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2 SPECIFICATIONS
2.8 Communication Specifications
2.8 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)
*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 A straight cable can be used. If a personal computer or GOT and CPU module are directly connected a cross cable can be used.
Item Specifications
Data transmission speed 100/10 Mbps
Communication mode Full-duplex (FDX) / Half-duplex (HDX)
*1
Interface RJ45 connector
Transmission method Base band
Maximum segment length (The distance between hub and node) 100 m
Cascade connection 100BASE-TX Max. 2 stages
*2
10BASE-T Max. 4 stages
*2
Protocol type MELSOFT connection
SLMP (3E frame)
Socket communication
Predefined protocol support
Number of simultaneously open connections allowed Total of 8 for socket communication, MELSOFT connection, SLMP, and Predefined
protocol support
(Up to 8 external devices can access one CPU module at the same time.)
Hub
*1
Hubs with 100BASE-TX or 10BASE-T ports can be used.
Insulation method Pulse transformer insulation
IP address Initial value: 192.168.3.250
Cable used
*3
For 100BASE-TX connection Ethernet standard-compatible cable, category 5 or higher (STP cable)
For 10BASE-T connection Ethernet standard-compatible cable, category 3 or higher (STP cable)
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