How to connect two Modbus TCP Master devices?

Data exchange between two Modbus master devices requires a gateway that can support a master-master mode.

For the data exchange between two master devices, MGate 5109 is required. It supports a master-master mode. In this mode, the gateway will work as a slave device for both sides. One master device can record data on the gateway internal memory, the other one can, thus, receive it ensuring communication.