IDEC MICROSmart FC6A Series User Manual page 628

13: T
ROUBLESHOOTING
Troubleshooting Diagram 11
Data is not transmitted correctly
in the user communication mode.
parameters set correctly
designated as transmit
status used repeatedly?
more than 5 TXD instructions on
Is duration of the busy
signal at the remote terminal
sure of source 1 device of the TXD
Call IDEC for assistance.
*1 See Chapter 5 "User Communication via Serial Communication" - "Programming WindLDR" in the "FC6A Series MICROSmart Communication
Manual".
If the user communication still has a problem after completing the above procedure, also perform the
procedure of Diagram 10, described on the preceding page.
13-20
Are communication
using WindLDR?
YES
Is the data register
NO
Are inputs to
simultaneously?
NO
less than 5 s?
YES
Did you make
instruction?
YES
FC6A S MICROS
ERIES
NO
Set the communication parameters to match those of
the remote terminal using WindLDR
YES
Correct the program to replace the duplicate data
register with a different data register.
Correct the program to make sure that inputs to
YES
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 s.
NO
Make sure that the transmit data designated as
source 1 device is correct.
U ' M
MART SER S ANUAL
*1
.
FC9Y-B1722