Chapter 2 Specifications; Performance Specifications Of Ethernet - Mitsubishi Electric MELSEC iQ-R Series User Manual

2
SPECIFICATIONS
This chapter describes the performance specifications and hardware specifications of each module.
2.1

Performance Specifications of Ethernet

The following table lists the performance specifications of Ethernet.
Item
Transmission Data transmission speed
specifications
Communicatio
n mode
Interface
Transmission method
Maximum frame size
Jumbo frame
Maximum segment length
Number of
cascade
connections
IP version
Sending/ Number of simultaneous open
receiving data connections
storage
memory
Fixed buffer
Socket communications
Random access buffer
*1 When using 1Gbps, set "Communication Speed" under "Application Settings" to "Automatic Negotiation". ("1Gbps/Full Duplex" cannot
be selected.)
*2 For maximum segment length (length between hubs), consult the manufacturer of the hub used.
*3 Consult the manufacturer of the switching hub used.
*4 This applies when a repeater hub is used. For the number of levels that can be constructed when using a switching hub, consult the
manufacturer of the switching hub used.
The operation of commercial devices used for the following applications is not guaranteed. Check the
operation before using the module.
• Internet (general public line) (Internet-access service offered by an Internet service provider or a
telecommunications carrier)
• Firewall device(s)
• Broadband router(s)
• Wireless LAN
2 SPECIFICATIONS
30
2.1 Performance Specifications of Ethernet
RJ71EN71
Ethernet
1Gbps/100Mbps/
10Mbps
1000BASE-T Full-duplex
100BASE-TX Full-duplex/half-duplex
10BASE-T Full-duplex/half-duplex
RJ45 connector (Auto MDI/MDI-X)
Base band
• 1518 bytes
• 9022 bytes (when
jumbo frames are
used)
Available
100m (length between hub and node)
*3
1000BASE-T
100BASE-TX 2 levels maximum
10BASE-T 4 levels maximum
Compatible with IPv4
128 connections
(connections usable
on a program)
5K words  16
• 5K words  48
(when only P1 is
used)
• 5K words  112
(when P1 and P2
are used)
6K words  1
CPU module
Q-compatible Built-in
Ethernet Ethernet port
part
*1
1Gbps /100Mbps/ 100Mbps/10Mbps
10Mbps

1518 bytes
Not available
*2

*4
*4
16 connections (connections usable on a program)
1K words  16

 5K words  16

RnENCPU RnENCPU
(CPU part) (network part)
1Gbps/100Mbps/
10Mbps
Full-duplex
• 1518 bytes
• 9022 bytes (when
jumbo frames are
used)
Available
*3
64 connections
(connections usable
on a program)
5K words  16
5K words  48
6K words  1