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How many Modbus-TCP/IP (Modnet) device does Vijeo Citect V6.1 support?

Published date: 30 October 2019

Vijeo Citect V6.1 supports up to 128 Modnet ports or 128 PLCs since one port is require for each device in the basic configuration. However, if Vijeo Citect needs to communicate to more than 128 PLCs, the use of a gateway is necessary. This would requires to setup multiple I/O devices per port.

You would set up your devices in Vijeo Citect as per the Modbus driver help, and specify the IP address of your gateway in the ports|special options form. In the I/O device address for each of these devices you will need to enter it s unique device/station ID, configured in the PLC.

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