Xycom XVME401
Xycom XVME-401 is a VMEbus Quad Serial I/O module manufactured by XYCOM Automation, designed specifically for high-speed serial communication in industrial control systems.
Key Features
| Item | Description |
|---|---|
| Module Type | Single-height, single-width VMEbus board (3.9 × 6.3 inches) |
| Interfaces | Four RS-422A/RS-485 serial ports (each independently programmable) |
| Controller Chips | Two Zilog Z8530 SCCs (Serial Communication Controllers), supporting asynchronous, byte-synchronous, and bit-oriented protocols |
| Baud Rate | Asynchronous up to 57.6 kbaud; internal synchronous up to 500 kbaud |
| Interrupts | Configurable via jumpers to generate interrupts on any of the 7 VMEbus interrupt levels |
| Power Requirements | +5 V @ 1.4 A (typical), +12 V @ 1.6 A (typical) |
| Environmental Specs | Operating temperature 0 °C–65 °C; storage temperature –40 °C–85 °C; vibration and shock compliant with VMEbus standards |
| Dimensions | 99.06 mm × 160.02 mm (3.9 × 6.3 inches) |
Application Scenarios
- Serial communication bridging in Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC)
- RS-422/RS-485 interconnection with fieldbus networks or instruments from ABB, Honeywell, Yokogawa, etc.
- Industrial automation, process control, aerospace, and other fields requiring multiple independent serial ports, programmable baud rates, and interrupt control
Differences Compared to Related Models
- XVME-400 provides four RS-232C ports
- XVME-401 uses RS-422A/RS-485 instead, offering more reliable long-distance communication in high-noise environments
Summary
In short, the Xycom XVME-401 is a four-channel RS-422/RS-485 serial I/O module for VMEbus systems, featuring programmable baud rates, independent interrupts, and robust industrial-grade environmental tolerance. It is commonly used in industrial control applications requiring multiple channels of high-speed serial communication.
Main Brand:
ABB Allen-Bradley Alstom Bently Emerson Foxboro
GE MOOG Schneider Woodward HIMA Honeywell
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