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Emerson SKA1200075 User Manual

Emerson SKA1200075
54 pages
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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 SKA1200075 Specifications

General IconGeneral
BrandEmerson
ModelSKA1200075
CategoryInverter
LanguageEnglish

Summary

Safety Information

Safety Warning, Caution, and Note Symbols

Explains the meaning of warning, caution, and note symbols used for safety.

Electrical Safety and Shock Hazards

Provides a general warning about severe electrical shock risk from drive voltages.

System Design and Personnel Safety

Emphasizes the need for trained personnel and careful system design for safe operation.

Access Restrictions and Fire Protection

Covers access restrictions, fire enclosure requirements, and regulatory compliance for installation.

Motor Installation and Brake Control

Provides guidelines for motor installation, mechanical brake control safety, and safe parameter adjustment.

Rating Data

1-Phase Drive Rating Tables

Provides detailed rating data for 1-phase Commander SK drives at different voltage ranges.

3-Phase Drive Rating Tables

Lists rating data for 3-phase Commander SK drives at 380-480Vac.

Mechanical Installation

Enclosure and Mounting Requirements

Details enclosure requirements for mounting, preventing contamination ingress, and pollution degree rating.

Fire Protection and Enclosure Design

Covers fire enclosure requirements, NEMA 12 suitability, and materials for fire enclosure construction.

Electrical Installation

Power Terminal Connections

Illustrates power terminal connections for size A and sizes B, C, D drives.

Fuses, Grounding, and Terminal Torque

Details fuse/MCB protection, grounding conductor requirements, and terminal tightening torques.

Motor Starts per Hour and Braking Resistor Safety

Covers limits on motor starts and safety precautions for braking resistors.

Ground Leakage Current and EMC Filter

Explains ground leakage current with internal EMC filter and requirements for grounding conductors.

ELCB/RCD Usage and EMC Filter Recommendations

Discusses ELCB/RCD types and the recommendation to keep the internal EMC filter fitted.

Further EMC Precautions

Outlines additional EMC precautions for stringent requirements, including external filters and shielded cables.

Control Terminals I/O Specification

Provides warnings for control circuit isolation and connection to SELV circuits.

Keypad and Display

Parameters

Parameter Descriptions - Level 1

Details basic drive setup parameters, including minimum/maximum speed and acceleration/deceleration rates.

Diagnostic Parameters

Quick Start Commissioning

Terminal Control Connections

Shows minimum required control terminal connections for Euro and USA configurations.

Speed, Rate, and Motor Data Entry

Guides on setting speed, acceleration/deceleration rates, and motor nameplate details.

Autotune and Motor Run Procedures

Explains the autotune process and how to run the motor.

Power Up, Speed, Rate, and Motor Details

Reviews power-up checks, speed/rate settings, and motor details entry.

Autotune, Run, and Stopping Procedures

Covers the autotune process, running the motor, and stopping procedures.

Diagnostics

Trip Code and Condition Summary

Provides a table of trip codes, conditions, and possible causes for drive faults.

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