Supported platforms: CODESYS 2.3, CODESYS 3.5
P and I gain curve variables:
Global variable name |
Data type |
Default value |
Description |
G_PVC_FAST_P_HIGH_LIMIT |
INT |
10000 |
Maximum value of fast P |
G_PVC_FAST_P_GAIN_SLOPE |
INT |
255 |
Fast P slope |
G_PVC_FAST_P_GAIN_ZERO |
INT |
875 |
Fast P zero |
G_PVC_FAST_I_GAIN_SLOPE |
INT |
19 |
Fast I slope |
G_PVC_FAST_I_GAIN_ZERO |
INT |
5 |
Fast I zero |
G_PVC_SLOW_P_HIGH_LIMIT |
INT |
9000 |
Maximum value of slow P |
G_PVC_SLOW_P_GAIN_SLOPE |
INT |
215 |
Slow P slope |
G_PVC_SLOW_P_GAIN_ZERO |
INT |
875 |
Slow P zero |
G_PVC_SLOW_I_GAIN_SLOPE |
INT |
14 |
Slow I slope |
G_PVC_SLOW_I_GAIN_ZERO |
INT |
5 |
Slow I zero |
Global variable name |
Data type |
Default value |
Description |
G_PVC_MIN_CONTROL |
INT |
0 |
Minimum of control signal value |
G_PVC_MAX_CONTROL |
INT |
32767 |
Maximum of control signal value |
G_PVC_MAX_ALLOWED_LEAK_CURRENT |
UINT |
30 |
Maximum leakage current (mA) without control |
G_PVC_PI_MAX |
INT |
32767 |
PI controller maximum value |
G_PVC_MIN_PWM |
INT |
5 |
Minimum PWM % for valve diagnostics |
Global variable name |
Data type |
Default value |
Description |
G_PVC_INTEGRATOR_MAX_ERROR_LIMIT |
DINT |
50001 |
AdaptiveController PI-controller integrator-term max value |
G_PVC_INTEGRATOR_MIN_ERROR_LIMIT |
DINT |
-50001 |
AdaptiveController PI-controller integrator-term min value |
Source file Topic000474.htm
Last updated 21-Feb-2025