Siemens SIMATIC FC 45 Function Manual page 97

Sensors
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Change indication mode of the LEDs PRE/ERR1 and PRE/ERR2
INPUT parameter option_1 can be used to change the indication mode of LEDs PRE/ERR1
and PRE/ERR2 (see also the "INPUT parameters" table in Section "INPUT parameters").
Table A-9
FC 45
Function manual, Release 03/2006 , J31069-D0167-U001-A2-7618
Control of the LEDs PRE/ERR1 and PRE/ERR2
option_1
The LED indicates both ANZ_MDS_present and error_MOBY.
When an MDS is in the field (ANZ_MDS_present = 1), errors are
not indicated by the LEDs.
The LED only indicates error_MOBY.
The LED only indicates ANZ_MDS_present.
The LED indicates both ANZ_MDS_present and error_MOBY.
When an error output is queued, no ANZ_MDS_present is
indicated. The error indication can only be reset with the init_run
command and setting bit 1 in option_1.
Brief description of ASM hardware
Meaning of PRE/ERRx
A.3 ASM 452
A-15

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