Library manual M238 system functions | 2 MB - BERGER - POSITEC
Library manual M238 system functions | 2 MB - BERGER - POSITEC
Library manual M238 system functions | 2 MB - BERGER - POSITEC
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GetPlcFault: Returns Detected Errors on the Controller I/O<br />
<strong>M238</strong> System Functions<br />
Function Description<br />
This function returns a generic diagnostic of the Controller I/O in a bit field (FFFF hex<br />
means no error detected):<br />
NOTE: The similar information is also available through the System Variable (bit0<br />
and bit1) PLC_R.i_lwSystemFault_1 (see page 16).<br />
Graphical Representation<br />
IL and ST Representation<br />
To see the general representation in IL or ST language, refer to the chapter Function<br />
and Function Block Representation (see page 71).<br />
I/O Variable Description<br />
The following table describes the output variable:<br />
Output Type Comment<br />
GetPlcFault WORD Diagnostic of controller’s I/O in a bit field (FFFF hex means<br />
no error detected).<br />
The following table details the bits contained in the output bit field:<br />
Bit Meaning<br />
0 FALSE = detected error on the I/O expansion bus.<br />
Use the GetRightBusStatus (see page 36) function to get detailed<br />
diagnostic information.<br />
1 FALSE = detected error on the embedded I/O.<br />
Use the GetLocalIOStatus (see page 33) function to get detailed<br />
diagnostic information.<br />
2..15 reserved, always 1<br />
EIO0000000364 04/2012 35
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