Partlow MRC 7000 Installation & Operation Manual Download

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Form 2882 • Price $21.00

Edition 6 • © Dec. 1996

Revised February, 1998

MRC 7000

ONE AND TWO PEN CIRCLE CHART RECORDER

Installation, Wiring, Operation Manua

Brand

Summary of Contents for MRC 7000

Page 1: ...Form 2882 Price 21 00 Edition 6 Dec 1996 Revised February 1998 MRC7000 ONE AND TWO PEN CIRCLE CHART RECORDER Installation Wiring Operation Manual Brand...

Page 2: ...ion 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 r...

Page 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 Trouble...

Page 4: ...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 Opt...

Page 5: ...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 thermocoupl...

Page 6: ...rammable 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 alarm indications are standard for each pen on all instrumen...

Page 7: ...m 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...

Page 8: ...ers 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 pane...

Page 9: ...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 betw...

Page 10: ...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...

Page 11: ...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 54 32 54 59 29 67 356 50 75 59 65 27 TABLE 2 Temperature Error in F per 10...

Page 12: ...h 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...

Page 13: ...rument 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 SPS...

Page 14: ...e that the input conditioning jumpers are properly positioned for a thermocouple input See Appendix A 1 page 50 FIGURE 2 7 RTD Inputs Use TB4 for the Pen 1 input and TB5 for the Pen 2 input Connection...

Page 15: ...FIGURE 2 9 Digital Communications Options Connections 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 docu...

Page 16: ...ed in conjunction with SPDT relays then designation E F are not available SSR driver designation becomes G H D and C SPDT relay output s are designated as Relay A and Relay B only FIGURE 2 10A SPST Re...

Page 17: ...lead to terminal 2 Current outputs will operate up to 650 ohms maximum load FIGURE 2 13 Transmitter Power Supply Input If the isolated 24 VDC regulated transmitter power supply has been specified the...

Page 18: ...ISPLAY 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 O...

Page 19: ...cally 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 th...

Page 20: ...s 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...

Page 21: ...r 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...

Page 22: ...art 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...

Page 23: ...only display provided 3 5 3 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 Firs...

Page 24: ...isplay 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 d...

Page 25: ...25 iCor AL1 AL2 dPoS Euu inPS Prog EuL HyAo SPuL dFF PFF Pout Pou PoL Cru A A B CrL PAEC Unit Pen 1 Pen 2 SPLL Prnd PROGRAM MODE FLOW CHART...

Page 26: ...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 KEY rLyb rLyC rLyd rLyE rLyF rLyA rLyg rLyH CurA Curb CurC Curd CoAr Cobr...

Page 27: ...27 CbS CAd1 CAd2 CCon D Com Optional Coo...

Page 28: ...le 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 Inpu...

Page 29: ...alue 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 degre...

Page 30: ...ocess 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 Ass...

Page 31: ...3 Total Access with Limit Checking 4 Total Access without Limit Checking 41 Communication Bit CbS 1 to 6 6 Rate Selection 1 300 2 600 3 1200 4 2400 5 4800 6 9600 42 Communications CAd1 0 to 99 1 Addre...

Page 32: ...vailable 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 selecte...

Page 33: ...mbly 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...

Page 34: ...ration 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 pag...

Page 35: ...e 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 0...

Page 36: ...rm 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...

Page 37: ...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...

Page 38: ...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...

Page 39: ...tSt1 Listed in Table 4 2 page 40 are the test procedures available Test 1 2 and 3 are performed on start up periodically during operation and on entry into the Test mode Test 4 is executed on entry i...

Page 40: ...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 mic...

Page 41: ...he output in the Volt DC scale The meter should read 5 VDC when the SSR driver is on and 0 VDC when the driver is off Press and release the DOWN key to advance through the following sequence RELAY ON...

Page 42: ...ular 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...

Page 43: ...wer 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...

Page 44: ...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 alrea...

Page 45: ...n 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...

Page 46: ...eck that the jumpers are in the proper position for the Terminal Board where the sensor is connected 4 Perform the calibration procedure s as described in the Calibration section page 35 for the senso...

Page 47: ...nother AC power source Er 8 Cal 2 Volt Input 1 Check that 50 mVDC is properly connected to the Error instrument and is within the tolerance limits as indicated in the CAL2 procedure of the Calibration...

Page 48: ...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 3 Perform the CAL5 procedure as described in th...

Page 49: ...fore the from the instrument response was transmitted Momentary Er 72 1 Data received not valid possible corruption on the Incorrect Block Check comm line Possible noise problems Check baud character...

Page 50: ...B4 TB5 JU3 JU4 PEN 1 INPUT T C mV RTD VOLT mA JU5 PEN 2 INPUT T C mV RTD VOLT mA JU6 JU7 RTDINPUT 230 115 VAC SWITCH 230 VAC MODEL ONLY EPROM SIZE LOCKED JU1 ENABLE MODE REVERSE OF JU4 JU6 JU7 TB1 64K...

Page 51: ...the output to appear to be activated when the relay is off To cure the problem cut the snubber resistor for the output that is being affected Resistor Relay R1 Relay A R2 Relay B R3 Relay C R4 Relay...

Page 52: ...contact may cause the output to appear to be activated when the relay is off To cure the problem cut the snubber resistor for the output that is being affected Resistor Relay R1 R2 Relay A R3 R4 Relay...

Page 53: ...FIGURE A 4 CURRENT OUTPUT BOARD If this option board was ordered you will find it located in the lower right hand corner of the instrument TB10 TB11 TB12 TB13 U1 U3 U2 U5 U4 U7 U6 U9 U8 R50 R51 R52 R...

Page 54: ...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 to...

Page 55: ...1 115VAC Input 2 115 230 VAC Input CSA Approved 4 115VAC Input 5 115 230VAC Input ENCLOSURE OPTIONS 2 Std Cover Plastic Window 4 Door Lock 6 Sealed Conduit Connectors 7 Combination of 4 6 COMMUNICATI...

Page 56: ...90dB minimum 115VAC maximum Line Voltage 115 230VAC 1 50 60 Hz Power Consumption 25VA maximum Operating Temperature 32 degrees to 131 degrees F 0 degrees to 55 degrees C ambient Storage Temperature 40...

Page 57: ...o 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 Resi...

Page 58: ...me 9 seconds over chart span Accuracy 1 0 of chart span max error from displayed value Chart Rotation Accuracy 5 of chart rotation time DIGITAL COMMUNICATIONS Type RS 485 serial communications port Ha...

Page 59: ...Ar Cobr CoCr Codr Crt PAPu Coo CCon CbS CAd1 CAd2 Appendix E Software Reference Sheet ENABLE MODE EtSt ECAL EPro EASt ESPC PAL1 PAL2 ALARM SET Pen 1 Pen 2 inPS iCor AL1 AL2 disP dPoS Euu EuL HyAo SPuL...

Page 60: ...ting 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...

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