many as 2 transmitters TB3 TB4 or 5 TB3 TB4 TBE 1 3 3 4 s 119 2 slals 45 SHIELDED TWISTED PAIRS TWO WIRE TWO WIRE TWO WIRE TRANSMITTERS TRANSMITTERS TRANSMITTERS 17 18 Configuration 3 1 After completing installation and wiring of the instrument the configuration set up procedures must be performed to prepare the instrument for operation of the intended application The procedures include selecting specific parameters entering data and possible jumper position ing Once properly configured the instrument will retain the user selections in memory This procedure need not be repeated unless reguired by changes in the application Parameter selections and data entry are made via the front keypad To ease configuration and operation user entered data has been divided into several sections referred to as modes Each mode contains a different type of data or may be used for specific operating functions For two pen instruments some modes are common to both pens These modes are as follows PE EA ag a E 1 Operation G Test G Calibrate Program Alarm Set
37. g eguation Terr TLe L where TLe value from appropriate table below L length of leadwire in thousands of feet TABLE 1 Temperature error in C per 1000 feet of Leadwire AWG Thermocouple Type No J K T R S E B N C 10 68 1 71 76 2 05 2 12 1 15 14 00 2 94 2 53 12 1 08 2 68 1 21 3 30 3 29 1 82 22 00 4 68 4 07 14 1 74 4 29 1 95 5 34 5 29 2 92 35 00 7 44 6 37 16 2 74 6 76 3 08 8 30 8 35 4 60 55 50 11 82 10 11 18 4 44 11 00 5 00 13 52 13 65 7 47 88 50 18 80 16 26 20 7 14 17 24 7 84 21 59 21 76 11 78 141 00 29 88 25 82 24 17 56 43 82 19 82 5432 5459 29 67 356 50 75 59 65 27 TABLE 2 Temperature Error in F per 1000 feet of Leadwire AWG Thermcouple Type No J K T R S E B N C 10 1 22 3 07 1 37 3 68 3 81 2 07 25 20 5 30 4 55 12 1 94 4 82 2 18 5 93 5 93 3 27 39 60 8 42 7 32 14 3 13 7 73 3 51 9 61 9 53 5 25 63 00 13 38 11 47 16 4 93 1218 5 54 14 98 15 04 8 28 99 90 21 28 18 20 18 7 99 19 80 9 00 24 84 24 56 13 44 159 30 33 85 29 27 20 12 85 31 02 1412 38 86 39 18 21 21 253 80 53 79 46 48 24 31 61 78 88 35 67 97 77 98 26 53 40 641 70 136 07 117 49 Example An MRC is to be located in a control room 660 feet away from the process Using 16 AWG type J thermocouple how much error is induced Terr Tle TLe 4 93 F 1000 ft from Table 2 Terr 4 93 F 1000 ft 660 ft Terr 3 3 F 11 RTD LEAD RESISTANCE RTD lead length can affect instrument accuracy since the size gauge an
38. he UP DOWN keys as necessary to change the displayed number to match the first 4 digits of the model number as indicated on the label on the platen After adjusting the first 4 digits to the proper values press the SCROLL key and the display will change to 0000 Use the UP DOWN keys to set the next 4 digits of the model number to the correct values Press the SCROLL key and the display will be 0X21 Use the UP DOWN keys as necessary to adjust the last 4 digits of the number Press the SCROLL key and the power up sequence will complete The Program and Alarm Set mode parameters will need to be re entered pages 28 thru 32 or Software Ref Sheet page 59 if already filled out Relay SSR Driver Malfunction Verify that the Program and Alarm Set mode parameters are correctly set pages 28 thru 32 or Software Ref Sheet page 59 if already filled out Turn off the power to the instrument Wait about 5 seconds and turn the power on again Confirm that the model number displayed during the power up sequence indicates that the output s is are present in the instrument See Appendix C page 55 for the model number explanation decoding This number should match the number on the label affixed to the platen Turn off the power to the instrument Open the cover Loosen the platen hold down screw and swing the platen open Inspect the instrument Relay SSR Driver board See Figure 2 4 page 9 for the presence of the output d
39. he platen board c Inspect the EPROM U7 RAM U8 and microprocessor chips U5 to see that the legs are properly seated in their sockets on the Processor Board page 50 d Close the platen and tighten the hold down screw Close the cover and turn on the power to see if the display s will now light 4 Turn off the instrument power Press and hold the UP and DOWN keys Turn on the power Hold the keys pressed for about 10 seconds If the display s light the model number Program and Alarm Set mode parameters will need to be re entered pages 28 thru 32 or Software Ref Sheet page 59 if already filled out 43 44 Model Number Displayed during power up is incorrect 1 Turn off the instrument power wait 5 seconds then reapply the power Verify that the number displayed during the power up seguence is the same as indicated on the label affixed to the platen If the number displayed is incorrect perform the following steps a Turn off the power to the instrument Press and hold the UP and DOWN keys Turn on the power and keep the keys pressed until the model number displayed resets to 71X0 0000 0X21 where the digits X are determined by the firmware installed Release the keys and turn off the power b To enter the correct model number press and hold the SCROLL and DOWN keys and turn on the instrument power 71X0 should be displayed Wait about 5 seconds and release the keys The display should stay 71X0 Use t
40. hown for illustration purposes Only those parameters applicable to each respective pen will actually be shown 3 5 4 ALARM SET MODE CONFIGURATION PROCEDURE The Alarm Set mode allows the entry review or altering of the alarm setting s Parameters to be configured will be those that are assigned in the Program mode Review the entry procedure and the configuration procedures in Table 3 3 page 32 Use the Your Setting column in the table to record your programming 3 5 4 1 ENTERING THE ALARM SET MODE From the Operate or Off mode press and release the SCROLL key until ASEt is displayed This is the mode code for the Alarm Set mode With ASEt in the display press the DOWN key to enter the mode If the ASEt code does not appear refer to Table 3 1 page 24 for Enable mode instructions 23 3 5 4 2 MOVEMENT IN THE ALARM SET MODE Each time the DOWN key is pressed while a parameter code is being displayed another parameter code will be displayed Pressing the SCROLL key while a parameter code is displayed will cause the parameter value to appear Pressing the SCROLL key with a parame ter value displayed will cause the next parameter code to be displayed Pressing the UP key while a parameter code is being displayed will exit the Alarm Set mode and the ASEt code will appear in the display Using the SCROLL key at this point will allow you to proceed to any other mode 3 5 4 3 ALARM SET MODE CONFIGURATION Refer to Table 3 3 page 32 f
41. ie E aa 3 l desee E EN J He NS EA 4 TONE ii ce lede tele de ir DE POE Kala He BOE 27 TABLE 3 2 PROGRAM MODE CONFIGURATION PROCEDURE Press the SCROLL key until Prog is displayed Press the DOWN key to enter the Program mode Pen 1 will be displayed in the upper display To enter the Pen 1 parameter press the DOWN key To enter the Pen 2 parameter if provided press the Scroll key then the DOWN key To enter the unit parameter press the SCROLL key with either Pen 1 or Pen 2 displayed until unit is displayed then press the DOWN key Press the SCROLL key to advance the display through the parameter codes and their values Use the UP and DOWN keys to adjust the values After adjusting a parameter press the SCROLL key to proceed to the next parameter After all selections have been made press the UP key with a parameter in the display not a setting to exit the mode For two pen instruments the parameters and values which are applicable to Pen 1 will appear in the upper display then the parameters and values which are applicable to Pen 2 will appear in the lower display Then the unit parame ters and values will appear in the upper display DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODES SETTINGS SETTING SETTING 1 Input Select inPS 0 J T C degrees C 1 1 J T C degrees F 2 K T C degrees C 3 K T C degrees F 4 T T C degrees C 5 T T C degrees F 6 R T C degrees C 7 R T C deg
42. ify the process value range over which the assigned current output will decrease linearly from 100 to 0 If the process value is greater than Pou the output will be 100 If the process value is less than PoL the output will be 0 Factory default values are 2000 for the upper value and 0 for the lower value Display codes Pou upper and PoL lower PROCESS ROUNDING This parameter is adjustable from 0 to 100 units and is used to round the process value to the nearest value specified This is for display only and does not affect the recorded value or control action Intended for use where the engineering units span is large to reduce display fluctuation Factory default is 0 no rounding Display code Prnd e g Prnd 3 Process Value 6 3 0 3 6 9 Appendix C Order Matrix OPTION SUFFIX Blank None N3 NEMA 3 t AW RTD Depression on Pen 2 1 Recorder Only 4 High Low Limit PEN 2 AD 0 100 mVDC Input 0 None AE N3 plus AW 1 Recorder only VOLTAGE 1 115VAC Input REDAVIOUTRUTS 2 115 230 VAC Input 0 None 5 ne CSA Approved A E BST 4 115VAC Input 6 Six SPST 5 115 230VAC Input 7 One SPDT 8 Two SPDT ENCLOSURE OPTIONS 9 Two SPDT and Two SPST i a Plastic Window 6 Sealed Conduit Connectors SSR DRIVER OUTPUTS 7 Combination of 4 amp 6 0 None 1 One COMMUNICATIONS 2 Two 0 None 4 Four 2 RS 485 Total Access 6 Six 8 Eight FIXED CHARACTER 4 TO 20M A OUTPUTS FIXED CHARACTER 0 None 1 One Standar
43. in parallel and as close as possible to the coil See Figure 2 2 page 10 Additional protection may be provided by adding an RC network across the MOV Contacts Arcing may occur across contacts when the contact opens and closes This results in electrical noise as well as damage to the contacts Connecting a RC network properly sized can eliminate this arc For circuits up to 3 amps a combination of a 47 ohm resistor and 0 1 microfarad capcitor 1000 volts is recommended For circuits from 3 to 5 amps connect 2 of these in parallel See Figure 2 3 page 10 10 FIGURE 2 2 0 5 mfd 1000V Coil 220 ohms 115V 1 4W 230V 1W FIGURE 2 3 Inductive Load 2 5 2 SENSOR PLACEMENT THERM OCOUPLE OR RTD Thermocouple lead resistance should not exceed 300 ohms It this is exceeded instrument accuracy could be affected Two wire RTD s should be used only with lead lengths less than 10 feet If the temperature probe is to be subjected to corrosive or abrasive conditions it should be protected by the appropriate thermowell The probe should be positioned to reflect true process temperature In liquid media the most agitated area In air the best circulated area THERMOCOUPLE LEAD RESISTANCE Thermcouple lead length can affect instrument accuracy since the size gauge and the length of the wire affect lead resistance To determine the temperature error resulting from the lead length resistance use the followin
44. iver is off Press and release the DOWN key to advance through the following sequence RELAY ON RELAY ON DISPLAY SPST SPDT rLYA A A rLYb B B rLYC C C rLYd D D rLYE E None rLYF F None rLYg G G rLYH H H oFF None None To exit press the SCROLL key and tSt6 will be displayed The existence of Relay and Solid State Relay Driver output s is dependent upon the hardware configuration 4 5 7 TEST 7 CURRENT OUTPUT TEST This test allows the operator to verify that the current output s are functioning properly or will allow the selection of an output value for testing of associated equipment A milliamp meter is required for testing With tSt7 displayed press and hold the DOWN key then press the SCROLL key The display will indicate CurA for the first current output By pressing the DOWN key the instrument will advance through the selection sequence of Curb CurC Curd and then back to CurA Choose the desired output to be tested and connect the milliamp meter across the output terminals being tested Be sure to observe the proper polarity when connecting the meter Terminal 1 is positive and terminal 2 is negative Press the SCROLL key and the display will indicate 4 milliamps Use the UP and or DOWN key to increase or decrease the current output in 1 mADC steps from 0 to 20 mADC Continued on next page 41 42 The current output reading should be 0 1 mADC at any output value A 5 of span adjustment for the current output s i
45. kes place for 30 seconds the instrument will time out and exit the mode automatically The display will be the code for the respective mode If a mode code is displayed for 5 seconds with no keypad activity then the time out will cause the instrument to proceed to either the Operation or Off mode depending upon which operational state was in use before entrance into the mode 3 4 1 POWER UP PROCEDURE Step 1 Verify that all electrical connections have been properly made before applying power to the unit Step 2A For instruments with software revision R2 99 and below Upon power up 7XXX will be displayed X representing digits then XXXX then XXXX identifying the twelve digit model number as defined in the order matrix Next the EPROM part number will be indicated P XX After the EPROM part number the software revision level will be displayed in the format rX XX then tSt1 tSt2 and tSt3 will be displayed while Test 1 through 3 are executed automatically Upon successful completion of these test oPEr or oFF will be displayed for about 3 seconds The mode displayed will be the mode the instrument was in when the power was turned off During this time the operator may select another mode Alarm Set Enable or non operational mode Test Program Cal Step 2B For instruments with software revision r3 00 and above Upon power up a brief flash on all displays upper and if eguipped lower will occur to show the instrument is alive
46. m and Alarm values are written down so that they can be re entered after Calibration 1 is completed No test equipment required With CAL 1 displayed while pressing the DOWN key press the SCROLL key The display will momentarily blank while the initialization is in progress Upon completion of the routine a Pen Home function is automatically performed P dn is displayed during this period with the decimal point flashing to indicate this mode Once the pen s reach Pen Home CAL1 will be displayed 4 4 2 CAL 2 MAIN CALIBRATION This routine determines and saves calibration values which correct for component variations relating to the basic measuring function of the unit A 50 00 mVDC 01mVDC source is required for testing Make sure that the Processor board jumpers JU4 and JU5 are in the non volt positions See Appendix A 1 page 50 for proper positioning After completing CAL2 be sure to re position these jumpers to the appropriate position for your input With CAL 2 displayed press and hold the DOWN key then press the SCROLL key Release the keys when the instrument displays hLd1 Short the input terminals or apply 0 00 01 mVDC to TB 4 terminals 1 and 2 Press the DOWN key and dELy will appear for 10 sec onds then SCAn will appear for 10 seconds A calibration reference number will then appear this should be 0 50 If this number falls outside these limits press the SCROLL key and CAL 2 will be displayed Perform the calibration
47. ncludes a switch in the instrument for selecting either 230 VAC or115 VAC input power If this feature is provided verify AC input and switch position before applying power to the instrument 3 2 1 JUMPER POSITIONING Jumpers are used to provide a security lockout feature and to condition the sensor inputs All jumpers are typically of the three pin type and have two functions All jumpers are located on the instrument Processor board The instrument board layout and jumper locations are shown in Appendix A 1 page 50 Check the actual jumper position in the unit to be configured and verify the proper position for the intended application The sensor input jumpers JU4 JU5 JU6 and JU7 condition the sensor input at a basic level Detailed input type selection is made in the Program mode Operation Summary 3 3 Prior to operation the Program mode parameters and Alarm Setting s if used must be selected for the application Data and parameter entry is made by stepping through each mode and making an appropriate response or entry to each step 3 3 1 KEYPAD OPERATION Refer to Figure 3 1 for the Keypad features Use the SCROLL UP and DOWN keys as indicated to program and operate the instrument FIGURE 3 1 SCROLL UP pu Key Reset DOWN 19 20 3 3 2 CONFIGURATION DISPLAYS Each pen specified is provided with its own 4 digit LED display These are used during configuration to display the parameter codes and value
48. nsation used for thermocouple inputs With CAL 6 displayed press and hold the DOWN key then press the SCROLL key The instrument will display C6 and the number of the mode in effect Press the UP or DOWN key to change the mode selection indicated by the number to the right of the C6 Pressing the SCROLL key will exit the calibration with the last mode number displayed in effect The selected mode will remain in effect if power is interrupted To return the instrument to normal operation CAL 6 must be exited with mode zero selected or CAL 1 must be exe cuted to initialize all parameters Mode 0 Normal operating mode Mode 1 Cold Junction Compensation temperature will be internally fixed at 0 degrees C by the software to facilitate linearization testing when using an uncompensated millivolt source to simulate the thermocouple millivolt input signal 37 4 4 7 CAL 9 PEN CALIBRATION This procedure is used to calibrate the pen s No special test eguipment reguired Valid inputs must be connected to TB 4 and TB 5 before performing this calibration With CAL 9 displayed push and hold the DOWN key then press the SCROLL key Release both keys and the display will indicate PEn1 For 2 Pen instruments press the DOWN key to toggle the display between pen 1 and pen 2 With desired pen displayed press the SCROLL key FOR INSTRUMENTS WITH SOFTWARE REVISION R2 99 AND BELOW dELY will be displayed as the pen selected moves toward the c
49. nsformer to feed only instrumentation should be considered The transformer can isolate the instrument from noise found on the AC power input 4 If the instrument is being installed on existing eguipment the wiring in the area should be checked to insure that good wiring practices have been followed 2 5 1 2 AC POWER WIRING Earth Ground The instrument includes noise suppression components that reguire an earth ground connec tion to function To verify that a good earth ground is being attached make a resistance check from the instrument chassis to the nearest metal water pipe or proven earth ground This reading should not exceed 100 ohms Each instrument should have a dedicated earth ground Do not chain link multiple instrument ground wires Neutral For 115VAC Itis good practice to assure that the AC neutral is at or near ground potential To verify this a voltmeter check between neutral and ground should be done On the AC range the reading should not be more than 50 millivolts If it is greater than this amount the secondary of this AC transformer supplying the instrument should be checked by an electrician A proper neutral will help ensure maximum performance from the instrument 2 5 1 8 WIRE ISOLATION SEGREGATION The instrument is designed to promote proper separation of the wiring groups that connect to the instrument The AC power wire terminals are located near the top of the instrument boards The analog signal terminals are
50. nstrument and open the cover Loosen the platen hold down screw and swing the platen open Inspect the Processor board Appendix A 1 page 50 to insure that the input conditioning jumpers are in the correct position for the RTD input for the Terminal Board being calibrated For TB 4 JU4 should be in the non volt position and JU6 in the RTD position For TB 5 JU5 should be in the non volt position and JU7 in the RTD position Perform the CAL5 procedure as described in the Calibration section page 37 Er14 Cold Junction Compensation Error Perform the CAL3 procedure as described in the Calibration section page 36 Er15 Ground Reference Tolerance Error Perform the CAL2 procedure as described in the Calibration section page 35 Er16 Program ASEt Mode Checksum Error Record all Program and ASEt mode parameters Perform CAL 1 procedure as described in the Calibration section page 35 Re enter the Program and ASEt mode parameters Er17 Calibration Checksum Error Perform the calibration procedures that are needed for the input sensors that will be used page 35 Er21 Pen Feedback Error Perform the steps listed for pens not moving Er36 Incorrect Crystal For Digital Comm Turn off the power to the instrument wait 5 seconds then turn the power on Er37 Incorrect Micro For Digital Comm Turn off the power to the instrument wait 5 seconds
51. nstrument prior to proceeding with installation Unpacking 2 2 Remove the instrument from the carton and inspect for any damage due to shipment If any damage is noticed due to transit report and file a claim with the carrier Write the model number and serial number of the instrument on the inside of the front cover of this Operation Manual for future reference Location 2 3 Locate the instrument away from excessive moisture oil dust and vibration Do not subject the instrument to operating temperatures outside of the 32 to 131 F 0 to 55 C range Mounting 2 4 Figure 2 1 page 8 shows an installation view and physical dimensions for a panel mounted instrument The panel where the instrument will be mounted must provide rigid support for the approximately 20 pound instrument Adjacent instruments may be mounted within a minimum of 2 inches horizontally and 3 inches vertically providing that proper panel support is supplied PANEL MOUNTING HARDWARE REQUIRED not provided with instrument 4 1 4 20 x 2 flat head bolts w nuts 4 appropriate lock washers PANEL MOUNTING 1 Cut panel opening to the dimensions illustrated in Figure 2 1 page 8 2 Insert the instrument in the panel opening Firmly fasten the instrument to the panel using the nuts bolts and lock washers SURFACE MOUNTING 1 Install the mounting brackets ordered separately on the vertical sides of instrument housing Use the brackets to fasten
52. on improves or all the steps have been completed If the instrument condition has not improved contact the nearest representative or the factory for assistance Trouble shooting should be performed by gualified personnel using the proper eguipment and following all safety precautions Whenever possible the trouble shooting should be accom plished with the electrical power disconnected The instrument contains static sensitive components so care should be taken to observe anti static procedures CONDITION CORRECTION STEPS Display s is are blank 1 Verify that the correct instrument power as indicated on the wiring label on the platen is supplied to TB 1 terminals 1 amp 2 Check the position of the power select switch on 230 VAC models correctly indicates the power that is connected to the instrument If the switch does not indicate the correct voltage reposition as necessary If the voltage is not correct check the power source 2 Turn off the instrument power Wait about 5 seconds then turn the power on again 3 Turn off the instrument power open the cover loosen the platen hold down screw and swing the platen out of the way Inspect the instrument for poor connections a The white ribbon cables that connect the Processor board Appendix A 1 page 50 to the platen must be properly aligned and seated in the sockets b The display board s white ribbon cable s pins should be properly aligned and seated in the sockets on t
53. on the power Er 2 External RAM Failure Turn off the power to the instrument Wait 5 seconds and turn the power on Er 3 EPROM Checksum Failure Perform the steps listed for Er 1 except that the EPROM U7 on the Processor board should be inspected Er 4 RTD Mismatch Error Check the connections to the instrument for the RTD Input Calibration CAL5 as described in the Calibration section page 37 Repeat the RTD Input Calibration Er 5 No Zero Crossings Detected Er 6 AC line below 43 HZ Turn off the power to the instrument Wait 5 seconds and turn the power on Connect the instrument to another AC power source Turn off the power to the instrument Wait 5 seconds and turn the power on Connect the instrument to another AC power source Er 7 AC line over 64 HZ Turn off the power to the instrument Wait 5 seconds and turn the power on Connect the instrument to another AC power source Er 8 Cal 2 Volt Input Error Check that 50 mVDC is properly connected to the instrument and is within the tolerance limits as indicated in the CAL2 procedure of the Calibration section page 35 Turn off the power to the instrument and open the cover Loosen the platen hold down screw and swing the platen open Inspect the Processor board Appendix A 1 page 50 to insure that the input conditioning jumper JU4 is in the non volt position The jumper m
54. or configuration procedures for the Alarm Set All possible parameters are shown for illustration purposes Only those parameters applicable to each respective pen will actually be shown Alarm Set are adjusted on line The instrument will react to changes as they are made The Decimal Point Position as defined by the dPoS parameter in the Program mode will affect the resolution and adjustment limits for Alarm Set mode parameters TABLE 3 1 ENABLE MODE CONFIGURATION PROCEDURE To enter the Enable mode press the UP and DOWN keys while in oPEr or oFF modes All the display lamps will light After 2 seconds the display will show Cchg and the pen s will move to and remain at a point above the top graduation on the chart Continue to press the UP and DOWN keys after 2 additional seconds the display will show P dn and the pens S are driven below the bottom graduation on the chart After 6 more seconds the display will show EnAb Release the keys and the display will change to EtSt Press and release the DOWN key and each mode to be enabled disabled will be displayed With the enable mode prompt for the desired mode displayed press the SCROLL key to verify that the displayed mode is either on enabled or oFF disabled Press the DOWN key to turn off the mode press the UP key to turn on the mode or press the SCROLL key to advance the display to the next enable mode prompt Use the Your Setting column in the table to record your programming The Te
55. r 16 and 17 have occurred respec tively Test 4 can be executed again or another test may be selected 4 5 5 TEST 5 KEYPAD DISPLAY TEST This test allows the operator to verify that the keys work and that all display elements can be lighted No special test eguipment is reguired With tSt5 displayed press and hold the DOWN key then press the SCROLL key and then release both keys The display will go blank The following code will be displayed while the corresponding key is pressed Key Display SCROLL SCrL UP uAro DOWN dAro RESET upper Autu RESET lower AutL UP and DOWN All LED s and segments lit SCROLL and UP exit To exit press the SCROLL and UP keys simultaneously tSt5 will be displayed 4 5 6 TEST 6 RELAY SOLID STATE RELAY DRIVER OUTPUT TEST Allows the operator to verify that the Relay and or the Solid State Relay Driver output s are working A volt ohm meter will be required to test the output With tSt6 displayed press and hold the DOWN key then press the SCROLL key oFF will be displayed For SPST Relay outputs connect the meter across the relay output in the ohm scale For SPDT Relay outputs connect the meter across the N O and COM output in the ohm scale The meter should read continuity with the relay on and infinity when the relay is off For SSR Driver outputs connect the meter across the output in the Volt DC scale The meter should read 5 VDC when the SSR driver is on and 0 VDC when the dr
56. rees F 8 S T C degrees C 9 S T C degrees F 10 E T C degrees C 11 E T C degrees F 12 8 T C degrees C 13 B T C degrees F 14 N T C degrees C 15 N T C degrees F 16 C T C degrees C 17 C T C degrees F 20 RTD degrees C 21 RTD degrees F 30 0 to 5 VDC 0 to 20mA 31 1 to 5 VDC 4 to 20mA 32 0 to 50 mVDC 33 10 to 6 34 0 to 25 mVDC Note Fault detection is not functional for 0 5V or 0 20mA Inputs 2 Input Correction iCor 300 to 300 degrees units 0 3 Alarm 1 AL1 0 None 0 Recorder Only 1 Process Alarm Direct 2 Process Alarm Reverse Alarm 1 AL1 0 None Limit Only 1 Low Limit 2 High Limit 4 Alarm 2 AL2 0 None 0 1 Process Alarm Direct 2 Process Alarm Reverse 5 Display Select diSP 1 Process Value Only 1 Limit Only 2 Process Value setpoint 3 Deviation Only 4 Deviation and Setpoint 5 Setpoint Only DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODES SETTINGS SETTING SETTING 6 Decimal Position dPoS 0 None 0 1 006 decimal position 2 Two decimal positions 3 Three decimal positions RTD and thermocouple inputs are limited to either 0 or 1 decimal positions 7 Engineering Units Euu 9999 to 9999 1000 Upper Value If Input Select 30 31 32 33 34 8 Engineering Units EuL 9999 to 9999 0 Lower Value If Input Select 30 31 32 33 34 9 Hysteresis for HyAo 0 to 300 degrees units 3 Alarm Outputs Width of Hysteresis Band See page 54 for definition 10 Setpoint Upper Limit SPuL 9999 to 9999 1400 Limit Only
57. rm indications are standard for each pen on all instruments Alarm settings are programmable Alarm type may be set as process direct or reverse high or low Alarm outputs can be provided by assigning any relay s Single Pole Single Throw SPST or Solid State Relay SSR driver to the respective alarm 1 1 5 LIMIT Limit indication is standard on limit devices Limit settings are programmable Limits may be High or Low and can be provided by assigning any relay to the respective limit 1 1 6 PROCESS VALUE RE TRANSMISSION OUTPUT If an instrument is specified with mADC current output s any of the outputs may be pro grammed to operate as a process value re transmission output The output is scaleable 1 1 7 DIGITAL COMMUNICATIONS The instrument can be ordered with a Digital Communications option that provides the capability of bi directional communications with a supervisory computer FIGURE 1 2 Alarm 1 Alarm 2 Y Y HEN END e o ALRM1 ALRM2 Limit Setpoint Minus Sign Digital Display Installation and Wiring 2 1 Read these instructions carefully before proceeding with installation and operation Electrical code reguirements and safety standards should be observed Installation should be performed by gualified personnel CAUTION The Instrument AC power input is specified in the model number and on the wiring label affixed to the the top center of the platen Verify the AC power input required by the i
58. rmed on start up periodically during operation and on entry into the Test mode Test 4 is executed on entry into and periodically during the Operation mode These tests can be used as a trouble shooting aid TEST MODE FLOW CHART E E m zx 3 5 x I E Pll LE LG depre IH Yo Mx bo Xx f E KEY Actual Display On Off Display Use arrow keys to turn on or off Scroll Key Numeric Display Use arrow keys to change value Up Arrow Key Down Arrow 39 40 TABLE 4 2 TEST PROCEDURES AND DESCRIPTION Test Description Test 1 Microprocessor internal RAM test Used to check the processor RAM to make sure it is functioning correctly Test 2 External RAM test used to test the RAM chip for proper function Test 3 EPROM checksum test used to check that the EPROM program is correct Test 4 External RAM checksum test instrument test and identifies how many times Errors16 or 17 have occurred Test 5 Verifies that all keys are functional and all LEDs are working Test 6 Used to verify that all relays and solid state relay driver outputs are working correctly Test 7 This procedure will allow operator to adjust the current output value to check the output and to test the operation of the external device Test 8 Pen and chart motor operational check Test 9 Verifies that the auxiliary inputs are functioning properly Test A Communications Hardware Test 4 5 1 TES
59. s The display located in the upper right hand corner of the instrument is used to show the codes for Pen 1 and those that are common between Pens 1 and 2 The display in the lower right hand corner is used to show the configuration codes for Pen 2 if provided During normal operation the display s are used to indicate process value s as selected in the Program mode 3 3 3 MODE SELECTION If the instrument is either in the Off mode or the Operation mode repeated pressing and releasing of the SCROLL key will cause the instrument to display the code corresponding to each mode that is enabled To enter a mode while the code is displayed press the Down key Entry into any mode except the Operation and Enable modes will cause the alarm s to turn off and any process retransmission value output s to be 0 Start Up Procedure 3 4 All configuration parameters are listed in Tables 3 1 through 3 3 pages 24 32 For a single pen instrument parameters for each mode are displayed in the upper right display If the instrument being configured is a two pen model a sequence of applicable parameters will be displayed in the Pen 2 display after the Pen 1 parameters have been reviewed and configured After the Pen 2 parameters have been completed parameters common to both pens will be configured and displayed in the Pen 1 display The instrument is provided with a time out feature If the instrument is in any mode and no keypad activity ta
60. s back downscale to nominally place the pen at the outer ring 100 of the chart The display will now display ArC The pen arm may be loosened and the length adjusted to a position and angle to place the pen tip near the outer ring then re tighten the pen arm Press any key and the pen will drive to HOME then back to the inner ring 0 and PEnL will be displayed Zero and Span To begin a pen zero with PEnL in the display the UP or DOWN key may be pressed to move the pen to the low end of the chart span 0 When adjusted press the SCROLL key and P uP is displayed while the pen is moved to the outer edge 100 of the chart then PEnh is displayed To adjust pen span use the UP and DOWN keys to adjust the pen for the high end 100 of the chart When adjusted press the SCROLL key and P dn will be displayed for about 5 seconds while the pen is moved to the 50 point on the chart then PEn1 is displayed Calibration may now be performed again to verify the accuracy or press the UP key twice to exit back to the CAL mode 38 Test Mode 4 5 To enterthe Test mode press and release the SCROLL key until tESt appears on the display then press the DOWN key tSt1 will be displayed press and release the SCROLL key to advance the display to the desired test Tests 1 2 and 3 are performed as a unit so the display will advance directly to tSt4 from tSt1 Listed in Table 4 2 page 40 are the test procedures available Test 1 2 and 3 are perfo
61. s provided by using the potentiometer adjacent to the current output on the Current Output board See Appendix A 4 page 53 To exit the test press the SCROLL key and tSt7 will be displayed The existence of a mADC current output is dependent upon the hardware configuration 4 5 8 TEST 8 PEN CHART MOTOR TEST This test allows the operator to verify that pen and chart motors are functioning properly No special test equipment is required With tSt8 displayed press and hold the DOWN key then press the SCROLL key The display will show ALL while the test is in progress This test functions automatically The chart speed will be at maximum 72 seconds per revolution Starting at the current pen position pen 1 will move sweep upscale for about 5 seconds then downscale for about 5 seconds Pen 2 if provided will sweep in the opposite direction The pens will continue to cycle until the test is exited To exit press the SCROLL key The display will show tSt8 4 5 9 TEST 9 AUXILIARY INPUT TEST This test allows the operator to verify that the pen position feedback input s are functioning properly With tSt9 displayed press and hold the DOWN key then press the SCROLL key The display will show Ai1 Auxiliary Input 1 By pressing the DOWN key the instrument will sequence through the selections for testing AF1 Ai2 PF2 then back to Ail PF Pen Feedback With the desired input selected press the SCROLL key The corresponding value will be
62. seconds Immediately after depressing the keys the unit will do a Lamp Test with all LED segments and indicators lighted on the upper and lower display 7 After 2 3 seconds the display will show Cchg momentarily then the pen s position and chart rotation will be restored Changing Pens 4 3 Open the instrument door Refer to Figure 4 1 for pen changing procedure This procedure is also provided on a label on the instrument chart platen Be sure to replace the pen cartridge with the same type color that was removed Be careful not to bend the pen arm while changing the pen FIGURE 4 1 1 Changing Pens To install pen slide pen into holder 1 and push down 2 as shown by arrows 1 To remove pen for For five replacement replacement pull up at back pens order end 1 and push out Green 60500401 Red 60500402 LS 33 Calibration 4 4 CAUTION Do not attempt any calibrations without the proper test eguipment that meets or exceeds the specifications listed Press and release the SCROLL key until CAL appears on the display then press the DOWN key to enter the mode The display will change to CAL1 Press the SCROLL key to advance the display to the other calibration modes available For two pen units CAL2 and CAL 3 will only need to be required on TB4 input Both TB 4 and TB 5 inputs must be calibrated for RTD inputs if RTD s are used for input Table 4 1 page 35 provides a listing of
63. st and Calibration modes are factory set to OFF disabled DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODE SETTINGS SETTING SETTING 1 Test Mode EtSt on or OFF oFF 2 Calibration Mode ECAL on or oFF oFF 3 Program Mode EPro on or oFF on 4 Alarm Set Mode EASt on or oFF on 5 Setpoint Change ESPC on or oFF on Limit Only KEY ENABLE M ODE FLOW CHART Press UP and DOWN Actual Display On Off Display Use arrow keys to turn on or off Scroll Key Numeric Display Use arrow keys to change value Up Arrow Key Down Arrow Fee eo OF ARROWS for 10 seconds 4 to enter this loop COKOLE ts A en A EASt e L 2J PROGRAM MODE FLOW CHART m C GL mm Rd uL Ka I PIERI E O Pr ata late e e E fmi hemes Elzie i ite e ut SL RN M 25 KEY Actual Display On Off Display Use arrow keys to turn on or off Q Scroll Key Numeric Display se arrow keys OT to change value 4 Up Arrow Key Y Down Arrow 26 Hal CGS s l
64. t themselves or through a third party without factory authorization Returns Partlow West s sole and exclusive obligation and buyer s sole and exclusive remedy under the above warranty is limited to repairing or replacing at Partlow West s option free of charge the products which are reported in writing to The Partlow West Company at its main office indicated below Partlow West is to be advised of return requests during normal business hours and such returns are to include a statement of the observed deficiency The buyer shall pre pay shipping charges for products returned and The Partlow West Company or its representative shall pay for the return of the products to the buyer Approved returns should be sent to THE PARTLOW WEST CORPORATION 2 CAMPION ROAD NEW HARTFORD NY 13413 USA 60 61 62 63 64
65. te on either 115 VAC or 230 VAC power at 50 60 Hz The 230 VAC option includes a switch for selecting either 230 VAC or 115 VAC operation The recorder is housed in a structural foam enclosure suitable for panel or surface mounting FIGURE 1 1 Pen 1 Display i Pen 1 Reset Key Scroll Key Up Key Down Key Pen 2 Reset Key Pen 2 Display 1 1 2 RECORDING The instrument records the selected process variable on a 10 inch circular chart One box of standard charts is provided with each recorder Charts are available in a wide selection of ranges Chart rotation speed is programmable from 0 1 to 999 9 hours per revolution in 0 1 hour increments The instrument can be ordered with one or two pens Pen 1 is red and Pen 2 is green Pens are the disposable fiber tip type 1 1 3 DISPLAYS Each instrument is provided with a digital display and status indicator for each pen provided See Figure 1 1 page 5 The digital display is configured to display the Process Value The display in the upper right corner is for Pen 1 the display in the lower right corner is for Pen 2 if provided The display includes status indicators for Alarm 1 and Alarm 2 degrees C degrees F engineering units and setpoint for limits See Figure 1 2 below Display resolution is programmable for 0 1 or 1 degree for thermocouple and RTD inputs and zero one two or three decimal places for other input types 1 1 4 ALARM Two ala
66. the positive leg of the thermocouple to terminal 1 and the negative to terminal 2 Be sure that the input conditioning jumpers are properly positioned for a thermocouple input See Appendix A 1 page 50 TB4 or TB5 Grounded or Ungrounded Thermocouples may be used FIGURE 2 7 RTD Inputs Use TB4 for the Pen 1 input and TB5 for the Pen 2 input Connections are shown for 3 wire and 2 wire RTD inputs If a three wire device is used install the common legs to terminals 2 and 3 If a two wire device is used install a jumper between terminals 2 and 3 Be sure that the input conditioning jumpers are properly positioned for an RTD input See Appendix A 1 page 50 TB4 or TB5 TB4 or TB5 Jumper SUPPLIED BY CUSTOMER 3 Wire RTD 2 Wire RTD FIGURE 2 8 Volt Millivolt and milliamp Input Make the volt millivolt or milliamp connections as shown below Use TB4 for the Pen 1 input and TB5 forthe Pen 2 input Terminal 1 is positive and terminal 2 is negative The milliamp input reguires the installation of an appropriate shunt resistor ordered separately between terminals 1 and 2 Be sure that input conditioning jumpers are in the correct positions for the input being connected See Appendix A 1 page 50 Note Fault Detection is not functional for 0 5V or 0 20mA Inputs TB4 or TB5 b SHIELDED TWISTED PAIR MAY BE GROUNDED UNGROUNDED FIGURE 2 9 Digital Communications Options Connections
67. then turn the power on Er38 Incorrect RAM for profiler Turn off the power to the instrument wait 5 seconds then turn the power on Re configure for non profiler Momentary ER 70 Controller unable to respond within 250 milliseconds May occur when incrementing or decrementing a value Error clears itself Momentary ER 71 Byte received before the response was transmitted Computer program must wait longer for a response from the instrument Momentary Er 72 Incorrect Block Check character was received Momentary Er 73 Byte received with incorrect parity Data received not valid possible corruption on the comm line Possible noise problems Check baud rates instrument addresses line connections and termination Check baud rate Possible noise problems Check instrument addresses line connections and termination 49 50 Appendix A Board Layout Jumper Positioning FIGURE A 1 PROCESSOR BOARD Top SWI for Rev Y and above SWI for Rev X and below JU1 ENABLE MODE UNLOCKED LOCKED JU3 EPROM SIZE 32K 64K 230 115 VAC SWITCH 230 VAC MODEL ONLY JU4 JU3 PEN 1 INPUT T C mV RTD VOLT mA JU5 PEN 2 INPUT REVERSE OF JU4 T C mV RTD VOLT mA Battery e T NEL JU6 JU7 RTDINPUT TB2 00 NON RTD TB3 TB4 TB5 n 2 01 FIGURE A 2 SPST RELAY SSR DRIVER OUTPUT BOARD rly A rly B P7 If the relay is connected
68. to a Resistor Relay high impedance AC device R1 Relay A the snubber network used to R2 Relay B protect the relay contact may R3 Relay C cause the output to appear R4 Relay D to be activated when the R5 Relay E relay is off To cure the R6 Relay F problem cut the snubber resistor for the output that is being affected FIGURE A 3 SPDT RELAY SSR DRIVER OUTPUT BOARD TS1 Ri TS2 R2 TS3 R3 4 R4 TS5 TS6 E EI o o ES rly A pai B rly C rly D If the relay is connected to a Resistor Relay high impedance AC device R1 R2 Relay A the snubber network used to R3 R4 Relay B protect the relay contact may R5 Relay C cause the output to appear R6 Relay D to be activated when the relay is off To cure the problem cut the snubber resistor for the output that is being affected FIGURE A 4 CURRENT OUTPUT BOARD O O ele 98 elel O If this option board was ordered you will find it located in the lower right hand corner of the instrument 53 54 Appendix B Glossary DISPLAY FILTER FACTOR This parameter is adjustable from 1 to 20 which represents the number of scans per second of the process variable that are averaged together before updating the displayed and re corded value The factory default value is 1 no filtering Display code dFF HYSTERESIS This parameter is adjustable from 0 to 300 units representing the width of the band half above and half below setpoint Used with Alarm o
69. ust be in the non volt position to perform the CAL 2 procedure properly Close the platen and tighten the hold down screw Close the cover and turn on the power to the instrument Perform the CAL2 procedure as described in the Calibration section page 35 Er 9 ADC Reference Number Error Er10 ADC Reference Voltage Error Perform the CAL2 procedure as described in the Calibration section page 35 Perform the CAL2 procedure as described in the Calibration section page 35 Er11 Cold Junction Compensation Error Perform the CAL3 procedure as described in the Calibration section page 36 47 48 Er12 CAL2 Voltage Error Check that 50 mVDC is properly connected to the instrument and is within the tolerance limits as indicated in the CAL2 procedure of the Calibration section page 35 Turn off the power to the instrument and open the cover Loosen the platen hold down screw and swing the platen open Inspect the Processor board Appendix A 1 page 50 to insure that the input conditioning jumper JU4 is in the non volt position Perform the CAL2 procedure as described in the Calibration section page 35 Er13 RTD CAL5 Input Error Check that resistance device is of the correct value and properly connected to the instrument and is within the tolerance limits as indicated in the CAL5 procedure of the Calibration section page 37 Turn off the power to the i
70. utputs to reduce cycling For instance with a value of 4 and an alarm point of 70 the output will turn ON when the process variable drops to 68 and stay ON until 72 is reached then turn OFF the output Does not apply to Limits Factory default 3 Display code HyAo INPUT CORRECTION This parameter is adjustable from 300 to 300 units and is used as a method to compensate for a linear sensor error Factory default is 0 no correction Display code iCor PEN ACTION ON POWER UP This parameter specifies whether this pen on a power up will drive to the Home position center of chart then return to its correct position This is done as a Cal Check Settings are 0 go to home and 1 remain in last position prior to power down Default 0 PLATEN The flat surface in the instrument upon which the chart rotates PROCESS FILTER FACTOR This parameter is adjustable from 1 to 20 which represents the number of scans per second of the process variable that are averaged together before updating the process value used for alarm and PV output purposes The factory default value is 1 no filtering Display code PFF PROCESS OUTPUT Allows re transmission of the process variable Factory default is 0 not selected Display code Pout If selected must be assigned to a current output and scaled using Process Output upper and lower values PROCESS OUTPUT UPPER AND LOWER VALUES Used in conjunction with process output These parameters spec
71. wer on again Confirm that the model number displayed during the power up sequence indicates that the output s is are present in the instrument See Appendix C page 55 for the model number explanation decoding This number should match the number on the label affixed to the platen Turn off the power to the instrument Open the cover Loosen the platen hold down screw and swing the platen open Inspect the instrument Current Output board See Figure 2 6 page 14 for the presence of the output device s The output will not work if the hardware is not present Inspect that the output terminal connections are present and firmly attached Close the platen and tighten the hold down screw Close the cover and turn on the power Refer to the Test section and carry out the procedure for the Current Output s Test 7 page 41 Ifthe current output operates properly in the Test mode re check the Program mode parameters page 28 or Software Ref Sheet page 59 if already filled out Pen s do not operate Verify that the Program mode parameters are properly set page 28 or Software Ref Sheet page 59 if already filled out If the process value in the display exceeds the chart upper or the chart lower values selected in the Program mode the pen will appear stuck at the chart upper or lower edge respectively Re configure values as needed by the application May require a new chart Perform Test 8 as described in the Test
72. ximum Displays SnSr for sensor or transmitter break Alarms go off Relays are de energized Fault detection is not functional for 0 5V or 0 20 mA inputs UL Spec 1092 7 CSA Spec C22 2 File LR39885 Provides up to 40mA of current at 24 VDC 3 years see back page for details Input Specifications THERMOCOUPLE TYPE RANGE TYPE RANGE J 0 to 760 C E 0 to 750 C 0 to 1400 F 0 to 1400 F K 0 to 1360 C B 200 to 1800 C 0 to 2500 F 400 to 3300 F T 220 to 400 C N 0 to 1300 C 330 to 750 F 0 to 2370 F R 200 to 1650 C C 200 to 2300 C 400 to 3000 F 390 to 4170 F S 200 to 1650 C 400 to 3000 F MILLIAMPS VOLTS RTD 4 20mADC 0 to 6 100 OHM with resistor 1to 5 VDC 00385 OHMS OHM C 140 to 400 C MILLIVOLTS 220 to 750 F 0 to 25 mV 0 to 50mV 10 to 50mV can be scaled to any portion of this range ALARM ADJUSTMENTS Process Alarm 9999 to 9999 units Hysteresis 0 to 300 units ALARM OUTPUT Relay SPST 115VAC 5 0A Resistive 1 8HP or 250VA 230VAC 2 5A Resistive 1 8HP or 250VA SSR Driver Open collector output Short circuit protected 100mA maximum Provides 4VDC at 20mA or 3 VDC at 40mA PROCESS OUTPUT 4 20 or 0 20 mADC into 650 ohms maximum load DISPLAY Digital Display Two possible one per installed pen Red LED s 0 56 high Status Indicators LED indicators for Alarm 1 and Alarm 2 and process value units as applicable for each model F C and U 57 58 RECORD Chart

Partlow MRC7000 circular chart recorder user manual

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