IDEC FT1A Series User Manual

S MART AXIS P RO /L ITE U SER ' S M ANUAL FT9Y-B1378 14-19
14: T ROUBLESHOOTING
Troubleshooting Diagram 12
*1 See "Programming WindLDR" on page 10-4.
If the user communication still has a problem after completing the above procedure, also perform the procedure of
Diagram 11, described on the preceding page.
Did you make
sure of source 1 device of the TXD
instruction?
Call IDEC for assistance.
NO
Are communication
parameters set correctly
using WindLDR?
NO
Are inputs to
more than 5 TXD instructions on
simultaneously?
YES
Correct the program to make sure that inputs to
more than 5 TXD instructions do not go on
simultaneously.
Data is not transmitted correctly
in the user communication mode.
Set the communication parameters to match those of
the remote terminal using WindLDR
*1
.
Make sure that the busy signal at the remote
terminal does not exceed 5 sec.
NO
NO
Is the data register
designated as transmit
status used repeatedly?
Correct the program to replace the duplicate data
register with a different data register.
Is duration of the busy
signal at the remote terminal
less than 5 sec?
YES
NO
YES
Make sure that the transmit data designated as
source 1 device is correct.
YES
YES

IDEC FT1A Series Specifications

General

Programming Software	WindLDR
Type	Programmable Logic Controller (PLC)
Display	LCD (varies by model)
Communication Ports	RS232C/RS485 (built-in), USB (programming), Ethernet (optional)
Dimensions	Varies by model
Weight	Varies by model
Model	FT1A Series