Energy Meter Manual
Table Of Contents
- Introduction
- Notices
- Checking the Package
- Checking the Model and Suffix Codes
- Contents
- Chapter 1 Installation and Wiring
- 1.1 Installation with the ANSI 4-inch Round Form or JIS 110-square Instrument Size
- 1.2 Installation with the DIN 96-square Instrument Size
- 1.3 Wiring
- Crimping Terminal Recommendations
- Single-phase two-wire system (voltage input, current input, power supply)
- Single-phase three-wire system (voltage input, current input, power supply)
- Three-phase three-wire system (voltage input, current input, power supply)
- Three-phase four-wire system (voltage input, current input, power supply)
- Three-phase four-wire system (2.5 element) (voltage input, current input, power supply)
- Other Wiring
- 1.4 Attaching the Dust Cover and Terminal Cover
- Chapter 2 Preparations before Starting Measurement (Set up the PR300 First)
- Chapter 3 Parameter Setting Operations
- 3.1 Basic Parameter Setting Operations
- 3.2 Setting the VT and CT Ratios
- 3.3 Setting the Integrated Low-cut Power
- 3.4 Setting RS-485 Communication Conditions
- 3.5 Setting Ethernet Communication Conditions
- 3.6 Setting Pulse Output Conditions
- 3.7 Setting Analog Output Conditions
- 3.8 Setting Demand Measurement Conditions
- 3.9 Setting the Measured Value Display Pattern
- 3.10 Setting the “Indicator-out” Mode and Locking Parameters
- Chapter 4 Operation for Display of Measurement Items and Measurement Method
- 4.1 Measurement Items
- 4.2 Switching Display Pattern
- 4.3 Displaying Measured, Instantaneous, and Maximum/Minimum Values
- Example Display and Measuring Ranges of Active Power (Regenerative Power)
- Example Display and Measuring Ranges of Reactive Power
- Example Display and Measuring Ranges of Apparent Power
- Example Display and Measuring Ranges of Voltage
- Example Display and Measuring Ranges of Current
- Example Display and Measuring Ranges of Power Factor
- Example Display and Measuring Ranges of Frequency
- How to Switch between Instantaneous Value, Maximum Value, and Minimum Value
- 4.4 Phase Switching for Voltage and Current
- 4.5 Displaying Energy Values
- 4.6 Resetting Measured Values
- 4.7 Demand Measurement (Optional Measuring Function)
- Chapter 5 Troubleshooting
- Appendix
- Appendix 1 Specifications of PR300
- Measuring Function
- Power Items and Equations
- Input Specifications
- Digital Input Specifications
- Analog Output Specifications (additional output function)
- Pulse Output Specifications (additional output function)
- Demand Alarm Output Specifications (optional measuring function)
- Communication Specifications
- Standard Performance
- Safety and EMC Standards
- Environmental Conditions
- Mounting and Shape
- Appendix 2 System Reset
- Appendix 3 Parameter Map
- Appendix 4 Parameter List
- Appendix 5 Alphanumeric Characters Table for 7-segment LED
- Appendix 1 Specifications of PR300
- Index
- A
- C
- D
- E
- H
- I
- M
- O
- P
- R
- S
- T
- V
- W
- Wiring diagram
- Single-phase two-wire system
- Single-phase three-wire system
- Three-phase three-wire system
- Three-phase four-wire system
- Three-phase four-wire system (2.5 element)
- Analog output
- Demand alarm output
- Demand alarm release
- Ethernet communication
- Integration control signal
- Palse output
- RS-485 communication
- Wiring diagram
Appendix
A-15
IM 77C01E01-01E
1
2
3
4
5
A
Appendix 4 Parameter List
9-19
9-20
9-21
9-22
9-23
9-24
9-25
9-26
9-27
Voltage
(phase switch
indication)
Frequency
Current
(phase switch
indication)
Active power
Power factor
Active power
Maximum
demand value
Demand value
Parameter
Symbol
Display
Order
Parameter Name MEMO
Setting
Type
Setting Range (Details)
Initial Value
(Factory-
set Value)
Display pattern-6 middle display
Display pattern-6 lower display
Display pattern-7 upper display
Display pattern-7 middle display
Display pattern-7 lower display
Display pattern-8 upper display
Display pattern-8 middle display
Display pattern-8 lower display
Refer to the previous page.
Selection
Current
(phase switch
indication)
Display pattern-6 upper display
Range of Phase and Wire System Options and Voltage Range Options
Phase and Wire System
Parameter
Symbol
Model and Suffix Codes
Parameter
Name
Setting
Type
Setting Range (Details) MEMO
Initial Value
(Factory-set
Value)
Phase and
wire system
Selection
Single-phase
two-wire system
Single-phase
three-wire system
Three-phase
three-wire system
Single-phase
two-wire system
Single-phase
three-wire system
Three-phase
three-wire system
Three-phase
four-wire system
Three-phase
four-wire system
(2.5 element)
Three-phase
three-wire
system
Three-phase
four-wire
system
Three-phase
four-wire system
(2.5 element)
Voltage Range
Parameter
Symbol
Parameter Name MEMOSetting Type Setting Range (Details)
Initial Value
(Factory-set
Value)
Voltage range
Selection
150V
300V
600V
300V