Bosch Rexroth 1070089510-101 PCB Board

Technical Dossier

Product Details And Specifications

Bosch Rexroth 1070089510 Series: Comprehensive Module Range and Technical Overview

The Bosch Rexroth 1070089510 series represents a family of PCB control and interface boards deployed across the Indramat and Rexroth drive platforms, including the DKC, HDS, HMS, and HMD servo drive families. These boards are embedded in servo controllers and digital AC drive systems that remain operational in heavy industrial environments including petrochemical plants, nuclear power auxiliary systems, steel rolling mills, and offshore drilling platforms. The 1070089510 board series functions as the core signal processing and communication backbone within Rexroth drive cabinets, handling encoder feedback, fieldbus interfacing, and axis control logic. Due to the long service life of Rexroth drive systems — often exceeding 20 years in continuous operation — demand for these PCB assemblies as spare parts remains consistent globally, particularly in facilities that cannot justify full drive replacement during scheduled maintenance windows.

The Evolution of 1070089510 Architecture

The 1070089510 board series traces its lineage to the Indramat era, prior to Bosch Rexroth's full integration of the Indramat product line in the early 2000s. Early variants were designed for analog-digital hybrid control architectures used in the TDM and KDS drive families. As the platform matured into the DKC and HDS generations, the board architecture transitioned to fully digital signal processing with SERCOS and PROFIBUS-DP fieldbus support. Successive hardware revisions (denoted by the suffix after the hyphen, e.g., -101, -102, -103) introduced incremental changes to component tolerances, firmware compatibility, and EMC compliance ratings to meet evolving IEC and CE standards. Compatibility between revisions is not always guaranteed at the firmware level; engineers must verify the drive firmware version before substituting one board revision for another. The series entered its mature/end-of-production phase, meaning Bosch Rexroth no longer manufactures these boards as new production items. All procurement is sourced from authorized repair centers, certified refurbishers, or surplus inventory channels.

1070089510 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the Bosch Rexroth 1070089510 board series and related Rexroth drive PCB assemblies. Each unit is classified by primary function:

Control & Signal Processing Boards

• 1070089510-101: Main control PCB for Rexroth DKC/HDS drive; signal processing core
• 1070089510-102: Revised control board; updated EMC filtering and component spec
• 1070089510-103: Third hardware revision; enhanced thermal tolerance for high-cycle environments
• 1070089510-104: Final production revision; firmware compatibility extended to DIAX04

Encoder & Feedback Interface Boards

• 1070077836-101: Encoder evaluation board for resolver and EnDat feedback systems
• 1070077836-102: Revised encoder interface; supports Hiperface protocol
• 1070079272-101: Feedback processing board for multi-axis DKC configurations

Fieldbus Communication Boards

• 1070079271-101: PROFIBUS-DP slave interface board for Rexroth HDS/DKC drives
• 1070079271-102: PROFIBUS-DP board; revised isolation and baud rate support
• 1070080271-101: SERCOS II fiber optic interface board; ring topology support
• 1070080271-102: SERCOS II board; updated optical transceiver specification

Power Supply & Gate Drive Boards

• 1070086509-101: Gate drive PCB for IGBT power stage in HDS series drives
• 1070086509-102: Revised gate drive board; improved short-circuit protection logic
• 1070092525-101: Auxiliary power supply board; 24VDC logic rail regulation
• 1070092525-102: Updated auxiliary PSU board; extended input voltage range

I/O & Monitoring Boards

• 1070085902-101: Digital I/O expansion board; 16DI/16DO for drive safety interlocks
• 1070085902-102: Revised I/O board; updated optocoupler isolation rating
• 1070091234-101: Monitoring and diagnostics board; temperature and current sensing

Sourcing Hard-to-Find & Obsolete 1070089510 Series Parts

Quality Control for the 1070089510 Range

PCB boards in the 1070089510 series interface directly with the drive's backplane bus and IGBT gate drive circuitry, making functional verification a multi-stage process. DriveKNMS applies the following test protocol to all units in this series prior to dispatch:

• Visual inspection: Component-level examination for corrosion, cracked solder joints, burned traces, and capacitor degradation — common failure modes in boards exposed to high-humidity or high-vibration environments.
• In-circuit test (ICT): Automated board-level testing of passive and active components against reference values from the original Rexroth design specification.
• Functional drive test: Board is installed in a compatible Rexroth drive chassis and powered through a full initialization sequence, including encoder feedback loop verification and fieldbus communication handshake.
• Firmware compatibility check: Board hardware revision is confirmed against the target drive's firmware version to prevent post-installation faults.
• Burn-in cycle: Units are operated under load for a minimum of 4 hours to screen for latent component failures before packaging.

All tested units are issued a DriveKNMS inspection certificate with test date, technician ID, and hardware revision confirmation.