Indramat TDM analog servo drives

Modular analog servo amplifiers commonly paired with legacy MAC AC servo motors.

Litco TDM1.4-100-300-W1-000 controller on the repair bench with its top cover removed and tag visible — **Family example: TDM1.4-100-300-W1-000**. Repair reference with the cover removed. Exposed boards and test equipment do not represent a ready-to-ship unit. Historical shop photo, matched to inventory records—not a ready-to-ship unit. Call for current photos and condition.

Scrollable family inventory

TDM types Litco can check

The list below is a starting point, not the warehouse limit. Call with the full suffix from the tag for current condition, configuration and price.

Exact part number

TDM1.2-100-300-W1-000

TDM analog servo drive module

A 100 A, 300 VDC TDM servo-drive module with built-in fan cooling.

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Documented series

TDM1

Indramat TDM1 analog servo drives

TDM1 is a standard modular analog servo-drive branch documented with larger legacy MAC motor frames. Its MOD programming module and complete drive code must match the axis.

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Documented series

TDM3

Indramat TDM3 analog servo drives

TDM3 is a standard modular servo-drive branch documented for several MAC063 through MAC112B motor combinations. The MOD module and full code remain decisive.

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Documented series

TDM2

Indramat TDM2 analog servo drives

TDM2 is a legacy special module documented for selected MAC063 through MAC093 combinations. Controller, MOD module and motor nameplate should be matched together.

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Documented series

TDM4

Indramat TDM4 analog servo drives

TDM4 was developed for the smaller MAC021, MAC025 and MAC041 motor group and is a distinct compatibility family rather than a lower-current TDM3.

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Family overview

About TDM

TDM modules are identified by model, current class, DC-bus voltage and cooling arrangement. The original motor and cabinet supply should be included when confirming a replacement.

What to check before replacement or repair

A drive housing is only the starting point. Plug-in modules, firmware, feedback electronics and the connected motor can make visually similar controllers incompatible.

Complete hardware type code and current class
Installed command, communication and feedback modules
Firmware, software and parameter labels
Connected motor, supply module, cabinet cooling and fault history

Preserve the firmware label, parameter backup and installed module stack before removing the drive. Include the fault code and what the machine was doing when the failure appeared.

Helpful photos: the nameplate, complete unit, connections and shaft or cabinet context.

Call to check stock. Send the complete TDM type code so Litco can confirm configuration, condition and availability.

Get a replacement or repair quote.

Call to check stock, condition and lead time. Your part number carries into the form.

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