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(3) Ethernet part
*1 To use two or more TCP connections for a MELSOFT Connection, user connections can be assigned to MELSOFT
Connection. (
Page 191, Section 10.3.3 (1))
*2 Use of double shielded cables is recommended in a high noise environment.
● When connected to a switching hub, the Ethernet adapter module detects and sets 1000BASE-T or 100BASE-TX and
full-or half- duplex communication mode according to the switching hub. When the connected switching hub does not
support the auto-negotiation function, set the switching hub to the half-duplex communication mode.
● The operation of the following connections is not guaranteed. Check the operation at the user's discretion before use.
• Connections using the Internet (public line)
(Internet connection services by Internet service providers or telecommunications carriers)
• Connections using firewall devices
• Connections using broadband routers
Item Specification
Number of
connections
For users 32
For auto-open 1
For MELSOFT
connection
3 (TCP connection: 1
*1
, UDP connection: 1, Direct connection: 1)
Own Station Port No.
1025 to 4999, 5011 to 65534 (0401
H
to 1387
H
, 1393
H
to FFFE
H
)
Number of simultaneously connectable
modules
Up to 32
Communication speed 1Gbps or 100Mbps
Communication mode Full- or Half-duplex
Transmission system Base band
Connection cable
For 1Gbps
An Ethernet cable that meets the 1000BASE-T standard:
Category 5e or higher, (Double shielded/STP) Straight cable
(
Page 48, Section 5.2.2 (1))
For 100Mbps
*2
An Ethernet cable that meets the 100BASE-TX standard:
Category 5 or higher, (STP) Straight cable
(
Page 48, Section 5.2.2 (1))
Maximum distance between switching hub
and node
Up to 100m
Number of cascade connections Up to 20