Beckhoff TwinCAT 3 Manual page 37

Table 18: ENUM: ST_ControlMode
Name
CTRLMODE_HEATING
CTRLMODE_COOLING
CTRLMODE_HEATING_COOLING
Table 19: ENUM: states
Name
TC_STATE_IDLE
TC_STATE_INIT
TC_STATE_OFF
TC_STATE_TUNE
TC_STATE_MANUAL_OPERATION
TC_STATE_CLOSED_LOOP
TC_STATE_TUNE_IDLE
TC_STATE_TUNE_PULSE
TC_STATE_TUNE_STEP
TC_STATE_TUNE_READY
TC_STATE_ERROR
Table 20: ENUM: E_FilterType
Name
E_FilterType_FIRSTORDER
E_FilterType_AVERAGE
Table 21: ENUM: E_ControllerType
Name
E_ControllerType_PID
E_ControllerType_PIDD2
Bit-masks for alarms
TC3 Temperature Controller
Description
Heating only.
Cooling only.
Heating and cooling.
Description
Controller switched off.
Controller is being initialised.
Controller switched off, was previously switched on.
Controller in tuning / self adjustment state.
Controller in manual operation.
Controller in automatic operation.
Tuning started but not yet running. Waiting for idle.
Pulse for determination of delay time.
Step for determination of delay time and maximum
speed.
Self-tuning complete.
Error (logical error).
Description
First order filter.
Mean value filter.
Description
Standard PID control algorithm.
Planned serial PID control algorithm.
Version: 1.1
PLC libraries
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