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PMC72S 3 Phase Multifunctional Power Meter

Item No.: 00004
PMC72S 3 Phase Multifunctional Power Meter is a multi-functional power measurement and control instrument, which integrates data acquisition and control functions. The series of products are widely used in power monitoring systems.
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Description Technical Parameters Installation Wiring Ordering Information
1、 Product features
  a.22 bit AD is used to realize full power parameter measurement and power metering, with wide dynamic range and high accuracy;
  b.Electric parameter out of limit alarm online monitoring, relay related alarm output;
  c.Support 2-way DI/DO, power pulse output;
  d.Support MODBUS-RTU standard protocol and RS485 communication.
2、 Product Overview
      PMC72S 3 Phase Multifunctional Power Meter  adopts pen segment LCD screen, which is simple and beautiful with high contrast; With the high-speed processor as the core, 22 bit AD is used to realize the full power parameter measurement, which has a wide dynamic range and high accuracy. Multi way switch value relay and RS485 communication module can be selected to meet various functional needs of users; It can easily realize the integration with various intelligent power distribution systems. The product has practical functions, is practical and simple, and is easy to maintain. It can be used to monitor and control the status of field equipment, provide measurement support for power application experts, provide data basis for SCADA and smart grid, and provide decision-making basis for efficient and intelligent power management.
3、 Application scenarios
             a.Industrial distribution automation system          b.Energy efficiency management system
             c.Substation automation system                            d. Electrical engineering of intelligent building
             e.Power plant auxiliary power system                     f.High and low voltage switchgear

Electrical characteristics

Measure Type

3P3W ACsystem,3P4W ACsystem

Sampling rate

128 points per cycle

Data refresh rate

1S

Measure accuracy

Current

±0.2%FS

Voltage

±0.2%FS

Power

0.5S

Frequency

±0.001Hz

Active Energy

 0.5S

Reactive Energy

 1.0S

DC input(AI)

0.5% FS

DC output(AO)

0.5% FS

Input voltage characteristics

Measure Voltage

3 *220/380V(Directly input)

3 * 57.7/100V(PT secondary side)

Allowed overload capability

1.2 times/continuous

Input resistance

300KΩ/phase

Input current

characteristics

Measure current

5A (CT Secondary side)Or 1A (CT Secondary side)

Allowed Overload

capability

1.2 times/continuous

Input resistance

<0.1Ω

Binary input

Working valtage

15 VDC

Input resistance

12KΩ

Isolationvaltage

2KV

Relay Output

Node type

Mechanical contact

Node capability

220 VAC/5A30 VDC/5A

4-20mA

DC input

measurement

Measure current

4-20mA

Allowed Overload

capability

1.2 times/continuous

Input resistance

10Ω

Isolation voltage

2KV

0-5V

DC input

measurement

Measure voltage

0-5V

Allowed Overload

capability

1.2 times/continuous

Input resistance

12.5KΩ

Isolation voltage

2KV

4-20mA

DC output

Open-circuit

15VDC

Load capability

600Ω

Isolation voltage

2KV

Power supply

AC

85~264 VAC/45-65Hz

DC

100~375 VDC

Power consumption

< 3W

Mechanical performance

weight

<0.5kg

IP protection Level

Meter Panel IP52

Meter Host IP30

Dimension

Host

75 X 75 X 113 mm

Working

temperature

Display screen

-20~70

Meter

-25~70

Storage

temperature

Meter+display screen

-40~85

Relative humidity

5% - 90%RHNo condensation

EMC

Antistatic

discharge interference

IEC 61000-4-2,Level 4

Anti-fast

transient group pulse

IEC 61000-4-4,Level 4

Anti-surg

IEC 61000-4-5,Level 3

Resistance to power frequency magnetic field

IEC 61000-4-8,Level 3

Electrical insulation performance

Insulation resistence

GB/T13729>50MΩ

Power frequency withstand

GB/T13729AC 3KV 50Hz /1min

Impulse voltage

GB/T137295KV1.2/50us

Installation

1.Outer Dimension of PMC72S Multifunctional Power Meter as below chart (1):

                               

Chart(1)PMC72S outer dimension and hole size for installation (mm)

2. Insert the PMC72S meter into the hole of 67mm X 67mmand then fasten the PMC72S meter with the , as below Chart (2)

                                                       Chart(2) PMC72S Installation instructions
Wiring
Terminal and Marker

Back label,as chart (3):

Chart(3) Wiring Terminal and Marker

Terminal signal :

Code

Name

Description

12

L/+N/-

Working power supply input

34

RL1+RL1-

Relay 1 output

56

A+A-

AI/AO signal input/output

7

S1

Switch 1 input

8

S2

Switch 2 input

9

SG

Switch value input common terminal

1011

-

Reserved

1213

AB

RS458 communication port

14

V1

A Phase voltage input

15

V2

B Phase voltage input

16

V3

C Phase voltage input

17

Vn

Vn (Un) input

1819

I1+I1-

A Phase current input

2021

I2+I2-

B Phase current input

2223

I3+I3-

C Phase current input

System Wiring Type

    When the measuring voltage is less than or equal to 264v (phase) / 456v (line),can be directly connected without external PT. Otherwise, it must be connected with external PT.The meter supports a variety of measurement wiring modes, which are described in the following Chart.

                                   
               
Chart (4) 3 phase/4 line wiring system,No PT,3CT        Chart (5) 3 phase/4 line wiringsystem,3PT,3CT
                            
           
   Chart (6) 3 phase/3 line wiring system,No PT,3CT             Chart(7)3 phase/3 line wiring system,No PT,2CT

                              
               
    Chart (8) 3 phase/3 line wiring system,2PT,3CT               Chart (9) 3 phase/3 line wiring system,2PT,2CT 

 

Note: The fuse in above charts should be rated at 250mA fuse.                                           

PMC72S Guide for selection of power parameter measurement and control instrument

Model specificationPMC72S-----

Model code

1

57.7/100V Rated measurement voltage5A Rated measurement current

2

57.7/100V Rated measurement voltage1A Rated measurement current

3

220/380V Rated measurement voltage5A Rated measurement current

4

220/380V Rated measurement voltage1A Rated measurement current

Model code

1

Power supply85~264 VAC/45-65Hz100~300 VDC

Model code

0

Without DI

2

2 Channels DI

Model code

0

Without relay output

1

Optional 1 Channel relay output

Model code

ab

ab is a 2 integer,a means AI01 port optional for AI/AO modules,b means AI02 port optional for AI/AO

0none

1 -0-5VDCanaloginputmeasure(AI)

2 -4-20mA DC analog input measure(AI)

3 -4-20mA DC analog output(AO)For example:ab=00,Means AI01 port is not equipped with AI/AO module,AI02 port is not equipped with AI/AOmodule

ab =01,Means options 0-5V DC analog input measure;

For exampleOrder modelPMC72S-3-1-2-1-02

Means PMC72S rated measure 220/380V5Aworking power supply as 85~264 VAC/45-65Hzoptional with 2channels binary input(DI)1channels relay output1channel 4-20mA DC analog input measure (AI01 port),1 channel 4-20mA DC analog input measure(AI02 port)