Delta Tau UMAC-CPCI PMAC2 Turbo CPU 603625-104 | SKU NNA1E222.1 –

Technical Dossier

Product Details And Specifications

Delta Tau UMAC-CPCI Series: Comprehensive Module Range and Technical Overview

The Delta Tau UMAC-CPCI (Universal Motion and Automation Controller – CompactPCI) platform is a high-density, rack-based motion control architecture deployed across global heavy industry sectors including petrochemical processing, nuclear power generation, precision semiconductor fabrication, and steel rolling mills. Built on the PMAC2 (Programmable Multi-Axis Controller, 2nd Generation) Turbo DSP engine, the UMAC-CPCI backplane supports up to 32 axes of coordinated motion with deterministic real-time performance. Its CompactPCI (CPCI) form factor ensures mechanical robustness and hot-swap capability, making it a preferred platform for continuous-process industries where unplanned downtime carries significant financial and safety consequences. The 603625-104 PMAC2 Turbo CPU (SKU: NNA1E222.1) is the central processing unit of this architecture, executing motion programs, PLC ladder logic, and real-time servo loop closure simultaneously.

The Evolution of UMAC-CPCI Architecture

Delta Tau's motion control lineage begins with the original PMAC (Programmable Multi-Axis Controller) introduced in the early 1990s, which established the foundation for DSP-based multi-axis servo control. The PMAC2 generation introduced a faster Motorola DSP56300-series processor, expanded memory addressing, and a refined servo interrupt structure capable of sub-millisecond loop closure. The UMAC-CPCI chassis was developed to package PMAC2 Turbo intelligence into a 6U CompactPCI rack, enabling modular I/O expansion via standardized CPCI slots. Key architectural milestones include the transition from PMAC1 ISA-bus cards to PMAC2 PCI/CPCI form factors, the introduction of the Turbo PMAC2 with enhanced floating-point DSP throughput, and the subsequent migration path toward the Power PMAC (UMAC-TURBO successor) based on PowerPC architecture. Compatibility considerations are critical: PMAC2 Turbo firmware is not binary-compatible with Power PMAC firmware; motion programs and PLC code require recompilation and logic review when migrating between generations. Legacy UMAC-CPCI systems running PMAC2 Turbo firmware (versions 1.940–1.945) remain in active service at facilities with long equipment replacement cycles, making certified spare parts availability a primary operational concern.

UMAC-CPCI Full Catalog & Functionalities (SKU List)

CPU / Controller Modules

• 603625-104 (NNA1E222.1): PMAC2 Turbo CPU, UMAC-CPCI main processor, 32-axis capable
• 603625-101: PMAC2 Turbo CPU, earlier revision, 8-axis base configuration
• 603625-108: PMAC2 Turbo CPU, extended memory variant for large program storage
• 603610-101: UMAC-CPCI Turbo PMAC2 CPU with integrated Ethernet option
• 603610-104: UMAC-CPCI CPU, dual-port RAM interface for host PC communication

Analog / Digital I/O Modules

• 602804-101: ACC-24E2A – 8-channel ±10V analog output, 16-bit DAC, servo drive interface
• 602804-102: ACC-24E2S – 8-channel analog output with encoder feedback input
• 602805-101: ACC-28E – 32-channel digital I/O, 24VDC, opto-isolated
• 602805-102: ACC-28E2 – 64-channel digital I/O expansion, CPCI slot-mounted
• 602806-101: ACC-65E – 16-channel analog input, 12-bit ADC, for process feedback

Encoder / Feedback Interface Modules

• 602803-101: ACC-51E – 8-axis incremental encoder interface, RS-422 differential
• 602803-102: ACC-51E2 – 8-axis encoder interface with SSI absolute encoder support
• 602803-104: ACC-51E4 – EnDat 2.2 / Hiperface absolute encoder interface module

Communication & Fieldbus Adapter Modules

• 602810-101: ACC-84E – PROFIBUS-DP slave adapter for UMAC-CPCI backplane
• 602811-101: ACC-85E – DeviceNet adapter, scanner/slave configurable
• 602812-101: ACC-86E – EtherCAT master interface for distributed I/O integration

Power Supply Modules

• 602800-101: UMAC-CPCI 6U Power Supply, 100–240VAC input, +5V/+12V/-12V regulated DC output
• 602800-102: UMAC-CPCI Redundant Power Supply module, hot-swap capable

Sourcing Hard-to-Find & Obsolete UMAC-CPCI Parts

The UMAC-CPCI platform entered its mature/end-of-active-production phase as Delta Tau (acquired by Kollmorgen/Danaher) transitioned its primary development focus to the Power PMAC and EtherCAT-native architectures. However, the installed base of UMAC-CPCI systems in long-lifecycle industries — nuclear instrumentation, offshore drilling control, and legacy CNC retrofit — remains substantial. OEM new-production availability for modules such as the 603625-104 and associated ACC-series I/O cards is no longer guaranteed through standard distribution channels.

DriveKNMS maintains a dedicated inventory program for UMAC-CPCI lifecycle extension, covering: verified surplus stock of CPU and I/O modules, component-level repair services for backplane and DSP board failures, firmware version matching to ensure compatibility with existing PMAC2 Turbo installations, and functional equivalency testing against OEM performance benchmarks. All sourced units are traceable to documented supply chains and are not refurbished without full disclosure.

Quality Control for the UMAC-CPCI Range

UMAC-CPCI modules present specific test challenges due to their CompactPCI backplane bus architecture and real-time DSP servo loop dependencies. DriveKNMS applies a structured validation protocol for all UMAC-CPCI units processed:

• Backplane continuity verification: All CPCI J1/J2 connector pins tested for impedance and signal integrity before module insertion.
• CPU boot sequence validation: The 603625-104 CPU is powered in a reference UMAC-CPCI chassis; PMAC2 Turbo firmware initialization, DSP clock lock, and DPRAM handshake with host interface are confirmed.
• Servo loop closure test: A closed-loop axis test with a reference encoder and simulated motor load verifies PID computation accuracy and interrupt timing.
• I/O module functional test: ACC-series analog and digital modules are tested for channel-by-channel output accuracy (DAC linearity ±0.05% FSR) and input threshold response.
• Fieldbus adapter enumeration: PROFIBUS and DeviceNet adapters are tested for correct GSD/EDS enumeration and data exchange with a reference master.
• Burn-in cycle: All CPU modules undergo a minimum 48-hour powered burn-in at ambient temperature to screen for early-life component failures.