Siemens SIMATIC S7-1200

Using PID_Compact
4.2 PID_Compact V2
PID control
Function Manual, 03/2017, A5E35300227-AC
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4.2
PID_Compact V2
4.2.1
Configuring PID_Compact V2
4.2.1.1
Basic settings V2
Introduction V2
Configure the following properties of the "PID_Compact" technology object under "Basic
settings" in the Inspector window or in the configuration window:
● Physical quantity
● Control logic
● Start-up behavior after reset
● Setpoint (only in the Inspector window)
● Process value (only in the Inspector window)
● Output value (only in the Inspector window)
Setpoint, process value and output value
You can only configure the setpoint, process value and output value in the Inspector window
of the programming editor. Select the source for each value:
● Instance DB
The value saved in the instance DB is used.
Value must be updated in the instance DB by the user program.
There should be no value at the instruction.
Change via HMI possible.
● Instruction
The value connected to the instruction is used.
The value is written to the instance DB each time the instruction is called.
No change via HMI possible.