Product Overview M0313 module makes it possible to convert Modbus RTU protocol directly to FF H1 protocol. Using M0313 module, the difficulty of development can be reduced and the upgrade of Modbus RTU device can be easily achieved. Only by simply configuration, the users can realize conversion from Modbus RTU protocol to FF protocol. M0313 module is provided with two LED indicating lights, used to indicate the current working status. Features Support 1 Modbus RTU slave device 1 RES function block complying to FF specification 1 Modbus transducer block 4 PID function blocks complying to FF specification 4 for each AI,AO,DI,DO function block complying to FF specification, each function block supports 8 channels Modbus RTU device upgrading LED working status indicator