Mitsubishi MELSEC-A Series Reference Manual page 103

5. SPECIFICATIONS
(2) Events checked by a local station
(a) Data communications status with the master station
• Checks if cyclic data communications is normally executed. (M9246)
• Checks if cyclic communication is executed normally from the master station
for the second tier when the host station is a local station for the third tier.
(M9247)
• Checks if link parameters are received from the master station. (M9250)
• Checks if the host station can communicate data. (M9251)
(b) Data communications with another station
• Check a faulty local station other than the host station. (D9252, D9253)
• The operation status of local stations other than the host station. (RUN/STEP-
RUN or STOP/PAUSE)
(c) Number of receive errors
• Checks the number of receive error occurrences (D9245).
(d) Link card hardware error (M9211)
(e) Mode setting switch setting status in the link card (M9240)
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