Description
3. Key Technical Specifications
The Zygo 8010-0105-02 ZMI-501 is a VMEbus-based measurement board designed for high-precision, high-velocity displacement measuring interferometers (DMI) in advanced positioning applications.
| Parameter | Value |
|---|---|
| Part Number | 8010-0105-02 |
| Model / Series | ZMI-501 (Zygo Measurement Interferometer) |
| Manufacturer | Zygo Corporation |
| Form Factor | Standard VMEbus eurocard plug-in module |
| Signal Inputs | Fiber-optic / BNC optical receiver reference and measurement signals |
| Resolution | Sub-nanometer displacement measurement capability |
| System Compatibility | Zygo ZMI 2000, 7702, and 7714 He-Ne Laser Heads |
| Bus Interface | VMEbus 32-bit architecture for real-time motion controller integration |
| Operating Temperature | +10°C to +40°C |
4. Product Introduction & Supply Chain Strategy
The Zygo 8010-0105-02 ZMI-501 Measurement Board is a core DSP signal processing engine used in precision optical metrology and semiconductor manufacturing equipment (such as wafer steppers, scanners, and coordinate measuring machines). It accepts high-frequency reference and doppler-shifted measurement signals from external optical receivers, calculating phase shifts in real time to feed position feedback directly into VME-based motion control loops.
Maintaining an uninstalled 8010-0105-02 card as New Surplus inventory is a critical strategy for preventing multi-million-dollar semiconductor line shutdowns. Axis measurement board failures freeze stage motion entirely. Sourcing a genuine New Surplus unit ensures unheated high-speed digital logic, clean backplane edge gold contacts, and immediate drop-in restoration without requiring system recalibration or expensive upgrade migrations to newer bus architectures.

8010-0105-02 ZMI-501

8010-0105-02 ZMI-501
5. Installation & Configuration Guide
ESD & Backplane Bus Safety Warning
Electrostatic discharge (ESD) can permanently damage high-frequency DSPs and optical signal processing ICs on the ZMI-501 card. Always wear a grounded wrist strap and power down the VME enclosure prior to inserting or removing boards.
1
System Inhibit & VME Rack Shutdown
Prerequisite
1.System Inhibit & VME Rack Shutdown:Prerequisite.
Halt all stage motion routines and remove drive power from stage actuators. Power down the VME crate main power supply and isolate line power.
2
Fiber/Signal Extraction & Board Removal
Removal
2.Fiber/Signal Extraction & Board Removal:Removal.
Label and disconnect all incoming optical fiber leads and coax reference cables from the front panel. Loosen top and bottom board locking screws, then use ejector handles to unseat the old card from the VME backplane.
3
Hardware Replacement & Seating
Insertion
3.Hardware Replacement & Seating:Insertion.
Align the replacement 8010-0105-02 ZMI-501 card with card guide slots. Slide the module firmly into the chassis until the VME pins seat completely into the backplane, then lock retaining screws.
4
Reconnecting Signals & Axis Verification
Commissioning
4.Reconnecting Signals & Axis Verification:Commissioning.
Re-land optical fiber and coax cables onto their respective front-panel connectors. Re-apply VME rack power, verify diagnostic status LEDs, and run axis zero-point calibration via host controller software.
6. Firmware/Software Versions & Upgrade Notes
- Hardware Compatibility: Fully compatible with Zygo ZMI 2000 and 7702/7714 series laser heads and optical receivers.
- Jumper Settings: Ensure onboard configuration DIP switches or jumpers match the VME base address and interrupt level settings of the original board being replaced.
- Optical Input Care: Keep fiber-optic connectors clean; use high-purity optical cleaning swabs before re-attaching signal lines to avoid signal attenuation.
7. Frequently Asked Questions (FAQ)
Q: Is this Zygo 8010-0105-02 ZMI-501 board genuinely new? A: Yes, this item is a Brand New Surplus unit. It has never been installed in a VME rack or placed into fab service, and is preserved in static-shielding protective packaging.
Q: Why choose New Surplus over refurbished ZMI processing boards? A: High-frequency DSP boards subjected to years of continuous operation in thermal VME enclosures suffer from solder-joint stress and capacitor aging. Refurbished boards carry higher risks of timing drift and random communications glitches. New Surplus provides pristine factory-fresh component reliability.
Q: What laser heads work with the card? A: The measurement board processes heterodyne signals from standard dual-frequency He-Ne lasers, including Zygo ZMI 7702, 7714, and 7705 laser sources.
Q: What warranty accompanies this unit? A: Every Zygo 8010-0105-02 board includes a full 1-year replacement warranty and a certified quality verification report prior to shipment.

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