Smart Motor Control and Protection Solution

Function

ARD2/

ARD2L

ALP300

ARD2F

ARD3

ARD3T

ARD3M

Application

Low voltage 0.4kv-1.14kv motor protection

Protective function

Start timeout

√

Overload

√

Underload

√

Short circuit

√

Blocking

√

Stall

√

Unbalance

√

External Fault

■

■

■

√

√

√

Insulation Fault

√

OverVoltage

√

■

■

■

√

Undervoltage

√

■

■

■

√

Phase Failure

√

√

√

√

√

√

Phase Sequence

■

■

■

√

OverPower

■

■

■

√

UnderPower

■

■

■

√

tE time

■

■

■

√

Loss of pressure (anti-shake)

■

■

■

■

4-20mA input protection

■

Ground

√

Leakage

■

Communication function

ModbusRTU

■

■

■

■

√

Double ModbusRTU

■

■

■

√

Profibus DP

■

■

■

■

Doubel Profibus DP

■

Profinet

■

Modbus TCP

■

Switch input

2

2

9

9

8

10

Relay output

4

4

5

5

7

6

Start control

■

√

√

√

4-20mA analog output

■

Record

■

■

■

√

■

Operational information record

√

√

Logic function

√

√

Parameter measurement

Three-phase current

√

Leakage current

■

Three-phase voltage

■

■

■

√

Power, power factor

■

■

■

√

Frequency

√

√

√

√

Electric energy

■

■

■

√

PTC/NTC

■

■

√

√

4-20mA input

■

Temperature measurement module

■