ICP DAS MDC-700 series Modbus data concentrators

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ICP DAS’s MDC-700 series Modbus data concentrators perform predefined Modbus/RTU commands to read/write data from/to the Modbus/RTU slave devices via RS-232/485.

The product mirrors the data of the slave devices to its own shared memory. It also accepts up to eight Modbus/TCP masters to directly read/write data from/to the shared memory instead of polling each Modbus/RTU slave device one by one. Not only does this make the data on the RS-232/485 sharable to multiple Modbus/TCP masters, it should also shorten the time to read/write data from/to multiple Modbus/RTU slave devices.

The series provides a built-in web server to ease the configuring and provide clear information for the performed results of each Modbus/RTU command on the RS-232/485. It can perform up to 250 polling definitions. The internal shared memory has four tables to store the polled AI, AO, DI and DO data; each table can store up to 9600 registers.