IDEC FC4A-C10R2 User Manual page 497

Troubleshooting Diagram 10
Data is not transmitted correctly
in the user communication mode.
Are communication
parameters set correctly
Is the data register
designated as transmit status
more than 5 TXD instructions on
the busy signal at the remote
terminal less than
sure of source 1 operand of the
Call IDEC for assistance.
When the user communication still has a problem after completing the above procedure,
also perform the procedure of Diagram 9 described on the preceding page.
using WindLDR?
YES
used repeatedly?
NO
Are inputs to
simultaneously?
NO
Is duration of
5 sec?
YES
Did you make
TXD instruction?
YES
« FC4A M
Set the communication parameters to
NO
match those of the remote terminal using
WindLDR (see page 17-5).
YES
Correct the program to replace the duplicate
data register with a different data register.
Correct the program to make sure that
YES
inputs to more than 5 TXD instructions do
not go on simultaneously.
NO
Make sure that the busy signal at the
remote terminal does not exceed 5 sec.
NO
Make sure that the transmit data desig-
nated as source 1 operand is correct.
S U ' M
ICRO MART SER S ANUAL
29: T
ROUBLESHOOTING
» 29-17