Communication Specifications; Built-In Ethernet Communication; Built-In Rs-485 Communication - Mitsubishi Electric MELSEC iQ-F Series User Manual

2.7

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 100BASE-TX
10BASE-T
Protocol type
Number of simultaneously open connections allowed
Insulation method
*2
Cable used
For 100BASE-TX
connection
For 10BASE-T
connection
*1 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.
*2 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 RS-485 communication

For details of built-in RS-485 communication, refer to the following.
MELSEC iQ-F FX5 User's Manual (Serial Communication)
MELSEC iQ-F FX5 User's Manual (MODBUS Communication)
Item
Transmission standards
Data transmission speed
Communication method
Maximum total extension distance
Protocol type
Insulation method
Terminal resistors
Terminal block used
Specifications
100/10 Mbps
Full-duplex (FDX)/ Half-duplex (HDX)
RJ45 connector
Base band
100 m (328'1")
*1
Cascade connection max. 2 stages
*1
Cascade connection max. 4 stages
MELSOFT connection
SLMP (3E frame)
Socket communication
Predefined protocol support
Total of 8 for MELSOFT connection, SLMP, socket communication, and predefined protocol support
(Up to 8 external devices can access one CPU module at the same time.)
Pulse transformer insulation
Ethernet standard-compatible cable, category 5 or higher (STP cable)
Ethernet standard-compatible cable, category 3 or higher (STP cable)
Specifications
Conforms to RS-485/RS-422 specifications
Max. 115.2 kbps
Full-duplex (FDX) / Half-duplex (HDX)
50 m (164'0")
MELSOFT connection
Non-protocol communication
MELSEC Communication protocol (3C/4C frame)
MODBUS RTU communication
Predefined protocol support
Inverter communication
N:N Network
Not insulated
Built-in (OPEN/110 Ω/330 Ω)
European-type terminal block
2 SPECIFICATIONS
2