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Siemens SIMATIC S7-1200

Siemens SIMATIC S7-1200
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Instructions
9.2 PID_3Step
PID control
320 Function Manual, 03/2017, A5E35300227-AC
9.2.4.6
In/out parameters of PID-3Step V2
Table 9- 9 In/out parameters of PID-3Step V2
Parameter
Data type
Default
Description
Mode INT 4 At the Mode parameter, you specify the operating mode to
which PID_3Step is to switch. Options are:
Mode = 0: Inactive
Mode = 1: Pretuning
Mode = 2: Fine tuning
Mode = 3: Automatic mode
Mode = 4: Manual mode
Mode = 6: Transition time measurement
Mode = 10: Manual mode without endstop signals
The operating mode is activated by:
Rising edge at ModeActivate
Falling edge at Reset
Falling edge at ManualEnable
Cold restart of CPU if RunModeByStartup = TRUE
Mode is retentive.
A detailed description of the operating modes can be found in
Parameters State and Mode V2 (Page 330).

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