Rockwell Automation T6200 Compressor Anti-Surge and Capacity Controller User Manual
Page 157

Configuration
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Table T5. - Anti-Surge and Incipient Surge PID Tuning Settings
Name Init.
Value
Description
Bias_Mgn
% Bias Addition to SCL (Surge Control Line) – Enter from HMI
AS_V_SluC
AS Valve (Recycle/BV) Slew Closing Rate (typically set at 1% per sec)
AS_G_BP1
Adapt Gain Break Point (< SCL; Slope m1 gain increase if below BP1)
AS_CGAIN
AS_PID.Tuning_Proportional (Gain is typically set at 0.20)
AS_CRESET
AS_PID.Tuning_Integral (typically preset at 20 repeats/min)
IS_CGAIN
IS_PID.Tuning_Proportional (Gain is typically set at 0.20)
IS_CRESET
IS_PID.Tuning_Integral (typically preset at 15 repeats/min)
Table T6. - Decoupling and Pressure Rate Constraint Settings
Name Init.
Value
Description
DC_LeadT
Decoupling Lead Time in Seconds
DC_Ampl
Decoupling Signal Amplitude (Recycle/Blowoff Valve % change, 0-1)
DC_Rate
Decoupling Signal Rate (Recycle/Blowoff Valve Rate of change)
Ps_RC_Set
Suction Pressure Rate Constraint (units/sec); Alt. Pd, PR, h constraint
Table T7. - Loadshare Efficiency Settings
Name Init.
Value
Description
LSE_SP_Rate
Efficiency Setpoint Ramp Rate Setting
LSE_SPHILM
Efficiency Setpoint High Limit
LSE_SPLOLM
Efficiency Setpoint Low Limit
Table T8. - Capacity Control Settings
Name Init.
Value
Description
Cap_CGAIN
Cap_PID.Tuning_Proportional (Gain is typically set at 0.40)
Cap_CRESET
Cap_PID.Tuning_Integral (typically preset at 10 repeats/min)
Cap_D_Hi
Cap PID Deviation Alarm High (eng units)
Cap_D_Lo
Cap PID Deviation Alarm Low (eng units)
LU_Lch_P
Initialization SP Value (Ps, Pd, PR) after LineUp Latch Option
Table T9. - Other Loops – Turbine, OL, SV, etc. - Control Settings
Name Init.
Value
Description