Control Functions - Lenze 8400 StateLine C Reference Manual

8400 StateLine C | Reference manual
Function library
Function blocks | L_PCTRL_1
16.1.39.6

Control functions

The process controller has various digital inputs for controlling the FB:
Identifier
bInAct
bIOff
bPIDOff
(from version 06.00.00)
844
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Information/possible settings
Data type
Deactivate process controller temporarily (stop)
• Changes can be done online.
BOOL
• Display parameter:
Note: This input is not interconnected in the LA_NCtrl application block.
TRUE • The current output value is frozen.
• The internal control algorithm is stopped.
• However, a setpoint selected via input nNSet_a is still provided in
operating modes 0/1/4/5.
Switch off the I component of the process controller
• Changes can be done online.
BOOL
• Display parameter:
TRUE The I component of the process controller is set to zero.
Reset the entire PID controller
BOOL
TRUE • The I component of the controller is set to zero.
• The controller output is set to zero.
• The internal control algorithm is stopped.
L
C00833/76
C00833/77
Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011