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Multifunction Panel Meter

PD7777-S4 series three phase digital multi-functional meter Summary: As a new generation of programmable intelligent instrument, PD7777-□S4 series three phase digital multi-functional meter is designed for the demand of power monitoring and electric energy measurement including power system,...

Product Details

PD7777-S4 series three phase digital multi-functional meter

Summary: 

As a new generation of programmable intelligent instrument, PD7777-□S4 series three phase digital multi-functional meter is designed for the demand of power monitoring and electric energy measurement including power system, communication industry and construction industry, integrated with measurement and communication, mainly applied into real-time measurement and indication for the electrical parameters such as voltage, current, active power, negative power, frequency, power factor, four-quadrant energy, realizing networked through RS485 communication interface and external device.


1. Main functions and characteristics:

◆It can measure three phase current, voltage, active/reactive power, power factor, frequency, positive/negative active energy, four-quadrant reactive energy.

◆With the standard RS-485 communication interface, adopting the  standard ModBus-RTU communication protocol and the baud rate can be set with switch quantity input function.

◆Function extension: four-way analog quantity output function; four-way switch quantity output function ("remote-communication" and "remote control" functions)

◆Parameters such as the current/voltage ratio, indication mode for electrical quantity, the of the meter, electric quantity display mode, communication address of the meter, baud rate, transmitting output object, transmitting output range, alarming object, alarming upper/lower limit, etc. can be randomly programmed and set.

 

2. Model specification and selection description:

(unit: mm)

Model

Measurement display

Energy

Power pulse

RS485 communication

Analog quantity output

Switch quantity output

Switch quantity input

External
     size

Display
     mode

voltage

current

Active power

Reactive power

Power factor

Frequency

Active energy

Reactive energy

PD7777-2S4

72×72

 

 

3 line 4 digit LED display

PD7777-2SK4

72×72

PD7777-3S4

96×96

PD7777-3SK4

96×96

PD7777-3SB4

96×96

PD7777-6S4

80×80

PD7777-6SK4

80×80

PD7777-8S4

120×120

PD7777-8SK4

120×120

PD7777-8SB4

120×120


Note: 

●means the intrinsic functions of the instrument 

Analog quantity output function, and switch quantity output function (alarm) can be added according to the clients' needs.


3.Main technical performance and parameters:

Technical parameters

index

Connection mode

Three phase three wire or three phase four wire optional

 

 

Input

 

Voltage

Rated value

AC100V, 220V, 450V

Overload

Continuous: 1.2 times, instant: 2 times/5s

Consumption

≤2VA(each phase)

Resistance

>500kΩ

 

Current

Rated value

AC1A, 5A

Overload

Continuous: 1.2 times, instant: 10 times/5s

Consumption

≤1VA(each phase)

Resistance

<20mΩ(each phase)

Measuring rang of the frequency

45Hz-65Hz

 

 

 

 

 

Output

Display mode Measuring accuracy

3 line 4 digit LED or LCD display

Voltage  Class 0.5 Resolution 0.1V
Current  Class 0.5 Resolution 0.001A
Active power  Class 0.5  Resolution 1W

Reactive power Class 1.0 Resolution 1var
Power factor Class 0.5 Resolution 0.001
Frequency Class 0.5 Resolution 0.01Hz
Active energy Class 0.5 Resolution 0.01kWh
Reactive energy Class 2.0 Resolution 0.01kvarh
The unit can switch automatically, the decimals shift automatically

 

Electric energy

Energy measurement

Support positive/negative measurement active energy,four-quadrant measurement reactive energy.

Pulse constant

Active power: 10000imp/kWh, 

Reactive power:10000imp/kvarh

Pulse signal output

Provide  2 sets(active/reactive energy) of optical signal and optocoupler isolated

open collector electrical signal pulse output, pulse length:80ms±16ms

 

Communication

Mode

RS-485

Protocol

MODBUS-RTU

Baud rate

1200bps,2400bps, 4800bps, 9600bps, 19200bps, assumed to be 9600bps

Switch quantity output(*)

Support 4-way relay-state output, relay contact capacity:AC250V/2A, DC30V/2A(-2,-6 only has 2-way)

Analog quantity output(*)

Current output: DC0mA~20mA, DC0mA~20mA, DC4mA~20mA,Class 0.5(-2, -6 without this function)

Switch quantity input

4-way passive dry node input mode(-2,-6 can only be configured 2-way)

Working power supply

Range

AC/DC85V~264V

Consumption

≤15VA


Note: 

1. the items marked * are optional, which shall be specified by the customers when ordering.

2. Used for wind power, PV new energy project, the voltage measuring range over 450V can be especially custom-made.


PD7777-S3 series three phase digital multi-functional meter

Summary: 

As a new generation of programmable intelligent instrument, PD7777-S3 series three phase digital multi-functional meter is designed for the demand of power monitoring and electric energy measurement including power system, communication industry and construction industry, integrated with measurement and communication, mainly applied into real-time measurement and indication for the electrical parameters such as voltage, current, active power, negative power, frequency, power factor, four-quadrant energy, realizing networked through RS485 communication interface and external device.


1. Main functions and characteristics:

◆It can measure three phase current, voltage, active/reactive power, power factor, frequency, positive/negative active energy, four-quadrant reactive energy.

◆With the standard RS-485 communication interface, adopting the  standard ModBus-RTU communication protocol and the baud rate can be set with switch quantity input function.

◆Function extension: Four-way analog quantity output function; four-way switch quantity output function ("remote-communication" and "remote control" functions)

◆Parameters such as the current/voltage ratio, indication mode for electrical quantity, the of the meter, electric quantity display mode, communication address of the meter, baud rate, transmitting output object, transmitting output range, alarming object, alarming upper/lower limit, etc. can be randomly programmed and set.

 

2. Model specification and selection description:

(unit: mm)

Model

Measurement display

Energy

Power pulse

RS485 communication

Analog quantity output

Switch quantity output

Switch quantity input

External
     size

Display
     mode

voltage

current

Active power

Reactive power

Power factor

Frequency

Active energy

Reactive energy

PD7777-2S3

 

 

72×72

 

 

LCD display

PD7777-2SK3

 

72×72

PD7777-3S3

 

 

96×96

PD7777-3SK3

 

96×96

PD7777-3SB3

 

 

96×96

PD7777-6S3

 

80×80

PD7777-6SK3

 

80×80

PD7777-8S3

 

 

120×120

PD7777-8SK3

 

120×120

PD7777-8SB3

 

120×120


Note: 

1.●means the intrinsic functions of the instrument;

2. All the meters can custom-made add "harmonic, demand, rate" functions, please choose the corresponding model with "+H" while ordering.

3. -2,-6 do not have analog quantity output function; -2,-6 can only be configured 2-way DI, DO function.

 

3. Main technical performance and parameters:

Technical parameters

index

Connection mode

Three phase three wire or three phase four wire    optional

 

 

Input

 

Voltage

Rated value

AC100V, 220V, 450V

Overload

Continuous: 1.2 times, instant: 2 times/5s

Consumption

≤2VA(each phase)

Resistance

>500kΩ

 

Current

Rated value

AC1A, 5A

Overload

Continuous: 1.2 times, instant: 10 times/5s

Consumption

≤1VA(each phase)

Resistance

<20mΩ(each phase)

Measuring rang of the frequency

45Hz-65Hz

 

 

 

 

 

Output

 

 

Display mode Measuring accuracy

3 line 4 digit LED or LCD display

Voltage  Class  0.5 Resolution 0.1V

Current  Class  0.5 Resolution 0.001A

Active power   Class 0.5  Resolution 1W

Reactive power  Class 1.0  Resolution 1var

Power factor   Class 0.5 Resolution 0.001

Frequency   Class 0.5   Resolution 0.01Hz

Active energy  Class 0.5  Resolution 0.01kWh

Reactive energy Class 2.0 Resolution 0.01kvarh

The unit can switch automatically, the decimals shift automatically

 

Electric energy

Energy measurement

Support positive/negative measurement active energy, four-quadrant measurement reactive energy.

Multi-rate energy(*)

Support multi-rate measurement function, max. 4 rates

Max. demand record(*)

Support positive, negative total active/reactive max.demand record, demand cycle and slip time can be set

Pulse constant

Active power: 10000imp/kWh, Reactive power: 10000imp/kvarh

Pulse signal output

Provide    2 sets(active/reactive energy) of optical signal and optocoupler isolatedopen collector electrical signal pulse output, pulse length:80ms±16ms

Harmonic(×)

Harmonic voltage(THDu)

Uh≥3%UN  5%Uh; Uh<3%UN  0.15%UN
Ih≥10%IN   ±5%Ih;      Ih<10%IN   0.15%IN
UN is the nominal voltage, IN is the nominal current, Uh is the harmonic voltage, Ih is the harmonic current.

Harmonic current(THDi)

 

Communication

Mode

RS-485

Protocol

MODBUS-RTU

Baud rate

1200bps, 2400bps, 4800bps, 9600bps, 19200bps, assumed to be 9600bps

Switch quantity output(*)

Support 4-way relay-state output, relay contact capacity:AC250V/2A, DC30V/2A(-2,-6 only has 2-way)

Analog quantity output(*)

Current output: DC0mA~10mA, DC0mA~20mA, DC4mA~20mA, Class 0.5(-2, -6 without this function)

Switch quantity input

4-way passive dry node input mode(-2,-6 can only be    configured 2-way)

Clock(×)

Battery capacity of the clock

≥200mAh

Accuracy of the clock (daily error)

≤0.5s/d(20℃)

Working power supply

Range

AC/DC85V~264V

Consumption

≤15VA


Note: 

1. The items marked * are optional, which shall be specified by the customers when ordering.

2. Used for wind power, PV new energy project, the voltage measuring range over 450V can be especially custom-made.


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