Document Outline

• Pcu-im-k(1).pdf
  • Table of Contents
    • GENERAL DESCRIPTION 1
      • Safety Summary 2
    • INSTALLATION & CONNECTIONS 3
      • Installation Environment 3
      • Standard Unit Installation 3
      • NEMA 4X/IP65 Unit Installation 3
      • Unit Removal Procedure 5
      • Removing Bezel Assembly 5
      • Installing Bezel Assembly 5
      • Output Modules 5
        • Output Module Restrictions 5
        • Installing Output Modules 6
        • Typical Connections 6
      • Select AC Power (115/230 VAC) 6
      • EMC Installation Guidelines 7
      • Wiring Connections 8
        • Valve Positioner Wiring 9
        • Linear DC Output Wiring 9
        • Second Analog Input Wiring 9
        • Program Disable Or User Input Wiring 10
        • AC Power Wiring 10
    • FRONT PANEL DESCRIPTION 11
      • Button Functions 11
    • OPERATION OVERVIEW 12
      • Controller Power-up 12
      • Controller Power Down 12
      • Process Start-up 12
      • Manual (User) & Automatic Operation 12
      • Remote And Local Setpoint Operation 13
      • Configuration Of Parameters 14
      • Parameter Entry 15
      • Normal Display Mode 15
      • Modifying A Secondary Display Parameter From The Front Panel 15
    • UNPROTECTED PARAMETER MODE 16
      • Unprotected Parameter Mode Reference Table 16
    • PROTECTED PARAMETER MODE 18
      • Protected Parameter Mode Reference Table 18
    • FRONT PANEL PROGRAM DISABLE 19
      • Models With User Input 19
      • Models With Program Disable 19
    • HIDDEN FUNCTION MODE 20
      • Hidden Function Mode Reference Table 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
          • Key-in Method 22
          • Signal Input Method 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
        • Lower Display Lockouts (SP, OP, IN-2, dEv, bdSP) 27
        • Protected Mode Lockouts (Code, PID, PID2, rtbS & AL) 28
        • Hidden Mode Lockouts (ALrS, trnF, tUNE and SPSL) 28
      • Alarm Module (4-AL) (Optional) 28
        • Alarm Action (Act1, Act2) 28
        • Second Analog Input Alarm 29
        • Valve Fail Alarm (VFAL) 29
        • Alarm Action Figures 30
        • Alarm Reset (rSt1, rSt2) 32
        • Alarm Standby Delay (Stb1, Stb2) 32
        • Alarm Value (AL-1, AL-2) 32
        • Alarm Hysteresis (AHYS) 33
      • Secondary Output Module (5-02) (Optional) 33
        • Time Proportioning Cycle Time (CYC2) 33
        • Relative Gain (GAN2) 33
        • Overlap/Deadband (db-2) 33
      • Serial Communications Module (6-SC) (Optional) 34
        • Baud Rate (bAUd) 34
        • Parity Bit (PArb) 34
        • Address Number (Addr) 34
        • Abbreviated or Full Transmission (Abrv) 34
        • Print Rate (PrAt) 34
        • Print Options (PoPt) 35
      • Second Analog Input Module (7-2N) (Optional) 35
        • Operation mode (OPEr) 35
        • Square Root Linearization (root) 35
        • Decimal Point Position (dPt2) 36
        • Second Analog Input Scaling Points (dSP1, INP1, dSP2, INP2) 36
          • Display Values (dSP1 & dSP2) 36
        • Signal Input Values (INP1 & INP2) 36
          • Key-in Method 36
          • Signal Input Method 36
        • Local/Remote Setpoint Transfer Modes (SPtr) 37
        • Secondary Output Power Dampening (OPd2) 37
      • 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
    • RS485 SERIAL COMMUNICATIONS INTERFACE 47
      • Communication Format 47
      • Sending Commands And Data 47
        • Output Status 48
      • Receiving Data 50
      • Serial Connections 52
        • Terminal Descriptions 52
        • Connecting To A Host Terminal 53
      • Troubleshooting Serial Communications 53
    • VALVE POSITION OPTION 54
      • Position Mode Valve Control 54
      • Velocity Mode Valve Control 55
    • SECOND ANALOG INPUT OPTION 56
      • Remote Setpoint 56
        • Flow Ratio Control 56
        • Process Remote Setpoint Slave Control 56
      • Cascade Control 56
        • External Cascade Control 57
        • Internal Cascade Control 58
    • PID CONTROL 59
      • Proportional Band 59
      • Integral Time 59
      • Derivative Time 60
      • Output Power Offset (Manual Reset) 60
      • PID Adjustments 60
    • ON/OFF CONTROL 62
    • AUTO-TUNE 64
      • Initiate Auto-Tune 65
      • Auto-Tune Of Secondary Output (OP2) / Main Output (OP1) Systems 65
      • Auto-Tune Of Internal Cascade Controllers 65
      • Auto-Tune Of External Cascade Systems (Remote Setpoint) 66
    • APPENDIX “A” - APPLICATION EXAMPLES 67
      • Chemical Mixing Application 67
      • Flow Rate Programming Example 68
    • APPENDIX “B” - SPECIFICATIONS AND DIMENSIONS 69
    • APPENDIX “C” - TROUBLESHOOTING 73
      • Output Leakage Current 75
    • APPENDIX “D” - MANUAL TUNING 76
      • Open Loop Step Response Method 76
      • Closed Loop Cycling Method 77
    • APPENDIX “E” - CALIBRATION 78
      • Calibration Check 78
      • Voltage Reading Check 78
      • Current Reading Check 78
      • Linear DC Output Check 78
        • 4 to 20 mA 78
        • 0 to 10 VDC 78
      • Second Input Check 78
        • Second Analog Input Check 78
        • Valve Positioner Check 78
      • Calibration 79
        • Configure Step 9 - Factory Service Operations (9-Fs) 79
        • Voltage Calibration 79
        • Current Calibration 79
        • Analog Output Calibration (ANCL) 79
          • 4 to 20 mA 79
          • 0 to 10 VDC 79
        • Second Analog Input Calibration (2CAL) 80
        • Second Analog Input (Remote Setpoint) 80
        • Motorized Valve Positioner 80
    • APPENDIX “F”-USER PARAMETER VALUE CHART 81
    • APPENDIX “G” ORDERING INFORMATION 84