Red Lion PCU User Manual
The process control unit
Table of contents
Document Outline
- Pcu-im-k(1).pdf
- Table of Contents
- GENERAL DESCRIPTION 1
- INSTALLATION & CONNECTIONS 3
- FRONT PANEL DESCRIPTION 11
- OPERATION OVERVIEW 12
- UNPROTECTED PARAMETER MODE 16
- PROTECTED PARAMETER MODE 18
- FRONT PANEL PROGRAM DISABLE 19
- HIDDEN FUNCTION MODE 20
- CONFIGURATION PARAMETER MODULES 21
- Input Module (1- In) 21
- Input Type (tYPE) 21
- Square Root Linearization (root) (Optional) 21
- Decimal Point Position (dCPt) 21
- Rounding Increment ( rnd) 21
- Input Signal Filter and Display Update Rate (FLtr) 22
- Scaling Points 22
- Display Values (dSP1 & dSP2) 22
- Signal Input Values (INP1 & INP2) 22
- Setpoint Limit Values (SPLO & SPHI) 23
- Setpoint Ramp Rate (SPrP) 23
- Output Module (2-OP) 24
- Time Proportioning Cycle Time (CYCt) 24
- Output Control Action (OPAC) 24
- Output Power Limits (OPLO & OPHI) 25
- Input Overdrive Preset Power (OPFL) 25
- Output Power Dampening (OPdP) 25
- ON/OFF Control Hysteresis Band (CHYS) 25
- Auto-Tune Dampening Code (tcod) 26
- Linear DC Analog Output (ANAS, ANLO, ANHI, ANdb, ANUt) (Optional) 26
- Lockouts Module (3-LC) 27
- Alarm Module (4-AL) (Optional) 28
- Secondary Output Module (5-02) (Optional) 33
- Serial Communications Module (6-SC) (Optional) 34
- Second Analog Input Module (7-2N) (Optional) 35
- Valve Positioner Module (8-VP) 37
- Valve Position 1 And Valve Position 2 (VPS1, VPS2) 37
- Valve Update Time (VUdt) (Position And Velocity Mode) 38
- Valve Position Deadband (VPdb) (Position Mode) 38
- Valve Fail Time Alarm (VFAL) (Position Mode) 38
- Valve Motor Open Time And Valve Motor Close Time (VOPt, VCLt) (Velocity mode) 38
- Valve Minimum On Time (VONt)(Velocity Mode) 38
- Factory Service Operations Module (9-FS) 38
- Reference Tables: Configuration Parameter Modules 39
- Configure Module 1 - Input Parameters (1-IN) 39
- Configure Module 2 - Output Parameters (2-OP) 40
- Configure Module 3 - Lockout Parameters (3-LC) 41
- Configure Module 4 - Alarms (4-AL) 42
- Configure Module 5 - Secondary Output Parameters (5-O2) 43
- Configure Module 6 - Serial Communications (6-SC) 44
- Configure Module 7 - Second Analog Input (7-2N) 45
- Configure Module 8 - Valve Positioner (8-VP) 45
- Configure Module 9 - Factory Service Operations (9-FS) 46
- Input Module (1- In) 21
- RS485 SERIAL COMMUNICATIONS INTERFACE 47
- VALVE POSITION OPTION 54
- SECOND ANALOG INPUT OPTION 56
- PID CONTROL 59
- ON/OFF CONTROL 62
- AUTO-TUNE 64
- APPENDIX “A” - APPLICATION EXAMPLES 67
- APPENDIX “B” - SPECIFICATIONS AND DIMENSIONS 69
- APPENDIX “C” - TROUBLESHOOTING 73
- APPENDIX “D” - MANUAL TUNING 76
- APPENDIX “E” - CALIBRATION 78
- APPENDIX “F”-USER PARAMETER VALUE CHART 81
- APPENDIX “G” ORDERING INFORMATION 84
- Table of Contents