RS-485 Hookup Diagram 2 wire Half Duplex Closed Loop | GE EPM 5350

CHAPTER 4: COMMUNICATION INSTALLATION

RS-485 Hookup Diagram (2 wire) Half Duplex (Closed Loop)

5300P Instruments (rear view)

RS-485 Communications Port

Model #SF485DB

RS-232

RS-485

UNICOM 2500

(Bottom View Shown)

Figure 4.3: 2-Wire RS-485 Communication Connection Installation half duplex (closed loop)

GE Multilin

EPM 5000 series Advanced Power Meters

19

Image 23

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

Contents

EPM 5200, 5300 Digital Multifunction Power MonitorsPage Table of Contents REFERENCE………………81 SET LIMITS/RELAYSMode Single Phase System Chapter AC Power Measurement Relationship between apparent, real Reactive power Three-Phase System Poly Phase System 1 Delta, 2 Wye Consumption, Demand and Poor Power Factor Total Harmonic Distortion THD Waveform and HarmonicsSinusoidal Waveform a sin ω ⋅ t Diagram 2.1 Standard installation Chapter Mechanical Installation Port Helpful Debugging Tools Chapter Electrical InstallationConnecting the Current Circuit CT Connection Control Power Option Suffix Current Connecting the Voltage CircuitConnection to the Main Power Supply Electrical Connection Installation List of Connection Diagrams 2L1 Load IV. Three-Phase Four-Wire Wye with Direct Voltage and CTsThree Phase Four-Wire Wye with CT and PTs Line Back View EPM 5300P-S VI. Single Phase with CT and PT Connection VIII. Three-Phase Four-Wire WYE with 2.5 Element VII. Dual-Phase with CTs and PTs Relays & 1 KYZ Pulse Output -NL Option Relay, Protection and Pulse OutputEPM 5300P Relay Overview Voltage Decimal Point Placement Change in Level KW/MWStandard Rate Table for Watts KYZ Pulse Outputs NL2 Option KYZ Relay Connection for -NL2 Option 9999.0 Units W Hour 999.9 99.99 Connection for DB-9 Female Chapter Communication InstallationRS-232C RS-485 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 Bottom View Shown RS-485 Hookup Diagram 4 wire Full Duplex Detail View Computer Network of Instruments and Long Distance Communication Programming the Modem Modem Connected to Computer Originate Modem Debugging Communication Problems Communication Installation Chapter Overview Power A, B, C Accessing %THD Functions Accessing the Power FunctionsAccessing Voltage and Current Phases Step Viewing Individual Phase Indication for Power Functions Resetting Values Protected Reset Unprotected Reset Accessing the LM1/LM2 Set Limits Resetting Hour Readings Indicates a Voltage Voltage Phase Reversal and ImbalancePhase Reversal Phase Imbalance This display Press and hold down Press and hold Press Amps until a Appears Access ModesAppears, confirming a successful print command Print Operating Data Print Programming Data Accessing Firmware Version/LED TestStep Press and hold PHASE/NEXT Press Amps until 4 appears Step Groups Functions Packs General ProcedureSwitch Packs Chapter Programming Overview Standard Numeric Data Entry Programming Mode Data Entry EPM 5200P Chapter 5300P 5200P 5350P Feature 5300P 5200P 5350PEPM 5300P vs. EPM 5200P vs. EPM 5350P Entering Programming Mode Chapter Entering Programming ModeChecksum Error-Protective Self-Checking Algorithms Password Entry 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 Function Pack Group 0, Function 3-System Configuration Down +PF Pack Switch Feature Segment Position Disabling Prevents Open Delta System Installation ProgrammingModbus Plus Capability Printing Option To change the System Configuration Switch Settings Group 0, Function 3-Programming Procedure Definitions Relay ModeSwitch Description Switch C Description 04.P Controls Relay 05.P Controls Relay 2 and 3 if NL4 Programming StepsGroup 0-FUNCTION Number Description To change the Relay Mode to either Fail-safe or Reset Group and Function Number Description To program Relay To change Time Delays Parameter Description Group 0, Function 6-KYZ Parameter Selection FSW=9.999 Selection KYZ Pulse KYZ Pulse Value06P Value PER PER Watt Hour Situation 4 FSW=9.999 Situation 3 FSW=99.99 Standard Factory SET-UP is THREE-PHASE FOUR-WIRE Group 0, Function 7-Number of Phases Group and Function Number Formulas Voltage Full Scale To change the Full Scale Settings Press Volts to move decimal point Press Amps to store CT T YPE Full Scale Group 1, Function 1-Amperage Full Scale Step Press Amps to begin Data Entry Sequence FSV=14.40 KV FSA=1000 a FSV=480 FSA=1000 a FSW one phase=480 V ⋅ 1000 aExample 2 480/120 PT, 1000/5 CT Example 3 14.4 KV/120, 1000/5 CT To change the scale factor setting for wattage Programming Group High End Calibration-Amps A, B, C Chapter Programming Group 2-METER CalibrationCalibration Requirements High End Calibration-Volts AN, BN, CN To change the calibration high end-Functions 0 Voltage Range Input Source Group 2 Value For Amps Low End Function Press MAX/MIN/LIMITS to end calibration procedure Trip Relay Time Delays & Relay ModeChapter Groups 4, 5 and 6-SET Limits and Relays Example of LM1/LM2 SET Limits Group 4 Programming Format for Limit Condition Group 4, Functions 0-3-LM1/LM2 Set Limits Group 5, Functions 0-7-LM1/LM2 Set Limits Digit Up Digit Down 0120 There are 3 Switches to SET with Limits Programming Group 6, LM1/LM2 Set Limits LM1 LM2 Switch Value LED ABOVE/BELOW Relay Digit Down Digit Up 009.0 Limits or Relays Programming ProcedureLM1 LED LM2 LED Switch Level ABOVE/BELOW Relay Digit Up Digit Down 012.0 Follow this step for Disabling Limits Press Amps once to Disable the Limit See to Exit ∃TRIP Relay 1 %TRIP Relay 2 &LEVEL ∋ENABLE/DISABLE Phase Reversal and Phase Imbalance To change the phase reversal setting Group 7, Function 0-Voltage Phase Reversal DetectionVoltage Phase Reversal Detection Voltage Phase Imbalance To change the percentage voltage phase imbalance Group 7, Function 1-Percentage Voltage Phase Imbalance See to Exit Chapter Exiting Programming Mode Exiting Programming Mode Programming Groups Entering the Programming ModeChapter Programming Quick Reference Data Entry Sequence Reserved Switches Group 0-Global Meter Setup Group 4 Volt/Current Limits Group 1 Full Scale SetupGroup 2 Calibration Group 3 Calibration Ratios Group 8 DC output Calibration Group 5 Power Function LimitsGroup 6 THD Limits Group 7 Imbalance/Reversal Limits KEY Designations Programming Quick Reference Ethernet Module Chapter Ethernet Option Description LED Functions Ethernet Option Setup AutoIP Default IP AddressSetting the IP Address Network Port Login Telnet to Port Network ConfigurationARP on Windows Baud Rate Configuration Parameters GE Multilin