Tokyo Electron TS-4000Z Series Modules — TS-4000Z-16 / 1181-000571-13 / MC-31151T / PCB0427 / CPUBH0400B / PCB0400 / MOBDH0427A / 3520783

Technical Dossier

Product Details And Specifications

Tokyo Electron TS-4000Z Series: Comprehensive Module Range and Technical Overview

The Tokyo Electron (TEL) TS-4000Z series represents a generation of control and process management hardware deployed across semiconductor fabrication facilities, chemical vapor deposition (CVD) systems, and etch process tools. These modules serve as the backbone of TEL's mid-generation process equipment platforms, with documented installations in 200mm and 300mm wafer fabs across Japan, South Korea, Taiwan, and the United States. In heavy-industry adjacent sectors — including specialty chemical processing and precision manufacturing — TS-4000Z control boards are found in equipment requiring deterministic real-time I/O management, multi-axis motion coordination, and high-reliability bus communication. The series is characterized by its modular PCB architecture, allowing field replacement of individual functional boards without full system teardown. Key assembly identifiers for this series include the MC-31151T controller chassis, PCB0427 main board, CPUBH0400B CPU daughter board, PCB0400 base board, and MOBDH0427A motion/I-O bridge board — all operating under the DRIVE 4005 AT control firmware environment.

The Evolution of TS-4000Z Architecture

The TS-4000Z platform was introduced as TEL's standardized control layer for its Trias and Vigus process tool families during the late 1990s and early 2000s. Early revisions used proprietary VME-derivative backplane communication with discrete I/O boards. The -16 suffix in TS-4000Z-16 denotes the 16-slot chassis configuration, which became the dominant form factor for multi-module process chambers requiring parallel I/O expansion.

The architecture evolved through three identifiable generations: (1) early boards with through-hole component density and EPROM-based firmware storage; (2) mid-generation boards incorporating surface-mount logic with flash-upgradeable firmware, represented by the PCB0427 and CPUBH0400B combination; and (3) late-production boards with enhanced EMI shielding and revised bus arbitration logic for compatibility with TEL's ACT-8 and ACT-12 cluster tool controllers. The MOBDH0427A bridge board was introduced in the second generation to resolve timing conflicts between the motion subsystem and the main I/O bus under high-throughput recipe execution.

Compatibility note: PCB0427 and PCB0400 are not interchangeable at the slot level without firmware reconfiguration. CPUBH0400B is a daughter-card assembly that mounts directly to PCB0427 and is not compatible with earlier PCB0300-series base boards. Integrators sourcing replacement boards must verify the assembly revision suffix (e.g., MOBDH0427A vs. MOBDH0427B) to ensure backplane timing compatibility.

TS-4000Z Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the Tokyo Electron TS-4000Z control platform. Each entry reflects a discrete functional board or assembly within the system hierarchy:

TS-4000Z-16: 16-slot main control chassis assembly for TEL process tools, houses all functional PCB modules.
1181-000571-13: Assembly part number for the complete MC-31151T controller board set, revision 13.
MC-31151T: Main controller board — manages recipe execution, chamber sequencing, and inter-module communication.
PCB0427: Primary process control board — interfaces CPU daughter card with backplane I/O bus.
CPUBH0400B: CPU daughter board — mounts on PCB0427; executes real-time control tasks and firmware logic.
PCB0400: Base I/O board — provides digital and analog I/O channel termination for process sensors and actuators.
MOBDH0427A: Motion and I/O bridge board — arbitrates between motion controller bus and main process I/O bus.
3520783: TEL internal assembly reference number for the DRIVE 4005 AT control unit sub-assembly.
DRIVE 4005 AT: Servo drive control unit integrated within the TS-4000Z chassis for axis motion management.
PCB0300: Earlier-generation base board — predecessor to PCB0400; incompatible with CPUBH0400B without adapter.
CPUBH0300A: CPU daughter board for PCB0300-series base boards; first-generation CPU module in the TS-4000Z lineage.
MOBDH0300A: First-generation motion bridge board; replaced by MOBDH0427A in mid-production chassis.
PCB0500: Expanded I/O board variant — additional analog input channels for multi-zone temperature control applications.
IOBDH0427A: Dedicated digital I/O expansion board — adds 32 DI/DO channels to the TS-4000Z-16 chassis.
COMBDH0427A: Serial communication adapter board — provides RS-232/RS-422 interfaces for peripheral device integration.
PWRBDH0400A: Internal power distribution board — regulates and distributes +5V, +12V, and +24V rails to all chassis slots.
MC-31151T-R: Factory-refurbished variant of MC-31151T with updated firmware and reconditioned bus connectors.
1181-000571-11: Earlier revision (rev. 11) of the MC-31151T assembly set — functionally equivalent with minor BOM differences.

Sourcing Hard-to-Find & Obsolete TS-4000Z Parts

The TS-4000Z series has entered the end-of-active-production phase. Tokyo Electron ceased new manufacture of the majority of TS-4000Z PCB assemblies as the platform was superseded by the TS-5000 and subsequent control architectures. This creates a documented supply gap for fabs and OEM service organizations that continue to operate TEL Trias, Vigus, and related process tools on extended lifecycles.

DriveKNMS maintains a dedicated inventory program for TS-4000Z series components sourced from decommissioned equipment, controlled factory surplus, and verified third-party refurbishment channels. All units are cataloged by part number, revision suffix, and functional test status prior to listing. For assemblies such as CPUBH0400B and MOBDH0427A — which are subject to firmware version dependencies — DriveKNMS provides revision documentation alongside each unit to support integrator compatibility verification. Long-term maintenance contracts and consignment stocking arrangements are available for high-volume fab operators requiring guaranteed availability windows beyond standard spot-market sourcing.

Quality Control for the TS-4000Z Range

TS-4000Z boards present specific test challenges due to their multi-layer PCB construction, proprietary backplane bus protocol, and firmware-dependent initialization sequences. DriveKNMS applies a structured test protocol for all TS-4000Z assemblies prior to shipment:

Power-on verification is conducted using a TS-4000Z-16 chassis test fixture to confirm correct rail voltages at each board slot. Bus communication integrity is validated by cycling the MC-31151T controller through its full initialization sequence and confirming handshake acknowledgment from PCB0427 and MOBDH0427A. CPU daughter boards (CPUBH0400B) are tested for firmware boot completion and real-time task scheduler responsiveness. Motion bridge boards (MOBDH0427A) are subjected to simulated axis command sequences to verify timing arbitration under load. All boards are inspected for electrolytic capacitor condition, connector pin integrity, and conformal coating status. Units exhibiting marginal bus timing or capacitor ESR values outside specification are flagged for component-level refurbishment before release.