Rexroth UMC Series Modules: UMC556000-03 Power Supply —

Technical Dossier

Product Details And Specifications

Bosch Rexroth UMC Series: Comprehensive Module Range and Technical Overview

The Bosch Rexroth UMC (Universal Motion Controller) series represents a standardized modular automation platform deployed across global heavy industry sectors including petrochemical refineries, nuclear power generation facilities, offshore oil & gas platforms, and large-scale chemical processing plants. The UMC architecture integrates motion control, I/O processing, and fieldbus communication into a unified backplane system, enabling deterministic real-time control across multi-axis drive configurations. Its installed base spans legacy installations from the early 2000s through current-generation hybrid deployments, making spare parts availability a critical operational concern for plant maintenance engineers worldwide.

The Evolution of UMC Series Architecture

The UMC series was introduced by Rexroth as part of its IndraControl platform family, designed to bridge the gap between standalone drive controllers and full DCS integration. Early-generation UMC modules (circa 2001–2006) operated on the SERCOS I fieldbus standard with 2 Mbit/s and 4 Mbit/s ring topologies. Mid-generation revisions (2007–2013) introduced PROFIBUS-DP and DeviceNet adapter compatibility, expanding integration with third-party PLCs including Siemens S7 and Allen-Bradley ControlLogix. Later variants incorporated PROFINET IO and EtherCAT interfaces, reflecting the industry shift toward Ethernet-based real-time protocols. Backplane compatibility between generations is version-specific; UMC modules from different firmware generations require careful cross-referencing before substitution. Many early-series modules have reached end-of-life (EOL) status per Rexroth's product lifecycle policy, transitioning maintenance responsibility to authorized spare parts distributors.

UMC Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked modules within the Rexroth UMC series, organized by functional category:

Power Supply Modules

• UMC556000-03: 24 VDC backplane power supply, 5 A rated output, rack-mount form factor
• UMC556000-01: 24 VDC power supply, 3 A output, early-generation UMC rack compatibility
• UMC556000-05: Redundant power supply module, dual-feed input, hot-swap capable

CPU / Controller Modules

• UMC600.2: Central processing unit, 32-bit RISC architecture, SERCOS II master
• UMC600.3: Enhanced CPU module, expanded RAM, dual SERCOS ring support
• UMC610.2: Motion controller CPU, 8-axis coordinated motion, IEC 61131-3 compliant
• UMC620.2: High-performance CPU, real-time Ethernet master, 16-axis capacity

Digital Input (DI) Modules

• UMC700.1: 16-channel 24 VDC digital input, 3 ms filter time, sink/source compatible
• UMC700.2: 32-channel 24 VDC digital input, high-density rack format
• UMC701.1: 16-channel digital input with diagnostics, short-circuit detection per channel

Digital Output (DO) Modules

• UMC710.1: 16-channel 24 VDC digital output, 0.5 A per channel, electronic fusing
• UMC710.2: 32-channel digital output, high-density, 0.3 A per channel
• UMC711.1: 8-channel relay output module, 2 A per channel, NO/NC configurable

Analog I/O Modules

• UMC720.1: 8-channel analog input, ±10 V / 0–20 mA, 12-bit resolution
• UMC721.1: 4-channel analog output, ±10 V / 4–20 mA, 12-bit resolution
• UMC722.1: Mixed analog I/O, 4 AI + 2 AO, configurable signal ranges

Communication Adapter Modules

• UMC750.1: PROFIBUS-DP slave adapter, 12 Mbit/s, DIN rail mount
• UMC751.1: DeviceNet adapter, 500 kbit/s, explicit and I/O messaging
• UMC752.1: PROFINET IO device adapter, 100 Mbit/s, RT and IRT class support

Sourcing Hard-to-Find & Obsolete UMC Series Parts

Bosch Rexroth has formally discontinued active production of multiple UMC series modules, with EOL notices issued between 2015 and 2022 for early-generation CPU, power supply, and I/O modules. DriveKNMS maintains a dedicated inventory of tested UMC spare parts to support lifecycle extension programs for facilities that cannot justify full system migration. Stock is sourced through controlled decommissioning projects, authorized distributor surplus, and manufacturer-certified refurbishment channels. For obsolete UMC modules including UMC556000-01, UMC600.2, and UMC700.1, DriveKNMS provides cross-reference verification, firmware version matching, and documented traceability records upon request. Long-term maintenance agreements (LTMAs) are available for facilities requiring guaranteed stock reservation over 12–36 month horizons.

Quality Control for the UMC Series Range

UMC series modules present specific test challenges due to their integrated backplane bus architecture and SERCOS ring communication dependencies. DriveKNMS applies a structured test protocol for all UMC inventory:

• Backplane bus integrity test: Each module is seated in a reference UMC rack and subjected to full backplane communication verification at rated clock speed.
• Power supply load test: Power supply modules including UMC556000-03 are tested at 100% rated load for a minimum of 30 minutes with thermal monitoring.
• I/O channel functional test: All digital and analog channels are individually verified against datasheet specifications using calibrated signal sources.
• Firmware version audit: CPU modules are read for firmware revision and cross-referenced against Rexroth's compatibility matrix before dispatch.
• Visual and mechanical inspection: Connector pins, backplane edge connectors, and housing integrity are inspected under magnification per IPC-A-610 Class 2 criteria.

All tested units are issued a DriveKNMS inspection report and shipped with ESD-protective packaging and humidity indicator cards.