NCK commissioning switch
Figure4-5 NCK commissioning switch
Switch position NC operating mode
0 NCK normal run-up, setting in normal operation
1 General reset (NCK run-up with default values)
2 NCK runs up with the data that was saved at the last shutdown.
7 Debug mode (NCK is not started); the SSHport tcp/22 is open at X130
8 IP address for X130 of the NCU appears on the 7-segment display; the NCK is not
started; the PLC remains at STOP
9 SSHport tcp/22 is open at X130 (without any entry in basesys.ini le)
All others Not relevant
Note
Switch position when booting the service system
When booting the service system, it is not permissible that the rotary switch is in the "0" position,
as in the "0" position, the NCU always boots from the integrated memory and from the SD Card.
PLC mode switch
RUN Places the PLC in the RUN operating state. Setting in normal operation.
STOP Places the PLC in the STOP operating state.
MRE
S
Triggers a general reset of the PLC.
Figure4-6 PLC mode switch
Description
4.4Operator control and display elements
NCU 1750
Equipment Manual, 10/2023, A5E45627807B AH 41
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