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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more

Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more

Parts

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Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Siemens VFD Drive Control Unit Sinamics CU240E-2 PN

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Maintenance Plans for Siemens VFD Drive Control Unit Model Sinamics CU240E-2 PN

Integrate maintenance plans directly into your work orders in MaintainX.

Power Module With Enabled Safety Function Replacement

WARNING: Electric shock due to residual charge in the Power Module

Check the safe isolation of the Power Module connections before carrying out installation work.

NOTICE: Motor damage due to interchanged motor connecting cables

Connect the three phases of the motor lines in the right order.

After replacing the Power Module, check the direction of motor rotation.

Power Module Replacement Steps

Switch off the line voltage of the Power Module.

Remove the connecting cables of the Power module.

Remove the Control Unit from the Power Module.

Run this procedure

Control Unit With Active Know-How Protection Replacement

Replacing devices with know-how protection without copy protection

Transfer inverter settings to another inverter using a memory card

Refer to Page 373 for saving settings on memory card

Refer to Page 376 for transferring settings from the memory card

Replacing devices with know-how protection with copy protection

Option 1: Manufacturer knows only the serial number of the new inverter

Information provided by end customer to machine manufacturer

Steps performed by machine manufacturer on prototype machine

Deactivate know-how protection

Run this procedure

Control Unit With Enabled Safety Function Replacement

Replacing a Control Unit with data backup on a memory card

Disconnect the line voltage to the Power Module and external 24 V supply, if installed.

Remove the signal cables from the Control Unit.

Remove the defective Control Unit.

Remove the memory card from the old Control Unit and insert it in the new Control Unit.

Mount the new Control Unit on the Power Module ensuring it has the same article number and firmware version.

Reconnect the signal cables of the Control Unit.

Switch on the line voltage again.

Check what the inverter reports after loading.

Run this procedure

Power Module Without The Safety Function Being Enabled Replacement

Switch off the supply voltage to the Power Module

Remove the connecting cables of the Power Module

Remove the Control Unit from the Power Module

Replace the old Power Module with the new Power Module

Mount the Control Unit onto the new Power Module

Connect up the new Power Module using the connecting cables

Motor damage due to interchanged motor connecting cables

Connect the three phases of the motor lines in the right order

After replacing the Power Module, check the direction of motor rotation

Run this procedure

Control Unit Without Enabled Safety Function Replacement

Replacing a Control Unit with data backup on a memory card

Disconnect the line voltage to the Power Module and (if installed) the external 24 V supply or the voltage for the digital outputs of the Control Unit.

Remove the signal cables from the Control Unit.

Remove the defective Control Unit.

Mount the new Control Unit on the Power Module. Ensure it has the same article number and the same or higher firmware version as the replaced Control Unit.

Remove the memory card from the old Control Unit and insert it in the new Control Unit.

Reconnect the signal cables of the Control Unit.

Switch on the line voltage again.

Did the inverter load the settings from the memory card?

Run this procedure