Mitsubishi FX3U-422-BD - System Configuration and Selection

F-14
FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (RS/RS2 Instruction)
3 System Configuration and Selection
3.1 System Configuration
3. System Configuration and Selection
This chapter explains the system configuration and communication equipment selection operating in
accordance with RS-485 or RS-232 required by FX PLCs.
3.1 System Configuration
This section outlines the system configuration required to use non-protocol communication.
Connect (optional) equipment operating in accordance with RS-485 or RS-232C to the FX PLC main unit.
, , , and indicate the communication equipment combination patterns.
1 2 3 4 5
RS-232: 15 m
RS-232C/RS-422
Converter
Connect the RS-232C/RS-422
converter to the standard port (RS-422)
built in the PLC.
Communication equipment operating
in accordance with RS-485 or
RS-232C
FX PLC Important point in selection
Total extension
distance
+
+
+
+
Communication
board
Communication
adapter
Communication Connector
conversion adapter
adapter
+
+
Special adapter
connection board
This is the communication board built
into the PLC, reducing the installation
area.
Attach the special adapter connection
Attach the connector conversion
adapter to the main unit, and then
attach the communication adapter to
the left side of the main unit.
board to the main unit, and then
attach the communication adapter to
the left side of the main unit.
RS-485: 50 m
(164' 0")
RS-232C: 15 m
(49' 2")
(49' 2")
RS-485: 500 m
(1640' 5")
RS-232C: 15 m
(49' 2")
RS-485: 500 m
(1640' 5")
RS-232C: 15 m
(49' 2")
2
1
3
4
+
Communication
adapter
Attach the communication adapter to
the left side of the main unit.
5
For communication equipment combinations for each FX Series, refer to the next page.
RS-485: 500 m
(1640' 5")
RS-232C: 15 m
(49' 2")