43
Setup Manual
S
E
CT
IO
N 4
Tro
uble
s
hoo
ting
SECTION 4
Appendix
Terminal Block Errors
Problem
Probable cause
Reference
Trigger signals (input
signals) are not received.
The cables are not wired correctly.
p.30
The signal line is disconnected.
The Controller is not in the Run mode.
Signals cannot be output
externally.
The trigger signal has not been input.
p.30
The cables are not wired correctly.
The signal line is disconnected.
The Controller is not in the Run mode.
RS-232C Communication Errors
Problem
Probable cause
Reference
No communication is
possible.
The cables are not wired correctly.
p.34
The communication specifications of the Controller do not match
those of the external device.
The Controller is not in the Run mode.
The unit operates well
initially, but after a while
there is no response
from the Controller.
The buffers on the receiving side (PC) are full. Check wheter
they are set to receive data properly.
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