Siemens SIMOVERT MASTERDRIVES 6SE70 Modules: 6SE7090-0XX84-0FF5 A5E00364662 Drive Board –

Technical Dossier

Product Details And Specifications

Siemens SIMOVERT MASTERDRIVES 6SE70 Series: Comprehensive Module Range and Technical Overview

The Siemens SIMOVERT MASTERDRIVES (6SE70) series is a medium-to-high-power AC drive platform deployed across global heavy industry sectors including petrochemical refining, nuclear power auxiliary systems, cement production, steel rolling mills, and offshore oil & gas installations. Introduced in the early 1990s, the 6SE70 platform established a modular architecture that allowed engineers to configure drives from 0.55 kW to several megawatts using a standardized backplane and communication bus. Its installed base spans hundreds of thousands of units across Europe, Asia, and the Americas, making long-term spare parts availability a critical operational concern for plant maintenance teams.

The 6SE7090-0XX84-0FF5 A5E00364662 is a drive interface/control board used within the SIMOVERT MASTERDRIVES Vector Control and Motion Control variants. It serves as a core signal processing and gate drive interface component, responsible for coordinating IGBT firing sequences, encoder feedback processing, and internal bus communication between the control unit (CU) and the power unit (INU/AFE).

The Evolution of SIMOVERT MASTERDRIVES 6SE70 Architecture

The 6SE70 series progressed through three distinct hardware generations. The first generation (circa 1993–1998) used discrete analog signal conditioning on control boards, with CAN-based internal communication and limited fieldbus options. The second generation (1999–2006) introduced the CUVC (Control Unit Vector Control) and CUMC (Control Unit Motion Control) boards, standardizing the 6SE7090-0XX84 board family as the primary interface layer between control intelligence and power electronics. The third generation (2007–2015) added PROFIBUS-DP native integration, extended encoder support (HTL/TTL/SSI/EnDat), and improved EMC shielding on the board layout.

The platform reached end-of-active-production around 2016–2018, with Siemens designating SINAMICS S120 as the recommended migration path. However, due to the extensive installed base and the high cost of full drive replacement in legacy plant environments, the 6SE70 series remains in active service globally. Siemens extended limited spare parts availability through its Industry Mall, but many sub-assemblies—including specific drive boards such as the A5E00364662—have transitioned to third-party aftermarket supply chains.

SIMOVERT MASTERDRIVES 6SE70 Full Catalog & Functionalities (SKU List)

Control & Interface Boards

• 6SE7090-0XX84-0FF5 (A5E00364662): Drive interface board; IGBT gate signal distribution and encoder interface for Vector/Motion Control variants.
• 6SE7090-0XX84-0AB0: CUVC control unit board; core vector control processor for standard induction motor applications.
• 6SE7090-0XX84-0BC0: CUMC control unit board; motion control variant with extended positioning and synchronization functions.
• 6SE7090-0XX84-0KA0: Technology board T100; cam controller and positioning add-on for CUVC/CUMC platforms.
• 6SE7090-0XX84-0KE0: Technology board T400; high-speed process control with 4 analog inputs/outputs and 16 digital I/O.
• 6SE7090-0XX84-0KF0: Technology board T500; extended process automation with additional memory and I/O capacity.

Communication Adapter Boards

• 6SE7090-0XX84-0FF0: CBP2 PROFIBUS-DP communication board; supports up to 12 Mbit/s, DPV1 services.
• 6SE7090-0XX84-0FF1: CBC CAN bus communication board; CANopen DS301/DS402 profile support.
• 6SE7090-0XX84-0FF2: CBD DeviceNet communication board; Group 2 only server, explicit messaging.
• 6SE7090-0XX84-0FF3: CBL LON communication board; LonWorks FTT-10A transceiver, building automation integration.
• 6SE7090-0XX84-0FF4: CBCOM communication board; RS-232/RS-485 serial interface for legacy SCADA integration.

Power Supply & Auxiliary Boards

• 6SE7090-0XX84-0GA0: SCI1 serial I/O board; 8 digital inputs, 4 digital outputs, 2 analog inputs via fiber optic link.
• 6SE7090-0XX84-0GA1: SCI2 serial I/O board; expanded I/O with 16 digital inputs and 8 digital outputs.
• 6SE7090-0XX84-0HA0: ADB analog drive board; 4-channel analog input conditioning for process feedback signals.
• 6SE7090-0XX84-0JA0: Encoder evaluation board; HTL/TTL pulse encoder interface, max 300 kHz input frequency.
• 6SE7090-0XX84-0JB0: Resolver evaluation board; 2-pole to 128-pole resolver support, 14-bit resolution.
• 6SE7090-0XX84-0JC0: SSI/EnDat absolute encoder board; supports SSI up to 2 MHz clock, EnDat 2.1/2.2 protocol.
• 6SE7090-0XX84-0LA0: Brake control board; integrated safe brake management relay output, 24 VDC coil.

Sourcing Hard-to-Find & Obsolete SIMOVERT MASTERDRIVES 6SE70 Parts

DriveKNMS maintains a dedicated inventory program for the 6SE70 series, specifically targeting boards and sub-assemblies that have been discontinued from Siemens' active catalog. The 6SE7090-0XX84-0FF5 A5E00364662 and related interface boards are sourced through a combination of decommissioned drive buybacks, OEM surplus channels, and certified refurbishment of pulled units.

For plant operators facing extended lead times from authorized distributors—often 16–52 weeks for obsolete Siemens boards—DriveKNMS provides an alternative supply path with typical dispatch within 3–10 business days from verified stock. All units are supplied with full traceability documentation including part number, revision level, and test records. Cross-reference matching is available for boards where the A5E assembly number has superseded the original 6SE70 order number.

Quality Control for the SIMOVERT MASTERDRIVES 6SE70 Range

The 6SE70 drive boards present specific test challenges due to their multi-layer PCB construction, high-density SMD components, and dependence on proprietary Siemens ASIC gate drivers. DriveKNMS applies the following verification protocol to all 6SE70 boards prior to dispatch:

• Visual inspection: 10× magnification examination of solder joints, capacitor condition, and connector pin integrity.
• In-circuit test (ICT): Automated bed-of-nails testing for passive component values and short-circuit detection.
• Functional power-up test: Board energized at rated 24 VDC auxiliary supply; firmware boot sequence verified via diagnostic LED pattern and serial output.
• Backplane bus communication test: Board installed in a reference 6SE70 chassis; PROFIBUS/internal bus handshake confirmed with SIMOVERT MASTERDRIVES commissioning software (DriveMonitor).
• Encoder interface verification: HTL/TTL signal injection at rated frequency; output signal integrity confirmed on oscilloscope.
• Burn-in cycle: 48-hour thermal cycling at 40°C ambient to screen for early-life component failures.

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.