Xycom XVME135 I/O expansion board

Xycom XVME-135 Overview

Product Positioning:
The XVME-135 is a VMEbus I/O expansion board developed by Xycom (now part of Xycom Automation). It is designed for field I/O expansion in industrial automation systems. The board complies with the VME64x (or VMEbus) standard and can be directly inserted into a 6U VME backplane.

Main Technical Specifications

• I/O Channels: 32 digital I/O channels (configurable as input or output).
• Memory: Built-in EPROM for storing board-level configuration or user-defined logic.
• Operating Voltage: 110 V DC (compatible with most industrial power specifications).
• Form Factor: Standard 6U VME module with a front-panel pin header layout for convenient field wiring.
• Environmental Adaptability: Meets industrial-grade protection requirements; supports wide-temperature operation (-20 °C to +70 °C). Suitable for harsh environments such as workshops, machine tools, and automated production lines.

Key Features

• Plug-and-Play: Fully compliant with VMEbus specifications. Once inserted into the backplane, the module can be accessed directly through the VME address space without additional drivers.
• High-Speed Digital I/O: Each I/O channel supports 5 V TTL/CMOS levels with microsecond-level response speed, meeting real-time control requirements.
• Programmable EPROM: Users can program custom I/O configurations (such as pull-up/pull-down settings, input filtering, etc.) either before deployment or in the field, improving flexibility.
• Reliability-Focused Design: Built with industrial-grade components, anti-interference PCB layout, and surge/lightning protection. Complies with safety standards such as IEC 60730 and IEC 60947.
• High Compatibility: Seamlessly integrates with other Xycom XVME modules (e.g., XVME-240, XVME-530) and third-party VME devices, making system expansion easier.

Typical Applications

• PLC and DCS Expansion: Provides additional digital I/O points for existing PLC/DCS systems; commonly used for acquiring and controlling field signals such as sensors, switches, and relays.
• Machine Vision and Motion Control: Supports synchronous triggering or status feedback in high-speed packaging machines, CNC equipment, and other motion systems.
• Data Acquisition and Monitoring: Works with upper-level computers or SCADA systems to achieve real-time reporting of field status.
• Test and Measurement Instruments: Used in laboratory or field testing platforms for generating or capturing digital signals.

Summary

The Xycom XVME-135 is a 32-channel digital I/O VME module designed for industrial environments, featuring programmable EPROM, 110 V DC operation, and a standard 6U form factor. It provides reliable I/O expansion for automation, control, and monitoring applications. Compliant with the VMEbus standard, it integrates easily with existing Xycom or third-party VME devices, making it an ideal choice for increasing digital signal capacity quickly and reliably.