RS-485 Hookup Diagram 2 wire Half Duplex | GE EPM 5300, EPM 5200

CHAPTER 4: COMMUNICATION INSTALLATION

RS-485 Hookup Diagram (2 wire) Half Duplex

5300P Instruments (rear view)

RS-485

Communications Port

Model#SF485DB

RT

RT

RS-485

UNICOM 2500

(Bottom View Shown)

RS-232

PC

(+) (-)

Figure 4.2: 2-Wire RS-485 Communication Connection Installation half duplex

—Detail view on following page

18

EPM 5000 series Advanced Power Meters

GE Multilin

Image 22

GE EPM 5300, EPM 5200, EPM 5350 instruction manual RS-485 Hookup Diagram 2 wire Half Duplex

Contents

Digital Multifunction Power Monitors EPM 5200, 5300Page Table of Contents Mode SET LIMITS/RELAYSREFERENCE………………81 Chapter AC Power Measurement Single Phase System Three-Phase System Relationship between apparent, real Reactive power Consumption, Demand and Poor Power Factor Poly Phase System 1 Delta, 2 Wye Sinusoidal Waveform a sin ω ⋅ t Waveform and HarmonicsTotal Harmonic Distortion THD Chapter Mechanical Installation Diagram 2.1 Standard installation Port CT Connection Chapter Electrical InstallationConnecting the Current Circuit Helpful Debugging Tools Electrical Connection Installation Connecting the Voltage CircuitConnection to the Main Power Supply Control Power Option Suffix Current List of Connection Diagrams 2L1 Line Back View IV. Three-Phase Four-Wire Wye with Direct Voltage and CTsThree Phase Four-Wire Wye with CT and PTs Load VI. Single Phase with CT and PT Connection EPM 5300P-S VII. Dual-Phase with CTs and PTs VIII. Three-Phase Four-Wire WYE with 2.5 Element EPM 5300P Relay Overview Relay, Protection and Pulse OutputRelays & 1 KYZ Pulse Output -NL Option KYZ Pulse Outputs NL2 Option Decimal Point Placement Change in Level KW/MWStandard Rate Table for Watts Voltage 9999.0 Units W Hour 999.9 99.99 KYZ Relay Connection for -NL2 Option RS-485 Chapter Communication InstallationRS-232C Connection for DB-9 Female RS-485 Hookup Diagram 2 wire Half Duplex RS-485 Hookup Diagram 2 wire Half Duplex Closed Loop RS-485 Hookup Diagram 2 wire Half Duplex Detail View RS-485 Hookup Diagram 4 wire Full Duplex RS-485 Hookup Diagram 4 wire Full Duplex Detail View Bottom View Shown Network of Instruments and Long Distance Communication Computer Modem Connected to Computer Originate Modem Programming the Modem Debugging Communication Problems Communication Installation Power A, B, C Chapter Overview Accessing Voltage and Current Phases Accessing the Power FunctionsAccessing %THD Functions Viewing Individual Phase Indication for Power Functions Step Resetting Values Unprotected Reset Protected Reset Resetting Hour Readings Accessing the LM1/LM2 Set Limits This display Press and hold down Voltage Phase Reversal and ImbalancePhase Reversal Phase Imbalance Indicates a Voltage Print Operating Data Access ModesAppears, confirming a successful print command Press and hold Press Amps until a Appears Step Press and hold PHASE/NEXT Press Amps until 4 appears Accessing Firmware Version/LED TestPrint Programming Data Step Chapter Programming Overview General ProcedureSwitch Packs Groups Functions Packs Programming Mode Data Entry Standard Numeric Data Entry Chapter EPM 5200P EPM 5300P vs. EPM 5200P vs. EPM 5350P Feature 5300P 5200P 5350P5300P 5200P 5350P Password Entry Chapter Entering Programming ModeChecksum Error-Protective Self-Checking Algorithms Entering Programming Mode Entering Programming Mode Function Chapter Programming Group 0 Global Meter SetupGroup 0, Function 0-The Integration Interval Function Group 0, Function 1-The Meter Address Group 0, Function 2-BAUD Rate Group 0, Function 3-System Configuration Group Function Pack Pack Switch Feature Segment Position Down +PF Printing Option Open Delta System Installation ProgrammingModbus Plus Capability Disabling Prevents Group 0, Function 3-Programming Procedure To change the System Configuration Switch Settings Switch C Description Relay ModeSwitch Description Definitions Group 0-FUNCTION Number Description Programming Steps04.P Controls Relay 05.P Controls Relay 2 and 3 if NL4 To change the Relay Mode to either Fail-safe or Reset Group and Function Number Description To change Time Delays To program Relay Group 0, Function 6-KYZ Parameter Selection Parameter Description Value PER PER Watt Hour Selection KYZ Pulse KYZ Pulse Value06P FSW=9.999 Situation 3 FSW=99.99 Situation 4 FSW=9.999 Group 0, Function 7-Number of Phases Standard Factory SET-UP is THREE-PHASE FOUR-WIRE Formulas Group and Function Number To change the Full Scale Settings Voltage Full Scale Press Volts to move decimal point Press Amps to store Group 1, Function 1-Amperage Full Scale CT T YPE Full Scale Step Press Amps to begin Data Entry Sequence Example 3 14.4 KV/120, 1000/5 CT FSV=480 FSA=1000 a FSW one phase=480 V ⋅ 1000 aExample 2 480/120 PT, 1000/5 CT FSV=14.40 KV FSA=1000 a To change the scale factor setting for wattage Programming Group High End Calibration-Volts AN, BN, CN Chapter Programming Group 2-METER CalibrationCalibration Requirements High End Calibration-Amps A, B, C Voltage Range Input Source Group 2 Value To change the calibration high end-Functions 0 For Amps Low End Function Press MAX/MIN/LIMITS to end calibration procedure Example of LM1/LM2 SET Limits Time Delays & Relay ModeChapter Groups 4, 5 and 6-SET Limits and Relays Trip Relay Group 4, Functions 0-3-LM1/LM2 Set Limits Group 4 Programming Format for Limit Condition Group 5, Functions 0-7-LM1/LM2 Set Limits There are 3 Switches to SET with Limits Digit Up Digit Down 0120 LM1 LM2 Switch Value LED ABOVE/BELOW Relay Programming Group 6, LM1/LM2 Set Limits Digit Up Digit Down 012.0 Limits or Relays Programming ProcedureLM1 LED LM2 LED Switch Level ABOVE/BELOW Relay Digit Down Digit Up 009.0 Press Amps once to Disable the Limit Follow this step for Disabling Limits See to Exit Phase Reversal and Phase Imbalance ∃TRIP Relay 1 %TRIP Relay 2 &LEVEL ∋ENABLE/DISABLE Voltage Phase Imbalance Group 7, Function 0-Voltage Phase Reversal DetectionVoltage Phase Reversal Detection To change the phase reversal setting Group 7, Function 1-Percentage Voltage Phase Imbalance To change the percentage voltage phase imbalance See to Exit Chapter Exiting Programming Mode Exiting Programming Mode Data Entry Sequence Entering the Programming ModeChapter Programming Quick Reference Programming Groups Group 0-Global Meter Setup Reserved Switches Group 3 Calibration Ratios Group 1 Full Scale SetupGroup 2 Calibration Group 4 Volt/Current Limits Group 7 Imbalance/Reversal Limits Group 5 Power Function LimitsGroup 6 THD Limits Group 8 DC output Calibration KEY Designations Programming Quick Reference Chapter Ethernet Option Ethernet Module Ethernet Option Setup Description LED Functions Network Port Login Default IP AddressSetting the IP Address AutoIP ARP on Windows Network ConfigurationTelnet to Port Configuration Parameters Baud Rate GE Multilin