Instance Db For Fb 59 "Tcont_S - Siemens SIMATIC Manual

A.3.2

Instance DB for FB 59 "TCONT_S"

Parameter:
Addr Parameter Decl.
0.0 CYCLE INPUT
4.0 SP_INT INPUT
8.0 PV_IN INPUT
12.0 PV_PER INPUT
14.0 DISV INPUT
18.0 LMNR_HS INPUT
PID Temperature Control
A5E00125039-02
Data Range of
Type Values
≥ 0.001
REAL
REAL Dependent
on the
sensors
used
REAL Dependent
on the
sensors
used
INT
REAL
BOOL
Initial Description
Value
SAMPLE TIME OF STEP
0.1 s
CONTROLLER [s]
At this input, you enter the sampling
time for the controller.
0.0 INTERNAL SETPOINT
The "Internal Setpoint" input is used
to specify a setpoint.
PROCESS VARIABLE IN
0.0
An initialization value can be set at
the "Process Variable In" input or
an external process variable in
floating-point format can be
connected.
0 PROCESS VARIABLE
PERIPHERY
The process variable in the
peripheral I/O format is connected
to the controller at the "Process
Variable Peripheral" input.
0.0 DISTURBANCE VARIABLE
For feedforward control, the
disturbance variable is connected to
the "Disturbance Variable" input.
FALSE HIGH LIMIT SIGNAL OF
REPEATED MANIPULATED
VALUE
The signal "valve at upper limit
stop" is connected to the "Upper
limit stop signal of the position
feedback signal".
•
LMNR_HS=TRUE: The valve is
at the upper limit stop.
Appendix
A-13