HDS03.2-W100N-HS93-01-FW

HDS Drive Controllers

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The HDS03.2-W100N-HS93-01-FW from Bosch Rexroth Indramat is part of the HDS Drive Controllers series. Features SERCOS command communication, DIAX04 controller family design, built-in internal air blower cooling, and rated current of 100 A. The controller carries a Function ID Code of 93 with Function ID Version 1 and is designated as Version 2 of the product. It is configured for line 03 and has no other versions available.

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
93

Version of Function ID
1

Frequently Asked Questions

What does the “100 A rated current” mean in terms of sizing the HDS03.2-W100N-HS93-01-FW drive for a motor load?

It means the controller can continuously supply 100 A without overheating under its specified ambient conditions; to avoid overload, motor’s current (plus dynamic/starting current) should stay within or below this rating. Also one must account for the thermal losses and derating if ambient temp or enclosure ventilation is worse than spec.

What are the advantages of using SERCOS communication in this drive architecture?

SERCOS provides deterministic, real-time Ethernet/fiber-optic communication, enabling tight synchronization (low jitter) for motion applications like robotics or multi-axis machining. It also supports diagnostics and high-speed feedback which help in control tuning and reliability.

In what industrial applications does this 100 A HDS drive excel, and when might it be overkill?

It excels in heavy motion applications that require high torque or long acceleration (robotics, large machine tools, packaging lines, handling systems) where precise control and real-time communication matter. It may be overkill (higher cost, larger footprint, higher cooling/energy demands) for small servo tasks or low-current motors where smaller drives with simpler communication suffice.

Can the Bosch Rexroth Indramat HDS03.2-W100N-HS93-01-FW handle regenerative energy, and what are the design considerations around that?

The drive design (like many in the HDS series) may return energy to the DC bus during deceleration or braking, but an external shunt resistor or regenerative unit may be required to dissipate or redirect excess energy; the cabinet and power supply must provide for this, including adequate heat dissipation and layout for any regenerative hardware.

What are losses inside the drive (controller + switching) and how do they affect power supply sizing?

Aside from motor current, switching, conduction, and cooling blower losses contribute significant heat: from the manufacturer's documentation, the drive stage power losses scale with switching frequency (e.g. 4 kHz) and current draw; these losses must be supplied by the power supply and managed by the power electronics.

Common Misspellings

Internal Product Review

The HDS03.2-W100N-HS93-01-FW, by Bosch Rexroth, is an advanced HDS Drive Controller with a 100 A rated current. It integrates with the DIAX04 controller family and uses a built-in internal air blower for cooling. Ideal for automation, robotics, and industrial machinery, it supports SERCOS communication for precise control.