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All,We are using Honeywell Experion C300 controllers to interface with our VSD drives for our expansion project.We would be installing around 200 VSDs all supporting Modbus TCP/IP protocol.Honeywell Experion C300 controller can now talk peer to peer with the Modbus TCP/IP slaves. The only issue is that with current Experion C300, the controller can only have 8 Modbus TCP/IP masters talking to 8 Modbus TCP/IP slaves.We are looking for a device that can sit in the middle acting as a master for mutliple VSDs and slave for experion controller.Can someone please advise if such a device is available preferrably IDA tested?Regards,Syed Hussainsyed. hussain at wapl. com. au