Yokogawa PR300 Power and Energy Meter User Manual

User’sManualIM 77C01E01-01EModel PR300Power and Energy MeterIM 77C01E01-01E4th Edition

1-3IM 77C01E01-01E112345AIInstallation and Wiring1.2 Installation with the DIN 96-square InstrumentSizeExternal DimensionsMounting bracket(2 places)10

1-4IM 77C01E01-01E1.2 Installation with the DIN 96-square Instrument Size● Do not install the PR300 in the following types of environments, as they ma

1-5IM 77C01E01-01E112345AIInstallation and Wiring1.3 WiringWARNING● As there is a danger of electric shock, turn off the power supply and check that t

1-6IM 77C01E01-01E1.3 WiringSingle-phase two-wire system (voltage input, current input, power supply)12 345678910111213141516171819202122232425abcdefL

1-7IM 77C01E01-01E112345AIInstallation and Wiring1.3 WiringThree-phase four-wire system (voltage input, current input, power supply)123456789101112131

1-8IM 77C01E01-01E1.3 WiringOther Wiring12345678910111213141516171819202122232425abcdefColorDescriptionColorDescriptionLink LEDOffStoppedActive LEDOff

1-9IM 77C01E01-01E112345AIInstallation and Wiring1.4 Attaching the Dust Cover and Terminal CoverWARNINGAs there is a danger of electric shock, do not

Preparations before Starting Measurement (Set up the PR300 First)2-1IM 77C01E01-01E12345AIChapter 2 Preparations before Starting Measurement (Set up t

2-2IM 77C01E01-01E2.2 Setting the Phase and Wire SystemThis section explains how to set the phase and wire system by taking as an example the case whe

Preparations before Starting Measurement (Set up the PR300 First)2-3IM 77C01E01-01E12345AI2.2 Setting the Phase and Wire SystemMeasured Value screenSt

iIM 77C01E01-01EIntroductionThank you for purchasing the PR300 Power and Energy Meter.This manual provides information about the procedure for install

2-4IM 77C01E01-01E2.3 Setting the Voltage RangeThis section explains how to set the voltage range by taking as an example the case when the voltageran

Preparations before Starting Measurement (Set up the PR300 First)2-5IM 77C01E01-01E12345AI2.3 Setting the Voltage RangeHold down for at le

Parameter Setting Operations3-1IM 77C01E01-01E12345AIChapter 3 Parameter Setting Operations3.1 Basic Parameter Setting OperationsNOTESet parameters on

3-2IM 77C01E01-01E3.2 Setting the VT and CT RatiosSetting the VT RatioThis section explains how to set the VT ratio by taking as an example the case w

Parameter Setting Operations3-3IM 77C01E01-01E12345AI3.2 Setting the VT and CT RatiosSetting the CT RatioThis section explains how to set the CT ratio

3-4IM 77C01E01-01E3.3 Setting the Integrated Low-cut PowerThis section explains how to set the integrated low-cut power by taking as an example the ca

Parameter Setting Operations3-5IM 77C01E01-01E12345AI3.3 Setting the Integrated Low-cut PowerParameter Setting Types and RangesParameter Symbol Parame

3-6IM 77C01E01-01E3.4 Setting RS-485 Communication ConditionsThis section explains how to set RS-485 communication conditions by taking as an example

Parameter Setting Operations3-7IM 77C01E01-01E12345AI3.4 Setting RS-485 Communication ConditionsNOTE● The Modbus/TCP protocol can only be selected for

3-8IM 77C01E01-01EFor the PR300 with Ethernet communication function only3.5 Setting Ethernet Communication ConditionsThis section explains how to set

iiIM 77C01E01-01ENotices Regarding This User’s Manual• This manual should be passed on to the end user. Keep the manual in a safe place.• Read this ma

Parameter Setting Operations3-9IM 77C01E01-01E12345AI3.5 Setting Ethernet Communication ConditionsSet the settings of parameter to ON and

3-10IM 77C01E01-01EFor the PR300 with pulse output function only3.6 Setting Pulse Output ConditionsThis section explains how to set pulse output condi

Parameter Setting Operations3-11IM 77C01E01-01E12345AI3.6 Setting Pulse Output ConditionsNOTEIf the pulse unit and ON pulse width do not satisfy the f

3-12IM 77C01E01-01EFor the PR300 with analog output function only3.7 Setting Analog Output ConditionsThis section explains how to set analog output co

Parameter Setting Operations3-13IM 77C01E01-01E12345AI3.7 Setting Analog Output ConditionsTo change the upper limit of scaling, set a new limit usingt

3-14IM 77C01E01-01EFor the PR300 with demand measurement function only3.8 Setting Demand Measurement ConditionsThis section explains how to set demand

Parameter Setting Operations3-15IM 77C01E01-01E12345AI3.8 Setting Demand Measurement ConditionsDemand Alarm Point screen1112141513Demand Alarm Release

3-16IM 77C01E01-01E3.9 Setting the Measured Value Display PatternThis section explains how to set the measured value display pattern by taking as an e

Parameter Setting Operations3-17IM 77C01E01-01E12345AI3.9 Setting the Measured Value Display PatternDisplay Pattern-1 Upper Display screenDisplay Patt

3-18IM 77C01E01-01E3.9 Setting the Measured Value Display PatternParameter Setting Types and Ranges (Continued)Voltage-2Voltage-3Current(phase switch

iiiIM 77C01E01-01E Force Majeure• Yokogawa does not make any warranties regarding the product except those mentioned in theWARRANTY that is provided s

Parameter Setting Operations3-19IM 77C01E01-01E12345AI3.10 Setting the “Indicator-out” Mode and LockingParametersSetting the Indicator-out ModeThis se

3-20IM 77C01E01-01E3.10 Setting the “Indicator-out” Mode and Locking ParametersParameter Setting Types and RangesDisplay setting menuIndicator-out mod

Operation for Display of Measurement Items and Measurement Method4-1IM 77C01E01-01E12345AChapter 4 Operation for Display of Measurement Items and Meas

4-2IM 77C01E01-01E4.2 Switching Display PatternAccording to Display patterns-1 to 8, the PR300 can change the measurement items to be assigned tothe u

Operation for Display of Measurement Items and Measurement Method4-3IM 77C01E01-01E12345A4.3 Displaying Measured, Instantaneous, andMaximum/Minimum Va

4-4IM 77C01E01-01E4.3 Displaying Measured, Instantaneous, and Maximum/Minimum ValuesExample Display and Measuring Ranges of VoltageVoltage-2Voltage-1V

Operation for Display of Measurement Items and Measurement Method4-5IM 77C01E01-01E12345A4.3 Displaying Measured, Instantaneous, and Maximum/Minimum V

4-6IM 77C01E01-01E4.4 Phase Switching for Voltage and CurrentUsing an operation key ( ) of the PR300, the user can switch the phase of voltage, curren

Operation for Display of Measurement Items and Measurement Method4-7IM 77C01E01-01E12345A4.5 Displaying Energy ValuesThis section explains the measuri

4-8IM 77C01E01-01E4.5 Displaying Energy ValuesOperation for Energy Value DisplayFor all measurement ranges of active energy, regenerative energy, LEAD

ivIM 77C01E01-01EChecking the AccessoriesModel PR300Power and Energy Meter<Initial Setup Operations>Model PR300Power and Energy Meter<Install

Operation for Display of Measurement Items and Measurement Method4-9IM 77C01E01-01E12345A4.5 Displaying Energy ValuesOptional Integrating FunctionThe

4-10IM 77C01E01-01E4.6 Resetting Measured ValuesResetting Maximum and Minimum ValuesOperationOperationSimultaneously hold down and

Operation for Display of Measurement Items and Measurement Method4-11IM 77C01E01-01E12345A4.6 Resetting Measured ValuesCanceling Reset Item Selection

4-12IM 77C01E01-01E4.7 Demand Measurement (Optional MeasuringFunction)The PR300 (with the demand measuring function) can measure the average power or

Operation for Display of Measurement Items and Measurement Method4-13IM 77C01E01-01E12345A4.7 Demand Measurement (Optional Measuring Function)Operatio

4-14IM 77C01E01-01E4.7 Demand Measurement (Optional Measuring Function)Demand AlarmDemand alarm outputFunction: When the set demand alarm point is exc

Troubleshooting5-1IM 77C01E01-01E12345A5.1 Error Display and Recommended ResponseFailure at the Time of Turning on the Power and during OperationRecom

5-2IM 77C01E01-01E5.2 MaintenanceCleaningThe front panel and operation keys should be gently wiped with a dry cloth.NOTEDo not use alcohol, benzine, o

AppendixA-1IM 77C01E01-01E12345AAppendixAppendix 1 Specifications of PR300Measuring FunctionActive energy (regenerative energy)The active power up to

A-2IM 77C01E01-01EAppendix 1 Specifications of PR300*: The setting of the voltage range can be changed.**: The primary voltage of VT.Power Items an

TOC-1IM 77C01E01-01E112345AIModel PR300 Power and Energy MeterIM 77C01E01-01EContentsIntroduction...

AppendixA-3IM 77C01E01-01E12345AAppendix 1 Specifications of PR300Digital Input SpecificationsIt is used for control signals for optional integrati

A-4IM 77C01E01-01EAppendix 1 Specifications of PR300Demand Alarm Output Specifications (optional measuring function)When the demand measurement val

AppendixA-5IM 77C01E01-01E12345AAppendix 1 Specifications of PR300Example of connection diagram(SG)(SG)(SG)(Bⴙ)(Aⴚ)(Bⴙ)(Aⴚ)(FG)TerminatorRS-485RS-4

A-6IM 77C01E01-01EAppendix 1 Specifications of PR300Modbus/TCP functionCode03060816FunctionReads data from multiple D registersWrites data into D r

AppendixA-7IM 77C01E01-01E12345AAppendix 1 Specifications of PR300Insulation resistance Between each of the voltage input, current input, power, gr

A-8IM 77C01E01-01EAppendix 1 Specifications of PR300Environmental ConditionsNormal operating conditionsWarm-up time At least 30 minutesAmbient temp

AppendixA-9IM 77C01E01-01E12345AAppendix 2 System ResetThere are two methods of performing system reset:• Turn off the power of the PR300 and then tur

A-10IM 77C01E01-01EAppendix 3 Parameter MapSome of the following parameters cannot be displayed due to the specifications of the PR300.To move to the

AppendixA-11IM 77C01E01-01E12345AAppendix 3 Parameter Setting Procedure15-16-17-18-19-19-29-39-49-59-79-69-89-99-109-119-129-139-149-159-169-179-189

A-12IM 77C01E01-01EAppendix 4 Parameter ListParameterSymbolDisplay OrderParameter Name MEMOSetting TypeSetting Range (Details)Initial Value(Factory-se

TOC-2IM 77C01E01-01EChapter 4Operation for Display of Measurement Items and Measurement Method4.1 Measurement Items ...

AppendixA-13IM 77C01E01-01E12345AAppendix 4 Parameter List5-85-95-105-115-125-135-1466-16-26-377-17-27-388-100000502Menu to shift to the parameters

A-14IM 77C01E01-01EAppendix 4 Parameter List8-28-38-48-599-19-29-39-49-59-69-79-89-99-109-119-129-139-149-159-169-179-181001Current(phase switch in

AppendixA-15IM 77C01E01-01E12345AAppendix 4 Parameter List9-199-209-219-229-239-249-259-269-27Voltage(phase switch indication)FrequencyCurrent(phase

A-16IM 77C01E01-01EAppendix 5 Alphanumeric Characters Table for7-segment LEDThe PR300 uses a 7-segment LED as its display. It displays alphanumeric ch

Index-1IM 77C01E01-01E12345AIIndexIndexIndexAAnalog output conditions setting ... 3-12CComponent names and functio

Index-2IM 77C01E01-01EWWiring diagramSingle-phase two-wire system ... 1-6Single-phase three-wire system ...

YOKOGAWA ELECTRIC CORPORATIONHeadquarters2-9-32, Nakacho, Musashino-shi, Tokyo, 180-8750 JAPANBranch Sales OfficesNagoya, Osaka, Hiroshima, Fukuoka, S

1-1IM 77C01E01-01E112345AIInstallation and WiringChapter 1 Installation and Wiring1.1 Installation with the ANSI 4-inch Round Form orJIS 110-square In

1-2IM 77C01E01-01E1.1 Installation with the ANSI 4-inch Round Form or JIS 110-square Instrument Size● Do not install the PR300 in the following types