User`s manual

18
FX3U Series Programmable Controllers
User’s Manual - MODBUS Serial Communication Edition
3 System Configuration
3.2 Applicable FX PLC and Communication Equipment
For communication in accordance with RS-485
FX Series Communication equipment (option)
Total extension
distance
Check
FX
3U
When using channel 1 (ch 1)
500 m
(1640' 5")
When using channel 2 (ch 2)
500 m
(1640' 5")
500 m
(1640' 5")
FX 3U -CNV-BD
+
FX 3U -485ADP-MB
(European terminal block)
ch1
+
FX 3U -485ADP-MB
(European terminal block)
ch2
FX
3U -  -BD
(Where  represent either
232, 422, 485, or USB).
ch1
RD
SD
FX 3U -CNV-BD
+
FX 3U -  ADP (-MB)
(Where  represents
either 232 or 485).
ch1
+
FX 3U -485ADP-MB
(European terminal block)
ch2