Description
VMIC VMIVME-3220 – Multi‑channel VME Analog Output Board for Industrial Control and Test Stands
The VMIVME-3220 is a classic VMIC (now Abaco Systems) VMEbus analog output board designed for precise, repeatable voltage/current generation in automation cells, HIL rigs, and production test benches. From my experience, teams choose it when they need deterministic VME control with stable analog outputs that integrate neatly into existing crates. You might notice that it fits well in long-life programs where replacing an entire control platform isn’t feasible—retrofits, aerospace ground support, or utilities upgrades are common cases.
Typical deployments include driving proportional valves, simulating sensor signals for ECUs, feeding reference voltages to power electronics, or setting bias points in RF fixtures. One thing I appreciate is that, in many cases, the 3220 supports both standard voltage ranges (like ±10 V) and industrial current loops (such as 4–20 mA), so wiring practices stay familiar for plant electricians.
Order Placement Process and Guarantees
- Warranty: 365 days
- Lead time: 1 week if in stock; no more than one month at the latest
- Payment: 50% advance payment; full payment prior to delivery
- Express options: FedEx, UPS, DHL
Key Features
- Multi‑channel analog outputs – Engineered for simultaneous control of multiple setpoints across a test stand or process skid.
- Voltage and current ranges – Typically supports ±10 V and 4–20 mA style outputs, simplifying integration with common field devices.
- Stable, low-noise performance – Designed for deterministic control loops on VME backplanes; helps reduce drift in longer endurance tests.
- VMEbus compliance – Fits standard 6U VME slots and responds to conventional VME addressing/interrupt paradigms used in legacy and current systems.
- Field-friendly connection – Front‑panel high‑density connectors make it straightforward to land shielded cables to a nearby terminal panel.
- Long program support – Ideal for sustaining older installations where requalification of an entirely new platform would be costly.
Technical Specifications
| Brand / Model | VMIC (Abaco Systems) / VMIVME-3220 |
| HS Code | 8537.10 (control boards; confirm with your broker for your region) |
| Power Requirements | VME backplane supply (5 V and ±12 V rails, typical for analog I/O boards) |
| Dimensions & Weight | 6U VME Eurocard; approx. 233.3 × 160 mm; weight varies by assembly options |
| Operating Temperature | Typically 0 to +55 °C (commercial range; depends on board revision) |
| Signal Output Types | Analog voltage outputs (e.g., ±10 V); analog current outputs (e.g., 4–20 mA). Channel count and ranges depend on option code. |
| Communication Interfaces | Standard VMEbus interface for configuration and data; designed for use in 6U VME chassis |
| Installation Method | Plug‑in 6U VME card; front‑panel high‑density connectors to field wiring or breakout panel |
Note: Specifications can vary slightly by option code and board revision; if you share your exact P/N string, we can match ranges and connector pinout precisely.
Related or Supporting Products
- VMIVME-3230 – Similar analog output board family variant, often selected when higher resolution or different ranges are required.
- VMIVME-3122 – Companion analog input board for closed‑loop control and data acquisition in the same VME crate.
- VMIVME-745x series – Digital I/O modules for interlocks, status, and discrete control alongside the 3220.
- Shielded breakout/terminal panels – DIN‑rail screw‑terminal panels and mating shielded cables for clean field wiring and strain relief.
Quick field note from a power electronics customer: replacing a single legacy output channel used to require a custom interface. Swapping to a 3220 with a simple shielded breakout panel cut their downtime by half and kept noise well under their ±5 mV spec.
Installation & Maintenance
- Cabinet & chassis – Use a 6U VME chassis with adequate airflow. Ensure the 5 V rail capacity meets total slot load; analog boards typically prefer lower ripple.
- Ventilation – Maintain unobstructed intake/exhaust; target chassis intake air below 40 °C for best stability.
- Wiring – Use shielded, twisted pairs for analog runs; land shields at a single end to avoid ground loops. Keep high‑current loads away from low‑level analog lines.
- Grounding – Bond chassis ground and signal common thoughtfully; in many cases a star‑ground topology reduces hum.
- ESD & handling – Handle with an antistatic wrist strap; insert/remove only with power off to protect analog front ends.
- Routine checks – Verify output accuracy against a calibrated DMM quarterly or per your quality plan; clean dust from the card guides and front panel to maintain airflow.
- Firmware/drivers – Where applicable, keep crate controller software current and document the exact option code so channel ranges are mapped correctly in your I/O layer.
Quality & Certifications
- CE marking typically available on the family; UL/CSA often apply at the chassis/system level.
- RoHS status may vary by manufacturing date; many legacy VME boards ship under applicable exemptions.
- Manufacturer’s policy depends on the production lot; our supply guarantees a 365‑day warranty on function.
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