How do I identify the correct TDA unit?
Use the complete type code, material number and revision from the nameplate. Clear photos of the label, full unit and connections help verify the configuration.
Drives, Amplifiers & Controllers / Product family
TDA Main-Spindle Drive Modules
Main-spindle drive modules where current, voltage, command, feedback and cooling fields must match the motor and machine.
Inventory record · verify stock
Model groups
Choose the series from the tag.
TDA1
Inventory record · verify stock
Legacy main-spindle drive controller identified by current class, command interface, feedback and option configuration.
Exact TDA inventory records
These complete designations have detailed product pages. Select a code to compare its configuration, then request verification of current stock and condition.
Manufacturer document trail
Bosch Rexroth Indramat Factory Service Documentation
Official legacy-product service and manufacturer-manual collection.
Use the document reference to check product-family context and edition availability. The physical nameplate, material number, revision and installed machine still govern any stock, repair or compatibility decision.
View manufacturer reference →Technical references / TDA
Looking up a displayed fault?
Find related diagnostic indexes and troubleshooting references. Check the firmware and document edition; a family match alone does not confirm applicability.
Common questions
Before you remove the unit.
Does Indramat.com show TDA stock?
An inventory-match status means Litco records contain this family. Call or submit the complete code so current stock, condition and the exact unit can be verified.
Can Litco repair or exchange TDA equipment?
The same intake can be routed for repair evaluation, exchange or replacement. Include the machine, fault symptoms and complete hardware configuration.
Availability · repair · exchange
Send the complete code.
The suffix can change electrical and mechanical compatibility. Include every character and a clear nameplate photo.