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Cutler-Hammer Manuals
Protection Device
IQ-1000 II
User manual
Cutler-Hammer IQ-1000 II User Manual
Motor protection system
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Contents
Table of Contents
Bookmarks
Table of Contents
Iq-1000 II Upgrade
Table of Contents
Introduction
1 General
Contents/Use of Manual
Product Overview
Options
External Hardware
Protection Features
Level of Repair
Factory Correspondence
Hardware Description
2 0 General
Operator Panel
2.1.2 Rear Access Area
Options
RTD Module Option
Communications Option
IQ DC Power Supply Option
Specifications
Functional Theory
3 General
Sensing Inputs
Protective Functions
Load-Associated Protection
Rotor Temperature Protection
Metering Functions
Operator Panel
4 Introduction
General Description
Component Descriptions
Display Window
Keyswitch
Program Mode
Protection Mode
Set Points/Step Pushbutton
Step Up/Raise, Step Down/Lower
Push-Buttons
Help Pushbutton
Reset Pushbutton
4.2.7 Protection, Program, Alarm and Trip Leds
Entering Setpoint Values
Reviewing IQ-1000 II Setpoints
Monitoring Metered Values
Installation
5 General
Mounting
IQ-1000 Ll
RTD Option
Communications Option
Wiring - General
Wire Routing and Wire Types
Wiring Connections
Wiring Guidelines
Grounding
Initial AC Power Checks
Initial AC Power on
Power off Checks
STARTUP General
APPLICATION CONSIDERATIONS General
Motor Protection
Overload Protection Without Rtds
Overload Protection with Rtds
Protection Curve
Instantaneous Overcurrent Function
Locked-Rotor Function
Ultimate Trip
Underload Functions
Jam Functions
Temperature Effects
Typical Motor Protection Curves
Motor Current
Ground Fault Protection
Negative Sequence Currents
Positive Sequence Currents
Motor Cycle Monitoring
Start Cycle
Run Cycle
Stop Cycle
AC Line Interruptions
Control Signal Wiring
Discrete Inputs
Output Contacts
Wiring Considerations
Wire Routing and Wire Types
RTD Wiring
Grounding
Environmental Considerations
PROGRAMMING the IQ-1000 II and SET POINT DESCRIPTION General
Start and Run Delays
Start Delays
Run Delays
Setpoint Item 1, Operating Modes
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Iq-1000 II Upgrade
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Protective Functions
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Summary of Contents for Cutler-Hammer IQ-1000 II
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Page 2
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Page 3: Iq-1000 Ii Upgrade
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Page 6: Table Of Contents
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Page 11: Introduction
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Page 12: Options
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Page 15: Hardware Description
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Page 16: 2.1.2 Rear Access Area
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Page 17: Options
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Page 21: Functional Theory
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Page 22: Load-Associated Protection
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Page 24: Metering Functions
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Page 25: Operator Panel
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Page 26: Component Descriptions
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Page 27: Set Points/Step Pushbutton
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Page 28: Reviewing Iq-1000 Ii Setpoints
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Page 31: Installation
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Page 32: Rtd Option
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Page 36: Communications Option
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Page 38: Wiring Guidelines
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Page 40: Grounding
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Page 43: Startup General
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Page 47: Application Considerations General
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Page 49: Protection Curve
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Page 51: Temperature Effects
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Page 52: Typical Motor Protection Curves
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Page 55: Start Cycle
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Page 56: Run Cycle
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Page 58: Discrete Inputs
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Page 59: Grounding
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Page 60: Environmental Considerations
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Page 63: Programming The Iq-1000 Ii And Set Point Description General
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Page 64: Setpoint Item 1, Operating Modes
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