Beckhoff TwinCAT 3 Manual page 40

PLC libraries
Inputs
Name
eControlMode
bSelSetpoint
fW1
fW2
fX
fYManual
bOpenThermocouple
bReverseThermocouple
bBackVoltage
bLeakage
bShortCircuit
bOpenCircuit
fD
bCompensateDisturbance NA
sParaControllerExternal
40
Unit
NA
NA
°C
°C
°C
%
NA
NA
NA
NA
NA
NA
NA
NA
Version: 1.1
Range
E_CTRL_MODE
[True, False]
LREAL
LREAL
LREAL
[-100%, +100%]
[True, False]
[True, False]
[True, False]
[True, False]
[True; False]
[True, False]
LREAL
[True, False]
Structrue
Description
Switches mode
Selects one of the two
possible setpoints; True
selects the standby
setpoint
Setpoint
Standby setpoint
(generally smaller than
fW1, bSelSetpoint is used
to switch between fW1
and fW2)
Actual value
Control value in manual
mode
The Thermocouple is
open if true; must be
indicated by the hardware
The Thermocouple is
connected with wrong
polarity if true; must be
indicated by the hardware
The input voltage at the
Thermocouple is too high,
if true; must be indicated
by the hardware
Leakage current has been
detected, if true; must be
indicated by the hardware
Short circuit has been
detected, if true; must be
indicated by the hardware
Open circuit is detected, if
true; must be indicated by
the hardware
Actual value of the
measured disturbance
Disturbacen compensate
is activated, if true
An external controller
parameter set is passed
to the controller
TC3 Temperature Controller