The module MR-SM3 Modbus RTU is a smart meter component for building automation. Current, voltage, power and many other values can be captured by three 230 Volt current circuits. In addition, the device provides monitoring functions of for example asymmetry, phase failure, phase sequence, overvoltage and undervoltage. These values can be queried via a Modbus-Master.
Modbus RTU, RS485 (two-wire bus), Supply voltage 20 V to 28 V AC/DC
|Voltage (U)||3x 184 to 265 V|
|Frequency||50 Hz / 60 Hz|
|Current (I)||16 A|
|Apparant ohmic resistance||1,2 VA (on DC)|
|Temperature||-5 ... +55°C|
|Transmission rate||1200 to 115200 baud|