Acromag / Xembedded / Xycom XVME-293 Counter Module with Quadrature

The XVME-293 is a VMEbus-compatible counter module delivering 10 channels of high-speed counting with integrated quadrature input for direction and position feedback in industrial control systems. The module supports up to four simultaneous quadrature transducers and counts at rates to 5 MHz, making it suitable for motion control, encoder feedback, and precision measurement applications requiring VMEbus integration.

– Technical Specifications

Counting Architecture
• 10 counter channels
• Quadrature input support for direction and relative position sensing
• Counting rate: 5 MHz maximum
• Up to four quadrature transducers simultaneously

Output Channels
• 5 general-purpose output channels
• 1 frequency output (FOUT) channel
• Utility functions: frequency output, one-shot output, frequency division, pulse generation

VMEbus Interface
• Dual 96-pin, 3-row rear connectors
• Full VMEbus backplane compliance (physical and electrical)
• Interrupt generation: 7 programmable levels

Environmental
• Operating temperature: 0°C to 65°C (32°F to 149°F)
• Non-operating temperature: -40°C to 85°C (-40°F to 185°F)
• Humidity: 5% to 95% RH, non-condensing
• Mechanical shock (operating): 30g peak, 11 msec duration
• Vibration (operating): 5–2000 Hz, 0.015″ peak-to-peak displacement, 2.5g maximum acceleration

Physical
• Form factor: B-size, single-width front panel

– Key Features

• High-speed counting to 5 MHz supports fast encoder and transducer applications
• Quadrature decoding eliminates external signal processing
• Multi-transducer capability simplifies multi-axis motion feedback
• Seven interrupt levels enable flexible real-time control
• Frequency division and one-shot outputs add timing flexibility

– Typical Applications

• Motion control and servo positioning
• Encoder feedback and speed measurement
• Industrial automation counters
• Process control systems requiring precise position data
• Multi-axis machine tool control

– Compatibility & Integration

Designed for direct integration into VMEbus backplane systems, the XVME-293 pairs with standard VME controllers and I/O modules. Related XVME modules including the XVME-203 share similar architectural capabilities.