Home

Partlow MRC7000 circular chart recorder with control manual

1. AV ELSE VLL oA gue Key e a E d puc On Off Display Use arrow keys Pb2 3 to turn on or off A uuu WE s lt gt JB Scroll Q Numeric Display Use arrow keys to change value A Up Arrow Key Y Down Arrow 33 34 TABLE 3 2 TUNE MODE CONFIGURATION PROCEDURE The Tune mode allows the entry review or altering of the process control Tune adjustments and alarm setting s To enter the Tune mode press and release the SCROLL key until tunE 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 Each time the DOWN key is pressed while a parameter code is being displayed such as SoP the next parameter code in the sequence will be displayed PAL1 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 the Pen 1 parameters have been displayed After all selections have been made press the UP key with a parameter in the display not a setting to exit the mode For illustration purposes all available Tune mode parameters
2. Check the connections to the instrument for the RTD Input Calibration CAL5 as described in the Calibration section page 49 Repeat the RTD Input Calibration Er 5 No Zero Crossings Detected Turn off the power to the instrument Wait 5 seconds and turn the power on Connect the instrument to another AC power source 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 Er 7 AC line over 64 HZ Er 8 Cal 2 Volt Input Error Turn off the power to the instrument Wait 5 seconds and turn the power on Connect the instrument to another AC power source 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 47 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 62 to insure that the input conditioning jumper JU4 is in the non volt position The jumper must 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 47 59 60 Er 9 ADC Reference Numbe
3. 1 1 Product Description 5 SECTION 2 INSTALLATION amp WIRING 2 1 Installation amp Wiring 8 2 2 Unpacking 8 2 3 Location 8 2 4 Mounting 8 2 5 Preparation for Wiring 9 2 6 Wiring Connections 14 SECTION 3 CONFIGURATION 3 1 Configuration Set Up 20 3 2 Configuration Jumper Positioning 21 3 3 Operation Summary 21 3 4 Start Up Procedures 21 3 5 Front Panel Operation 22 SECTION 4 OPERATION 4 1 Off Control Mode 37 4 2 Alarm Operation 41 4 3 Tune Mode Operation 42 SECTION 5 SERVICE 5 1 Service 45 5 2 Changing Charts 45 5 3 Changing Pens 45 5 4 Calibration 46 5 5 Test Mode Procedures 51 5 6 Troubleshooting and Diagnostics Error Code Definitions 55 APPENDICES A Board Layouts and Jumper Positioning A 1 Processor Board 62 A 2 SPST Relay SSR Driver Output Board 63 A 3 SPDT Relay SSR Driver Output Baord 64 A 4 Current Output Board 65 B Glossary 66 C Order Matrix 68 D Product Specifications 69 E Software Record Reference Sheet 72 Warranty Inside back page FIGURES amp TABLES Figure 1 1 Recorder Description 5 Figure 1 2 Recorder Display 7 Figure 2 1 Installation Panel Dimensions Conduit Opening Locations 9 Figure 2 2 Noise Suppression 11 Figure 2 3 Noise Suppression 11 Figure 2 4 Board and Terminal Locations 14 Figure 2 5 AC Power Input 15 Figure 2 6 Thermocouple Inputs 15 Figure 2 7 RTD Inputs 15 Figure 2 8 Milliamp Volt and Millivolt Inputs 16 Figure 2 9 Remote Setpoint Input mADC 16 Figure
4. 14 11 16 gt 373mm Holes should be sized to accommodate screw type needed to fasten instrument This is up to the installer Preparations 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 environ ment Ignition 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 If a mechanical relay being powered by an instrument output device cannot be replaced a solid state relay can be interposed to isolate the instrument Continued on next page 10 3 A separate isolation transformer 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 equipment the wiring in
5. This procedure is used to calibrate the pen s No special test equipment required 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 center 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
6. 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 1 Terr 46 F 1000 ft 2000 ft Terr 0 92 F 13 14 Wiring Connections 2 6 All wiring connections are typically made to the instrument at the time of installation Connec tions are made at the terminal boards provided two 12 gauge wires maximum Terminal boards are designated TB1 through TB13 See Figure 2 4 for the terminal board locations The number of terminal boards present on the instrument depend upon the model number hardware configuration FIGURE 2 4 1234 1234 1234 TB6 TB7 TB8 RELAY SSR Driver Board TB9 Processor Board 1234 Current Output Board TB5 TB10 TB11 TB12 9 BE SAS eee 1 27 2 12 12 12345 12345 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 minimize 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
7. ESI u umm Actual Display 7 e e gt mE On Off Display Use arrow keys to turn on or off co Scroll Key Display Use arrow keys to change value A Up Arrow Key Y Down Arrow 25 KEY Actual Display On Off Display Use arrow keys to turn on or off G Scroll Key Numeric Display Use arrow keys to change value Up Arrow Key Y Down Arrow 26 rapi cc x ELLA GL ALL LL i im s DT M ue LL Locum Pr J mulu Z LU ee J SSS cM Eod Wem uU EEuELSIE P ERN NO PU Mas CAS 6 M ss 27 TABLE 3 1 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 k
8. 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 are 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 process sensor transducers The instrument can be ordered to operate 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 instrument is housed in a structural foam enclosure suitable for panel or surface mounting FIGURE 1 1 Pen 1 Display Pen 1 Auto Man Key Scroll Key Up Key Down Key Pen 2 Auto Man Key Pen 2 Display The number of keys and LED s will depend upon the configuration of individual unit 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
9. 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 5 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 with 01 resolution or equivalent are required Make sure that the Processor board jumpers JU4 JU6 and 05 JU7 are in the proper positions See Appendix A 1 page 62 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 displ
10. value selected Process Alarm Reverse the alarm will be On if the process value is less than the process value selected Deviation Alarm Direct the alarm will be On if the process value is greater than the setpoint plus the deviation value selected Deviation Alarm Reverse the alarm will be On if the process value is less than the setpoint plus the deviation value selected Deviation Band Alarm Open Wilthin the alarm will be On if the process value is greater than one half the deviation band alarm values selected above or below the setpoint Deviation Band Alarm Close Within the alarm will be On if the process value is less than one half the deviation band value selected above or below the setpoint The alarms will be active while the instrument is in the Control mode Relay and solid state relay drivers can be assigned to provide output capability for the alarm functions The alarm value Process deviation or bandwidth is selected in the Tune mode Alarm outputs chatter can be reduced by using the hysteresis for the alarm output adjustable in the Program mode to create a deadband around the alarm point 41 42 Tune Mode Operation 4 3 Proportional output controllers may require the adjustment tuning of the PID and other related parameters This provides a means for the instrument s control algorithm to be adjusted to meet specific application requirements 4 3 1 SYSTEMATIC TUNING METHOD 1 2 Changes
11. 0 go to home and 1 remain in last position prior to power down Default is 0 Platen The flat surface in the instrument upon which the chart rotates Position Proportioning Sensitivity A percentage of the first output proportional band width Pb1 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 control purposes The factory default value is 1 no filtering Display code PFF Process Retransmission 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 retransmission output These parameters specify the process value range over which the assigned current output will vary in a linear manner from 100 to 096 If the process value is greater than Pou the output will be 10096 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
12. 5 The display may be configured to display the Process Value Process Value and Setpoint Deviation from Setpoint only Deviation and Setpoint or Setpoint only During configuration the display s is are used to show the enabled modes of operation and the parameter codes 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 Manual mode operation Output 1 Output 2 Alarm degrees C degrees F engineering units setpoint and minus sign See Figure 1 2 page 7 Display resolution is programmable for 0 1 or 1 degree for thermocouple and RTD inputs and none one two or three decimal places for other input types 1 1 4 CONTROL The instrument can be provided with relay solid state relay driver and milliamp DC outputs Instruments can be programmed for on off time proportioning current proportioning or position proportioning control depending upon the hardware present Switching between the Control mode and the Manual mode of operation is easily accomplished with a dedicated key on the keypad Switching is bumpless from the Control to the Manual mode and while in manual manipulation of proportional outputs is possible Each pen of a dual pen recording controller is provided with its own AUTO MANUAL key Other standard control features include proportional control output limits setpoint limits anti reset windup and a unique Autom
13. 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 moves back downscale to nominally place the pen at the outer ring 10096 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 096 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 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 5096 point on the chart th
14. UTP are used to calculate ideal P PI PD PID tuning parameters using the following Ziegler Nichols equations Proportional only control P P Pb 2 x UPB degrees or units Proportional plus automatic reset P Pb 2 2 x UPB degrees or units I ArSt 1 2 UTP repeats per minute Proportional plus derivative or rate PD P Pb 1 7 x UPB degrees or units D rAtE UTP 8 minutes Proportional plus automatic reset plus derivative PID P Pb 1 7 x UPB degrees or units I ArSt 2 UTP repeats per minute D rAtE UTP 8 minutes If an over damped response is desired multiply the proportional band by two Referenced illustration on next page 43 44 Period Curve unstable Curve stable Curve C continuously cycling ultimate PB and period Service 5 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 5 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 uppe
15. does not apply to position proportioning control In an error condition the unit goes only to 0 output fully closed With Position Proportioning control it may be necessary to adjust the Sensitivity Tune SEnS mode parameter to reduce or eliminate oscillations of the motor around setpoint If oscillation occurs increase the SEnS value until the motor stops oscillating If the differential between the Open and Closed rotation is too large then decrease the SEnS value Also for proper Position Proportioning operation it is necessary to specify the actuation time of the valve or damper from full open to full closed If the motor has a stroke duration of 60 seconds change the value in the Cycle Time parameter Ct1 to 60 This ensures that controller will move the motor for the proper amount of time when making adjustments 39 40 4 1 2 7 PROPORTIONAL OUTPUT PERCENTAGE DISPLAY While in the Control mode pressing the UP and the SCROLL keys at the same time will cause the display to sequence through a series of display codes and values 1 Percent Output if applicable Output 1 value Po2 Percent Output if applicable Output 2 value Proc Process Value Actual Process Value Each code and output value will be displayed only if the corresponding proportional output is present Each code or value will be displayed for 1 second This sequence of displays will continue until the SCROLL key is pressed which will then return the display to the norma
16. have been listed The parameters that will appear on the specfic instrument will depend upon the parameter selections previously made in the Program mode For future reference record the parameter selections for the application in the Your Setting column and on the Software Reference Sheet in Appendix E page 72 Use the Software Reference Sheet to program the instrument To prevent unauthorized changes to the Tune mode the mode can be disabled turned off in the Enable mode The Tune mode is adjusted on line The instrument will react to changes as they are made DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODES SETTINGS SETTING SETTING 1 Second Output Position SoP 1000 to 1000 units 0 Will not be seen if out2 0 7 2 Process Alarm 1 PAL1 9999 to 9999 units 0 The Alarm setting seen will depend upon the Alarm selected in the Program mode 3 Deviation Alarm 1 dAL1 3000 to 3000 units 0 4 Deviation Band Alarm 1 bAL1 1 to 3000 units 1 5 Process Alarm 2 PAL2 9999 to 9999 units 0 6 Deviation Alarm 2 dAL2 3000 to 3000 units 0 7 Deviation Band Alarm 2 bAL2 1 to 3000 units 1 8 Proportional Band Pb1 1 to 3000 units 100 Output 1 Will only be seen if 11 3 4 5 6 7 9 Proportional Band Pb2 1 to 3000 units 100 Output 2 Will only be seen if 0ut2 3 4 5 6 10 Manual Reset rSEt 1500 to 1500 units 0 Will only be seen if Pb1 Pb2 were shown STEP 11 16 DESCRIPTION Automatic Reset Integration Will be s
17. in a mode used to sequence the parameter codes and values Exit some Test and Calibration functions Work in conjunction with other keys a With the UP key to display proportional output b With the DOWN Key 1 On power up to alter model 2 Enter Cal Test functions Exit a mode Turn a mode On in the Enable mode Increase a parameter numerical value View the setpoint for Pen 1 Press release Increase the setpoint value Press hold Work in conjunction with other keys a With the SCROLL key to display proportional output b With the DOWN key 1 Lamp test Press release 2 Enter the Enable mode Press and hold for 11 seconds Enter a mode Turn a mode in the Enable mode Decrease a parameter numerical value View the setpoint for Pen 2 if provided Decrease the setpoint value Press hold Step display through parameter codes in a mode Work in conjunction with other keys a With the SCROLL key 1 On power up to alter the model number displayed 2 Enter Cal Test functions b With the UP key 1 Lamp test Press release 2 Enter the Enable mode Press and hold for 11 seconds In the Control mode to enter the Manual mode if proportional output s selected In the Manual mode to enter the Control mode if proportional output s selected 23 24 FIGURE 3 1 1 AUTO MAN 2 506 Key UP lt Key Pen 2 AUTO MAN Pi Ke LAMP TEST From the Off or Control modes all disp
18. in tuning parameters should be made one at a time After making any changes in tuning parameters a disturbance should be introduced into the process so that the process reaction may be observed This process reaction or recovery will tell whether the tuning parameters provide the desired control It is usually easiest to make a step change in setpoint to introduce this disturbance The change in setpoint or disturbance referenced above should be large enough to cause an observable deviation of process from setpoint However this change should not be so large that it will cause the controller output to proceed to either extreme limit Controller tuning for optimal control is not hard and fast BE PATIENT The process will take a certain amount of time to react to the setpoint changes during tuning The amount of time depends upon the specific process however a period of 8 to 12 minutes should be allowed between changes The important point to remember is to allow the process to react completely do not rush through tuning of the controller If the complete process reaction is not observed optimum control may never be achieved Time Proportioning control output s require the cycle time to be adjusted for the application Short cycle times typically result in the most accurate process control but will cause the quickest wear out of any mechanical components Leave all other tuning parameters except for the alarm settings at the factory d
19. 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 Proportional Band PB This parameter is adjustable from 1 to 3000 units not Percent of span and represents the process value range where the proportional output is at a percentage of the full output Instructions for determining Pb are given in Section 4 3 page 42 Factory default is 100 units Display code Pb1 and Pb2 Rate Derivative This parameter is adjustable from 0 0 to 10 0 minutes and specifies how the control action responds to the rate of change in the process variable For example if the process variable is rising rapidly to setpoint power is turned off sooner than it would be if the rise were slow In effect derivative action anticipates lags within the system and shifts the proportioning band by an amount determined by the rate of change of the input sensor Magnitude of the shift is determined by a derivative time constant If the time constant is say 1 minute 6 seconds for every unit per second rate of change of the process variable at the sensor the proportiong band is moved 7 units in the direction that helps control Likewise if the time constant is 1 minute 60 seconds for every unit per second rate of change of the process variable at the sensor the proportioning band is moved 60 units in th
20. page 9 for conduit opening locations EC1 AC Power Input EC2 Analog input and mADC outputs EC3 SPST relay or SSR driver outputs EC4 SPST relay SSR driver outputs provided when gt 4 relays 8 SSR drivers total 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 FIGURE 2 5 AC Instrument Power Input Connect the 115 hot and neutral to terminals 1 and 2 respectively of TB1 See Figure 2 4 page 14 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 Line 1 Line 2 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 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 62 TB4 or TB5 Grounded or Ungrounded Thermocouples may be used FIGURE 2 7 RTD Inputs Use for the Pen 1 and 85 for the P
21. positive lead to terminal 4 and the negative lead to terminal 3 Terminal 3 is the ground terminal 4 is the input terminal 5 is 5 VDC If a 4 to 20 mADC remote setpoint is to be used the instrument remote setpoint input should be configured for 1 to 5VDC in the Program mode and a 250 ohm resistor should be installed across terminals 4 and 3 A 250 ohm resistor is provided with the instrument one per pen The resistor s are shipped in the plastic bag that is clipped to the inside of the instrument cover This is the same bag that contains the spare pen cartridge s TB4 or TB5 TB4 or TB5 SHIELDED MULTI CONDUCTOR CABLE 150 TO 10K OHM POTENTIOMETER FIGURE 2 10 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 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 2 6 4 OUTPUT CONNECTIONS Relay output s if provided in the instrument may be assigned to control or alarm ou
22. 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 69 Verify that the Program mode input selection matches the sensor input connected page 28 or Software Ref Sheet page 72 if already filled out Check that the input conditioning jumpers on the Processor board Appendix A 1 page 62 are in the proper position for the sensor 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 46 for the sensor input type FbEr Slidewire Feedback Error Inspect the Slidewire Feedback connections at terminals 8 7 and 5 Be sure that the connections are the same as shown in the position proportioning illustration page 19 Measure the resistance of the slidewire segment The minimum resistance must be 135 ohm the maximum 10K ohms Perform the Auxiliary Input Test Test 9 as described in the Test section page 54 The voltage indicated should be between 0 and 5 VDC Hi Input more than 10 Over Span Lo Input more th
23. 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 require an earth ground connection to function To verify that a good earth ground is being attached make a resis tance 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 It is 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 3 WIRE ISOLATION SEGRATION 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 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 m
24. 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 53 54 The current output reading should be 0 1 mADC at any output value 5 of span adjustment for the current output s is provided by using the potentiometer adjacent to the current output on the Current Output board See Appendix A 4 page 65 To exit the test press the SCROLL key and 1517 will be displayed The existence of a mADC current output is dependent upon the hardware configuration 5 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 u
25. 092 File E67237 CSA Spec C22 2 File LR39885 Provides up to 40mA of current at 24 VDG 3 years see back cover for details 69 70 Input Specifications THERM OCOUPLE TYPE RANGE TYPE RANGE J 0 to 760C E 0 to 750C 0 to 1400F 0 to 1400F K 0 to 1360C B 200 to 1800C 0 to 2500F 400 to 3300F T 220 to 400C N 0 to 1300C 330 to 750F 0 to 2370F R 200 to 1650C C 200 to 2300C 400 to 3000F 390 to 4170F S 200 to 1650C 400 to 3000F MILLIAMPS MILLIVOLTS RTD 4 20 mADC 25 mV 100 OHM with resistor 0 to 50 mV 00385 OHMS OHM C 10 to 50 mV 140 to 400C VOLTS REMOTE SETPOINT 0 to 5 VDC 0 to 5 VDC 1to 5 VDC 1to 5 VDC CONTROL ADJUSTM ENTS Proportional Band Manual Reset Auto Reset Integral Rate Derivative Cycle Time Position Proportioning Sensitivity On Off Hysteresis width of hysteresis band First Output Position Second Output Position Automatic Transfer Function Auto Manual Manual Output 1 to 3000 units 1500 to 1500 units 0 0 to 100 0 repeats per minute 0 0 to 10 0 minutes 1 to 240 seconds 0 0 to 50 0 0 to 300 units 1000 to 1000 units 1000 to 1000 units User selectable to transfer from manual to automatic control when setpoint is reached Can be disabled Bumpless transfer from automatic to manual 0 to 100 ALARM ADJUSTMENTS Process Alarm Deviation Alarm Deviation Band Alarm 9999 to 9999 units 3000 to 3000 units 1 to 3000 units Hyste
26. 18 4 44 11 00 5 00 13 52 13 65 7 47 88 50 18 80 6 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 Thermocouple Type No J K T R 5 5 B N C 10 1 22 3 07 1 37 3 68 3 81 2 07 25 20 0 4 55 12 1 94 4 82 2 18 5 93 5 93 3 27 39 60 2 7 32 14 3 13 7 73 3 51 9 61 9 53 5 25 63 00 1338 11 47 16 4 93 1218 5 54 14 93 15 04 8 28 99 90 2128 18 20 18 7 99 19 80 9 00 24 34 2456 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 A recorder is to be located in a control rrom 660 feet away from the process Using 16 AWG Type J thermocouple how much error is induced Terr TLe L 4 93 F 1000 ft from Table 2 Terr 4 93 F 1000 ft Terr 3 3 F RTD LEAD RESISTANCE RTD lead length can affect instrument accuracy Size gauge and length of the wire used affects lead length resistance To determine the temperature error resulting from the lead length resistance use the following equation Terr TLe L where TLe value from Table 3 if 3 wire or Table 4 is 2 wire L length of leadwire in thousands of feet TABLE 3 3 Wire RTD AWG No Error Error F 10 0 04 0 07 12 0 07 0 11 14 0 10 0 18 16 0 16 0 29 18
27. 2 0 1 2 7 Output 2 Percent o2LL 0 to 100 percent 0 Lower Limit Alarm 1 AL1 0106 0 the Alarm Point 0 None is selected in the Tune mode Alarm 2 AL2 Display Select diSP Decimal Position dPoS Engineering Units Euu Upper Value Euu and EuL will be seen if the pen input select 30 31 32 33 34 Engineering Units EuL Lower Value Hysteresis for HyCo Control Outputs 1 Process Alarm Direct 2 Process Alarm Reverse 3 Deviation Alarm Direct 4 Deviation Alarm Reverse 5 Deviation Band Alarm Open within band 6 Deviation Band Alarm Closed within band Same selections as Alarm 1 0 1 Process value only 1 2 Process value setpoint 3 Deviation only 4 Deviation and setpoint 5 Setpoint only 0103 0 1 One decimal place 2 Two decimal places 3 Three decimal places RTD and thermocouple inputs are limited to either 0 or1 decimal positions 9999 to 9999 1000 9999 to 9999 0 0 to 300 3 Width of Hysteresis Band See page 66 for definition 29 30 STEP 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 DESCRIPTION Hysteresis for Alarm Outputs Remote Setpoint If rSP is set to zero then rSPu and rSPL are not seen Remote Setpoint Upper Value Remote Setpoint Lower Value Setpoint Upper Limit Setpoint Lower Limit Automatic Transfer Process Rounding of Displayed Value Display Filter Factor Process Filter Factor Process Value
28. 2 10 Digital Communications 17 Figure 2 11A SPST Relay Output 17 Figure 2 11B SPDT Relay Output 18 Figure 2 12 SSR Output 18 Figure 2 13 Current Output 18 Figure 2 14 24 VDC Power Supply Option 19 Figure 2 15 Position Proportioning Control Output 19 Figure 3 1 Keypad Features 24 Figure 5 1 Changing Pens 45 Table 3 1 Program Mode Configuration Procedure 28 Table 3 2 Tune Mode Configuration Procedure 34 Table 3 3 Enable Mode Configuration Procedure 36 Table 5 1 Calibration Procedure 47 Table 5 2 Test Procedures and Description 52 FLOW CHARTS Flow Calibration 46 Flow Enable Mode 36 Flow Program Mode 25 Flow Setpoint Select 38 Flow Standby 41 Flow Test 50 Flow Tune Mode 33 Product Description 1 1 1 1 1 GENERAL The instrument is a microprocessor based circular chart Recorder Controller capable of measuring displaying recording and controlling from a variety of inputs Applications include temperature level pressure flow and others The instruments can be specified as either a single or as a dual pen model Recording control functions alarm settings and other parameters are easily entered via the keypad All user s 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 sensor input for each terminal block is user configurable to directly connect to either thermocouple RTD mVDC VDC
29. 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 The instrument will display hoLd Release both keys Press the DOWN key deLy will be dis played for up to 10 seconds then SCAn for 10 seconds If SCAn remains in the display for much longer than ten seconds refer to the note below The instrument will compute and display the cold junction 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 To exit press the SCROLL key and CAL 3 will be displayed again NOTE 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 The instrument will begin the calibration procedure with a default value and proceed to dELy as described above Error recovery See section 5 6 page 55 for details on specific errors The calibration can be exited if hoLd or the CJC temperature is displayed by pressing the SCROLL Key 5 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
30. 3 Current Output Connections are made to current outputs A thruough D as shown Each current output is programmable as either 4 to 20 mADC or 0 to 20 mADC Each output must be assigned to the desired function in the Program mode 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 Each current output will operate up to a 650 ohms maximum load TWISTED PAIR 650 OHMS MAXIMUM FIGURE 2 14 Transmitter Power Supply Input If 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 up to 2 transducers 40 mADC maximum TB3 TB4 or TBS TB3 TB4 TB5 SHIELDED TWISTED PAIRS TWO WIRE TWO WIRE TWO WIRE TRANSMITTERS TRANSMITTERS TRANSMITTERS FIGURE 2 15 Position Proportioning Control Output Position Proportioning control requires that two relays or SSR Drivers and the Position Proportioning Auxiliary input be specified On a dual pen instrument either pen may be configured with Position Proportioning control provided the outputs and auxiliary inputs have been properly specified L2 OPEN L
31. 5 are in the non volt positions See Appendix A 1 page 62 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 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 47 48 Error recovery See section 5 6 page 55 for details Ensur
32. CLOSE lt H Modulating Motor Slidewire Feedback Resistance min 135 ohms max 10K ohms i TB4 5 TB6 7 orTB8 TB5 ____ 2 3 1 L1 19 20 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 on 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 so this procedure need not be repeated unless required 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 up 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 Con it n Program tee de Select ay MODE DISPLAY CODE FUNCTION DESCRIPTION Operation Outputs and Alarms are Chart may stop rotating selectable Control CtrL Control Outputs and Alarms are Active Test tESt Service Tests Instrument Operation Calibration CAL Service Calibrates Resets Instrument Program Prog Configuration Configure Operating Parameters Tune tunE Configurati
33. Form 2877 Price 32 00 Edition 7 Dec 1996 Revised February 1998 ONE AND TWO PEN CIRCLE CHART RECORDING CONTROLLER MRC7000 Installation Wiring Operation Manual k Dww EN ii NOTE nformation in this installation wiring and operation 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 Copyright 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 Seventh Edition of the MRC 7000 Recording Controller Manual It was written and produced entirely on a desk top publishing system Disk versions are available by written request to The Partlow West Advertising and Publications Department 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 recording controller It 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 NUMBER
34. G Same selection as 0 Assignment 45 Current Output D Curd Same selection as CurA 0 Assignment 46 Current Output A CoAr 0101 1 Range 0 0 20 1 4 0 32 STEP 47 48 49 50 51 52 53 54 55 56 DISPLAY AVAILABLE FACTORY YOUR DESCRIPTION CODES SETTINGS SETTING SETTING Current Output B Cobr Same selection as CoAr 1 Range Current Output C CoCr Same selection as CoAr 1 Range Current Output D Codr Same selection as CoAr 1 Range Chart Rotation Time Crt 0 1 to 999 9 hours per 1 0 rotation Pen Action on Power Up PAPu 0 go to the home 0 posistion toward chart cetner when powered up 1 Pen s remain in last position prior to power down Chart Operation Coo 0101 0 in Off Mode 0 Chart continues rotating in the Off mode 1 Chart stops rotating while in the Off mode COMMUNICATIONS OPTIONS PARAMETERS Communication CCon 0104 3 Configuration 0 011 1 Monitor Mode Read Only 2 Normal Mode Read and Write 3 Total Access with Limit Checking 4 Total Access without Limit Checking Communication Bit CbS 1106 6 Rate Selection 1 300 Will not be seen if 2 600 Con 0 3 1200 4 2400 5 4800 6 9600 Communications CAd1 0 to 99 1 Address Pen 1 Will not be seen if Con 0 Communications CAd2 0 to 99 2 Address Pen 2 If provided Will not be seen if Con 0 TUNE MODE FLOW CHART t VI
35. N 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 internal 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 ob served 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 o
36. Output Retransmission If Pout 0 then Pou and PoL will not be displayed Process Output Upper Value Process Output Lower Value Chart Range Upper Value Chart Range Lower Value Proportional Output 1 Action on Error Condition If out1 0 1 2 then P1EC will not be displayed Proportional Output 2 Action on Error Condition If out2 0 1 2 7 then P2EC will not be displayed DISPLAY AVAILABLE FACTORY YOUR CODES SETTINGS SETTING SETTING HyAo rSP rSPu rSPL SPuL SPLL AtFr Prnd dFF PFF Pout Pou PoL Cru P1EC P2EC 0 to 300 3 Width of Hysteresis Band see page 66 for definition 0102 0 0 Not Used 1 110 5 0 2 0 to 5 VDC 9999 to 9999 1400 9999 to 9999 0 9999 to 9999 1400 9999 to 9999 0 0102 0 0 No Automatic Transfer 1 Transfers when the process value goes below the setpoint 2 Transfers when the process value goes above the setpoint 0 to 100 0 0 No rounding 11020 1 1 no filtering number of values averaged Same selection as dFF 1 0 Not selected 0 1 Selected 9999 to 9999 2000 9999 to 9999 0 9999 to 9999 200 9999 to 9999 0 to 100 0 0 to 100 0 DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODES SETTINGS SETTING SETTING 33 Pen Action on Oori 1 Error Condition 0 Pen goes to 0 of chart 1 Pen goes to 100 of chart Pressing the SCROLL key with the PAEC parameter value displayed in the Pen 1 window w
37. Relay B Relay C Relay D Relay E Relay F 63 64 FIGURE A 3 SPDT RELAY SSR DRIVER OUTPUT BOARD TS1 R1 TS2 R2 TS3 R3 rlyA If the relay is connected to a high impedance AC device the snubber network used to protect the relay 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 rlyB Resistor R1 R2 R3 R4 R5 R6 R5 ase ale alk Relay Relay A Relay B Relay C Relay D FIGURE A 4 CURRENT OUTPUT BOARD om om On ele ele elel ele If this option board was ordered you will find it located in the lower right hand corner of the instrument 65 66 Appendix B Glossary Automatic Reset Integral This parameter is used so that the instrument will compensate for process variable deviations from setpoint that occur when the process load characteristics change Instructions for determining the automatic reset settings are given in Table 3 2 Page 34 Factory default is 0 0 Display 0006 4 Automatic Transfer This feature if configured allows manual control of the process until setpoint is reached at which point the controller automatically transfers from manual to automatic control Factory default value is 0 no auto transfer Display code AtFr Bumpless Transfer This feature prevents step changes in proportional outputs when changin
38. UMPER POSITIONING Jumpers are used to condition the sensor inputs and to provide a security lockout feature All jumpers are located on the instrument Processor board The instrument board layout and jumper locations and functions are shown in Appendix A 1 page 62 Check the jumper positions in the instrument and verify that they are in the proper position for the intended application The sensor input jumpers JU4 JU5 JU6 and JU7 condition the sensor input signals and must be used in conjunction with input type selections made in the Program mode page 28 Operation Summary 3 3 3 3 1 MODE SELECTION If the instrument is either in the Off mode or the Control 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 If a mode does not appear refer to the Enable mode section for information on how to determine if the mode is on Entry into any mode except the Control Tune Manual Off and Enable modes will cause the output s to turn off and any process re transmission value output s to be 0 Entry into the Off mode will cause process re transmission to remain active Start up Procedures 3 4 All configuration parameters are listed in Tables 3 1 through 3 5 For a single pen instrument parameters for each mode are displayed in the upper right display If the instrument b
39. an 10 Under Span Perform the steps listed for the SnSr Error Condition above Perform the steps listed for the SnSr Error Condition above display overranged the broken 6 appears on the left segment of the display 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 46 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 56 If this error appears check the Program mode parameter if not 0 change to 0 and the error clears Er 1 Microprocessor RAM Failure 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 62 Close the platen and tighten the screw Close the cover and turn 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
40. anual is included with the unit when the communications option is specified FIGURE 1 2 Manual Output 1 Output 2 Alarm MAN OUT2 ALRM s SP Setpoint Minus Sign Digital Display Installation and Wiring 2 1 Read these instructions carefully before proceeding with installation and operation Electrical code requirements and safety standards should be observed Installation should be performed by qualified 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 instrument 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 F to 131 F 0 C to 55 C range Mounting 2 4 Figure 2 1 page 9 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 instr
41. ase the output percentage value If no keys are pressed the display will sequence through the following displays Pol if output 1 is 3 4 5 6 7 then the output 1 percentage of output value Po2 if output 2 is 3 4 5 6 7 then the output 2 percentage of output value Proc will be displayed then current process value for that pen In order to change a proportional value once the cyclic display begins press and release the UP or DOWN key then press the SCROLL key until the display code for the output displayed is Po1 or Po2 Press the SCROLL key again to see the percentage of output value Press the UP key to increase the output percentage value Press the DOWN key to decrease the output percentage value To return to the Control mode of operation from the Manual mode press the specified AUTO Man key If the Automatic Transfer feature is selected in the Program mode the instrument will switch from Manual mode to the Control mode when process value reaches the setpoint value STANDBY M ODE FLOW CHART Stby KEY Actual Display On Off Display Use arrow keys to turn on or off abs Scroll Key Numeric Display Use arrow keys to change value Up Arrow Key Down Arrow Alarm Operation 2 There are two alarms available per pen The type of alarm is selected in the Program mode as follows 1 Process Alarm Direct the alarm will be On if the process value is greater than the process
42. atic Transfer function If configured the Automatic Transfer function allows manual control of the proportional output until the process reaches the setpoint at which time the instrument will go into the Control automatic mode of operation 1 1 5 ALARM An Alarm indicator is standard for each pen Two alarm functions are provided for each pen and the alarm indicator will light if either alarm for that pen is on Alarm settings are program mable Alarm type may be selected as process direct or reverse high or low deviation from setpoint direct or reverse and deviation band open or closed within the band 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 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 but can not be used as a control output while assigned as a process value re transmission output 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 A dual pen instrument can have an individual address selected for each pen Refer to the Communica tions Protocol Manual Form 2878 for more details regarding the communications option This m
43. ayed 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 Error recovery See section 5 6 page 55 for details on specific errors The calibration can be exited when the instrument displays hLd1 by pressing the SCROLL key 5 4 6 CAL 6 COLD JUNCTION UTILITY This routine provides selection of operating modes for the cold junction compensation 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 49 50 5 4 7 CAL 9 PEN CALIBRATION
44. ayed 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 settings A hardware jumper located on the Processor Board See Appendix A 1 Page 62 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 unlocked position DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODES SETTINGS SETTING SETTING 1 Test Mode EtSt on or oFF oFF 2 Calibration Mode ECAL onoroFF oFF 3 Program Mode on or oFF on 4 Tune Mode Etun on or oFF on 5 Manual Stby Mode ESby on or oFF on 6 Setpoint Select mode ESPS on or oFF on Optional 7 Setpoint Change ESPC on or oFF on ENABLE M ODE FLOW CHART EnAb Im 6 Im ZOL ec dud Operation 4 1 4 1 1 OFF MODE In the mode the instrument control and alarm function 5 are turned off Process Retransmission signal s remain active The chart rotation can be selected in the Program mode to stop or continue to rotate when the instrument is in the Off mode The pen s will remain active The Off mode can be entered by pressing and releasing the SCROLL key until the display read
45. crease check the Program mode to see that you are not trying to increase the setpoint above the setpoint upper limit SPuL If the setpoint will not decrease check the Program mode to see that you are not trying to decrease the setpoint below the setpoint lower limit SPLL If the setpoint will not increase or decrease check that the Setpoint Change mode is On in the Enable mode Dual Pen Instruments The setpoint of each instrument can be reviewed separately Pen 1 To review and change the local setpoint for Pen 1 press the UP key The green LED in the upper display will light indicating that the setpoint value is displayed The setpoint can now be raised by pressing and holding the UP key or decreasing by pressing the DOWN key Pen 2 The setpoint for Pen 2 is viewed and changed in the same manner except the DOWN key must be pressed to access the Pen 2 setpoint The setpoint will change slowly at first then faster as the key is held If the setpoint will not increase check the Program mode to see that you are not trying increase the setpoint above the setpoint upper limit SPuL If the setpoint will not decrease check the Program mode to see that you are not trying to decrease the setpoint below the setpoint lower limit SPLL If the setpoint will not increase or decrease check that the Setpoint change mode is On in the Enable mode 4 1 2 2 REMOTE SETPOINT OPERATION Single Pen Instruments If the instrument is specified and provided with Re
46. e 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 62 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 the 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 62 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 Tune mode parameters will need to be re entered pages 28 thru 35 or Software Ref Sheet page 72 if already filled 55 56 Model Number Displayed during power up is incorrect 1 Turn off the instrument power wait 5 seconds then re apply the power V
47. e Test 1 through 3 are executed automatically Upon successful completion of these tests CtrL or oFF will be displayed for about three seconds The mode displayed will be the mode that the instrument was in when the power was turned off During this time the operator may select another mode Tune Manual 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 equipped lower will occur to show the instrument is alive 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 on 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 CtrL or oFF will be displayed for about three seconds The mode displayed will be the mode that the instrument was in when the power was turned off During this time the operator may select another mode Tune Manual Enable or non operational mode Test Program Cal Step 3 If any error messages are displayed refer to Section 5 6 page 55 for a definition of the
48. e direction that helps control Factory default is 0 0 Display code rAtE Second Output Position SoP This parameter is adjustable from 1000 to 1000 units and represents a shift or offset of the on off actuation points or proportional band for the second output relative to the normal position A positive value creates a gap where no control outputs are on a negative value creates an overlap of control outputs if the first output position is at the normal position Second Output Position also shifts the proportional band with respect to the process value range outside of which integral action is highlighted reset windup inhibit Factory default is O Display code SoP 67 68 Appendix C Order Matrix Option Suffix 00 None N3 NEMA3t Pen 1 2 Recording Controller Pen 2 0 None 1 Recorder Only 2 Recorder Controller Voltage 1 115VAC Input 2 115 230VAC Input CSA Approved Relay SPST Outputs 4 115VAC Input 115 230VAC Input 5 Enclosure Options Six 2 Standard Cover 6 One SPDT Plastic Windows 7 Two SPDT 4 Door Lock 8 6 Sealed Conduit Conn 9 Two SPDT and Two SPST SEO UAE SEAS er Outputs Communications 1 One 0 None 2 Two 2 RS 485 Total Access 4 Four 5 6 Six Pen 2 Auxiliary Input 8 Eight 0 m 1 Position Proportioning 4 to 20mA Outputs 2 Remote Setpoint 0 None 1 6 Pen 1 Auxiliary Input 2 Two 0 None 3 Three 1 Position Proportioning 4 Four 2 Remote Setpoint Transmitt
49. e 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 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 5 4 3 CAL 3 COLD JUNCTION COM PENSATION 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
50. ed The reverse current output control is typically used in heating applications The current output will decrease as the process value increases within the proportional bandwidth selected The instrument can be programmed to provide 0 to 20mADC or 4 20mADC current output s The output selected is dependent upon the final control element being used in the process The output 1 and or output 2 LED will be lighted whenever the Current Proportional outputs are selected 4 1 2 6 POSITION PROPORTIONING CONTROL Position Proportioning control can be implemented on those controllers provided with two SPST relay outputs or two SSR Driver outputs and Slidewire Feedback option for the respective pen This control implementation can be performed on each pen Position proportioning control permits the use of PID control where the final control element is a modulating device such as a motorized valve In this form each of the two required relays or SSR Drivers will be used to control the valve One output will be used to open the valve the other is used to close the valve The slidewire feedback is used to provide a signal relative to the valve armature position to the instrument As with the other proportioning control forms the process input tuning parameters and the Setpoint are used by the control algorithm to calculate the output required to correct for the deviation between setpoint and process Proportional Output 1 Action P1EC on error condition
51. een if Pb1 or Pb2 was shown Rate Derivative WII be seen if Pb1 or Pb2 was seen Cycle Time Output 1 Will be seen if out1 3 4 7 Cycle Time Output 2 Will be seen if out2 3 4 Position Proportioning Sensitivity Will be seen ifout1 7 and or out2 0 7 First Output Position DISPLAY AVAILABLE CODES SETTINGS ArSt 0 0 to 100 0 repeats per minute rAtE 0 0 to 10 0 minutes Ct1 1 to 240 seconds Ct2 1 to 240 seconds SEnS 0 0 to 50 0 percent FoP 1000 to 1000 units FACTORY SETTING 0 0 0 0 30 30 1 0 YOUR SETTING 35 E 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 36 TABLE 3 3 ENABLE MODE CONFIGURATION PROCEDURE To enter the Enable mode press the UP and DOWN keys while in CtrL 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 Pen 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 displ
52. efault settings Obtain the best possible process reaction by adjusting the Proportional Band width parameter The setting that achieves the best response for the process should be left in the controller programming and should be noted on the Software Reference Sheet in Appendix E page 72 If there are to be no setpoint or load changes in the process the Proportional Band adjustment may be all that is necessary for proper control If an offset still exists the process does not settle out at setpoint for the best possible proportional band adjustment Manual Reset may be added to eliminate this offset Auto Reset may be added to eliminate process offsets with respect to setpoint Increase Auto Reset from 0 to 0 2 increments Start with a small amount Increase this increment if there is no apparent reaction Remember to allow the process 8 to 12 minutes to react to any changes If necessary Rate may be added Rate is a dynamic tuning parameter Rate may be required to compensate for load changes or to inhibit process oscillations that occur when a large amount of auto reset 4 or 5 repeats minute is being used 10 Controller tuning is not hard and fast It may be necessary to adjust the tuning parameters over a period of time to obtain optimal control of the process 4 3 2 ZIEGLER NICHOLS TUNING METHOD This procedure has been determined empirically to yield ideal 1 4 amptitude decay tuning parameters that are determined by watching
53. eing 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 except while executing a calibration or test procedure and no keypad activity takes place for 30 seconds the instrument will time out and exit the mode automatically The display will become 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 Control or Off mode depending upon whether the mode entered was an operational mode Tune Manual Enable or non operational mode Test Program Cal 21 3 4 1 POWER UP PROCEDURE Step 1 Verify that all electrical connections have been properly made before applying powerto the instrument Step 2 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 1512 1513 will be displayed whil
54. en 2 input Connections are shown for 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 62 TB4 or TB5 TB4 or TB5 Jumper SUPPLIED BY CUSTOMER 3 Wire RTD 2 Wire RTD 15 16 FIGURE 2 8 Volt Millivolt and milliamp Input Make the volt millivolt and milliamp connections as shown below Use TB4 for thePen 1 input and TB5 for the Pen 2 input Terminal 1 is positive and terminal 2 is negative The milliamp input requires 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 62 NOTE Fault Detection is not functional for 0 5V or 0 20mA inputs TB4 or TB5 TWISTED PAIR MAY BE SOURCE Ga 0 UNGROUNDED FIGURE 2 9 Remote Setpoint Input VDC mADC If Remote Setpoint option has been specified make connections as shown The remote setpoint input may be selected as either 0 to 5 VDC or 1 to 5 VDC input in the Program mode section Make sure the configuration properly matches the input used Use TB4 for Pen 1 and TB5 for Pen 2 if Pen 2 is provided and specified with the Remote Setpoint option Connect the
55. en 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 Test Mode 5 5 To enter the 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 5 2 page 52 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 into and periodically during the Operation mode These tests can be used as a trouble shooting aid TEST MODE FLOW CHART 5 5 E m 322 ee gt 47 Actual Display On Off Display Use arrow keys to turn on or off Scroll Key Display Use arrow keys to change value Up Arrow Key Down Arrow 51 52 TABLE 5 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
56. ent To remove pen for pens order replacement pull up at back Green 60500401 2 1 Calibration 5 4 CAUTION Do not attempt any calibrations without the proper test equipment 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 CAL5 will only need to be required on TB4 to calibrate Pen 1 and Pen 2 inputs Both TB 4 and TB 5 inputs must be calibrated for thermocouple inputs Table 5 1 page 47 provides a listing of field calibra tion routines All instruments are calibrated prior to shipment from factory CALIBRATION FLOW CHART zd ea KEY 5 2 e Actual Display On Off Display Use arrow keys to turn on or off Scroll Key Numeric Display Use arrow keys to change value CAL7 lt lt 4 CAL9 6 6 gt Up Arrow Key Down Arrow d dl TABLE 5 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 inpu
57. er Power Supply 0 None 1 24VDC Regulator Isolated Total quantity of SPST Relays and SSR Drivers must be less than or equal to 8 eight This option comes with a structural foam cover T Equivalent Spray Resistant Enclosure Appendix D Product 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 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 VDC 0 25 of scaled span plus 1 Whole Digit 25 degrees C 0 01 of span per degree C deviation from 25 degrees C 1 scan second One two or three decimal places 0 1 or 1 degrees for RTD Normal mode 85dB minimum at 60 Hz greater Common mode 90dB minimum 115 VAC maximum 115 230VAC 10 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 90 RH noncondensing 13 19H x 15 13 W x 3 63 Deep 20 pounds maximum Displays SnSr for sensor or transmitter break Outputs go off PV Out to 100 Fault detection is not functional for 0 5V or 0 20mA inputs UL Spec 1
58. erify that the number displayed during the power up sequence 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 72X0 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 72X0 should be displayed Wait about 5 seconds and release the keys The display should stay 0 72 Use the 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 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 Tune mode parameters will need to be re entered pages 28 thru 35 or Software Ref Sheet page 72 if already filled out Relay SSR Driver Malfunction Verify that the Program and Tune mode parame
59. error message and the required action Front Panel Operation 3 5 3 5 1 DIGITAL DISPLAY AND STATUS LED S 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 The display includes the following Status Indicator LED s MAN Amber Lights when the Manual StbY mode is on OUT1 Red Lights when Output 1 is on or mADC output selected OUT 2 Amber Lights when Output 2 is on or mADC output selected ALRM Red Lights when either Alarm is on C Red Lights to indicate that the process value is in degrees C Celsius F Red Lights to indicate that the process value is in degrees F Fahrenheit U Red Lights to indicate that the process value is in terms of Engineering units SP Green Indicates that the value displayed is the setpoint Red Lights to indicate a negative displayed value Refer to Figure 1 2 page 7 for the display features illustration 3 5 2 KEYPAD CONTROLS The keys on the keypad functions include SCROLL Used to UP Used to DOWN Used to AUTO MAN Used to The upper key is for Pen 1 the lower key is for Pen 2 if provided 1 2 3 omi Bo mc Display the enabled modes While
60. est Company 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 representa tive shall pay for the return of the products to the buyer Approved returns should be sent to THE PARTLOW WEST COMPANY 2 CAMPION ROAD NEW HARTFORD NY 13413 USA 73 THE PARTLOW WEST COMPANY 2 CAMPION ROAD NEW HARTFORD NY 13413 USA 1 800 866 6659 315 797 2222 FAX 315 797 0403
61. ey 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 parameters and values will appear in the upper display For illustration purposes all available Program mode parameters have been listed The parameters that will appear on the specific instrument will depend upon the model number hardware configuration of the instrument and on the parameter selections previously made For future reference record the parameter selections for the application in the Your Setting column and on the Software Reference Sheet in Appendix E Page 72 Use the Software Reference Sheet to program the instrument To prevent unauthorized changes to the Program mode the mode can be disabled turned off in the Enable mode DISPLAY AVAILABLE FACTORY YOUR STEP DESCRIPTION CODES SETTINGS SETTING SETTING 1 Input Selec
62. f 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 5 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 condition 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 qualified personnel using the proper equipment 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 th
63. g from automatic to manual control only Cycle Time This Tune mode parameter is used to select the on off cycle time for time proportioning outputs Ct1 for Output 1 and or Ct2 for Output 2 When usng the Position Proportioning option Ct1 must be selected for the stroke time of the motor 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 Engineering Units Upper and Engineering Units Lower These Program mode parameters are used with volt millivolt and milliamp inputs The Engineering Units Upper Euu should be selected as the value to be displayed when the input is at maximum The Engineering Units Lower EuL should be selected as the value to be displayed when the input is at minimum First Output Position This parameter is adjustable from 1000 to 1000 units and represents a shift or offset of the on off actuation points or proportional band for the first output relative to the normal position For example a negative value could be used to offset an expected overshoot First Output Position also shifts the proportional band with respect to the process value range outside of which integral action is inhibited Factory default is 0 Display code FoP Hysteresis This parameter is adjustable from 0 to 300 units
64. ill 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 01 a two pen instrument will advance the display to be PEns 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 displayed in the Pen 1 window UNIT PARAMETERS 34 Relay A Assignment rLyA 0108 0 1 Assigned to Alarm 1 1 2 Assigned to Alarm 2 Pen 1 3 Assigned to Alarm 1 Pen 2 4 Assigned to Alarm 2 Pen 2 5 Assigned to Output 1 Pen 1 6 Assigned to Output 2 Pen 1 7 Assigned to Output 1 Pen 2 8 Assigned to Output 2 Pen 2 35 Relay B Assignment rLyb Same selection as rLyA 0 36 Relay C Assignment Same selection as rLyA 0 37 Relay D Assignment rLyd Same selection as rLyA 0 38 Relay E Assignment rLyE Same selection as rLyA 0 39 Relay F Assignment rLyF Same selection as rLyA 0 40 Relay G Assignment rLyg Same selection as rLyA 0 41 Relay H Assignment rLyH Same selection as rLyA 0 42 Current Output A CurA 0106 0 Assignment 0 Not Assigned 1 Assigned to Process Value Output Pen 1 2 Assigned to Process Value Output Pen 2 3 Assigned to Output 1 Pen 1 4 Assigned to Output 2 Pen 1 5 Assigned to Output1 Pen 2 6 Assigned to Output 2 Pen 2 43 Current Output B Curb Same selection as CurA 0 Assignment 44 Current Output
65. inimum 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 amount of cross talk Cross talk is due to the EMF Electro Magnetic Flux 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 environments the amount of noise is so great that it has to be sup pressed at the source Many manufacturers of relays contactors etc supply surge suppres sors 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 soils con nected in parallel and as close as possible to the coil See Figure 2 2 Additional protection may be provided by adding an RC network across the MOV Contacts Arcing may occur across contacts when the contact opens and close
66. isplay shows the setpoint mode selected for that pen The display s will show Loc if the local keypad entered setpoint is being used or rSP if the remote setpoint is in use Press the SCROLL key to select the setpoint mode that will be used by the instrument Press the UP key to exit the Setpoint Select mode If a problem develops with the remote setpoint signal for either pen the upper display will show rSEr the remote setpoint error code Digital Communications The setpoint can be adjusted from a supervisory computer system Dual pen instruments are capable of having independent setpoint adjustments for each pen SETPOINT SELECT FLOW CHART SPS 4 06 41 2 3 ON OFF CONTROL control can only be implemented on controllers provided with SPST relay SSR driver output s On Off operation can be assigned to either or both output 1 and 2 for each pen The On Off control can be selected as direct or reverse acting Direct action is typically used in cooling applications The output device will turn On when the process value is greater than the setpoint Reverse action is typically a heating application The output device will turn On if the process value is below the setpoint A hysteresis adjustment is provided for On Off outputs on each pen This adjustment is in terms of degrees engineering units and defines the width of the hysteresis band about the setpoint This parameter may al
67. king 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 driver 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 5 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 1517 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
68. l mode Displays will sequenced for both Pen 1 and 2 as applicable on dual pen instruments 4 1 3 MANUAL FOR PROPORTIONAL OUTPUTS Manual adjustment of the proportional output s can be used to test the operation of the output s while tuning to establish basic process control or to provide control of the propor tional output s during the occurrence of certain error conditions Note The proportional outputs do not change automatically in response to changes in the process while in the Manual mode Be sure to pay close attention to the process to avoid damage To enter the Manual mode pres and release the AUTO MAN key for the specific pen If the Standby mode is On in the Enable mode and a control output is selected for proportional control the instrument will enter the Manual mode The Manual mode status LED will light for that pen to indicate that the Manual mode is in use Shifting from the Control to the Manual mode is bumpless The proportional output s will stay at the last value s calculated by the control algorithm Po1 will appear on the display if output 1 is a proportional output or Po2 if output 1 is not a proportional control In order to vary a proportional output value press and release the SCROLL key until the display code for the output is displayed Po1 or Po2 Press the SCROLL key again to see the percentage of output value Press the UP key to increase the output percentage value Press the DOWN key to decre
69. lay and status LEDs can be illuminated simultaneously by depressing the UP and DOWN keys at the same time Any defective LEDs will not light CHANGE CHART also see Changing Charts Section 5 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 at a point above the top graduation on the chart and the chart will stop rotating 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 PROGRAM MODE FLOW CHART Ive PP 0 uum jh Sm um c ee e c AMT D s
70. mote Setpoint capability auxiliary input of 0 5VDC or 1 5VDC and the Remote Setpoint has been properly configured in the Program mode the Setpoint Select mode will be accessible if enabled Press and release the SCROLL key until SPS appears in the display then press the DOWN key The display will show Loc if the local keypad entered setpoint is being used or rSP if the remote setpoint is in use Press the SCROLL key to select the setpoint mode that will be used by the instrument Press the UP key to exit the Setpoint Select mode 37 KEY 17 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 38 Dual Pen Instruments If the instrument is specified and provided with the Remote Setpoint capability for either or both pens and the Remote Setpoint has been properly configured in the Program mode for either or both pens the Setpoint Select mode will be accessible if enabled Press and release the SCROLL keys until SPS appears in the display then press the DOWN key The upper display will light and the lower display will blank if pen 1 is selected for a remote setpoint If only pen 2 is selected as a remote setpoint then the upper display will blank and the lower display will light If both pens are selected for remote setpoint the lower display is accessed by pressing the DOWN key while the upper d
71. n 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 041 5 procedure as described in the Calibration section page 49 Er14 Cold Junction Compensation Error Perform the CAL3 procedure as described in the Calibration section page 48 Er15 Ground Reference Tolerance Error Perform the CAL2 procedure as described in the Calibration section page 47 Er16 Program ASEt Mode Checksum Error Record all Program and Tune mode parameters Perform CAL 1 procedure as described in the Calibration section page 47 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 46 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 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 decrementi
72. ndix A 2 page 63 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 R1 TB6 Terminal 1 Relay B R2 TB6 Terminal 3 Relay C R3 TB7 Terminal 1 Relay D R4 TB 7 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 72 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 68 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 15 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
73. ng 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 Data received not valid possible corruption on the comm line Possible noise problems Check baud rates instrument addresses line connections and termination Momentary Er 73 Byte received with incorrect parity Check baud rate Possible noise problems Check instrument addresses line connections and termination 61 Appendix Board Layouts FIGURE A 1 PROCESSOR BOARD Top SWI for Rev Y and above SWI for Rev X and below JU1 ENABLE MODE UNLOCKED LOCKED ofe JU3 5 EPROM SIZE 230 115 32K 64K SWITCH 230 VAC MODEL ONLY U5 JU4 PEN 1 INPUT T C mV RTD VOLT mA n JU5 PEN 2 INPUT REVERSE OF JU4 T C mV RTD Battery VOLT mA ane zu JU4 405 7 E JU6 JU7 RTD INPUT nu gg B TB3 TB4 TB5 NON RTD m 25 62 FIGURE A 2 SPST RELAY SSR DRIVER OUTPUT BOARD If the relay is connected to a high impedance AC device the snubber network used to protect the relay 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 R1 R2 R3 R4 R5 R6 Relay Relay A
74. ntil the test is exited To exit press the SCROLL key The display will show tSt8 5 5 9 TEST 9 AUXILIARY INPUT TEST This test allows the operator to verify that the auxiliary input s if specified pen position feedback input s are functioning properly Auxiliary inputs are the remote setpoint and position proportioning options With tSt9 dis played press and hold the DOWN key then press the SCROLL key The display will show Auxiliary Input 1 By pressing the DOWN key the instrument will sequence through the selections for testing PF1 Ai2 PF2 then back to PF Pen Feedback With the desired input selected press the SCROLL key The corresponding value will be 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 5 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 DOW
75. on amp Enter Tune and Operation Alarm Settings Setpoint Selection SPS Operation Selects Remote or Local Setpoint Operation Remote Setpoint Optional Manual Stby Operation Provides for manual operation of proportional output Enable EnAb Configuration Mode security System can lock out everything except Off and Control See Appendix A 1 page 62 for hardware lockout information Associated with each mode is a series of unique displays that are accessed via the front keypad Prior to first time operation of the instrument the configuration procedures for the Program and Tune 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 5 4 amp 5 5 of this manual page 46 54 Shipped Configuration Jumper Positioning 3 2 Each instrument is factory shipped ready to accept a thermocouple input on TB 4 and TB 5 All 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 includes a switch in the instrument for selecting either 230 or115 input power If this feature is provided verify AC input and switch position before applying power to the instrument 3 2 1 J
76. out the procedure for the Current Output s Test 7 page 53 If the current output operates properly in the Test mode re check the Program mode parameters page 28 or Software Ref Sheet page 72 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 72 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 section of the manual page 54 If the pen s operate in Test 8 perform the pen calibration Cal 9 as described in the Calibration section of the manual page 50 Return the instrument to the oPEr and check the operation of the pen s Continued on next page 57 58 For software revision R2 99 and below perform Test 9 as described in the Test Section of the manual page 54 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 62 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 a non
77. pendix E Software Reference Record Sheet 72 PROGRAM MODE TUNE MODE Pen 1 Pen 2 i Pen2 inPS rLyA SoP iCor rLyb PAL1 out1 rLyC dAL1 oluL rLyd bAL1 o1LL rLyE PAL2 out2 rLyF dAL2 o2uL rLyg bAL2 o2LL rLyh Pb1 AL1 CurA Pb2 AL2 Curb rSEt dSP CuC j dPoS Curd rAtE Euu CoAr Ct1 EuL Cobr Ct2 HyCo CoCr SEnS HyAo Codr FoP rSP Crt rSPu PAPu rSPL Coo SPuL CCon SPLL CbS AtFr CAd1 Prnd CAd2 PFF EtSt Pout ECAL Pou EPro PoL Etun Cru ESby ESPS P1EC 660 2 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 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 Company factory and to conform at that time to the specifications set forth in the relevant Partlow West instruction manual or manuals sheet or sheets for such
78. 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 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 consequential 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 Partlow West Company 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 product 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 The Partlow W
79. r 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 Control 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 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 5 position and chart rotation will be restored Changing Pens 5 3 Open the instrument door Refer to Figure 5 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 5 1 Changing Pens To install pen slide pen into holder 1 and push down 2 as shown by arrows end 1 and push out Red 2 45 2 n a For five replacem
80. r Error Er10 ADC Reference Voltage Error Er11 Cold Junction Compensation Error Perform the CAL2 as described in the Calibration section page 47 Perform the CAL2 procedure as described in the Calibration section page 47 Perform the CAL3 procedure as described in the Calibration section page 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 47 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 62 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 47 Er13 RTD 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 49 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 62 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 i
81. representing the width of the band half above and half below setpoint Used with ON OFF or Alarm outputs to reduce cycling For instance with a value of 4 and a setpoint 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 Factory default 3 Display code HyAo for Alarm outputs Display code HyCo for ON OFF Control outputs 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 iCi1 iCi2 Manual Reset This parameter is adjustable from 1500 to 1500 units representing a manual shift of propor tional band s relative to the normal position which is an even strattle of the setpoint Manual reset is intended to be used when automatic reset is not used to allow compensation for deviations from setpoint which remain after the process has stabilized Factory default is 0 Increasing the value increases the process variable i e if the process variable stabilizes too low increase the manual set Integral action and conversely reset windup inhibit apply over the same process value range regardless of the manual reset value Display code rSEt Pen Action on Power Up This parameter specifies whether the pen on a power up will drive to the Home Position center of chart then return to its correct postion This is done as a cal check Settings are
82. resis 0 to 300 units CONTROL OUTPUTS Relay SPST 115 VAC 5 0A Resistive 1 8HP or 250VA 230 VAC 2 5A Resistive 1 8HP or 250VA SSR Driver Open collector output mADC Current Short circuit protected 100 maximum Provides 4VDC at 20mA or 3VDC at 40mA 4 20 or 0 20 mADC into 650 ohms maximum load DISPLAY Digital Display Status Indicators Two possible one per installed pen Red LED s 0 56 high LED indicators for Output 1 Output 2 Manual Operation Alarm Setpoint minus sign and process value units C F or E RECORD Chart Chart Range Chart Drive Chart Rotation Pen Type Pen Color Pen Response Time Accuracy Chart Rotation Accuracy 10 in circular chart 100 charts furnished with each instrument if standard range 9999 to 9999 units DC stepper motor User configurable from 0 1 to 999 9 hours per revolution Disposable Fiber tip Pen 1 Red Pen 2 Green 9 seconds over chart span 11 096 of chart span max error from displayed value t 0 596 of Chart Rotation Time DIGITAL COMMUNICATIONS Type Character Format Protocol Configuration Bit Rate Address RS 422 485 serial communications port Half duplex bi directional communications 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 71 Ap
83. s 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 capacitor 1000 volts is recommended For circuits from 3 to 5 amps connect 2 of these in parallel See Figure 2 3 FIGURE 2 2 0 5 mfd 1 V 00 Coil 220 ohms 115V 1 4W 230V 1W FIGURE 2 3 Inductive Load 11 12 2 5 2 SENSOR PLACEMENT THERM OCOUPLE OR RTD 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 mose agitated area In air the best circulated area THERMOCOUPLE LEAD RESISTANCE Thermocouple 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 following equation Terr TLe L where TLe value from appropriate Table 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
84. s oFF then pressing the DOWN key The display will read oFF and then current process variable at two second intervals Entering the Off mode of a dual pen instrument will cause both pens to enter the Off mode The second pen display will be blank as the upper display reads oFF and displays the process value for the second pen at the same time as the upper display 4 1 2 CONTROL MODE In the Control mode the instrument control function s and alarm s are actively responding to the process variable as selected in the Program and Tune modes and the chart will be rotating at the rate selected The Control mode allows setpoint changes form either local setpoint standard adjustment by an operator at the front keypad or from remote setpoint source optional Other operations in the Control mode include a lamp test and proportional output display 4 1 2 1 LOCAL SETPOINT OPERATION Single Pen Instruments The instrument must be in the Control mode to allow setpoint value to be displayed and adjusted In the Control mode to view the setpoint press and release the UP and DOWN key The green LED under the SP label will light to indicate that 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 If the setpoint will not in
85. sful completion of Test 3 1511 will be displayed 5 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 Error 16 and 17 have occurred respec tively Test 4 can be executed again or another test may be selected 5 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 equipment is required 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 AUTO MAN Pen 1 Autu AUTO MAN Pen 2 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 5 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 wor
86. so be referred to as a deadband Relay chatter can be eliminated by proper adjustment of this parameter When operating in On Off control the control algorithm will turn the output On or Off depending upon the setpoint the relative position of the process value and the hysteresis adjustment The respective OUT1 or OUT2 indicator for the respective pen will illuminate to indicate that the output device is On 4 1 2 4 TIME PROPORTIONING CONTROL Time Proportioning Control can be implemented on controllers provided with SPST relay or SSR driver output s Time proportioning can be programed for output 1 and or 2 for each pen Time proportioning control is accomplished by cycling the output On and Off when the process value is within the proportional bandwidth selected at a prescribed time period The time period is selected in the Tune mode by adjusting Ct1 and or Ct2 The On time is a percentage of the Cycle Time Example Calculated output 4096 Cycle Time adjustment 20 seconds Output On Time 4 x 20 8 seconds Output Off Time 6 x 20 12 seconds 4 1 2 5 CURRENT PROPORTIONING CONTROL Current Proportioning control provides a proportional current output in response to process value and setpoint The current output can be selected for direct or reverse operation Direct current output control is typically used for cooling applications The current output will increase as the process value increases within the proportional bandwidth select
87. t 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 degrees F 8 S T C degrees C 9 S T C degrees F 10 T C degrees C 11 T C degrees F 12 B 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 NOTE M 30 0 to 5 VDC Fault Detection is not functional 31 1 to 5 VDC for 0 5V or 0 20mA inputs 32 0 to 50 mVDC 33 10 to 50 60 34 0 to 2 Input Correction iCor 300 to 300 degrees units 0 3 Output 1 outi 0 None 0 1 On Off Direct 2 On Off Reverse 3 Time Proportioning Direct 4 Time Proportioning Reverse 5 Current Proportioning Direct 6 Current Proportioning Reverse 7 Position Proportioning open STEP 10 11 12 13 15 DISPLAY AVAILABLE FACTORY YOUR DESCRIPTION CODES SETTINGS SETTING SETTING Output 1 Percent oluL 0 to 100 percent 100 Upper Limit o1uLand o1LL will not be seen if out1 0 1 2 Output 1 Percent o1LL 0 to 100 percent 0 Lower Limit Output 2 out2 0 None Position 0 Proportioning Direct Closed 1 On Off Direct 2 On Off Reverse 3 Time Proportioning Direct 4 Time Proportioning Reverse 5 Current Proportioning Direct 6 Current Proportioning Reverse 7 Position Proportioning Reverse Closed Output 2 Percent o2uL 0 to 100 percent 100 Upper Limit o2uL and o2LL will not been seen if out
88. ters are correctly set pages 28 thru 35 or Software Ref Sheet page 72 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 68 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 14 for the presence of the output device 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 53 If the output s function in the Test mode re examine the Program and Tune mode parameters settings pages 28 thru 35 or Software Ref Sheet page 72 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 Appe
89. 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 5 5 1 TEST 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 5 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 5 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 succes
90. the system in a sustained oscillation curve C page 44 the ultimate proportional band and ultimate time period and then using these values from this sustained oscillation to calculate ideal parameters To aid in determining the process oscillation the instrument configuration parameters can be adjusted By reducing the chart upper value Cru and increasing the chart lower value CrL the resolution of the oscillation can e better observed Also the chart rotation time Crt can be reduced to improve the observation of the oscillation cycle time Determining Ultimate Proportional Band and Ultimate Time Period 1 Set Manual Reset rSet to 0 0 set ArSt to 0 0 and set rAtE to 0 0 2 Enter the Control mode of operation observe the process reaction 3 Set the Proportional Band PB at 100 and upset the process and observe the response One easy method for imposing the upset is to move the setpoint for a few seconds and then return it to its original value 4 Achieve a response curve similar to the sustained oscillation curve C this is the Ultimate Proportional Band UPB and Ultimate Time Period UTP a If the response curve from step 3 does not damp out as in curve A from the drawing the PB is too low The PB should be increased and step 3 repeated b If the response in step 3 damps out the PB is too high The PB should be decreased and step 3 repeated These values obtained for Ultimate Proportional Band UPB and Ultimate Time Period
91. tput functions for Pen 1 and or Pen 2 if present Current outputs may be assigned to control and process value retransmission output for Pen 1 and or Pen 2 if present The assignment of the output function s are is accomplished in the Program mode 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 are designated as Relay A and Relay B only FIGURE 2 11A 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 5 AMPERES 2 3l4 MAXIMUM C 115 TB6 Relay A B Relay A Terminals 1 8 2 TB7 Relay C amp D Relay C Terminals 1 amp 2 TB8 Relay E amp F Relay D Terminals 1 amp 2 17 18 FIGURE 2 11B SPDT Relay Output HOT 5 AMPERES MAXIMUM AT 115 VAG TB6 Relay TB7 Relay B FIGURE 2 12 SSR Driver Output Connections are made to relays H through as shown Terminal connections are made using TB9 TB8 etc depending on the number of SSR Driver outputs specified TB6 THRU 9 FIGURE 2 1
92. ts 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 5 4 1 CAL 1 PARAMETER RE INITIALIZATION This routine is used to clear all information in the Program and Tune modes All parameters will be reset to default values Before performing this procedure make sure that the Program and Tune values are written down so that they can be re entered after Calibra tion 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 5 4 2 CAL2 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 JU
93. ument 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 9 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 the instrument to the surface FIGURE 2 1 7 8 Dia hole for wiring 3 locations A C1 EC2 and EC3 E q EC1 EC3 6 3 13 6 335 e LJ Eco Places Y LC 21 gt 64 mm 139 5 154 384 2 mm 11 WIDTH OF COVER d i 119 1 mm V 238 659 mm Ty Mounting Bracket 2 9 32 1 mm 9 Holes to mount 5 o bracket to surface 12 8 7 1 2 320 7 mm b 190 5 Screw that mounts to case i 13 2 842 5 mm 1 7945 5 5 mm Note Surface Mount 13 15 354 Dimensions Top edge of case Panel cut out for flush mounting i 7 3 4 196 gmm 2 5 63 5mm 4 T

Partlow MRC7000 circular chart recorder with control manual

Contents

Download Pdf Manuals

Related Search

Related Contents