Products Description
XYCOM AIO XVME-540 is a high-performance analog input and output module (I/O Module)designed for the VMEbus architecture, a standard in industrial and mission-critical control systems. It provides a versatile interface for process control by offering multiple analog input channels for data acquisition and several analog output channels for precise device control. Engineered for reliability in harsh environments, this module features high-resolution signal conversion, flexible channel configuration, and robust construction, making it an ideal solution for applications in manufacturing, energy, and transportation requiring precise analog signal management.
1. Brand & Product Overview
- Brand: XYCOM (Owned by Acromag / Xembedded, USA industrial VME control brand)
- Model: XVME-540 (Part No:70540-001), 3U single-height VMEbus integrated analog input + output boardXYCOM
- Product Type: High-speed 12-bit AIO data acquisition & process control card, works as slave I/O for XVME-601 / XVME-602 VME CPU controllers
- Lifecycle: OEM discontinued, exclusive spare for legacy printing, extrusion, packaging, test bench automation lines
2. Core Analog Input (AI) Specifications
Channel Configuration (Jumper Selectable)
- Mode 1: 32 single-ended analog input channels
- Mode 2: 16 differential analog input channels (better noise suppression for factory heavy EMI)
Conversion & Gain
- Resolution: 12-bit A/D conversion
- 3 programmable gain ranges (jumper configured):
- Range 1: Gain ×1, ×2, ×5, ×10
- Range 2: Gain ×4, ×8, ×20, ×50, ×100
- Range 3: Gain ×10, ×20, ×50, ×100
- Signal Type: Supports unipolar / bipolar voltage signals (±10V, ±5V, 0–10V, 0–5V); compatible with 4–20mA transmitters via external 3B signal conditioners
Sampling Speed & Modes
- Single-channel sampling throughput: 40kHz (conversion time <25μs)
- Sequential/random/external trigger sampling: 20kHz (conversion time <50μs)
- Four built-in sampling logic: Single channel, sequential scan, random channel, external hardware trigger capture
Electrical Protection
- Max input voltage: 44V powered on, 30V powered off
- High input impedance: ~22MΩ, minimal load to field sensors (pressure, temperature, flow)
3. Analog Output (AO) Specifications
- Channel count: 4 independent analog output channels
- Resolution: 12-bit D/A conversion per channel
- Per-channel jumper selectable output mode:
- Voltage output: ±10V / 0–10V / 0–5V
- Current loop output: 4–20mA (direct drive for valves, actuators, frequency converters)
- Onboard isolated DC/DC power supply for AO loop power, no external auxiliary power requiredXYCOM
- Onboard trim potentiometers for zero offset & full-scale calibration adjustment
4. VMEbus Interface & Hardware
- VMEbus standard: A16/A24 address, D08/D16 data width, VME slave device
- Interrupt: Jumper configurable VME IRQ 0–7 levels for end-of-conversion trigger
- Front panel: Dual 50-pin high-density terminal connectors (P1=AI, P2=AO)
- Status indicators: Power LED, bus active LED, fault LED
- Mechanical: Standard 3U VME single-height form factor, DIN rack slot mountXYCOM

