GE LM10 User manual

LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 1–1
GE Consumer & Industrial
Multilin
GE Multilin's Quality
Management System is
registered to ISO9001:2000
QMI # 005094
UL # A3775
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ISO9001:2000
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LM10 revision: 1.7x
GE publication code: GEK-106642E
GE Multilin part number: 1601-0165-A6
Copyright © 2008 GE Multilin
GE Multilin
215 Anderson Avenue, Markham, Ontario
Canada L6E 1B3
Tel: [phone] Fax: [phone]
Internet: http://www.GEmultilin.com
*1601-0165-A6*
LM10 Motor Protection System
Instruction Manual

© 2008 GE Multilin Incorporated. All rights reserved.
GE Multilin LM10 Motor Protection System instruction manual for revision 1.70.
LM10 Motor Protection System, is a registered trademark of GE Multilin Inc.
The contents of this manual are the property of GE Multilin Inc. This documentation is
furnished on license and may not be reproduced in whole or in part without the permission
of GE Multilin. The content of this manual is for informational use only and is subject to
change without notice.
Part numbers contained in this manual are subject to change without notice, and should
therefore be verified by GE Multilin before ordering.
Part number: 1601-0165-A6 (March 2008)

1TABLE OF CONTENTS
LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 1–I
Table of Contents
1: INTRODUCTION DESCRIPTION .....................................................................................................................1-1
THE LM10 RELAY ............................................................................................................... 1-1
OVERVIEW ...........................................................................................................................1-2
FEATURES ............................................................................................................................. 1-2
CURRENT AND VOLTAGE INPUTS ...................................................................................... 1-2
RELAY OUTPUTS .................................................................................................................. 1-2
POWER SUPPLY ................................................................................................................... 1-3
BLOCK DIAGRAM ................................................................................................................. 1-3
FEATURES ............................................................................................................................1-4
PROGRAMMING AND DISPLAY UNIT ................................................................................. 1-4
LED INDICATORS ................................................................................................................. 1-4
SWITCHES ............................................................................................................................. 1-4
ORDERING ..........................................................................................................................1-6
ORDER CODES ..................................................................................................................... 1-6
SPECIFICATIONS ................................................................................................................1-7
PROTECTION ELEMENTS ...................................................................................................... 1-7
METERING ............................................................................................................................. 1-7
CONTROL FUNCTIONS ........................................................................................................ 1-8
INPUTS .................................................................................................................................. 1-8
CT DIMENSIONS .................................................................................................................. 1-10
OUTPUTS ...............................................................................................................................1-10
COMMUNICATIONS .............................................................................................................. 1-10
ENVIRONMENTAL ................................................................................................................. 1-11
APPROVALS/CERTIFICATION ............................................................................................... 1-11
2: INSTALLATION WIRING ................................................................................................................................2-13
DEVICENET ........................................................................................................................... 2-13
RS232 PORT ....................................................................................................................... 2-13
CONTROL TERMINALS ......................................................................................................... 2-14
SENSOR PACK INPUT .......................................................................................................... 2-15
WIRING DIAGRAM ............................................................................................................... 2-15
MOUNTING .........................................................................................................................2-17
LM10 MOUNTING .............................................................................................................. 2-17
PDU DOOR MOUNT ........................................................................................................... 2-18
3: INTERFACE PDU OPERATIONS .............................................................................................................3-19
LIQUID CRYSTAL DISPLAY ................................................................................................... 3-19
LEDS..................................................................................................................................... 3-19
KEYPAD ................................................................................................................................. 3-19
PDU SCREENS AND MENUS ............................................................................................3-21
MAIN STARTUP SCREEN ..................................................................................................... 3-21
HISTORY RECORD AND STATUS SCREENS ........................................................................ 3-21
CONFIGURATION MENU ..................................................................................................... 3-21
ENERVISTA LM10 SOFTWARE ........................................................................................3-23
DESCRIPTION ........................................................................................................................ 3-23
FUNCTIONAL DETAILS ......................................................................................................... 3-23

1–II LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
TABLE OF CONTENTS
4: FUNCTIONALITY OVERCURRENT FAULT CONDITIONS ............................................................................4-25
DESCRIPTIONS ...................................................................................................................... 4-25
TRIP CURVES EXAMPLE ....................................................................................................... 4-27
CONFIGURATION SETTINGS ...........................................................................................4-29
OVERVIEW ............................................................................................................................ 4-29
MAIN MENU ......................................................................................................................... 4-30
LANGUAGE ............................................................................................................................ 4-31
CTSAND CPTS.................................................................................................................... 4-31
STARTER TYPE ......................................................................................................................4-32
RUN 1 AND RUN 2 SETUP ................................................................................................. 4-32
TIME DELAYS ........................................................................................................................ 4-34
OTHER SETTINGS ................................................................................................................. 4-34
AUXILIARY RELAY FAULTS .................................................................................................. 4-36
PASSCODE AND LOGIN ....................................................................................................... 4-37
RUN OPERATIONS ................................................................................................................ 4-38
FACTORY DEFAULT .............................................................................................................. 4-38
STATUS VALUES .................................................................................................................4-39
MAIN MENU ......................................................................................................................... 4-39
HISTORY VALUES ...............................................................................................................4-41
LAST TRIP DATA ................................................................................................................... 4-41
MOTOR START/STOP LOGIC ...........................................................................................4-42
5: COMMUNICATIONS DEVICENET OPERATIONS ................................................................................................5-45
DESCRIPTION ........................................................................................................................ 5-45
POLL DATA ........................................................................................................................... 5-45
IDENTITY OBJECT .................................................................................................................. 5-47
MESSAGE ROUTER ............................................................................................................... 5-47
DEVICENET OBJECT ............................................................................................................ 5-47
ASSEMBLY OBJECT .............................................................................................................. 5-48
CONNECTION OBJECT ......................................................................................................... 5-52
ACK HANDLER OBJECT ..................................................................................................... 5-54
OVERLOAD OBJECT ............................................................................................................. 5-54
EXTENSION OBJECT ............................................................................................................. 5-55
DATA FORMATS ................................................................................................................... 5-57
SPECIAL APPLICATION ......................................................................................................... 5-61
SERIAL PORT .......................................................................................................................5-63
DESCRIPTION ........................................................................................................................ 5-63
6: MISCELLANEOUS REVISION HISTORY ...........................................................................................................6-65
RELEASE DATES ................................................................................................................... 6-65
CHANGES TO THE MANUAL ................................................................................................ 6-65
WARRANTY .........................................................................................................................6-67
GE MULTILIN WARRANTY .................................................................................................. 6-67
APPENDIX DEVICENET OVERVIEW ....................................................................................................A-1
DESCRIPTION ........................................................................................................................ A-1
CONTROLLER AREA NETWORK (CAN) .............................................................................. A-2
DEVICENET OPERATIONS ................................................................................................... A-2
EXPLICIT MESSAGING AND INPUT/OUTPUT (I/O) MESSAGING ..................................... A-3
PRE-DEFINED MASTER/SLAVE CONNECTION SET ...........................................................A-3

1TABLE OF CONTENTS
LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 1–III
DEVICENET FEATURES ........................................................................................................ A-3
MAXIMUM CABLE LENGTHS FOR DEVICENET ................................................................. A-3
DEVICENET SPECIFICATION HIGHLIGHTS ......................................................................... A-4
LM10 AND GE FANUC 90-30 WITH DEVICENET™ .....................................................A-6
OVERVIEW ............................................................................................................................ A-6
GE FANUC 90-30 PLC HARDWARE ............................................................................... A-6
NETWORK CONFIGURATION ............................................................................................... A-6
CONFIGURATION PROCEDURE ........................................................................................... A-6
POLLING INPUT/OUTPUT CONNECTION ........................................................................... A-7
COS (CHANGE OF STATE) INPUT/OUTPUT CONNECTION ............................................. A-10
CYCLIC INPUT/OUTPUT CONNECTION .............................................................................. A-10
EXPLICIT MESSAGING .......................................................................................................... A-11
LM10 AND ALLEN-BRADLEY SLC500 VIA DEVICENET™ ..........................................A-17
DESCRIPTION ........................................................................................................................ A-17
SYSTEM SETUP ..................................................................................................................... A-17
INITIAL STEPS ....................................................................................................................... A-17
SETTING UPTHE DEVICENET NETWORK ......................................................................... A-17
CHANGING THE MODE OF OPERATION ............................................................................ A-18
CONFIGURING THE SLAVE DEVICE .................................................................................... A-19
CONTROL AND MONITORING OF THE LM10 .................................................................. A-20
EXPLICIT MESSAGING WITH THE LM10 RELAY ............................................................... A-21
DATA TABLE LAYOUT .......................................................................................................... A-22
LADDER LOGIC ..................................................................................................................... A-23
INDEX

1–IV LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
TABLE OF CONTENTS

LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 1–1
LM10 Motor Protection System
Chapter 1: Introduction
GE Consumer & Industrial
Multilin
Introduction
1.1 Description
1.1.1 The LM10 Relay
The GE Multilin LM10 Motor Protection System is a modular device designed to protect
motors from various fault conditions. This device interfaces with a DeviceNet network. The
network will monitor and control the relay status and functions. The relay also has the
capability of operating in a standalone mode. Configuration can be accomplished via DIP
switches on the front of the relay.
Additionally, the relay has an interface port to communicate to the LM10 programming
and display unit (PDU). The PDU is a self-contained device consisting of a membrane switch
keypad, a liquid crystal display (LCD), and control electronics for communication with the
relay. This unit provides a method of configuring and monitoring the LM10. The PDU
incorporates an RS232 interface with a proprietary communications protocol.
DeviceNet is a registered trademark of Open DeviceNet Vendor's Association (ODVA).

1–2 LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
OVERVIEW CHAPTER 1: INTRODUCTION
1.2 Overview
1.2.1 Features
The LM10 Motor Protection System is a microprocessor-based unit. It takes a ‘snapshot’
image of the three phases of current, one phase of voltage, and ground. The data is then
applied to the algorithms and compared to the device's configuration information. Based
on the result of the comparison, the relay may trip one or more of the on-board control
relays. When applicable, indicators will be illuminated to show the status of the device.
Additionally, up to ten trip events will be stored in non-volatile memory.
The LM10 auxiliary communications port to the PDU is an RS232 interface using a
standard four-pin RJ11 style cable. This port will allow the PDU to obtain and display any of
the real-world data that is contained in the relay as well as to configure the relay.
The LM10 Motor Protection System supports the DeviceNet protocol and can be interfaced
with the PLC DeviceNet mastercard or DCS Scanner card. It supports Polled, Change of
State (COS), Cyclic I/O Messaging, and Explicit Messaging.
1.2.2 Current and Voltage Inputs
The relay has inputs for two sets of three-phase current transformers (CTs) and one ground
CT. One set will allow for custom 27 A and 90 A CT sensor packs to be connected; the other
will allow for 75 to 800:5 A ratio CTs. Dual speed motors will require two separate CTs
connected in parallel.
A 100:1 A core-balance CT or 20 A ground fault sensor pack can be connected to the
ground CT terminals for ground current measurement.
Provisions have been made to support various CTs for the three-phase measurements.
Voltage input from the control power transformer (CPT) is conditioned and measured by
the analog-to-digital converter to determine supply voltage. This signal, in conjunction
with the current, is used to calculate power and power factor.
1.2.3 Relay Outputs
The LM10 Motor Protection System contains 4 on-board Form-C relays with NEMA C150
pilot duty ratings. Two relays should be used to control the coils of motor contactor and
one to annunciate ground fault status. An additional programmable relay is available for
fault status indications.
The two control relays are labeled “RUN 1” and “RUN 2”. These relays are enabled on
command from the control logic. If the LM10 detects a fault condition the relays will be de-
energize, causing the motors to shut down.
The ground fault relay is energized on detection of a ground fault. Upon correction of the
ground fault condition, the relay will be de-energized. The output contact can be used to
trip a breaker or annunciate to other devices.
The programmable trip relay is energized when the programmed algorithm conditions
have been met and can annunciate out to other devices.

CHAPTER 1: INTRODUCTION OVERVIEW
LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 1–3
1.2.4 Power Supply
The LM10 Motor Protection System has an on-board power supply with a fuse that
converts the AC input to the levels necessary to operate this device. The operating range is
96 to 140 V AC, nominal 120 V control power (80% to 117%). The supply has
programmable auto-restart capability of up to 4 seconds. This also supplies necessary
power to the PDU at a TTL.
For correct measurement of power and power factor, the control power must be
connected across phase A and phase B of the three-phase power supply.
1.2.5 Block Diagram
A single line diagram for the LM10 Motor Protection System is shown below.
FIGURE 1–1: Functional Block Diagram

1–4 LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
FEATURES CHAPTER 1: INTRODUCTION
1.3 Features
1.3.1 Programming and Display Unit
The main task of the programming and display unit (PDU) is to provide status information
to a local user. The PDU can display the requested parameter(s) on the LCD in either English
or Spanish. Additionally, the PDU can be used to configure the LM10 via the RS232 serial
communications port.
1.3.2 LED Indicators
The LM10 has five (5) LEDs on the front panel. They function as follows:
•Module Status (MS): This two-colored LED is used for the DeviceNet module status. Its
function is defined in the DeviceNet specification.
•Network status (NS): This two-colored LED is used for the DeviceNet network status.
Its function is defined in the DeviceNet specification.
•Overcurrent (OC): This red LED is illuminated when the relay detects an overcurrent
condition in one or more of the power phases.
•Ground Fault (GF): This red LED is illuminated when the relay detects a ground fault
condition.
•Current Unbalance (CUB): This red LED is illuminated when the relay detects a current
unbalance between the power phases.
1.3.3 Switches
The following switches are located on the front panel of the LM10. Changes to switch
settings will not take effect until power is cycled (on-off).
All other relay features (e.g., the CT sensor pack) can only be programmed via DeviceNet or
the RS232 configuration port.
•MAC ID: Two rotary DIP switches are used to set the DeviceNet MAC ID. Each unit on
the DeviceNet network requires a unique MAC ID. The valid ID range is from 0 to 63,
with a factory default of 0. Cycle power after any switch changes.
LED State Description
Off No power
Green Device operational
Red Unrecoverable fault
LED State Description
Off No power / not online
Flashing green Online, not connected
Green Link OK, online, connected
Flashing red Connection timeout
Red Critical link failure