ページ1に含まれる内容の要旨
EPM 3000P
THREE-PHASE DIGITAL VOLT/AMPS MONITOR
EPM 3000P –F
THREE-PHASE VOLTS/AMPS/FREQUENCY MONITOR
Instruction Manual
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GE Industrial System
NORTH AMERICA
GE Industrial Systems, 41 Woodford Avenue, Plainville, CT 06062
Internet: http: www.geindustrial.com
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All Rights Reserved. Printed in the United States of America. NORTH AMERICA GE Industrial Systems, 41 Woodford Avenue, Plainville, CT 06062 Internet: http: www.geindustrial.com
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Customer Service and Support Customer service and support is available 24 hours a day, 7 days a week. Please have the model, serial number and a detailed problem description available. If the problem concerns a particular reading, please have all meter readings available. For customer or technical assistance, call: 1-888-GE4SERVICE (1-888-434-7378). Product Warranty GE warrants all products to be free from defects in material, workmanship and title and will be of the kind and qualit
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TABLE OF CONTENTS I N S T A L L A T I O N & O P E R A T I O N CHAPTER 1 MECHANICAL INSTALLATION 1 Installation of the EPM3000P with K-110 Option for limited space 1 conditions Standard Installation of the EPM3000P 1 Standard Cutout of EPM3000P 2 2 Communication Converter Installation or DC Output CHAPTER 2 ELECTRICAL INSTALLATION 3 Section 2.1 Connecting the Current Circuit 3 2.2 Connecting Voltage Circuit of Potential Transformer 3 2.3 Selecting the Voltage
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TABLE OF CONTENTS P R O G R A M M I N G CHAPTER 5 GENERAL PROCEDURE OVERVIEW 19 Section 5.1 How to Use This Portion of the Manual 19 5.2 Switch Packs 19 5.3 Programming Mode Entry 20 5.4 Standard Numeric Data Entry 20 CHAPTER 6 ENTERING THE PROGRAMMING MODE 21 Section 6.1 Checksum Error - Protective Mechanism 21 6.2 Password Entry 21 CHAPTER 7 PROGRAMMING GROUP 0: GLOBAL METER SETUP 22 Section 7.1 The Integration Interval 22 7.2 The Meter Address 23 7.3 Communication Ba
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INSTALLATION & OPERATION CHAPTER 1 MECHANICAL INSTALLATION The following diagrams display the various possible EPM3000P and EPM3000P-F mechanical installations and Communication Converter installation. All illustrations are of the EPM3000P with notes on the F Model. NOTE: ALL MEASUREMENTS ARE IN INCHES. 36" CABLE 3.00 0.80 AC VOLTS A B C A B C N N N B C A 4.50 SQ. AC AMPS A B N C 0.336 MAX MIN LM1 LM2 2.45 MAX/MIN PRINT PHASE VOLTS AMPS LIMITS PROG NEXT 2.425 4.375 (4) 8-32 SCR
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Chapter 1 Mechanical Installation SIDE VIEW FIRST PUT (16) PIN (4) 8-32 SCREWS CONNECTOR TOGETHER. 0.80 (2) 8-32 SCREWS WILL LINE UP WITH 2 PEMS ON THE BACK PLATE. RECOMMENDED CUTOUT 0.198 DIA. 1.6875 4.0 DIA. 3.375 1.6875 3.375 BACK VIEW Diagram 1.3 Standard cutout for EPM3000P. W Port Diagram 1.4 Optional Communication Converter or DC Output Module Installation NOTE: CAREFULLY LINE UP THE GUIDE SCREW AND 8 PIN PORT CONNECTOR TO PREVENT PINS FROM BREAKING. 2 GE Industri
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CHAPTER 2 ELECTRICAL INSTALLATION 2.1 CONNECTING THE CURRENT CIRCUIT The cable used for the current should be installed at 600V AC minimum. The cable connector should be rated at 6 Amps or greater, and it should have a cross-sectional area of 16 AWG. The current transformers should be mounted as close as possible to the meter. The following table gives the maximum recommended distances for various CT sizes, assuming the connection is made via 16 AWG cable. CT SIZE (VA) MAXIMUM DIS
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Chapter 2 Electrical Installation 2.5 ELECTRICAL CONNECTION INSTALLATION Choose the diagram that best suits your application and maintain the polarity. Follow the outlined procedure to verify correct connection. NOTE: THE NEUTRAL READING IS CALCULATED FROM THE SUM OF THE 3 PHASES OF CURRENT. HIGH NEUTRAL CURRENT INDICATES REVERSE CT POLARITY. LISTING OF CONNECTION DIAGRAMS NOTE: SEE PHASE REVERSAL IF A MESSAGE OF PH APPEARS AFTER INSTALLATION. I Three-Phase, Three-
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Chapter 2 Electrical Installation LINE BACK VIEW A BC 8 13 9 10 11 12 7 6 PORT 5 4 3 + 2 L1 CONTROL POWER LOAD - 1 L 3-PHASE, 3-WIRE DELTA WITH DIRECT VOLTAGE AND CTs I. Three Phase System LINE BACK VIEW A BC 8 910 11 12 13 7 6 PORT 5 4 3 CONTROL + 2 L1 POWER - LOAD 1 L 3-PHASE, 3-WIRE OPEN DELTA WITH 2 CTs AND 2 PTs II. Open Delta PT Connection Special programming required. 5 GE Industrial Systems
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Chapter 2 Electrical Installation LINE BACK VIEW A BC 8 11 12 13 910 7 6 PORT 5 4 3 + 2 L1 POWER - LOAD 1 L 3-PHASE, 3-WIRE OPEN DELTA WITH 3 CTs AND 2 PTs III. Open Delta PT Connection Special programming required. LINE BACK VIEW NA BC 8 11 12 13 9 10 7 6 PORT 5 4 3 + 2 L1 CONTROL POWER - 1 L LOAD 3-PHASE, 4-WIRE WYE WITH DIRECT VOLTAGE AND CTs IV. Three Phase System 6 GE Industrial Systems
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Chapter 2 Electrical Installation LINE BACK VIEW NA BC 8 910 11 12 13 7 6 PORT 5 4 3 + 2 L2 POWER - 1 L1 LOAD 3-PHASE, 4-WIRE WYE WITH CTs AND PTs V. Three Phase System Wye System with PTs LINE BACK VIEW A 8 11 12 13 910 7 6 PORT 5 4 3 2 L2 + POWER LOAD - 1 L1 SINGLE-PHASE WITH CT AND PT CONNECTION VI. Single-Phase System 7 GE Industrial Systems
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Chapter 2 Electrical Installation LINE BACK VIEW N A B 8 9 10 11 12 13 7 6 5 PORT 4 3 + 2 L2 POWER - 1 L1 LOAD DUAL-PHASE WITH CTs AND Direct Voltage VII. Dual-Phase System 2.6 RELAYS AND PROTECTION NOTE: THIS SECTION IS APPLICABLE ONLY IF THE -NL RELAY OPTION WAS ORDERED. The EPM3000P allows the user to access a variety of relay options through the programming mode. The relay option package consists of two relays, which can be dedicated to alarm or
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Chapter 2 Electrical Installation 20 N.O. Figure 2.1 - Relay Connection 21 N.C. ALARM #1 Close-up of the relays on the rear panel. The relays shown are in the NOT energized state. (Form C relays, 22 COM rated 250V, 5A, 2 each) 23 N.O. 24 N.C. ALARM #2 25 COM THE INSTRUMENT CAN BE PROGRAMMED TO DETECT TWO ALARM LEVELS FOR THE FOLLOWING FUNCTIONS: LM1/LM2 Voltage AN, BN, CN, AB, BC, CA LM1/LM2 Current A, B, C, N Voltage Imbalance (One level only) Voltage Phase Rev
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CHAPTER 3 COMMUNICATION INSTALLATION 3.1 RS-232C All EPM3000P and EPM300P-F instruments can be equipped with: the EIA RS-232C or the EIA RS-485. RS-232C communication links a single instrument with a computer or device such as an RTU or PLC. Its capability is up to 100 feet. A standard 9-pin female serial port connector mounts on the instrument for direct connection to a computer with a 9-pin cable. NOTE: ONLY THREE PINS ARE USED IN RS-232C. (See Figure 3.1). BACK VIEW RS-2
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Chapter 3 Communication Installation RS-485 is used to parallel multiple instruments on the same link. Its operating capability is up to 4000 feet. • When only 2 wires are used (on the RS-485), the link can include up to 30 instruments, (Figure 3.2). • When using all 4 wires, the link can include up to 60 instruments, (Figure 3.3). RS-485 Hookup Diagram (2 wire) Half Duplex 3000P Instruments (rear view) RS-485 Communications Port Model#SF485DB R T R T RS-485 UNICOM
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RS-485 RS-232 Chapter 3 Communication Installation RS-485 Hookup Diagram (2 wire) Half Duplex: Detail View RS-485 RS-485 Communications Communications Port Port Model# Model# SF485DB SF485DB GR+ T+ R- T- GR+ T+ R- T- R T T- R- T+ R+ Gnd UNICOM 2500 (Bottom View Shown) Figure 3.3 2-Wire RS-485 Communication Connection Installation Half Duplex Detailed View NOTE: Communication is supported over Belden 3074F and Belden 9841 cable types. 12
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CHAPTER 4 EPM3000P OVERVIEW The EPM3000P and EPM3000P-F measure 10 electrical parameters. Values for each parameter are accessed through the keypad on the meter's front panel (See Figure 4.1). The meters illustrated throughout the manual are EPM3000P except for Figure 4.1 below. The EPM3000P-F (Frequency Option) displays the Frequency measurement on the face of the meter. Max, Min and Limits indicators are on the left side of the face. VOLTS AMPS A-N A B-N B C-N C A-B N B-C C
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Chapter 4 EPM3000P Overview 4.2 RESETTING VALUES FROM OPERATING MODE Use the reset function if a new value is desired. It is available in two different modes: 1. UNPROTECTED MODE: allows quick and easy resetting of max/min values. 2. PROTECTED MODE: prevents unauthorized personnel from resetting the max/min. UNPROTECTED RESET AC VOLTS AC VOLTS AC VOLTS A B C A B C A B C A B C A B C A B C I I I I I I I I I I I I I I I I I I N N N B C
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Chapter 4 EPM3000P Overview AC VOLTS AC VOLTS A B C A B C A B C A B C I I I I I I I I I I I I N N N B C A N N N B C A AC AMPS AC AMPS A B C N A B C N 005 LM2 MAX MIN LM1 LM2 MAX MIN LM1 MAX/MIN PRINT PHASE MAX/MIN PRINT PHASE VOLTS AMPS VOLTS AMPS LIMITS PROG NEXT LIMITS PROG NEXT Step 3: Step 4: Upon entering the correct password, the display blanks a. Press PHASE/NEXT each time the appropriate password number appears. and a checkmark appears, c
