Description
Product Overview
The ZYGO ZMI-2001 is a precision measurement board used in ZYGO displacement-measuring interferometer systems. It is a single-axis measurement board designed in a 6U VME format for integration into compatible measurement and motion-control systems.
ZMI measurement electronics process optical signals from interferometers driven by a ZMI laser source and calculate highly accurate displacement information. The ZMI-2001 belongs to the earlier ZMI 2000 measurement-board family and is designed for applications requiring precise position and displacement measurement.
The ZMI-2001 is particularly relevant to legacy precision measurement systems, semiconductor equipment, laser measurement platforms, and specialized motion-control installations. Public listings also show ZMI-2001 boards being removed from ESI laser systems, although the exact host system should always be verified from the installed equipment configuration.
Key Features
- ZYGO precision interferometer measurement board
- Model: ZMI-2001
- Single-axis measurement configuration
- 6U VME board format
- Designed for displacement and position measurement
- Part of the ZMI 2000 measurement electronics family
- Programmable through compatible system interfaces
- Suitable for precision metrology and motion-control systems
- Used in legacy laser measurement and semiconductor equipment
- Pre-Owned condition; physical condition and operational status should be verified from the actual unit
Technical Datasheet
| Parameter | Specification |
|---|---|
| Manufacturer | ZYGO |
| Model | ZMI-2001 |
| Product Type | Interferometer Measurement Board |
| Measurement Axes | 1 Axis |
| Board Format | 6U VME |
| Primary Function | Precision displacement / position measurement |
| Measurement Technology | Laser interferometer measurement electronics |
| Power Requirement | +5V DC ±5%, 3.5A |
| System Interface | VME / compatible system interface |
| Application | Precision metrology and motion control |
| Equipment Type | Laser measurement system |
| Board Revision | Verify from physical label |
| Associated Board P/N | Verify from actual unit |
The ZMI-2001 is identified as a single-axis 6U VME measurement board, with published specifications listing a +5V DC ±5% supply requirement at 3.5A.
Functional Description
The ZMI-2001 operates as part of a displacement-measuring interferometer system.
A typical measurement chain can be represented as:
ZYGO Laser Source → Optical Interferometer → ZMI-2001 Measurement Electronics → Position / Displacement Data → Motion or Measurement System
The board receives and processes measurement signals associated with the interferometer system and converts them into displacement information for use by the connected measurement or control platform.
ZYGO describes its ZMI measurement electronics as calculating displacement from optical signals generated by interferometers driven by a ZMI laser source.
Because interferometric measurement systems are often used where extremely small movement must be detected accurately, correct optical alignment, compatible laser hardware, system configuration, and measurement-board setup are important for reliable operation.
Typical Applications
The ZYGO ZMI-2001 can be found in precision applications such as:
- Semiconductor manufacturing equipment
- Laser measurement systems
- Precision positioning equipment
- Motion-control systems
- Optical metrology
- Scientific instrumentation
- Wafer-processing equipment
- High-precision manufacturing machines
- Advanced equipment calibration systems
- Legacy ESI laser-system configurations
Public listings specifically associate used ZMI-2001 boards with ESI laser-system equipment, but compatibility should be confirmed using the complete machine configuration and board revision.
Installation & Configuration Guide
Before replacing a ZMI-2001 board, confirm that the replacement matches the installed system.
1. Verify the Model
Check the complete identification:
ZYGO ZMI-2001
Also compare:
- Board part number
- Revision letter
- Connector layout
- VME interface configuration
- Front-panel markings
- Installed system configuration
Different ZMI-2001 boards may carry different assembly or revision numbers. Public listings, for example, show associated board markings such as 8020-121-01 Rev.F and 8020-0210-01-J. These markings should not automatically be assumed interchangeable without confirming the actual hardware revision.
2. Power Down the System
Shut down the complete measurement system according to the equipment manufacturer’s maintenance procedure.
Disconnect system power before removing or installing the board.
3. Use ESD Protection
The board should be handled using appropriate electrostatic discharge precautions.
Recommended handling procedures include:
- Grounded ESD wrist strap
- ESD-safe work surface
- Anti-static storage bag
- Handling the board by its edges
Avoid touching connector contacts or exposed electronic components unnecessarily.
4. Install the Board
Insert the board into the correct 6U VME slot.
Confirm that:
- The board is fully seated
- VME connectors are properly engaged
- Retaining hardware is secured
- Front-panel connections match the original configuration
- No cables or connectors are under mechanical stress
5. Verify System Operation
After installation, check:
- System power-up
- Board recognition
- VME communication
- Laser-system operation
- Interferometer signal detection
- Position-data output
- Measurement stability
- Equipment diagnostic status
A controlled measurement test using the original equipment procedure is recommended before returning the system to production use.
Maintenance & Inspection
For a Pre-Owned ZMI-2001 board, inspect the unit carefully before installation.
Recommended inspection points include:
- VME connector contacts
- Front-panel connectors
- PCB condition
- Heatsink condition
- Signs of overheating
- Corrosion or oxidation
- Damaged components
- Loose hardware
- Revision labels
- Board assembly number
If the board has been stored for a long period, functional testing in a compatible system is recommended before installation in production equipment.
Troubleshooting Reference
| Symptom | Possible Area to Check |
|---|---|
| Board not detected | VME seating, chassis configuration, power supply |
| No measurement data | Optical input, laser source, interferometer connection |
| Unstable measurement | Optical alignment, signal quality, system configuration |
| Communication error | VME interface and host-system configuration |
| System alarm | Board revision, cable connections, laser/interferometer status |
| Incorrect position data | Measurement configuration and interferometer setup |
Because the ZMI-2001 operates within a complete interferometric measurement system, a measurement problem may originate from the laser source, optical components, cables, host electronics, or the board itself.
Compatibility Notes
The ZMI-2001 should be replaced using the complete identification of the installed unit.
Compare:
Model + Assembly P/N + Revision + VME Configuration + Host Equipment
The ZMI 2000 family includes different measurement-board configurations. The ZMI-2001 is identified as a single-axis board, while the ZMI-2002 provides two axes of interferometry on a single 6U VME board. These configurations should not be treated as automatically interchangeable.
Pre-Owned Condition Note
This item is offered as Pre-Owned.
A pre-owned precision measurement board may show normal cosmetic signs of previous installation or storage. Before installation, buyers should verify:
- Physical condition
- Connector condition
- Board revision
- Compatibility with the installed system
- Functional status
For precision metrology applications, system-level testing is recommended after installation.
Product Identification
Brand: ZYGO
Model: ZMI-2001
Product: Measurement Board
Board Type: Single-Axis VME Measurement Board
Application: Laser Interferometer / Precision Position Measurement
Power Requirement: +5V DC ±5%, 3.5A
Condition: Pre-Owned
Recommended eBay SEO Title
ZYGO ZMI-2001 Single Axis 6U VME Interferometer Measurement Board Pre-Owned
Short Chinese Product Name
ZYGO ZMI-2001 | 单轴VME激光测量板
