A&D Company, Ltd. (headquarters: Toshima Ward, Tokyo, Representative Director and President: Yasunobu Morishima) has converted the RS-232C output for weighing instruments to Modbus RTU (RS-485), and released the AD-8551R, a Modbus converter that allows up to 31 weighing instruments to be connected to a PLC and other devices by multidrop.
Main Features of the AD-8551R Modbus Converter
- A converter that converts RS-232C communication from electronic balances and scales into RS-485 communication
- With RS-485, weighing data collection and management can be performed for up to 31 units can be performed on a single host device, such as a PLC or PC..
- Compact and attachable to a DIN rail
- Re-zero (zero-reset) processing for the weighing instrument can be can be performed from a PLC.
- In the RS-485 communication method, communication by Modbus RTU (Modbus RTU mode) or communication by ASCII code commands (command mode) can be selected.