Acromag / Xembedded / Xycom XVME-202 PAMUX Controller Module

The Acromag/Xembedded/Xycom XVME-202 is a PAMUX Controller Module that interfaces VMEbus masters with OPTO 22 PAMUX I/O subsystems, enabling distributed data acquisition and control across extended network distances. Operating as an IEEE 1014-compliant A16:D08(0) DTB Slave, this single-height 6U card delivers high-speed access to remote I/O infrastructure while supporting up to 500 distributed I/O points via daisy-chained Intelligent Brain Boards located up to 500 feet from the VMEbus controller.

Technical Specifications

• IEEE 1014 compliant; functions as A16:D08(0) DTB Slave


• Base address jumper-selectable on 1 Kbyte boundaries within VMEbus Short I/O address space


• Read access time (DS0 to DTACK): 2500 ns typical, 2700 ns maximum


• Write access time (DS0 to DTACK): 500 ns typical, 600 ns maximum


• DTACK negation (DS0 negated to DTACK negated): 65 ns typical, 100 ns maximum I/O Multiplexing


• Supports up to sixteen PAMUX units, providing up to 512 individual control points


• Daisy-chaining architecture supports up to 500 I/O points total


• Remote I/O distance: up to 500 feet from VMEbus master Physical Specifications


• Form factor: Single-High, 6U VMEbus card


• Dimensions: 165.1 mm × 100.01 mm (6.5" × 3.94") Power Requirements


• Supply: +5 VDC, 1.6 A typical, 1.8 A maximum

Key Features

• Direct compatibility with OPTO 22 PAMUX 4, 5, 6, and 2 (8-bit) I/O systems


• Extended remote I/O capability for flexible system layout


• Fast VMEbus transaction times minimize latency in real-time control

Environmental Specifications

• Operating temperature: 0°C to 65°C (32°F to 149°F)


• Operating humidity: 20% to 95% RH, non-condensing


• Operating altitude: Sea level to 10,000 ft. (3048 m)


• Operating vibration: 5–2000 Hz, 0.015" peak-to-peak, 2.5 g maximum acceleration


• Operating shock: 30 g peak acceleration, 11 msec duration

Typical Applications

• Robotics control systems


• Numerical control machines


• Conveyor system management


• Machinery fault detection


• Real-time process control


• Multi-point data acquisition