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ModBUS communication interface

Date added: 14.02.2022

It is used for data transfer between the Unima-BUS (RS-485) on the ModBUS-RTU (RS-485) respectively ModBUS-TCP (ethernet). Using this bridge, any data from the ModBUS bus can be transferred in both directions to any device or IO module connected to the Unima-BUS without this device having its own ModBUS interface. The RTU bridge supports both slave and master mode, so it is possible not only to passively pass data from any UNIMA-KS device (control system, I / O module, ignition, etc.) to the superior system, but also to actively read values from ModBUS sensors, for example. The TCP bridge supports slave mode only.