GE Fanuc / VMIC VMIVME-4116 – Multi‑Channel Analog Output Board for VMEbus Control Systems

The VMIVME-4116 is a legacy VMEbus analog output board widely used in factory automation, test stands, and energy systems where stable multi‑channel voltage outputs are required. From my experience, it’s the kind of card you drop into a 6U VME rack when you need dependable, simultaneous control signals to drives, valves, or setpoint interfaces—especially in long‑running installations that must match existing I/O behavior.

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• Warranty: 365 days
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Key Features

• Multi‑channel analog outputs – Typically 16 voltage output channels used for setpoints, actuator control, and signal simulation.
• VMEbus 6U form factor – Fits standard 6U VME chassis, making it easy to add or replace in existing racks.
• Industrial signal ranges – Common ranges include 0–10 V and ±10 V, suitable for drives, PLC analog input cards, and instrumentation.
• Backplane power – Draws regulated power from the VME backplane; no external power brick cluttering the cabinet.
• Legacy system friendly – Plays nicely with classic GE Fanuc/VMIC VME CPUs and many third‑party VME SBCs used in test & measurement.
• Serviceable design – Front panel access and standard connectors simplify field replacement and wiring checks.

Technical Specifications

One thing I appreciate is how predictable the output behavior tends to be during startup—helpful when you’re feeding legacy PLC AI modules that expect fixed ranges. You might notice that wiring practices and grounding make a real difference on noise floor; shielded runs usually pay off immediately.

Related or Supporting Products

• VMIVME-4110 – Similar VME analog output board; often found with different DAC resolution or update rates compared with 4116.
• VMIVME-4113 – Variant oriented to alternate output ranges or channel groupings; useful where current loops or special ranges are needed.
• VMIVME-3122 – Analog input board (A/D) commonly paired with 4116 for closed‑loop setups and data logging.
• VME Chassis & Backplanes – 6U VME rack with adequate cooling and PSU (+5 V, ±12 V rails) for mixed analog/digital cards.
• Shielded terminal breakout blocks & cables – For clean wiring to field devices and PLC AI modules; typically 0–10 V or ±10 V compatible.

Installation & Maintenance

• Cabinet & rack – Install in a 6U VME chassis with forced air cooling. Keep ambient within 0–55 °C; avoid heat sources on adjacent slots.
• Power & grounding – Verify backplane +5 V and ±12 V rails are within tolerance under load. Use a single‑point ground strategy to minimize noise.
• Wiring – Use shielded twisted pairs for analog runs, and route separately from high‑current lines. Tie shields to chassis ground at one end to reduce loops.
• ESD & handling – Observe ESD precautions; avoid hot‑plugging in VME unless the system is specifically designed for it (most are not).
• Calibration – In many cases, annual verification with a calibrated DMM is enough. Document per channel offsets if your process is tight on accuracy.
• Firmware & drivers – For older OS stacks (VxWorks, OS‑9, or custom RTOS), keep matching driver versions. If you upgrade the controller SBC, test output timing determinism.
• Spare strategy – For critical lines, keeping a tested spare board on the shelf typically shortens downtime to under an hour.

A maintenance manager at a turbine test facility told us the 4116 “just keeps doing what it’s supposed to do,” provided the rack cooling is clean and the analog wiring is kept short. That seems to be the common thread with these VMIC cards—treat the basics well and they run for years.

Quality & Certifications

• Certifications – CE (EMC) and UL recognition were typical for the family when shipped new; manufactured under ISO 9001 quality systems.
• RoHS status – Legacy versions may be non‑RoHS due to leaded solder; confirm per lot if RoHS compliance is required.
• Manufacturer warranty (historical) – Typically 1‑year limited warranty when sold new by the OEM.
• Our supply guarantee – 365‑day warranty on this unit with full functional testing before shipment.