6.1.1 Installation instructions
The Modbus/TCP module is connected to the PLC or other devices using standard CAT cables and
RJ45 connectors:
Ethernet standard: IEEE 802.3, 100Base-TX (fast Ethernet)
Cable type: S/FTP (cable with braided shield, (ISO/IEC 11801 or EN 50173, Straight
Through or Cross Over)
6.2 Setup
By default, the parameters of the CM-Modbus/TCP and CM-Modbus/TCP-2P communication modules
are set up as follows:
No. Description Factory setting
388 Bus Error Behaviour 1
1432 IP-Address 172.22.1.25
1433 Netmask 255.255.255.0
1434 Gateway 0.0.0.0
1435 DNS Server 0.0.0.0
1436 DHCP Option 0
1437 IP Command -
1440 Email Function 0
1441 Email Text (Body) -
1439 Modbus/TCP Timeout 0
The parameter settings must be adapted to the actual application.
6.2.1 TCP/IP configuration
For the configuration of the IP address, Netmask, etc., refer to the CM-VABus/TCP user manual. For
details refer to the CM-VABus/TCP user manual, Chapter “TCP/IP configuration”.
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ACU
Modbus/TCP 23
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