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Siemens SINAMICS G120 CU240E-2 User Manual

Siemens SINAMICS G120 CU240E-2
290 pages
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Answers for industry.
SINAMICS
SINAMICS G120
Frequency inverter
with the Control Units CU240B-2 CU240E-2
CU240B-2 DP CU240E-2 DP
CU240E-2 F
CU240E-2 DP-F
Operating Instructions · 07/2010

Table of Contents

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Siemens SINAMICS G120 CU240E-2 Specifications

General IconGeneral
Product type designationSINAMICS G120 CU240E-2
Digital inputs6
Analog inputs2
Protection classIP20
Input voltage range3AC 380V to 480V ±10%
Output voltage range0V to input voltage
Rated currentRefer to the specific CU240E-2 model (e.g., CU240E-2 DP, CU240E-2 PN)
Output current rangeRefer to the specific CU240E-2 model (e.g., CU240E-2 DP, CU240E-2 PN)
Power ratingRefer to the specific CU240E-2 model (e.g., CU240E-2 DP, CU240E-2 PN)
Control typeV/f, vector control
Communication interfacesPROFIBUS
Operating temperature range-10 ... 50 °C (depending on the specific model and derating)
Relative humidity5% to 95%, non-condensing
Digital outputs2 relay outputs
AltitudeUp to 1000m without derating

Summary

Description

Connecting

EMC-compliant connection

Provides guidelines for safe, reliable, and disturbance-free inverter installation.

Commissioning

Commissioning with factory settings

Covers using factory settings for basic applications and their prerequisites.

Commissioning with STARTER

Details the steps for commissioning the inverter using the STARTER software tool.

Configuring the terminal block

Connection to a fieldbus

Communication via PROFIBUS

Covers connecting to PROFIBUS DP, recommended connectors, and configuring communication.

Communication via RS485

Covers integrating inverters into bus systems via the RS485 interface.

Functions

Motor control

Compares V/f control and vector control techniques for induction motors.

Protection functions

Covers protective functions against overtemperature, overcurrent, and DC link voltage.

Safe Torque Off (STO) safety function

Describes the commissioning of the STO safety function via fail-safe digital inputs.

Service and maintenance

Alarms, faults and system messages

Faults

Covers fault signals, fault buffer, fault history, and fault acknowledgement.

List of faults

Provides a comprehensive list of faults, their causes, and recommended remedies.

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