Channel-Referred Diagnostic Data - Weidmuller SAI Active Universal Pro Series Manual

6.9.5

Channel-referred diagnostic data

The quantity of module-specific diagnostic information is dependent on the number of modules which contain
errors. Three bytes are needed for each error. The first byte describes the plug-in station number of the
module. The second byte indicates which channel had the error. The third byte describes the type of error.
Byte n, module-specific diagnostic header
Bit 0 Plug-in station number of the module, including gateway I/O
Bit 1 Plug-in station number of the module, including gateway I/O
Bit 2 Plug-in station number of the module, including gateway I/O
Bit 3 Plug-in station number of the module, including gateway I/O
Bit 4 Plug-in station number of the module, including gateway I/O
Bit 5 Plug-in station number of the module, including gateway I/O
Bit 6 The code for channel-specific diagnostics is always equal to 0.
Bit 7 The code for channel-specific diagnostics is always equal to 1.
Byte n+1, gives details on which channel type and which location in the module
Bit 0 Channel number
Bit 1 Channel number
Bit 2 Channel number
Bit 3 Channel number
Bit 4 Channel number
Bit 5 Channel number
Bit 6 Channel type
Bit 7 Channel type
Byte n+2, gives detail about which error has occurred
Bit 0 Error code
Bit 1 Error code
Bit 2 Error code
Bit 3 Error code
Bit 4 Error code
Bit 5 Data format
Bit 6 Data format
Bit 7 Data format
Table 93

Channel-referred diagnostic data

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Commissioning the PROFIBUS-DP
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