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SPECIFICATIONS3
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MELSEC-F
3 SPECIFICATIONS
This section explains the Ethernet module performance specifications and
transmission specifications.
For the general specifications, refer to the packaged manual and the User’s Manual of
the PLC main unit.
3.1 Performance Specifications
The following explains the performance specifications of the Ethernet module.
*1 Length between the Hub and node.
Item Specification
Transmission
specifications
Data transmission speed 100 M bps 10 M bps
Communication mode Full-duplex/Half-duplex
Transmission method Base band
Maximum segment length 100 m (328' 1") *1
Maximum number of
nodes/connection
Cascade connection Maximum 2 stages Cascade connection Maximum 4 stages
Transmission
data storage
memory
Number of simultaneously open
connections allowed
4 connections
Fixed buffer communication: up to 2 connections (C1 and C2)
MELSOFT connection + MC protocol: up to 2 connections (C3 and C4)
Fixed buffer 1023 word 2
E-mail
Attached file 2048 words 1
Main text 256 words 1
Number of I/O occupied points 8 points
Power supply 24V DC +20%, -15%, ripple (p-p) less than 5%
Allowable instantaneous power failure time Operation can be continued upon occurrence of instantaneous power failure for 1 ms or less.
External 24V current consumption 240 mA
Number of connectable units to the main unit 1
Applicable PLC
FX
3U/FX3UC PLC
Ver. 2.21 or later
External dimensions 90 (3.55") (H) 55 (2.17") (W) 87 (3.43") (D) [mm] (inches)
Weight 0.3 kg (0.66 lbs)
POINT
The module operation is not guaranteed if any of the following connection is
used. Check the module operation on the user side.
• Connections using the Internet (general public line) (Connections using
Internet connection service provided by Internet service providers and
telecommunications carriers)
• Connections using devices in which a firewall is installed
• Connections using broadband routers
• Connections using wireless LAN