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Ac/dc sensitive earth-leakage relay
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- User manual (11 pages)
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- Table of Contents
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Table of Contents
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Table of Contents
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Introduction
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General
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EL731 Features
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Metering
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Data Logging
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Inputs and Outputs
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Operator Interface
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Communications Interface
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Installation
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System Wiring
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Supply Voltage
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Current Transformer Connections
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Analog Output
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PTC or RTD Input
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Ethernet/Ip Communications (Optional)
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Remote Reset
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Relay Outputs
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Calibration
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EL731 Outline and Mounting Details
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AC700-SMK Outline and Mounting Details
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Panel and Surface Mounting Connections
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Connection Diagram
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EL731 with Installed Anybus Communications
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Module (AC-700-CUA-0X)
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Operation and Setup
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Display and Indication
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Front-Panel LED Indication
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Trip
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CT Status
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Alarm
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Ethernet/Ip Module LED Indication
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Trip Flash Codes
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Network Status LED (NS)
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Module Status LED (MS)
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Main Menus
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Metering
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Messages
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Setup
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Earth-Fault-CT Input
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Temperature Protection
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Output Relay Assignments
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Analog Output
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CT2 Input Filters
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Relay Functions
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Miscellaneous Configuration
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Password
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Menu Timeout
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Maintenance
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Trip Reset
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EFCT-1 Outline and Mounting Details
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EFCT-2 Outline and Mounting Details
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EFCT-26 Outline and Mounting Details
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Theory of Operation
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CT1 Theory of Operation
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CT2 Theory of Operation
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Personal Computer Interface
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Flash Memory Update
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Technical Specifications
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6.1 El731
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Current Sensors
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Ordering Information
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Warranty
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(Ac-700-Cua-00)
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Performance Test
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Earth-Fault-Test Circuit
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Earth-Fault-Test Record
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EL731 MANUAL
AC/DC SENSITIVE
EARTH-LEAKAGE RELAY
February 28, 2012
REVISION 2
www.DataSheet.co.kr
Copyright © 2012 by Littelfuse Startco
All rights reserved.
Publication: EL731
Document: S95-P401-00001
Printed in Canada.
Datasheet pdf - http://www.DataSheet4U.net/
Table ofContents
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Table of Contents
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Summary of Contents for Littlefuse Startco EL731
- Page 1 EL731 MANUAL AC/DC SENSITIVE EARTH-LEAKAGE RELAY February 28, 2012 REVISION 2 www.DataSheet.co.kr Copyright © 2012 by Littelfuse Startco All rights reserved. Publication: EL731 Document: S95-P401-00001 Printed in Canada. Datasheet pdf - http://www.DataSheet4U.net/...
- Page 2 Factory default password is 1111 New Password See Section 3.2.4. www.DataSheet.co.kr Pub. EL731, February 28, 2012 Datasheet pdf - http://www.DataSheet4U.net/...
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Page 3: Table Of Contents
Rev. 2 ABLE OF ONTENTS IST OF IGURES EL731 Outline and Mounting Details ......3 Introduction ..............1 AC700-SMK Outline and Mounting Details ....4 1.1 General ..............1 Panel and Surface Mounting Connections ....4 1.2 EL731 Features ............1 Connection Diagram ............ - Page 4 Page ii EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 This page intentionally left blank www.DataSheet.co.kr Pub. EL731, February 28, 2012 Datasheet pdf - http://www.DataSheet4U.net/...
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Page 5: Introduction
AC Earth-Leakage Current Transformer (CT2) 1.1 G ENERAL AC/DC Earth-leakage Current Transformer (CT1) The EL731 is a microprocessor-based earth-leakage Remote Reset Input (one shot operation) relay for AC, DC, combined AC/DC, and variable- Network Communications (Ethernet/IP – Optional) frequency power circuits supplied by solidly or ... -
Page 6: Installation
Outline and details for panel-mounting an EL731 are connection is shown in Fig. 4. The analog output is shown in Fig. 1. Insert the EL731 through the cutout and isolated to 120 Vac from all other EL731 terminals. slip the panel-mount clamp over the EL731 body. Slide the panel-mount clamp forward to engage the latch tabs 2.1.4 PTC... -
Page 7: El731 Outline And Mounting Details
1.6 (0.06) TO 4.8 (0.19) (3.94) www.DataSheet.co.kr PANEL CUTOUT DETAIL PANEL-MOUNT CLAMP COMMUNICATIONS ADAPTOR ACCESS COVER 10.0 119.0 MAX 96.0 (4.68) (0.39) (3.78) CLAMP RETAINER GROOVES SIDE FRONT Figure 1. EL731 Outline and Mounting Details. Pub. EL731, February 28, 2012 Datasheet pdf - http://www.DataSheet4U.net/... -
Page 8: Ac700-Smk Outline And Mounting Details
Page 4 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 NOTES: 1. DIMENSIONS IN MILLIMETRES (INCHES). 2. SIDE VIEW SHOWN WITH 35 MM x 7.5 MM TOP-HAT RAIL. 112.0 (4.41) 100.0 12.0 (3.94) (0.47) M4 OR 8-32 TAP 112.0 (4.41) MOUNTING DETAIL... -
Page 9: Connection Diagram
Page 5 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 LINE 1 LINE 2/N OPTIONAL NETWORK COMMUNICATIONS L2/N FAULT NOTE 1 20-15000 Hz tº RTD/PTC +tº DC-90 Hz www.DataSheet.co.kr SUPPLY ANALOG TERMINATION 4-20 mA REMOTE RESET EL731 NOTES: 1. CT CONNECTIONS ARE NOT POLARITY SENSITIVE. -
Page 10: El731 With Installed Anybus Communications
Page 6 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 Figure 5. EL731 with installed Anybus Communications Module (AC-700-CUA-03). www.DataSheet.co.kr Figure 6. EL731 with Firmware Upgrade Module (AC-700-CUA-00). Pub. EL731, February 28, 2012 Datasheet pdf - http://www.DataSheet4U.net/... -
Page 11: Operation And Setup
The ENTER key is used to select menu items and to Green, flashing On-line, no connections choose settings. established All EL731 settings can be accessed using the EL731 Duplicate IP address, menu system or the optional network communications FATAL error interface. In the following sections, menu items and... -
Page 12: Main Menus
The Calibrate menu applies to CT1 (0 to 100 Hz). When energized) or non-fail-safe (normally de-energized). CT1 is used, the EL731 must be calibrated after The Test function performs a test of the specified installation, with CT1 connected and power removed from relay’s operation. -
Page 13: Miscellaneous Configuration
Menu: Setup | System Config | Change Password Menu: Setup | System Config | Password Enable Used to enable and change the EL731 password (four- character numeric field). When enabled, the password must be entered to change a set point. -
Page 14: Efct-1 Outline And Mounting Details
Page 10 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 121.0 121.0 (4.76) (4.76) 20.5 80.0 (3.15) (0.81) NOTE 2 M5 SCREWS MOUNTING DETAIL 25.0 30.0 (0.98) (1.18) EFCT-1 EARTH FA ULT CT 600 V CLASS, INSULATION CLASS A www.DataSheet.co.kr LR 53428 5.0 (0.20) Ø... -
Page 15: Efct-2 Outline And Mounting Details
Page 11 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 215.0 (8.46) 215.0 26.5 162.0 (8.46) (6.38) (1.04) M5 OR 10-32 TAP M5 SCREWS MOUNTING DETAIL 31.0 25.0 (1.22) (0.98) www.DataSheet.co.kr FLUX CONDITIONER (INCLUDED) 5.0 (0.20) DIA BONDING SCREW 198.0 (0.33) (0.33) -
Page 16: Efct-26 Outline And Mounting Details
Page 12 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 68.0 68.0 (2.68) (2.68) 17.0 34.0 (0.67) (1.34) M4 OR 8-32 TAP M5 SCREWS MOUNTING DETAIL 26.5 25.0 (0.98) (1.04) E F C T- 1 E A R T H FA U LT C T... -
Page 17: Theory Of Operation
EMORY PDATE CT1 and CT2 have independent Trip and Alarm The EL731 control program is stored in flash memory. current-level and time-delay set points and independent This allows field upgrades to be made through the metering. This enables different protection levels and upgrade module (optional). -
Page 18: Technical Specifications
Page 14 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 Output Relays: 6. T ECHNICAL PECIFICATIONS Relay 1: 6.1 EL731 Contact configuration ..N.O. and N.C. Supply: Operating Mode ....Fail-Safe/Non-Fail-Safe Option 0 ......... 13 VA, 120 to 240 Vac CSA/UL Rating ....8 A Resistive, 250 Vac, (+10, -45%) 50/60 Hz;... -
Page 19: Current Sensors
Window Diameter ....82 mm (3.2") an EL731 that is determined by Littelfuse Startco to be Shipping Weight ....900 g (2.0 lb) defective if it is returned to the factory, freight prepaid, within the warranty period. -
Page 20: Performance Test
ESULTS 10% of the SE-400 setting. Set the test current to 120% of the EL731 setting. Inject the test current through the current-sensor window. Verify that the circuit under test has reacted properly. Correct any problems and re-test until the proper reaction is verified. - Page 21 Page 17 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 This page intentionally left blank. www.DataSheet.co.kr Pub. EL731, February 28, 2012 Datasheet pdf - http://www.DataSheet4U.net/...
- Page 22 Page 18 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 Menu Level PPENDIX EL731 M Earth Leakage Current {CT1 and/or CT2 current in percent as value and bar graph} Metering CT1 Current {CT1 Current in Milliamperes} CT2 Current {CT2 Current in Milliamperes} Full Current...
- Page 23 Page 19 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 Menu Level Exit {Ret. to Prev Menu} Relay 2 Function Fail-safe Mode [E/D] Test Exit {Ret. to Prev. Menu} Relay 3 Function Fail-safe Mode [E/D] Test Exit {Ret. to Prev. Menu} Exit...
- Page 24 Page 20 EL731 AC/DC Sensitive Earth-Leakage Relay Rev. 2 PPENDIX YSTEM ARAMETERS PARAMETER AND SETTINGS UNIT PROGRAM SELECTION DEFAULT Protection CT1 Earth Fault Enable Disable Enable/Disable Enable Trip Time 2,000 Trip Level 5,000 Alarm Level 5,000 CT2 Earth Fault...
