Acquiring Diagnostic Information Of Slave Stations - Mitsubishi Electric MELSEC iQ-R C R12CCPU-V User Manual

Controller module
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Acquiring diagnostic information of slave stations

If an error occurs in a slave station or the cyclic data cannot be read or written correctly, check the status of each slave station
with the following method for acquiring diagnostic information of slave stations.
• C Controller module dedicated function (CCPU_GetCCIEFBDiagnosticInfo)
• Buffer memory
Procedure to acquire diagnostic information with buffer memory
Acquire diagnostic information by buffer memory operation. (Page 240 Buffer Memory)
1.
Set a station number to acquire diagnostic information for 'Diagnostic request information' (Un\G1051).
2.
By turning 'Diagnostic information display request' (Un\G1050.0) OFF and ON, diagnostic information is stored to
'Diagnostic information 1' (Un\G1053 to Un\G1067) and 'Diagnostic information 2' (Un\G1068 to Un\G1083). ('Diagnostic
information display request' (Un\G1050.0) turns OFF when the diagnostic information is stored.)
7 CC-Link IE Field Network Basic FUNCTION
144
7.4 CC-Link IE Field Network Basic diagnostics

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