XCA 1100 / XCA 1200 Control Unit
Operating Manual XCA 1100 / XCA 1200
●
Version 12/17
23
4.2.1
Operating mode switch
The operating mode switch has ten positions to set the startup
behaviour of the controller.
Table 10:
Operating mode switch
Position /
designation
Meaning
0
Default initialisation / diagnosis
(Start of the real-time operation
system in safe mode and reset of
retentive data memory,
1 / prog
Programming mode
(PLC stop)
2 / Warm
(also 4..9)
PLC warm start to
IEC 61131-3
(default setting)
3 / Cold
PLC cold start to
IEC 61131-3
(Reinitialisation of the retain
variables)
The current setting of the operating mode switch can be requested in
the PLC program. The variable is already created in the templates for
the XCx control units supplied with MULTIPROG (worksheet
Global_Variables, PLC_COMMON:
cmpSwrdPlcRd_lXModeSwitch
).
4.2.2
Reset button
The reset button allows the CPU module to be switched off or reset:
Short push of the button = Reset
Long push of the button = Shutdown
Table 11:
Reset button
Important!
If RESET is activated while accessing the CF card or SSD (LED
ACT
flashes green), data may be lost.