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Emerson Commander SK User Manual

Emerson Commander SK
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Getting Started Guide
AC variable speed drive for
3 phase induction motors
from 0.25kW to 7.5kW,
0.33hp to 10hp
Model sizes A, B, C and D
Part Number: 0472-0000-09
Issue: 9
www.controltechniques.com
Commander SK
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Emerson Commander SK Specifications

General IconGeneral
Output Voltage0 V to Input Voltage
Protection RatingIP20
Storage Temperature-40°C to +70°C
HumidityUp to 95% non-condensing
Cooling MethodFan Cooled
Overload Capacity150% for 60 seconds
CommunicationRS485 (Modbus RTU)
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit

Summary

Safety Information

Warnings, Cautions and Notes

Essential information for avoiding hazards and product damage.

Electrical Safety - General Warning

General warnings about high voltages and lethal risks.

System Design and Safety of Personnel

Ensuring safe incorporation of the drive into systems.

Electrical Installation Risks

Hazards associated with AC supply, DC bus, and output connections.

Isolation Device and Stored Charge

Procedures for safe isolation and managing stored charge.

Mechanical Installation

Fire Protection

Requirements for fire enclosure and baffle construction.

Electrical Installation

Power Terminal Connections

Wiring diagrams for power connections for different drive sizes.

Fuses MCB Grounding and Torque

Requirements for supply protection, grounding, and terminal torques.

Ground Leakage Current

Details on leakage currents and grounding requirements.

Internal EMC Filter Function

Function and recommendation for the internal EMC filter.

Control Terminals I/O Specification

Safety and configuration details for control terminals.

Keypad and Display

Selecting and Changing Parameters

Step-by-step procedure for navigating and editing parameters.

Parameter Access Levels

Understanding parameter access levels controlled by Pr 10.

Security Codes Management

Setting, unlocking, and managing security codes for parameter access.

Parameters

Level 1 Parameter Descriptions

Detailed descriptions of basic drive setup parameters.

Drive Configuration Pr 05 Options

Setting up drive configuration using parameter 05 and its options.

Motor Nameplate Parameters

Setting motor rated current, speed, voltage, and power factor.

Brake Function and Sequence

Diagrams and explanations of brake control functions and sequences.

Diagnostic Parameters

Read-only parameters for fault diagnosis and drive status.

Quick Start Commissioning

Terminal Control Setup

Minimum required control terminal connections for operation.

Before Power Up and Initial Setup

Steps for ensuring correct connections and initial parameter entry.

Autotune Procedure

Steps for enabling and completing the motor autotune process.

Running and Stopping the Motor

Procedures for running, adjusting speed, and stopping the motor.

Keypad Control Setup

Implementing forward/reverse switching via the keypad display.

Keypad Control Initial Setup

Steps for keypad control, parameter entry, and autotune.

Keypad Operation

Running, adjusting speed, and stopping the motor using the keypad.

Diagnostics

Trip Code Reference

List of trip codes, conditions, and possible causes for drive faults.

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