GE FVP110 Maintenance Manual page 7

AR (Arithmetic) Function Block ..................................................................................................153
General ..................................................................................................................................153
Functions Supported ........................................................................................................155
Supported Modes.............................................................................................................156
Alarm Types .....................................................................................................................156
Mode Handling .................................................................................................................156
Status Handling................................................................................................................156
Initialization ......................................................................................................................156
Power Failure Recovery...................................................................................................156
PID Function Block ....................................................................................................................157
General ..................................................................................................................................157
Modes ....................................................................................................................................158
Input Processing ....................................................................................................................159
Setpoint (SP) Limiters ............................................................................................................159
PID Computation....................................................................................................................159
Control Output........................................................................................................................160
Direction of Control Action .....................................................................................................161
Control Action Bypass............................................................................................................161
Feed-forward..........................................................................................................................162
External-output Tracking (LO)................................................................................................162
Measured-value Tracking ......................................................................................................163
CONTROL_OPTS..................................................................................................................163
Initialization and Manual Fallback (IMan)...............................................................................164
Manual Fallback .....................................................................................................................164
STATUS_OPTS ...............................................................................................................165
Auto Fallback .........................................................................................................................165
Mode Shedding on Computer Failure ....................................................................................166
Alarms....................................................................................................................................167
Block Alarm (BLOCK_ALM) .............................................................................................167
Process Alarms ................................................................................................................168
Diagnostics ................................................................................................................................169
General ..................................................................................................................................169
Integration Functions .............................................................................................................170
Signature Measurement Functions ........................................................................................171
Signature Measurement Procedure .................................................................................171
Signatures and Relevant Parameters ..............................................................................172
Troubleshooting .........................................................................................................................175
What to Do First .....................................................................................................................175
Troubleshooting Communications .........................................................................................176
Troubleshooting Function Block Parameters .........................................................................176
Troubleshooting Valve Control...............................................................................................178
Troubleshooting AutoTuning..................................................................................................181
Troubleshooting Position, Pressure, and Temperature Sensors ...........................................182
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