7.2 Communication Specifications
Computer link
Note1)
General-purpose serial
PC(PLC)
link
MODBUS RTU
Note1)
1:1
communication
1:N
commu-
nication
1:1
communication
1:N
commu-
nication
1:1
communication
1:N
commu-
nication
Inter-
face
RS232C RS422 RS485 RS232C RS422 RS485
RS232C
RS422
RS232C RS422 RS485
Target
items
-TOOL
port
AFPX
-COM3
AFPX
-COM3
-COM4
-COM6
-TOOL
port
AFPX
-COM3
AFPX
-COM3
-COM4
-COM6
AFPX
-COM1
-COM2
-COM3
-COM4
-COM6
AFPX
-COM1
-COM2
-COM4
AFPX
-COM3
AFPX
-COM3
-COM4
-COM6
AFPX
-COM1
-COM2
-COM4
AFPX
-COM1
-COM2
-COM4
Commu-
nication
method
Half-duplex
communication
Two-wire,
half-
duplex
communi-
Half-duplex
communication
Two-wire,
half-
duplex
communi-
Token
bus
(Floating
master)
Half-duplex
communication
Two-wire,
half-
duplex
communi-
Note1) Although it has adequate tolerance to noise, it is recommendable to make a program to execute
retransmission. (in order to improve reliability of the communication when a communication error
occurs due to excessive noises or when a receiver equipment cannot
receive data temporarily).
Communication port (Ethernet)
Computer link
General-purpose serial
IEEE802. 3u, 10BASE-T/100BASE-TX
No. of connections Max. 1 connection (Client)
Max. 3 connections (Server)
Max. 1 connection
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