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.
+DUGZDUHLQWHUUXSWV
PV
(QDEOHGLDJQRVWLFV
%\WH[
%\WH[
,QSXWGHOD\
'LJLWDOLQSXWVHWWLQJV
PV
PV
PV
PV
PV
PV
PV
:LUHEUHDN
:LUHEUHDNFKHFN
QRQH
ZLWKSRVLWLYHHGJH
ZLWKQHJDWLYHHGJH
ZLWKSRVLWLYHDQGQHJDWLYHHGJH
2SHUDWLQJPRGH
GLJLWDOLQSXWGHDFWLYDWHG
GLJLWDOLQSXWDFWLYDWHG
QRQH
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 identified. The DIAG LED on the module
flashes.
There is additionally a channel-specific display of the diagnostics through the corresponding
channel fault LEDs
The diagnostic messages can, for example, be read from the diagnostic buffer of the CPU.
Diagnostic messages are either assigned to an input for specific channels or assigned to all inputs
as a module alarm. For diagnostic messages which affect 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
