D119015 is single phase four module meter. It has RS485 communication, comply with the protocol DLT 645/MODBUS-RTU. There is built-in Relay in the meter. D119015 is popular for its new design, novel appearance and reasonable price.
Compaly with DIN EN50022 standard
1.RS485 ( DLT 645/MODBUS-RTU )
3.Built-in relay, RS485 communication to control the state of relay.