5.4.5.3 Status of the SIOX 1..3 extension modules
The status can be queried separately for each SIOX extension module by the application. The variables
SIOX0_STAT represent the internal SIOX of the controller or SIOX1_STAT to SIOX3_STAT the extension
modules SIOX 1..3. The statuses here are also bit by bit. The following table shows the connections:
Bit Mask Status of the SIOX 1..3 extension modules
7 16#80 -
6 16#40 -
5 16#20 -
4 16#10 -
3 16#08 -
2 16#04 Error read-back status of the SIOX counter (0-14)
1 16#02 SIOX watchdog failed
0 16#01 Incorrect module address read:
SIOX configuration resistors read back incorrectly
In CODESYS, the defined variable name and the associated IEC address can be looked up using the following
path:
Controllerconfiguration→GLT3010_V2→System→Systemstate→SIOXn_STATE
Example in STRUCTURED TEXT:
SIOX_WDOG := EXTRACT(SIOX0_STATE, 1); (* Query the second bit in the table *)
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