Rockwell Automation T6200 Compressor Anti-Surge and Capacity Controller - Manual (Page 150)

Configuration
8-30
T6200 – PID FB & Variables
- Loop Variable Editing : On the FBD configurator Main Window press the button to
call up the Variable Editor.
Loop Parameter Adaptation: Verify the loop parameters to make sure that they meet the
requirements of your application.
Check the following…
-
PID Tuning Constants, CGAIN, CRESET, CRATE: Enter proper settings for each loop
- Loop Scan Time, PERIOD: Except for special requirements (AS_PID), select 0.30 seconds
- Loop Scan Priority, PRIORITY: Except for special requirements, leave default setting
- Ratio Value of PID block, Ratio: Except for Ratio requirements, select 0
- Bias Value of PID block, Bias: Except for Bias requirements, select 0
- Loop Span Limits, SPANLO and SPANHI: Enter desired Span limits for each loop
- Setpoint Limits, SPHILM and SPLOLM: Enter desired settings for each loop
- Setpoint Rate Limit, SP_RATE: Enter desired settings for each loop
FIGURE 8-18
Loop Variables