Lenze EVD481-E DC Drive 23A, 20.5kW 2 Quadrant
Repair
Repair Price: $ 832.00
Purchase
CSL Part Number: 10154
Product Overview: The Lenze EVD481-E is a 20.5kW, 2-quadrant DC motor drive from the 481 Simplatron series. It provides precise speed and torque control for DC motors in industrial applications including paper processing equipment. This drive operates in velocity or constant current mode and features adjustable current limiting and external feedback capability. The unit uses analog control inputs for speed reference and delivers phased motor output for bidirectional motor control in applications requiring controlled acceleration and deceleration.
Category: DC Motor Controls
Manufacturer: Lenze
Manufacturer Part Number: EVD481-E
Also Known As(AKA): 481
Common Failures
Common issues include units not responding to the speed potentiometer. Configuration-related concerns have been observed, such as a current limit potentiometer set to minimum, which can prevent proper operation.
Repair Approach
Repairs may involve adjusting configuration settings to the correct values based on customer specifications. Mechanical adjustments, such as straightening heatsinks for proper board mounting, may also be performed as needed to restore functionality.
Testing & Quality
Following repairs, diagnostic testing is conducted to confirm that the unit operates correctly. Testing may include verifying velocity mode operation and output phasing with an oscilloscope to ensure the unit achieves expected performance.
Service and repair your broken Lenze part
We can repair your Lenze model EVD481-E in our facility. Let our skilled technicians get your Lenze back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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