Densan DVE-721-PbF (9545A) - Image 1
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Densan DVE-686-51 (9538)
Densan DVE-686-51 (9538)
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Densan DVE-OP60C-20A (9274)
Densan DVE-OP60C-20A (9274)

Densan DVE-721-PbF (9545A)

Product Name​
Densan DVE-721-PbF Analog I/O VME PCB Card, Suffix 9545A
Product Overview​
Densan DVE-721-PbF (9545A) is an analog input and output VME printed-circuit board removed from Rudolph F30 300 mm wafer mounter and defect inspection systems. The card is manufactured in Japan and supplied through semiconductor spare-part channels as working surplus.
Category:
Description
Technical Specifications​
Confirm exact channel count, analog input range, analog output range, converter resolution, sampling rate, VME slave or master configuration, and power consumption from the Densan DVE-721 series datasheet. Public surplus listings verify the analog I/O function and VME form factor but do not publish full electrical tables for code 9545A.
Functional Features​
The board provides analog signal interfacing for semiconductor manufacturing equipment, supporting sensor input acquisition and actuator output control through the VMEbus backplane.
Application Scenarios​
Use the card in Rudolph F30 300 mm wafer mounter and defect inspection systems, semiconductor fab service inventories, and VME-based analog I/O replacement projects where Densan DVE-721 compatibility is required.
Performance Parameters​
Target performance includes stable analog acquisition, accurate output drive, low crosstalk, and reliable VME transaction timing. Final values must be taken from the original Densan calibration sheet and board test report.
Material Composition​
The card uses a multilayer FR-4 VME board, gold- or tin-plated VME edge connector, surface-mount analog components, converter devices, operational amplifiers, and industrial-grade passive components.
Structural Characteristics​
The assembly follows a VME PCB format sized for the 300 mm semiconductor tool environment, with analog connectors, bus interface components, and onboard signal-conditioning sections arranged for backplane insertion.
Working Principle​
Analog input signals are filtered and converted to digital values by onboard analog-to-digital circuitry, then transferred to the VME host. Digital commands from the host are converted by onboard digital-to-analog circuitry and driven to field actuators through the output conditioning stage.
Installation Requirements​
Insert the board into a compatible VME chassis slot with correct orientation. Verify backplane supply voltages before power-on. Confirm system firmware and slot address settings. Use proper ESD handling during insertion and removal.
Usage Precautions​
Do not operate the card outside the Rudolph F30 or qualified VME system configuration without Densan approval. Protect analog inputs from overvoltage. Perform calibration verification after any board replacement in metrology or inspection equipment.
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