iv
Service & Product Information Mode .............................................................................................................. 54
Entry into Service & Product Information Mode ....................................................................................... 54
Service & Product Information Screens: ............................................................................................. 54
Automatic Tuning Menu .................................................................................................................................. 55
Entry into the Automatic Tuning Menu ...................................................................................................... 55
Automatic Tuning Menu Screens ......................................................................................................... 55
Lost Lock Codes ............................................................................................................................................. 56
9 Input Calibration & Multi-point Scaling ....................................................................................................... 57
User Calibration .............................................................................................................................................. 57
Calibration Reminder ................................................................................................................................ 57
Single Point Calibration ............................................................................................................................. 57
Two Point Calibration ................................................................................................................................ 58
Multi-point Scaling ..................................................................................................................................... 58
Base Calibration Adjustment .......................................................................................................................... 58
Required Equipment ................................................................................................................................. 59
Performing a Calibration Check ................................................................................................................ 59
Recalibration Procedure ........................................................................................................................... 59
Input Calibration Phases ..................................................................................................................... 59
10 Digital Inputs ................................................................................................................................................ 60
Digital Signal Type ........................................................................................................................................... 60
Inverting Digital Inputs .............................................................................................................................. 60
Soft Digital Inputs ........................................................................................................................................... 60
Digital Input Functions .................................................................................................................................... 60
11 Cascade Control ........................................................................................................................................... 62
Normal Cascade Operation ........................................................................................................................... 62
Cascade-Open ................................................................................................................................................ 62
Manual Mode ................................................................................................................................................. 62
Cascade Tuning .............................................................................................................................................. 63
12 Ratio Control ................................................................................................................................................ 64
13 Redundant Input ........................................................................................................................................... 64
14 Valve Motor Drive / 3-Point Stepping Control ........................................................................................... 66
Pro-EC44 2-Loop Graphical Profile Controller & Recorder ............................................................................ 66
Special Wiring Considerations for Valve Motor Control ................................................................................. 66
Position Feedback .......................................................................................................................................... 66
Valve Limiting ............................................................................................................................................. 66
15 Setpoint Sources ........................................................................................................................................... 67
Loop 1 Setpoint Sources ............................................................................................................................... 67
Loop 1 Profile Setpoint ............................................................................................................................. 67
Loop 2 Setpoint Sources ................................................................................................................................ 67
Loop 2 Profile Setpoint ............................................................................................................................. 67
16 Profiler ............................................................................................................................................................ 68
Profile Components ....................................................................................................................................... 68
Profile Header & Segment Information ...................................................................................................... 68
Profile Starting & Standard Segments ....................................................................................................... 68
Two Loop Profiles ..................................................................................................................................... 69
Contents
Page Number
Содержание Chromalox 4081
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