Yokogawa PR300 Power and Energy Meter - Manual (Page 6)

TOC-1 IM 77C01E01-01E
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Model PR300 Power and Energy Meter
IM 77C01E01-01E
Contents
Introduction.................................................................................................................... i
Notices ..................................................................................................................... ii
Checking the Package ................................................................................................ iii
■ Checking the Model and Suffix Codes ...................................................................................... iii
■ Checking the Accessories ......................................................................................................... iv
Chapter 1 Installation and Wiring
1.1 Installation with the ANSI 4-inch Round Form or JIS 110-square Instrument Size ............ 1-1
External Dimensions ................................................................................................................... 1-1
Panel Cutout Dimensions ........................................................................................................... 1-1
Mounting Method ......................................................................................................................... 1-2
1.2 Installation with the DIN 96-square Instrument Size .......................................................... 1-3
External Dimensions ................................................................................................................... 1-3
Panel Cutout Dimensions ........................................................................................................... 1-3
Mounting Method ......................................................................................................................... 1-4
1.3 Wiring .................................................................................................................................. 1-5
Crimping Terminal Recommendations ........................................................................................ 1-5
Single-phase two-wire system (voltage input, current input, power supply) ............................. 1-6
Single-phase three-wire system (voltage input, current input, power supply) ........................... 1-6
Three-phase three-wire system (voltage input, current input, power supply) ........................... 1-6
Three-phase four-wire system (voltage input, current input, power supply) ............................. 1-7
Three-phase four-wire system (2.5 element) (voltage input, current input, power supply) ....... 1-7
Other Wiring ................................................................................................................................ 1-8
1.4 Attaching the Dust Cover and Terminal Cover ................................................................... 1-9
Chapter 2 Preparations before Starting Measurement (Set up the PR300 First)
2.1 Component Names and Functions ..................................................................................... 2-1
2.2 Setting the Phase and Wire System ................................................................................... 2-2
Range of Phase and Wire System Options ................................................................................ 2-3
2.3 Setting the Voltage Range .................................................................................................. 2-4
Range of Voltage Range Options ............................................................................................... 2-5
Chapter 3 Parameter Setting Operations
3.1 Basic Parameter Setting Operations .................................................................................. 3-1
Methods of Changing Parameter Setpoints ............................................................................... 3-1
3.2 Setting the VT and CT Ratios ............................................................................................. 3-2
Setting the VT Ratio .................................................................................................................... 3-2
Setting the CT Ratio .................................................................................................................... 3-3
3.3 Setting the Integrated Low-cut Power ................................................................................. 3-4
3.4 Setting RS-485 Communication Conditions ....................................................................... 3-6
3.5 Setting Ethernet Communication Conditions ...................................................................... 3-8
3.6 Setting Pulse Output Conditions ....................................................................................... 3-10
3.7 Setting Analog Output Conditions ..................................................................................... 3-12
Relationship between Scale Values and Measurement Inputs (Example) .............................. 3-13
3.8 Setting Demand Measurement Conditions ....................................................................... 3-14
3.9 Setting the Measured Value Display Pattern .................................................................... 3-16
3.10 Setting the “Indicator-out” Mode and Locking Parameters ............................................... 3-19
Setting the Indicator-out Mode .................................................................................................. 3-19
Locking and Unlocking Parameters .......................................................................................... 3-20