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GEH–6505A
g
POWER LEADER™
Ethernet Gateway
User’s Guide
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GEH–6505 WARNINGS, CAUTIONS, AND NOTES AS USED IN THIS PUBLICATION WARNINGS Warning notices are used in this publication to emphasize that hazardous voltages, cur- rents, or other conditions that could cause personal injury exist in this equipment or may be associated with its use. Warning notices are also used for situations in which inattention or lack of equipment knowledge could cause either personal injury or damage to equipment. Caution notices are used for situations in which equipment mi
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POWER LEADER™ Ethernet Gateway Table of Contents Chapter 1 – Introduction ...........................................................................................1 1–1 Overview .................................................................................................................................. 1 1–2 Physical Description ............................................................................................................... 2 1-3 Operational Description.....................
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POWER LEADER™ Ethernet Gateway Table of Contents List of Figures Figure 1. POWER LEADER Ethernet Gateway. ............................................................................................ 1 Figure 2. Typical use of Ethernet Gateway. ................................................................................................... 2 Figure 3. Front view of Ethernet Gateway, showing dimensions. ................................................................ 2 Figure 4. Rear view of th
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POWER LEADER™ Ethernet Gateway Chapter 1 – Introduction Chapter 1 – Introduction Device Description EPM 3710 Full-function, three-phase electronic 1–1 Overview meter with optional pulse initiation, waveform capture, data logging, and The GE POWER LEADER™ Ethernet Gateway protective relay outputs. (catalog number PLENETG01), shown in Figure 1, EPM 3720 Full-function, three-phase electronic is a microprocessor-based device that connects one meter with optional pulse initiation, to four RS485-based
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POWER LEADER™ Ethernet Gateway Chapter 1 – Introduction Host Other Other PMCS P C P C Ethernet Ethernet PL C Multilin Gateway 90/30 56 5 RS485 Modbus RTU RS485 Modbus RTU E P M E P M Modbus Multi lin PL C 372 0 3710 Concentrator 269+ 90/70 Spectra PL E PM E C M commnet devi ces POWE R MVT - PM LEADER Trip Unit Meter Figure 2. Typical use of Ethernet Gateway. many as 31 Modbus devices each and up to 247 1–2 Physical Description Modbus addresses each. RS485 ports are DB-9 (9-pin Figure 3 is an out
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POWER LEADER™ Ethernet Gateway Chapter 1 – Introduction DD Destination device port number – the Gateway 1-3 Operational Description RS485 port to which the message should be The Ethernet Gateway transparently passes message routed (0 - 3) between the host and devices attached to the EE Error status byte (0 = no parity errors, 1 = parity Gateway. Figure 5 illustrates the stripping or adding errors encountered) of Ethernet headers to the Modbus messages. This NN Number of bytes in the Modbus messa
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POWER LEADER™ Ethernet Gateway Chapter 1 – Introduction 1–4 Specifications 1–6 Terminology The specifications of the Ethernet Gateway are Following are definitions of some of the terms used listed in Table 2. in this document. POWER LEADER – The GE family of comprehensive Parameter Value power management devices and system software used to minimize downtime and overall power cost. Control power 90–132 Vac or 180–264 Vac, 47–63 Hz; autoranging PMCS – Power Management Control System software. Powe
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POWER LEADER™ Ethernet Gateway Chapter 2 – Installation Chapter 2 – Installation 2–1 Mounting The Ethernet Gateway may be mounted on a horizontal surface or on a wall, preferably inside an enclosure or switchgear lineup. The Gateway should be mounted so that it is spaced from enclosure walls or from other components in the enclosure. A minimum of two inches clearance should be allowed along the long sides of the Gateway, and at least six inches clearance on the ends to allow for ventilation and
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POWER LEADER™ Ethernet Gateway Chapter 2 – Installation 2–4 Modbus Connection 2–5 Diagnostic Connection The Modbus RTU networks should be connected to The RS232 port on the back of the Ethernet the RS485 ports on the back of the Ethernet Gateway is provided for connection of a dumb Gateway, as shown in Figure 9. terminal to the Gateway. The terminal may be used for configuring the Ethernet Gateway’s settings or for diagnostic purposes. For diagnostic purposes, the Gateway may be set to display a
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POWER LEADER™ Ethernet Gateway Chapter 2 – Installation manual) to record the devices attached to each devices. To the Modbus network, the commnet network and verify that each device on each devices appear as valid Modbus addresses. network has a unique address. To provide seamless integration of commnet- 3. Modbus Concentrators may be used to add compatible devices into the Modbus RTU network, POWER LEADER commnet devices to a the Concentrator directly maps commnet addresses Modbus network. The
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POWER LEADER™ Ethernet Gateway Chapter 3 – Configuration Chapter 3 – Configuration The Ethernet Gateway needs to be properly configured to communicate with your RS485 networks. Two items are critical to proper performance of your Gateway: the Gateway’s Ethernet address and the RS485 port communication settings. The Gateway’s Ethernet address should be set so that the host software will know how to address messages to the Gateway. You must configure the Ethernet Gateway with the appropriate baud
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POWER LEADER™ Ethernet Gateway Chapter 3 – Configuration Enter the setting number you want to change, 3–2 Ethernet Gateway IP Address then press . Ethernet Gateway’s IP address must be properly set for it to receive messages sent by the host software. Consult your LAN personnel or system NOTE: The lower portion of the Configuration Menu is administrator for assistance in selecting the correct labeled Advanced Options. These options are for use IP address. Follow Section 3–7 to modify the
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POWER LEADER™ Ethernet Gateway Chapter 3 – Configuration 3–4 Message Monitoring Option Number: Valid Entries at Prompt: For diagnostic purposes, you may want to monitor 1 = RS485 Port 1 0 = 1200 baud 4 = 19200 baud message traffic across the RS485 ports. This can be 3 = RS485 Port 2 1 = 2400 baud 5 = 38400 baud done on a terminal connected to the RS232 port. 5 = RS485 Port 3 2 = 4800 baud 6 = 57600 baud You may monitor messages on any single RS485 7 = RS485 Port 4 3 = 9600 baud port or on
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POWER LEADER™ Ethernet Gateway Chapter 3 – Configuration Enter the port to be tested: 1, 2, 3, or 4. The 3–6 Gateway Diagnostics following message displays: Selecting menu item 11 exits the Gateway software and runs the Gateway diagnostics program. The Gateway Diagnostics menu shown in Figure 14 is (where X is the port being tested). displayed on the terminal. If the loop-back is successful, the following message will be displayed: (where Y is the loop-back port). If the loop-back is unsuccessfu
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POWER LEADER™ Ethernet Gateway Chapter 3 – Configuration Network Test – FACTORY USE ONLY 3–7 Advanced Options – Technical Support Personnel ONLY NOTE: A client program may be requested from GE to run on the host when performing the network test. The Ordinarily these options will have been configured client attempts to establish a connection to a server (the by the system integrator or direct from the factory; you should NOT alter any of the settings from the Gateway) with the specified IP addres
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POWER LEADER™ Ethernet Gateway Chapter 4 – Operation Chapter 4 – Operation The Ethernet Gateway, once properly configured, requires no user intervention for operation. During normal operation, the Ethernet Gateway passes messages to and from the attached Modbus devices and translates these messages between the Ethernet and Modbus RTU protocols. Should power to the Ethernet Gateway be inter- rupted, communications between the host and the RS485 networks will resume automatically and immediately w
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POWER LEADER™ Ethernet Gateway Chapter 5 – Errors and Diagnostic Messages Chapter 5 – Diagnostic Messages and Errors 5–1 Monitor Mode 5–2 Processing Error Messages The Ethernet Gateway can be set to send diagnostic Table 7 gives error messages that may be generated messages to the RS232 port to be displayed on a by the Gateway and displayed at the PMCS host. terminal (see Chapter 3). These diagnostic messages can be very useful in tracking down errors Message Meaning in configuration or device a
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POWER LEADER™ Ethernet Gateway Chapter 6 – Troubleshooting Guide Chapter 6 – Troubleshooting Guide The following guide is provided for troubleshooting and isolating common problems. It does not cover every possible condition. Contact the ED&C Customer Support Center at 800-843-3742 if the problem is not resolved by these procedures. Symptom Possible Cause Corrective Action 1. No response at either Lack of power. Check that control power cable is working and host PC or dumb correctly connected. t
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POWER LEADER™ Ethernet Gateway Configuration Worksheets RS485 Port Configuration Worksheets Use the following worksheets to record the devices each network: device type and physical location, attached to the Ethernet Gateway for reference and and the Modbus address assigned to it. troubleshooting. Record the Ethernet Gateway’s Ethernet address on the first page only, then fill in Ethernet Gateway Address: the information on the Modbus devices attached to RS485 Port 1 Worksheet Baud Rate for RS48
