GE VMIVME-2128 Analog Output Board

1. Product Overview

The GE VMIVME-2128 is a high-performance 32-channel analog output board designed for precision control and signal generation in VME-based industrial automation systems. Built for demanding process environments, this module converts digital data into accurate analog signals, ensuring smooth and reliable operation in control loops, actuator systems, and data simulation setups.

As part of the GE Fanuc VME I/O family, the VMIVME-2128 offers outstanding accuracy, low drift, and robust protection circuits, making it ideal for mission-critical industrial applications.

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2. Technical Specifications

Parameter	Specification
Model	VMIVME-2128
Manufacturer	GE Fanuc / General Electric
Product Type	Analog Output Board
Number of Channels	32 voltage or current outputs
Output Range	0–10 V, ±10 V, 0–20 mA, 4–20 mA (software selectable)
Resolution	12-bit or 16-bit depending on configuration
Settling Time	< 10 μs per channel
Isolation	Channel-to-bus and channel-to-channel isolation
Update Rate	Up to 100 kHz
Interface	VMEbus (A16/A24, D16/D32)
Power Supply	+5 VDC, ±12 VDC
Operating Temperature	0°C to +60°C
Storage Temperature	–40°C to +85°C
Mounting	Standard 6U VME chassis slot
Weight	Approx. 0.5 kg

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3. Key Features

• High Channel Density: 32 independent output channels for multi-point analog control.

• Flexible Output Configuration: Each channel can be set for current or voltage mode.

• High Accuracy & Linearity: Ensures precise analog representation with minimal distortion.

• Advanced Protection: Short-circuit and overvoltage protection to safeguard the module and connected equipment.

• Low Crosstalk: Shielded design prevents interference between channels.

• Automatic Calibration: Built-in self-calibration enhances measurement consistency.

• Hot-Swap Capability: Allows replacement without shutting down the entire system (when supported by the chassis).

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4. Structure and Components

The GE VMIVME-2128 features a multilayer PCB design incorporating precision DAC (Digital-to-Analog Converter) chips, high-stability reference voltage sources, and isolation amplifiers.
A robust connector interface at the front panel allows secure wiring for field devices, while onboard LEDs provide quick status indications.

Its durable enclosure and industrial-grade electronic components ensure stable operation even under mechanical stress, high temperature, or electrical noise conditions.

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5. Application Fields

This module is widely used in systems that require accurate analog signal control or simulation, such as:

• Process Control Systems: Analog actuator and valve control.

• Aerospace and Defense: Simulation of analog sensors and control signals.

• Power Generation: Turbine control and excitation systems.

• Manufacturing Automation: Motor drive and motion control.

• Test and Measurement: Signal output for laboratory or production testing setups.

The VMIVME-2128 integrates seamlessly into GE VME controllers and other standard VMEbus platforms, ensuring compatibility and scalability across a wide range of industrial systems.

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6. Installation and Maintenance

• Installation: Insert the module into the designated 6U VME chassis slot, ensuring full connector engagement with the backplane.

• Cabling: Use shielded cables for analog outputs to reduce electrical noise.

• Environment: Maintain proper ventilation and avoid exposure to moisture or corrosive gases.

• Maintenance: Periodic inspection of connectors and calibration checks are recommended. Use anti-static precautions when handling the module.

• Software Configuration: Channel modes and scaling can be set via system software using the VMEbus interface.

  
  

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7. Summary

The GE VMIVME-2128 Analog Output Board delivers high accuracy, flexibility, and reliability for advanced industrial control and simulation applications. Its combination of high-resolution output, isolation protection, and robust design makes it an essential component in modern automation, testing, and control environments.

Whether integrated into existing GE Fanuc systems or new VME-based architectures, the VMIVME-2128 ensures long-term performance and seamless operation under the toughest conditions.