ABB M1M 20 - 3 Technical Characteristics; Description of the Device; Main Functionalities; Versions

88 M1M 20 POWER METER USER MANUAL
3.Technical characteristics
3.1.Description of the device
M1M series can help users accurately monitor energy efficiency while meeting their cost control
requirement.
Conforming to the international electric energy metering and monitoring accuracy standards, all M1M
series products are perfectly suitable for ABB electrical systems and solutions.
3.2.Main functionalities
Real-time Measurement
TRMS Current •
TRMS Voltage •
Frequency •
Active, Reactive and Apparent Power •
Power Factor •
Operating timer, countdown timer •
Energy
Active, Reactive and Apparent Energy •
Four-quadrant (Import/Export) •
Power quality
THD (I, V) •
Neutral current Calculated
Data recording and logs
Alarms 15
Warnings, alarms and errors logs •
3.3.Versions
Product Name I/O Communication protocol
M1M 20 I/O
2 digital inputs,
2 digital outputs
Modbus RTU
M1M 20 MODBUS - Modbus RTU
M1M 20 ETHERNET - Modbus TCP/IP
M!M 20 - -