H-14
FX Series PLC User's Manual - Data Communication Edition
Programming Communication
2 System Configuration and Selection
2.2 Applicable FX PLC and Communication Equipment
FX3G
(40-point,60-point
type)
RS-422 Standard 
built-in port
(8-pin MINI-DIN)
USB Standard
built-in port
(Mini-B)
When using channel 1 (ch 1)
The communication equipment works as ch1 when connected to
the option connector 1.
50 m
(164' 0")
The communication equipment works as ch1 when connected to
the option connector 1.
15 m
(49' 2")
15 m
(49' 2")
When using channel 2 (ch 2)
The communication equipment works as ch2 when connected to
the option connector 2.
50 m
(164' 0")
The communication equipment works as ch2 when connected to
the option connector 2.
15 m
(49' 2")
Ch2 is not available when the variable analog potentiometer
expansion board is connected to the option connector 2.
15 m
(49' 2")
FX Series Communication equipment (option)
Total extension 
distance
Check
ch1
FX
3G-422-BD
(8-pin MINI-DIN)
ch1
FX
3G
-232-BD
(9-pin D-Sub, male)
FX
3U-232ADP(-MB)
(9-pin D-Sub, male)
ch1
FX
3G-CNV-ADP
ch2
FX
3G
-422-BD
(8-pin MINI-DIN)
ch2
FX
3G-232-BD
(9-pin D-sub, male)
FX3U
-ADP(-MB)
(Where  represents
232 and 485).
FX
3G
-CNV-ADP
FX
3U
-232ADP(-MB)
(9pin D-SUB, male)
ch2
ch1