Remote I/O Error Codes (Dt9136(Dt90136) And Dt9137(Dt90137)); Contents Of Special Data Registers Dt9136 And Dt9137 - Panasonic MEWNET-F Technical Manual

9.3 Remote I/O Error Codes (DT9136(DT90136) and
DT9137(DT90137))
When an error occurs during remote I/O operation, the contents of the error will be stored in the special
data registers DT9136(DT90136) and DT9137(DT90137).
Procedure
FP programmer: Execute "OP-8" or "OP-12".
FPWIN GR: Execute [DATA MONITOR].

9.3.1 Contents of Special Data Registers DT9136 and DT9137

8 bits are used to indicate teh status of the communication paths of each master unit (master 1 through
master 4).
When an error occurs, bits 1 to 8 corresponding to the contents of the error will be "1" (refer to the
following table).
9-4