Emerson SKA1100037 User Manual

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

Emerson SKA1100037 Specifications

General

Brand	Emerson
Model	SKA1100037
Category	Inverter
Language	English

Summary

Safety Information

Warnings, Cautions, and Notes

Electrical Safety and Personnel Protection

General warnings on electrical hazards and safe system design.

Electrical Installation Overview

Electric Shock Risk and Isolation

Identifies shock hazards and the need for isolation devices.

Stored Charge and Plug/Socket Safety

Power Terminal Connections

Size A Power Terminal Layout

Diagram showing power terminal connections for drive size A.

Sizes B, C, D Power Terminal Layout

Diagram showing power terminal connections for drive sizes B, C, D.

Electrical Installation Details

Fuses, Grounding, and Torque

Emphasizes protection, grounding, and terminal torque.

Motor Starts and Braking Resistor Safety

Ground Leakage and EMC

Ground Leakage Current Analysis

EMC Filter and RCD Usage

Control Terminals and I/O

Control Circuit Safety

Warnings on control circuit insulation and SELV connections.

Terminal T1-T6 Functionality

Details functions and ratings for terminals T1 through T6.

Terminal B1-B7 Functionality

Details functions and ratings for terminals B1 through B7.

Keypad and Display Operations

Keypad, Display, and Programming Keys

Control Keys and Parameter Access

Operation of control keys and selecting/changing parameters.

Parameter Saving and Access Levels

Security Codes and Default Settings

Management of security codes and resetting parameters to defaults.

Parameter Descriptions - Level 1

Minimum and Maximum Set Speed (Pr 01, 02)

Acceleration and Deceleration Rates (Pr 03, 04)

Drive Configuration Examples (Pr 05)

AI.AV, AV.Pr, and Al.Pr Configurations

Pr, PAd, and E.Pot Configurations

Torque Mode and PID Configurations

Settings for torque control and PID loop operation.

HVAC Configuration

Motor and Brake Parameters

Motor Rated Parameters (Pr 06-09)

Sets motor current, speed, voltage, and power factor.

Parameter Access and Start/Stop Logic

Defines parameter access levels and start/stop terminal logic.

Brake Controller Enable (Pr 12)

Additional Parameter Descriptions

Security, Defaults, and Ramps (Pr 25-31)

Advanced Motor Control Parameters

Switching Frequency and Autotune (Pr 37, 38)

Sets switching frequency and enables autotune.

Motor Settings and Autotune

Motor Rated Frequency and Poles (Pr 39, 40)

Communications and Brake Control Parameters

Serial Communications Setup (Pr 43, 44)

Brake Control Settings (Pr 46-51)

Sets thresholds, frequencies, and delays for brake control.

Brake Functionality Details

Brake Function Logic Diagram

Brake Sequence Operation Diagram

Parameter Descriptions - Level 3

Diagnostic Parameters (Pr 81-95)

Quick Start Commissioning

Terminal Control Wiring

Shows minimum required terminal connections for control.

Commissioning Steps

Step-by-step guide for initial drive setup and autotune.

Keypad Control Commissioning

Keypad Control Wiring

Shows minimum required terminal connections for keypad control.

Keypad Commissioning Steps

Step-by-step guide for setup using keypad control.

Diagnostics and Troubleshooting

Trip Code Troubleshooting

Lists trip codes, conditions, and possible causes for drive faults.

DC Bus Voltage and Alarm Indications

Diagnostics Logic and Fan Control

UL Listing Information

Approval Marks and Conformity

AC Supply and Motor Protection Specs