Mitsubishi Electric MELSEC-A User Manual page 161

16. TROUBLESHOOTING (MULTIDROP LINK FUNCTIONS)
MELSEC-A
YES
YES
Connect terminal resis-
Transmission
normal?
Check for external cause
such as noise.
Check corresponding sta-
The first station
tion transmission tormat.
always faulty? ~ o w e r status. etc.
I
Slave transmission for-
I
mat error, transmission
specifications mismatch,
or AJ71UC24 hardware
fault.
If hardware is faulty, con-
sult Mitsubishi repre-
sentative with deta~ls.
Complete
u