... software.4) Power supply:+12V OR 24V/30mA,etc..5) Communication :RS232 or RS485 Modbus RTU protocol,connectable with PLC.6) ... DS8-IRRB DS8-RRR,etc.7) Used in 2-wire transmitter,pressure sensor,weighing sensor,thermocouple,resistance,remote voltage ... can manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, ...