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Product Model: RMIO-01C
- Product Brand: ABB
- Product Series: RMIO (Drive control board series)
- Product Features:
• Control board / CPU kit designed for ABB ACS800 series drives (part number RMIO-01C, product ID 68463815)
• PCB kit including connection board, used for signal processing, communication, I/O tasks within ACS800 drives
• Compact size (approx 240 × 100 × 10 mm), weight approx 0.18–0.21 kg; marketed as “PCB KIT”
Applications & Industry Context
In industrial drive systems—such as those for conveyors, pumps, compressors, fan systems, and heavy-duty motor control—the heart of the control electronics often resides in a dedicated CPU and I/O board. The ABB RMIO-01C board plays precisely that role within the widely-used ABB ACS800 drive family. When a drive fails or the control board malfunctions, the downtime can extend considerably because logic, parameters, and communication functions are interrupted.
For example, in a manufacturing plant using multiple ACS800 drives on critical motor loads, a failed RMIO-01C means that one drive may be taken offline until a replacement board is inserted, software loaded, and commissioning verified. With supplies of newer models or full drive replacements often long lead-time, having spare RMIO-01C boards (or being able to source them quickly) becomes a key element of uptime strategy.
Another scenario: In a retrofit project where older ACS800 drives are being kept in service rather than replaced entirely, sourcing genuine RMIO-01C boards allows the original drives to remain operational. This reduces engineering cost (rewiring, reprogramming) and leverages existing investment. Given that many legacy drives remain in use decades after installation, the RMIO-01C board becomes a spare-parts linchpin for maintenance teams.
Therefore, understanding the RMIO-01C’s function within drive systems—and planning for spares or replacements—is highly valuable for reliability-minded organisations.
- RMIO-01C
- RMIO-01C
Product Role & System Fit
The RMIO-01C board is a control/CPU board meant to be installed inside the ACS800 drive module (or compatible drive series) by ABB. It handles signal processing, manages I/O, communications, and ties into the drive’s power and control architecture. In some vendor listings it’s described as “Main Control Circuit board… Inverter ACS800 CPU Board”
From a system integrator’s perspective: you open the drive cabinet, locate the driver’s control board slot (sometimes labelled RMIO-01C), ensure correct part revision, swap the board, load the application software (or verify it’s preloaded), reconnect cables, test the drive logic and restore operation. The board interfaces with the intermediate circuit, I/O terminals, and bus interface modules. A manufacturer hardware manual states: “Avoid touching the circuit board (RMIO) inside the RDCU unit” — reinforcing that this board is a delicate core component.
Thus, the RMIO-01C is not a generic I/O card: it’s the drive’s logic board, essential for proper drive control and communication. When sourcing a spare, verifying compatibility (revision, firmware, connections) is critical to avoiding mismatch issues. For facilities maintaining ACS800-based systems, stocking RMIO-01C boards is a smart reliability measure.
Technical Features & Benefits
Here are some of the notable technical features of the RMIO-01C board, and how they translate to real-world benefit:
- Compact PCB Kit Form: The board is listed with dimensions approx 240 mm × 100 mm × 10 mm and weight ~0.18 kg.
Benefit: Easy to fit in drive housing or control module; minimal footprint, simpler handling during replacement. - Designed for ACS800 Drive Series: The RMIO-01C is explicitly referenced as the control board for ACS800 series in multiple listings (e.g., “Control board used in ABB ACS800 drive systems”).
Benefit: Ensures compatibility with ACS800 drives, avoiding generic mismatches; integrators can rely on direct fit. - Board Kit Includes Connector Module: One datasheet describes the RMIO-01C as “PCB KIT” including control board plus connector kit.
Benefit: Simplifies upgrade or replacement since connectors are included; reduces time on wiring changes. - Spare-Parts Availability: Many suppliers list RMIO-01C as in stock or available via surplus markets (e.g., new/used listings on eBay).
Benefit: Improves ability to maintain older drives, keeps machines running without full drive replacement. - Integration in Drive Ecosystem: Boards like RMIO-01C integrate with ABB drive configuration software, firmware, and system bus. For example, the hardware manual emphasizes checking correct application program before installing the board.
Benefit: When correctly matched, board swap-outs are faster and less error-prone.
From a buyer/maintenance engineer’s point of view: if your ACS800 drive fails or the logic board is suspect, acquiring a genuine RMIO-01C board with correct revision, loading the proper application program and verifying operation can restore your drive functionality rapidly. It’s often a more cost-effective path than replacing the entire drive.
Technical Specifications Table
| Specification | Value / Description |
|---|---|
| Model | RMIO-01C |
| Brand | ABB |
| Function | Control / CPU board kit for ACS800 drive systems |
| Associated Part Numbers | Product ID 68463815; also sometimes numbered 64538012 or similar |
| Weight | Approx. 0.18 kg (or 0.21 kg) |
| Dimensions | Approx. 240 mm × 100 mm × 10 mm |
| Primary Application | ACS800 series inverters / drives |
| Stock Condition | New, used, refurbished available via aftermarket |
| Software Note | Application software is not included in board kit—must load correct program. |
| Typical Operating Temp | Varies by drive unit; board replacement conditions assume drive housing environment |
Note: Because the board is part of a larger system (the ACS800 drive), make sure to verify compatibility (revision, firmware, application program) before purchasing and installation.
Installation & Maintenance Insights
Here are practical tips from field experience when installing or maintaining the RMIO-01C board:
- Power Off and Discharge: Before opening the drive and replacing the board, ensure the drive is fully powered down and the intermediate circuit capacitors are discharged (per ABB instructions).
- Check Revision and Software: The board swap must match the drive’s original application program or revision. The datasheet warns “PLEASE NOTE THAT THE APPLICATION SOFTWARE IS NOT INCLUDED!”
Verify that the software type, code, device type printed on the drive housing matches the board’s intended use. - Handle with ESD Protection: As the board contains sensitive electronics, use anti-static precautions when handling. Avoid touching board components directly.
- Spare Parts Strategy: Given older drives may remain in service long-term, consider keeping a spare RMIO-01C board in inventory, pre-tested, labelled with revision and drive model.
- Cable / Connector Check: Inspect ribbon cables, board connectors, and wiring harnesses for age, corrosion, looseness. A faulty connector can masquerade as board failure.
- Benchmark After Installation: After board swap, record drive status: are fault codes cleared? Is the drive recognised on bus? Do I/O signals behave as expected? Monitor for 24–48 h to detect intermittent issues.
- Cabinet Environment: Ensure cabinet cooling, filter cleanliness, and vibration damping are maintained. The board’s lifespan is impacted by ambient.
- Document Changes: Record board part number, serial, date of swap, software version, initial drive status post-change. This helps for future traceability.
