Type

APM810

Measured
parameters

Total electrical measurement

Four-quadrant energy

Pulse output of
energy

Pulse output of active/reactive energy

Demand

Three-phase current, active power, reactive power, real-time demand of apparent power, and maximum demand (including time stamp)

Extreme
value statistics

Extremum of current, line voltage, phase voltage, active power, reactive power, apparent power, power factor, frequency, total harmonic of current, total harmonic of voltage in this month and last month (including time stamp)

Power quality

Unbalance of current, line voltage, phase voltage

Voltage phase angle, current phase angle

Voltage current phase Angle

Total (odd, even) harmonic content of voltage and current

Harmonic content of voltage and current (2-63 times)

Voltage crest factor

Telephone waveform factor

Current K-factor

Alarm records

A total of 66 kinds of alarm types, each type can record the
most recent 16 alarm records, support extended records by
TF card

Event log

Record the most recent 128 event records, support extended
records by TF card

Communication

Modbus - RTU protocol

I/O

2 digital inputs + 2 digital outputs (2DI+2DO)

Multiple rate

The multi-rate energy statistics include total, sharp, peak, flat, valley and near-month multi-rate electricity

Extensions

MD82

8 digital inputs + 2 digital outputs with changeover contacts (8DI+2DO)

MLOG

TF card storage (alarm records, event records, electrical parameters and energy timing records, etc.)

MA84

8 analog inputs (class 0.5) + 4 analog outputs (class 0.5) (8AI+4AO)

MCM

1 RS485/Modbus-RTU, support master mode or slave mode

MCP

1 Profibus-DP，Configure this function to give MCM function, referred to as MCMP for short.

MCE

1 Ethernet, support Modbus-TCP, http, SMTP, DHCP protocol，Configure this function to give MCM
function, referred to as: MCME