red lion PXU10020 Instructions Manual Download Page 34

Page: 34 / 47

-34-

Drawing No. LP0932

Released 2018-01-12

For further technical assistance, contact technical support.

Troubleshooting

PROBLEM

CAUSE

REMEDIES

NO DISPLAY

1. Power off.

2. Brown-out condition.

3. Loose connection or improperly wired.

4. Controller not fully seated into case.

1. Check power.

2. Verify power reading.

3. Check connections.

4. Check installation.

CONTROLLER NOT

WORKING

1. Incorrect setup parameters.

2. Stop Mode.

1. Check setup parameters.

2. Change

r-

to Run mode.

. . .

-. . .

IN DISPLAY

1. Display value exceeds 4 digit display range.

2. Defective or miscalibrated cold junction circuit.

3. Loss of setup parameters.

4. Internal malfunction.

1. Check input parameters (Input Type).

2. Change display resolution/scaling.

3. Consult Factory

OPN

IN DISPLAY

1. Probe disconnected.

2. Broken or burned-out probe.

3. Corroded or broken terminations.

4. Excessive process temperature.

1. Check probe wire/change probe.

2. Check sensor input type selection.

3. Consult Factory

OLOL

IN TOP DISPLAY

1. Input exceeds range of controller.

2. Temperature exceeds range of input probe.

3. Defective or incorrect transmitter or probe.

4. Excessive high temperature for probe.

5. Loss of setup parameters.

1. Check input parameters.

2. Change to input sensor with a higher temperature range.

3. Replace transmitter or probe.

4. Reduce temperature.

5. Consult Factory

LL

IN TOP DISPLAY

1. Input is below range of controller.

2. Temperature below range of input probe.

3. Defective or incorrect transmitter or probe.

4. Excessive low temperature for probe.

5. Loss of setup parameters.

1. Check input parameters.

2. Change to input sensor with a lower temperature range.

3. Replace transmitter or probe.

4. Raise temperature.

5. Consult Factory

r

IN DISPLAY

1. RTD probe shorted.

1. Check wiring and/or replace RTD probe.

CONTROLLER SLUGGISH OR

NOT STABLE

1. Incorrect PID values.

2. Incorrect probe location.

1. See PID control.

2. Evaluate probe location.

CANNOT ACCESS

PROGRAMMING

1. Active User Input, programmed for

PLOC.

2. Incorrect access code entered.

1. Deactivate User Input.

2. Enter proper access code at

Cod 0

prompt. (

111

-111

universal access code)

Calibration for the application can be accomplished using the input offset capability. For unit calibration contact the factory.

Summary of Contents for PXU10020

Page 1: ...PXU Series Temperature Process Controllers For Firmware Version 1 5 or Above Hardware Guide Jan 2018 LP0932 Revision E ...

Page 2: ...le York PA 17406 CONTACT INFORMATION AMERICAS Inside US 1 877 432 9908 Outside US 1 717 767 6511 Hours 8 am 6 pm Eastern Standard Time UTC GMT 5 hours ASIA PACIFIC Shanghai P R China 86 21 6113 3688 x767 Hours 9 am 6 pm China Standard Time UTC GMT 8 hours EUROPE Netherlands 31 33 4723 225 France 33 0 1 84 88 75 25 Germany 49 0 1 89 5795 9421 UK 44 0 20 3868 0909 Hours 9 am 5 pm Central European Ti...

Page 3: ...gramming Configuration Loop 18 7 1 MODULE 1 Input Parameters 1 IN 18 7 2 MODULE 2 Output Parameters 2 OP 21 7 3 MODULE 3 Lockout Parameters 3 LC 24 7 4 MODULE 4 Alarm Parameters 4 AL Optional 25 7 5 MODULE 5 Control Parameters 5 CP 29 7 6 MODULE 6 Profile Module Parameters 6 Pr 30 7 7 MODULE 7 Serial Communications Parameters C 31 Serial Communications 32 7 8 MODULE 9 Factory Service Operations 9 ...

Page 4: ...ts is strongly recommended CAUTION Risk of Danger Read complete instructions prior to installation and operation of the unit CAUTION Risk of electric shock C US LISTED UL R 13RW PROCESS CONTROL EQUIPMENT CAUTION Risk of electric shock When the power is on DO NOT touch the AC terminals an electric shock may occur Make sure the power is disconnected when you check the input power supply 1 Prevent du...

Page 5: ... Logic SSR Relay 1 Yes Yes PXU21B30 PXU21BC0 Logic SSR Relay 1 Yes Yes PXU21C30 PXU21CC0 Logic SSR Relay 1 Yes Yes PXU21D30 PXU21DC0 4 20 mA PXU30030 4 20 mA Relay 2 Yes PXU31A30 PXU31AC0 4 20 mA Relay 1 Yes Yes PXU31B30 PXU31BC0 4 20 mA Relay 1 Yes Yes PXU31C30 PXU31CC0 4 20 mA Relay 1 Yes Yes PXU31D30 PXU31DC0 0 10 VDC PXU40030 PXU400C0 0 10 VDC Relay 1 Yes Yes PXU41B30 PXU41BC0 0 10 VDC Relay 1...

Page 6: ...ently for absolute high or low acting with balanced or unbalanced hysteresis They can also be configured for deviation and band alarm In these modes the alarm trigger values track the setpoint value Adjustable alarm hysteresis can be used for delaying output response The alarms can be programmed for Automatic or Latching operation A selectable standby feature suppresses the alarm during power up u...

Page 7: ...0 19 18 17 16 15 14 13 12 10 9 8 6 7 5 4 3 1 2 11 23 36 35 34 33 32 31 30 29 28 27 26 25 DIMENSIONS In inches mm 1 4 DIN 13 14 16 15 18 17 19 20 21 22 23 24 1 2 3 4 5 6 7 11 10 9 8 12 3 77 95 8 11 4 0 45 2 82 71 5 44 5 1 76 91 5 3 60 3 60 91 5 48 0 1 89 F1 F2 D P DIMENSIONS In inches mm 1 8 DIN PANEL CUT OUT PANEL CUT OUT ...

Page 8: ... Indication Accuracy 0 3 of span 1 C at 25 C ambient after 20 minute warm up Includes NIST conformity cold junction effect A D conversion errors and linearization conformity THERMOCOUPLE INPUTS Types T E J K R S B N L U and TXK Input Impedance Approximately 4 7 MΩ Lead Resistance Effect 0 3 µV Ω Cold Junction Compensation Less than 1 5 C typical 2 5 C max error over 0 to 50 C temperature range Res...

Page 9: ...lute Low Acting Balanced or Unbalanced Hysteresis Deviation High Acting Deviation Low Acting Inside Band Acting Outside Band Acting Profile Error Band Timeout Heater Current Alarm Profile in Hold Mode Profile is ramping up Profile is ramping down Profile is running Profile is Paused Profile is stopped Profile has ended Reset Action Programmable automatic or latched Standby Mode Programmable yes or...

Page 10: ... breakdown voltage of the transistor when the load is switched One of the most effective ways is to place a diode across the inductive load Most Red Lion products with solid state outputs have internal zener diode protection However external diode protection at the load is always a good design practice to limit EMI Although the use of a snubber or varistor could be used Red Lion part numbers Snubb...

Page 11: ...ot and then insert the screw and thread through the nut as shown See drawing 3 Slide the panel gasket over the rear of the controller seating it against the lip at the front of the case 4 Insert the controller into the panel cutout While holding the controller in place install the panel latches and then slide them to the farthest forward slot possible 5 To achieve a proper seal tighten the panel l...

Page 12: ... 2 AL 3 1 16 DIN 1 8 or 1 4 DIN CONTROLLER POWER CONNECTIONS For best results the power should be relatively clean and within the specified limits Drawing power from heavily loaded circuits or from circuits that also power loads that cycle on and off should be avoided It is recommended that power supplied to the controller be protected by a fuse or circuit breaker 2 1 L N AC 100 240V 50 60 Hz 5VA ...

Page 13: ...EMPERATURE INPUT IS SELECTED F or C DISPLAYS TEMPERATURE PROCESS VALUE DISPLAYS PARAMETER NAME IN CONFIGURATION LOOP PROGRAMMABLE SECONDARY DISPLAY INDICATES DISPLAY PARAMETER AND HIDDEN LOOP SELECTIONS ILLUMINATES WHEN MAIN CONTROL OUTPUT IS ACTIVE ILLUMINATES WHEN CORRESPONDING ALARM OUTPUT IS ACTIVE ILLUMINATES WHEN CONTROLLER IS IN AUTO TUNE MODE ILLUMINATES WHEN CONTROLLER IS IN MANUAL MODE I...

Page 14: ...ent 0 9 A F 0 OPOF Output Power Offset 0 0 to 100 0 50 0 ProP Proportional Band 0 to 9999 display units 70 Intt Integral Time 0 to 9999 seconds 120 dErt Derivative Time 0 to 9999 seconds per repeat 30 dInt Integration Default Default Integration Value 0 0 to 100 0 0 0 AL 1 Alarm 1 Value Input Range Dependent 100 AL 2 Alarm 2 Value Input Range Dependent 200 AL 3 Alarm 3 Value Input Range Dependent ...

Page 15: ...er Loop include SP Ct1 OP1 OP2 SPrP PId r S PSt r ti ProF PSEg OPOF ProP Intt dERt dInt AL 1 AL 2 AL 3 ALrS SPSL SP1 SP2 HIDDEN LOOP Press and Hold the key for 3 seconds to enter the Hidden Loop If a lockout code 1 thru 125 has been configured in Module 3 COdE the correct access code will need to be entered prior to gaining access to the Hidden Loop If a User Input is configured for PLOC program d...

Page 16: ...le mode StPt ProF Selecting PEnd will end the profile and the controller will control the active segment s setpoint Selecting PAUS will pause the profile setpoint and timer at their current values If the profile setpoint is ramping and the profile is paused the unit will control to the current ramping setpoint value Pausing a profile will extend the overall profile run time Once paused select run ...

Page 17: ...e to the characteristics of the process This parameter allows front panel starting or stopping of Auto Tune For more information see PID Tuning Explanations SETPOINT SELECT or 2 The Setpoint Select parameter is available only when operating in Setpoint Control mode StPt SP The SPSL function allows the operator to select setpoint 1 or setpoint 2 as the active setpoint value ALARM RESET This paramet...

Page 18: ...ears the current parameter change will be aborted and the controller returns to the Display Loop 7 1 MODULE 1 Input Parameters 1 IN INPUT TYPE TEMP SCALE DECIMAL RESOLUTION DIGITAL FILTERING BAND FILTER VALUE 1 DISPLAY SHIFT OFFSET VALUE 2 DISPLAY SETPOINT LOW LIMIT SETPOINT HIGH LIMIT REMOTE INPUT TYPE P P INPUT 1 USER USER INPUT 2 FUNCTION F1 KEY F2 KEY FUNCTION COLD JUNCTION REMOTE SETPOINT RAT...

Page 19: ... Digital Filtering selection If the signal is varying greatly due to measurement noise increase the filter value Decrease the filter value for quicker controller response Last displayed PV n measured value n 1 DISPLAY VALUE SCALING POINT 1 to Enter the first coordinate zero scale Display Value associated with the lower range 0V mA 4mA of the input signal by using the arrow keys Process Input Type ...

Page 20: ... momentary action The alarms remain reset until the alarm condition is cleared and triggered again A1rs Reset Alarm 1 This function resets alarm 1 when activated momentary action The alarm remains reset until the alarm condition is cleared and triggered again A2rS Reset Alarm 2 This function resets alarm 2 when activated momentary action The alarm remains reset until the alarm condition is cleared...

Page 21: ...be used to limit controller power at the upper end due to process disturbances or setpoint changes Enter the safe output 1 power limit for the process When the controller is in USEr or OnOF Control Mode this limit does not apply INPUT FAIL OP1 POWER LEVEL This parameter sets the power level in the event of an input failure open TC RTD or shorted RTD Manual USEr Control overrides the input fail pre...

Page 22: ...ysteresis balanced around the setpoint eliminates output chatter The control hysteresis value affects both OP1 and OP2 control The hysteresis band has no effect on PID Control On Off Control Hysteresis is illustrated in the Control Mode explanations 0 2L 0 2H 0 IF02 2 0 Shaded parameters are programming model dependent OP2 CYCLE TIME 0 to 0 seconds The Cycle Time is entered in seconds with one ten...

Page 23: ...1 100 SETPOINT DEADBAND NEGATIVE VALUE COOL RELATIVE GAIN 5 5 1 2 RELATIVE GAIN OP2 100 TEMPERATURE HEAT OUTPUT POWER TEMPERATURE HEAT SETPOINT 100 OP2 100 OP1 DEADBAND POSITIVE VALUE RELATIVE GAIN 2 1 5 RELATIVE GAIN 5 COOL OUTPUT POWER HEAT COOL RELATIVE GAIN FIGURES Deadband Overlap 0 Deadband Overlap 0 Deadband Overlap 0 ...

Page 24: ...PrP dISP PArA HIdE LOC dSPr PArA PId dISP PArA HIdE LOC dSPr PArA r S dISP PArA HIdE LOC dSPr dISP PSt dISP PArA HIdE LOC dSPr PArA r ti dISP PArA HIdE LOC dSPr PArA ProF PArA HIdE LOC PArA PSEg PArA HIdE LOC LOC Pind dISP LOC dISP OPOF PArA HIdE LOC PArA ProP PArA HIdE LOC PArA Intt PArA HIdE LOC PArA dERt PArA HIdE LOC PArA dInt PArA HIdE LOC LOC AL 1 PArA HIdE LOC PArA AL 2 PArA HIdE LOC PArA A...

Page 25: ...ON OFF OFF ON ON Band Inside Acting OFF ON AL Hys AL AL Hys OFF Absolute Low Acting Balanced Hys TRIGGER POINTS Hys ALARM STATE ALARM STATE OFF ON Hys SP AL SP OFF TRIGGER POINTS Deviation Low Acting AL 0 ALARM STATE OFF ON Hys AL AL Hys OFF TRIGGER POINTS Absolute High Acting Unbalanced Hys ALARM STATE OFF ON Hys AL Hys AL OFF TRIGGER POINTS Absolute Low Acting Unbalanced Hys ALARM STATE ON OFF H...

Page 26: ...End PErt Ct1 HoLd rPuP rPdn run PAUS StoP End AVAILABLE ALARM ACTIONS None No action the remaining Alarm parameters are not available Absolute High balanced hysteresis The alarm energizes when the Process Value exceeds the alarm value 1 2 the hysteresis value Absolute Low balanced hysteresis The alarm energizes when the Process Value falls below the alarm value 1 2 the hysteresis value Absolute Hi...

Page 27: ...ction Figures at the beginning of this section for a visual explanation NONE 3 Lit3 Alarm 3 parameters in this module are programming dependent They are available only when Output 2 control action is programmed as alarm On OFF Select the Alarm action in the event of a detected input failure open TC RTD or shorted RTD Shaded parameters are programming model dependent MINIMUM CURRENT ALARM 2 O 0 AL2...

Page 28: ...alarm s to change Input Display color intensity when appropriate alarm s are triggered AL 3 AL 2 AL 1 ANY OFF OFF Colr 1 INPUT FAIL ALARM 3 ACTION OFF IFA3 On OFF Select the Alarm action in the event of a detected input failure open TC RTD or shorted RTD ALARM 3 VALUE The alarm values are entered as process units or degrees They may also be entered in the Parameter or Hidden Loops When the alarm i...

Page 29: ...e that provides the best response to a process disturbance while minimizing overshoot A Proportional Band of 0 forces the controller into On Off Control with its characteristic cycling at setpoint The optimal value may be established by invoking Auto tune PID GROUP X INTEGRAL TIME 0 to 9999 seconds Integral action shifts the center point position of the proportional band to eliminate error in the ...

Page 30: ... when the profile is manually stopped the profile is manually advanced to the next segment the profile is put into run state after being paused or when a profile is started A value of 0 disables Error Band Timeout Flag operation See Error Band Delay Mode Timeout in the Profile Overview section START UP RAMP RATE 0 1 to 100 0 display units minute The Start up Ramp Rate is used to reduce sudden shoc...

Page 31: ...the serial communications equipment is capable of transmitting Select either 7 or 8 bit data word lengths Set the word length to match that of other serial communication equipment If rtU is selected as the communication type dAtA defaults to 8 Set the parity bit to match that of the other serial communications equipment used UNIT ADDRESS 1 to 247 Select a Unit Address that does not match an addres...

Page 32: ...xample register 2 is the decimal value 123 Query 01 03 00 01 00 01 D5 CA Response 01 03 02 00 7B F8 67 Notes 1 The PXU registers can be read as holding 4x or input 3x registers 2 The PXU should not be powered down while parameters are being changed Doing so may result in an incomplete write to the non volatile memory and produce checksum errors REGISTER 4x REGISTER NAME LOW LIMIT HIGH LIMIT FACTOR...

Page 33: ...isplay Press The controller will display and then return to Press to return to the Display Loop REGISTER 4x REGISTER NAME LOW LIMIT HIGH LIMIT FACTORY SETTING ACCESS COMMENTS 25 Integral Action Disable 0 1 0 Read Write 0 Enabled 1 Disabled 26 Current Profile Segment 0 15 0 Read Only 27 Profile Segment Remaining Time 0 15 0 Read Write 1 0 1 Minute 28 Starting Profile Number 0 15 0 Read Write 29 Sta...

Page 34: ...erature exceeds range of input probe 3 Defective or incorrect transmitter or probe 4 Excessive high temperature for probe 5 Loss of setup parameters 1 Check input parameters 2 Change to input sensor with a higher temperature range 3 Replace transmitter or probe 4 Reduce temperature 5 Consult Factory IN TOP DISPLAY 1 Input is below range of controller 2 Temperature below range of input probe 3 Defe...

Page 35: ...SP SP 1 2 db 2 1 2 CHYS SP 1 2 db 2 1 2 CHYS SP 1 2 db 2 1 2 CHYS SP 1 2 db 2 1 2 CHYS DEADBAND OVERLAP db 2 0 db 2 CHYS CHYS ON OFF OFF ON Output r Output d db 2 Output r Output d SP 1 2 db 2 1 2 CHYS SP 1 2 db 2 1 2 CHYS OFF SP ON OFF OFF ON CHYS OFF DEADBAND OVERLAP db 2 0 SP 1 2 db 2 1 2 CHYS SP 1 2 db 2 1 2 CHYS CHYS ON ON INPUT INPUT SP 1 2 db 2 SP 1 2 db 2 SP 1 2 db 2 SP 1 2 db 2 ON OFF CON...

Page 36: ...t setpoint and use its PID constants AUTOMATIC CONTROL MODE In Automatic Control Mode the percentage of output power is automatically determined by PID or On Off calculations based on the setpoint and process feedback For this reason PID Control and On Off Control always imply Automatic Control Mode MANUAL CONTROL MODE In USEr Control Mode the controller operates as an open loop system and does no...

Page 37: ... when applicable 4 Place the controller in Manual Control Mode and adjust the Power to drive the process value to the Setpoint value Allow the process to stabilize after setting the Power Note must be set to in Parameter Lockouts Module 5 Place the controller in Automatic Control Mode Place the value of power into the Output Power Offset OPOF If the process will not stabilize and starts to oscilla...

Page 38: ...t profile progress has stopped The profile End Stop Mode is achieved by manually terminating a profile in progress or by allowing a profile to run to completion The profile can be configured to end and maintain the profile s last segment setpoint value or end and disable PID control If the profile end mode is manually terminated and the end action is to maintain the last setpoint value the control...

Page 39: ...r input or function key activation When running to completion the profile can configured to end and control to the last setpoint Profile Link parameter or it can configured to end and disable PID control Profile Link parameter End Stop Operation from the Controller Status Display 1 Verify the Controller Status line 2 parameter is enabled for the desired display loop in Display Locks programming se...

Page 40: ...ISP Ct1 Current Transformer dISP OP1 Output 1 Power PArA OP2 Output 2 Power PArA SPrP Setpoint Ramp Rate PArA PId PID Group PArA r S Controller Status dISP PSt Profile Status PArA r ti Profile Segment Time Remaining PArA ProF Setpoint Profile PArA PSEg Starting Profile Segment LOC DISPLAY PARAMETER FACTORY SETTING USER SETTING PInd Profile Indicator dISP OPOF Output Power Offset PArA ProP Proporti...

Page 41: ...log High Scaling Output 1 Low Limit Power Output 1 High Limit OP2 Cycle Time Output 2 Power Low Limit Analog Output Assignment Output 2 Relative Gain On Off Control Hysteresis Deadband Output 2 Analog Update Time Analog Low Scaling Analog High Scaling Input Fail OP2 Power Level Power High Limit Output 2 Remote Setpoint Ratio Multiplier Remote Setpoint Bias Output 1 Power Current Transformer Output...

Page 42: ... be responsible for determining that a Product is suitable for Customer s use and that such use complies with any applicable local state or federal law b The Company shall not be liable for a breach of the warranty set forth in paragraph a if i the defect is a result of Customer s failure to store install commission or maintain the Product according to specifications ii Customer alters or repairs ...

Page 43: ...e 0 9999 120 Read Write 1 1 second 13 Derivative time Active 0 9999 30 Read Write 1 1 second 14 Integration default Active 0 1000 0 Read Write 1 0 1 output power 15 PID parameter set selection 0 6 0 Read Write 0 PID Set 1 1 PID Set 2 2 PID Set 3 3 PID Set 4 4 PID Set 5 5 PID Set 6 6 Auto 16 Auto Tune Start 0 1 0 Read Write 0 No 1 Yes 17 Control Mode Transfer Auto Manual 0 1 0 Read Write 0 Automati...

Page 44: ... range of input signal 0V 0mA or 4mA 58 Display Value Scaling Point 2 999 9999 1000 Read Write 1 1 Display unit Value associated with upper limit of input signal 50mV 5V 10V or 20mA 59 Setpoint Low Limit depending on sensor type Upper limit of temperature range 1480 Read Write 1 1 Display unit 60 Setpoint High Limit Lower limit of temperature range Depends on sensor type 21920 Read Write 1 1 Displ...

Page 45: ...te 1 1 Display unit In combination Reverse r and Direct d modes this defines the overlap area in which both OP1 and OP2 are active negative value or the deadband area positive value 97 On Off Control Hysteresis 2 250 0 or 2500 process 20 Read Write 1 1 Display unit 98 Analog Out 2 Low Scaling Value 999 9999 0 Read Write 99 Analog Out 2 High Scaling Value 999 9999 1000 Read Write LOCKOUT PARAMETERS...

Page 46: ...ay unit 136 Input Fail Alarm 1 Action 0 1 0 Read Write 0 OFF 1 On 137 Alarm 2 Action 0 17 0 Read Write 0 NONE 1 AbHI 2 AbLO 3 AUHI 4 AULO 5 d HI 6 d Lo 7 b In 8 b ot 9 PErt 10 Ct1 11 HoLd 12 rPuP 13 rPdn 14 run 15 PAUS 16 StoP 17 End 138 Alarm 2 Annunciator 0 1 0 Read Write 0 Nor 1 REv 139 Alarm 2 Reset Mode 0 1 0 Read Write 0 Auto 1 LAtc 140 Alarm 2 Standby 0 1 0 Read Write 0 NO 1 yES 141 Alarm 2...

Page 47: ...ependent Read Only 0x55 n Un n 1st output 0 0x30 No Card installed x 0x78 any output option card installed 1005 N A N A model dependent Read Only 0x b c b 2nd Output 0 0x30 No Card installed x 0x78 any output option card installed c Options 9 RS485 No User Inputs A RS485 2 User Inputs 1006 N A N A 0x2020 Read Only 0x2020 1007 N A N A Read Only 0x0200 Software database version number in BCD 0x0200 ...

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