HDS03.2-W100N-HT19-02-FW

HDS Drive Controllers

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The HDS03.2-W100N-HT19-02-FW drive controller from Bosch Rexroth Indramat is part of the HDS Drive Controllers series. It features a DIAX04 controller family, supports SERCOS command communication interface, delivers a rated current of 100 A, and employs a built-in internal air blower for cooling. It belongs to product group HDS with function ID code 19 and version 2. It is designated as line 03.

Technical Specifications

Command Communication Interface
SERCOS

Controller Family
DIAX04

Cooling Method
Built-in Internal Air Blower

Line
03

Other Versions
None

Product Type
HDS Drive Controller

Rated Current
100 A

Version
2

Function ID Code
19

Product Group
HDS

Frequently Asked Questions

What are the trade-offs when using higher switching frequencies (e.g. 4 kHz or 8 kHz) with this type of controller?

Higher switching frequency can improve smoothness, reduce torque ripple, and allow faster motor response, but increases switching losses in the IGBTs and demands better cooling; continuous current available at 8 kHz is lower than at 4 kHz. Also electromagnetic interference (EMI) increases at higher frequency, making layout, filtering, and cable shielding more critical.

What cooling challenges arise if the built-in blower fails, and how is protection handled?

If blower fails or airflow is blocked, heatsink temperature will rise rapidly causing over-temperature shutdown; documentation shows warnings and then shutdown if heatsink temperature exceeds limits. It’s advisable to design a monitoring scheme (e.g. temperature sensors or warning flags) and plan for redundancy or maintenance access.

What are the real-world continuous current capabilities at different switching frequencies for a 100 A model like HDS03.2?

For example, the HDS03.2-W100N variant delivers ~50 A continuous at 4 kHz and ~35 A at 8 kHz in similar configurations. Thus for heavy duty or high speed applications, you’ll often be limited by continuous current, not just the 100 A rating.

What considerations should be made for feedback and motor compatibility with DIAX04-HDS drive controllers?

The controller supports various motor feedback types; correct feedback (resolver, encoder) must match both cable length limits and resolution, as feedback errors degrade performance or may cause fault codes. Also motor types (e.g., 2AD, 1MB, MKD, MHD) must be matched in terms of thermal behavior, inertia, and torque capability so the controller isn't overloaded.

How does the designation “HDS03.2-W100N-HT19-02-FW” by Bosch Rexroth Indramat relate to its functional role and interchangeability?

The “HDS03.2” indicates the DIAX04-03 line, 100 A version; “HT19” is Function ID code which defines communication module, additional I/O and firmware features; “02” is the version and “FW” denotes firmware variant. If any part of that code differs (e.g. HT19 → HS12 / function ID or version), the controller may look similar but will have different capabilities or incompatible firmware or module layout.

Common Misspellings

Internal Product Review

The HDS03.2-W100N-HT19-02-FW is a drive controller from Bosch Rexroth Indramat, featuring a 100A rated current and a built-in internal air blower for cooling. It uses the SERCOS communication interface and is designed for industrial applications like robotics, packaging, and textile machinery. This drive controller integrates seamlessly with various motors, offering efficient control in demanding automation environments.