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Specifications
8.1 Specifications of CPU Unit LAN Port Communication
Function
LAN port
Items
Interface
Baud rate
Transmission system
Max. segment length
Communication cable
Max. distance between
nodes
No. of nodes
Number of simultaneous
connections
Communication protocol
DNS
DHCP
FTP server
SNTP
Communication function
(Note 1) Switching between different speeds is done automatically by auto negotiation function.
(Note 2) The standards cite 100 m as the maximum, but noise resistance measures such as attaching a ferrite core
may be necessary in some cases, depending on the usage environment. Also, it is recommended to position a
hub near the control board, and limit the length within 10 m
(Note 3) Used when connecting tool software via LAN.
8-2
100BASE-TX / 10BASE-T
100 Mbps, 10 Mbps auto-negotiation
Baseband
100 m
(Note 2)
UTP (Category 5)
100BASE-TX: 2 segments
10BASE-T: 5 segments
254 units
User connections: 16
System connections: 4
TCP/IP, UDP/IP
Supports name server
Automatic getting of IP address
File transmission, server function, No. of users: 3
Time synch function
MEWTOCOL-DAT (master/slave), MEWTOCOL-COM (master/slave)
MEWTOCOL7-COM (slave), MODBUS TCP (master/slave)
general-purpose communication
Description
(Note 1)
(Note 3)
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