7.3 Module Specifications
7-7
7
7.3 Module Specifications
This section provides the 218IFA Module specifications.
7.3.1 Hardware Specifications
The following table shows the specifications for the 218IFA Module.
7.3.2 Communications Specifications
The following table shows the communications specifications for the 218IFA Module.
Item Specifications
Name 218IF Communications Module (Ethernet Communications
Module)
Model JEPMC-CM210A
Description 218IFA
Dimensions 40 × 130 × 105 mm (W × H × D)
(Size for one option slot of MP920)
Approximate Mass Base: 220 g, Case: 220 g
Power Supply Supplied from Base Module
+5 V, 450 mA
Table 7.2 218IFA Module Communications specifications
Item Specifications
Interface 10Base-T: RJ-45
Transmission Distance 100 m/segment
Total distance: 500 m (when using four repeaters)
Transmission Speed 10 Mbps
Transmission Method IEEE 802.3 CSMA/CD
Frame Format Ethernet Ver.2 (DIX specifications)
Communications Protocol TCP, UDP, IP, or ARP
Maximum Number of
Nodes
Depends on the hub that is used and the network.
Communications Mode Message communications
Maximum Number of
Transmission Words
512 words (1,024 bytes)
Communications Protocol MEMOBUS (Master/Slave), MELSEC Communications,
Extended MEMOBUS
Maximum Number of
Connections
20 connections
(Not more than 10 connections at the same time. By switch-
ing connections using the main program, 20 connections can
be used.)
Transmission Media Twisted pair cables, category 3
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