
Configuration
8200SHB0199
7-39
7.5.10.3 Frequency precontrol
Code Name Possible settings IMPORTANT
Lenze Choice Info
C238¤ Frequency
precontrol
-1- -0- No precontrol
-1- With setpoint precontrol
Function C238 = -1-
The process controller has only limited influence on the process.
The following setpoint precontrol is possible:
A The setpoint of the process controller is derived from the precontrol value (C181 = 0).
- Applications with frequency precontrol are e.g. speed controls.
B The setpoint of the process controller is selected under C181 (C181 0).
- Applications are e.g. dancer controls, pressure andflow-rate controls
7.5.10.4 Frequency setting range
Code Name Possible settings IMPORTANT
Lenze Choice Info
C239¤ Frequency setting
range
-0- -0- Bipolar
-1- Unipolar
Function C239 = -0-
Allows both directions of rotations for the control process.
C239 = -1-
Allows only one direction of rotation for the control process.
Application with frequency setting range are, for instance:
Fancontrols
Dancer controls
Important Onlyif C005 > -0-, C239 has aninfluence.
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