Siemens SIMATIC 6DL1131-6DF00-0PK0 - Diagnostics Alarms

All unused bits and the bits or bytes marked as "reserved" must be set to zero.
You activate a channel parameter by setting the corresponding bit to "1" or the corresponding
value.
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Figure A-1 Structure byte x to x+1 for the channels 0 to 7
A.3 Diagnostics alarms
Diagnostics messages
A diagnostics message is generated for every fault identi󹪝ed. The DIAG LED on the module
󹪞ashes.
There is additionally a channel-speci󹪝c display of the diagnostics through the corresponding
channel fault LEDs
The diagnostic messages can, for example, be read from the diagnostic bu󹪜er of the CPU.
Diagnostic messages are either assigned to an input for speci󹪝c channels or assigned to all inputs
as a module alarm. For diagnostic messages which a󹪜ect the entire module, all channels are
Parameters, diagnostics messages and address space
A.3 Diagnostics alarms
DI 8x24...125VDC HA
Equipment Manual, 10/2021, A5E39288633-AD 37