Communication Specifications; Built-In Ethernet Communication - Mitsubishi Electric MELSEC iQ-F Series Training Manual

Communication Specifications

The built-in Ethernet and built-in RS-485 communication specifications are as explained below.

Built-in Ethernet communication

For details of built-in Ethernet communication, refer to the following.
MELSEC iQ-F FX5 User's Manual (Ethernet Communication)
MELSEC iQ-F FX5 User's Manual (SLMP)
Item
Data transmission speed
Communication mode
Interface
Transmission method
Maximum segment length (The distance between hub and node)
Cascade connection
Protocol type
Number of simultaneously open connections allowed
*1
Hub
Insulation method
*5
IP address
*6
Cable used
*1 IEEE802.3x flow control is not supported.
*2 Number of stages that can be connected when a repeater hub is used. When a switching hub is used, check the specifications of the
switching hub used.
*3 The first device for MELSOFT connection is not included in the number of connections. (The second and the following devices are
included.)
*4 The CC-Link IE field network Basic and FTP server are not included in the number of connections.
*5 If the first octet is 0 or 127, a parameter error (2222H) will occur. (Example: 0.0.0.0, 127.0.0.0, etc.)
*6 A straight cable can be used. If a personal computer or GOT and CPU module are directly connected a cross cable can be used.
Built-in Ethernet connector
Pin
1
2
8 1
3
4
5
6
7
8
100BASE-TX
10BASE-T
For 100BASE-TX connection
For 10BASE-T connection
Signal name
TXD+
TXD-
RXD+
Not used
Not used
RXD-
Not used
Not used
Specifications
100/10 Mbps
Full-duplex (FDX) / Half-duplex (HDX)
RJ45 connector
Base band
100 m
*2
Max. 2 stages
*2
Max. 4 stages
CC-Link IE field network Basic
MELSOFT connection
SLMP (3E frame)
Socket communication
Predefined protocol support
FTP server
*3*4
Total of 8 connections
(Up to 8 external devices can access one CPU module at the same time.)
Hubs with 100BASE-TX or 10BASE-T ports can be used.
Pulse transformer insulation
Initial value: 192.168.3.250
Ethernet standard-compatible cable, category 5 or higher (STP cable)
Ethernet standard-compatible cable, category 3 or higher (STP cable)
18
*1