WhatsApp: +86 16626708626
Email: 
Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Value |
| Manufacturer | ABB (Asea Brown Boveri) |
| Model Number | MPRC 086349-002 / 086349-002 |
| Board Type | Measurement PCB Circuit Board |
| Input Voltage | Dual 24 VDC redundant inputs |
| Isolation Rating | 1,500 VAC galvanic isolation |
| Power Dissipation | 3.5 W maximum at 24 VDC |
| Processor Frequency | SMI 16 MHz sensor clock |
| Operating Temperature | -20 to +60 °C (-4 to 140 °F) |
| Storage Temperature | -40 to +85 °C (-40 to 185 °F) |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Country of Origin | Sweden |
| Unit Weight | 0.36 kg (0.79 lbs) |
4. Product Introduction & Supply Chain Strategy
The ABB MPRC 086349-002 is a measurement and multi-point relay controller board used in legacy AccuRay and industrial automation systems. It processes analog sensor inputs and manages SMI 16 MHz clock timing to drive relay outputs.
Buying this legacy part as a New Surplus unit secures plant reliability and lowers your Total Cost of Ownership (TCO). Refurbished boards pose severe risks of early capacitor failures, whereas our verified new surplus stock mitigates downtime risk for obsolete systems.
5. Installation & Configuration Guide
1.Pre-Installation Preparation:Requires LOTO and ESD strap.
Isolate the chassis power. Implement standard lockout/tagout (LOTO) protocols. Wear a grounded ESD wrist strap connected to the cabinet frame to prevent static damage to the microcomponents. Document or take a digital photograph of any existing wire connections and jumpers on the legacy board.
2.Safe Removal of Legacy Board:Protect backplane interface.
Loosen the retaining screws on the front panel. Carefully pull the card ejector tabs outward simultaneously to disengage the board from the rear backplane. Slide the module out of the rack guides smoothly, ensuring it does not rub against neighboring boards, and place it immediately into an anti-static bag.
3.Configure and Seat the New Board:Match jumpers and align guides.
Compare jumper settings and DIP switches on the new surplus ABB 086349-002 board to your documented reference. Adjust them to match the system configuration. Align the card with the upper and lower plastic guides in the chassis and slide it in until it makes firm contact with the backplane connectors. Push the ejector tabs inward to lock it.
4.Power-On and Verification:Check voltage and LEDs.
Verify that the input voltage measures stable at 24 VDC across both power rails. Re-energize the rack. Monitor the onboard diagnostic light-emitting diodes (LEDs). A solid RUN LED indicates normal startup, while any red ERR or FAULT indications warrant an immediate check of system communication and connection terminals.
- 086349-002
- 086349-002
6. Firmware/Software Versions & Upgrade Notes
- Recommended Firmware: Ensure the firmware matches your active host controller environment (typically calibrated for legacy SMI interface protocols).
- Compatibility Matrix: Legacy systems using V2.x software driver interfaces are not always forward-compatible with newer chip revisions. Always backup your system parameter tables prior to hardware swap-out.
- Firmware Flashing Warning: Do not attempt to flash or change firmware on obsolete hardware in the field without consulting specialized automation engineers. An interrupted write will permanently brick the integrated ROM of the board.
7. Frequently Asked Questions (FAQ)
Is this ABB 086349-002 board actually brand new, or is it refurbished?
This is a brand new surplus unit. It is not used, has never been pulled from a decommissioned plant, and has not been refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability, arriving in original anti-static packaging with zero wear on the backplane pins.
Why is your New Surplus pricing higher than typical online refurb prices?
Our pricing reflects the high cost of securing genuine, unused New Surplus inventory globally. While it may be 20% to 30% higher than a refurbished gamble, it is substantially less than legacy OEM list prices. Buying new surplus provides a 10-to-15 year expected lifespan, compared to the unpredictable lifespan of a repaired board.
Since this product is discontinued, how do you verify its authenticity?
We verify authenticity using a strict inbound quality control protocol. This includes inspecting the original OEM packing lists, performing physical anti-counterfeiting serial number checks, and documenting the internal chip revisions. Each board is shipped with a comprehensive QC Test Report.
Can I hot-swap this board while the system is running?
No. You must fully de-energize the chassis before removing or installing the ABB 086349-002. Swapping this measurement card while the system is live can cause voltage spikes, backplane communication faults, or permanent damage to the physical pins.
Does this module require specialized programming after installation?
No programming is required, but you must replicate all physical jumper settings and DIP switches from your old board. These components set node addresses and clock speeds. If the jumpers are misconfigured, the host controller will fail to recognize the module.
What kind of warranty covers this discontinued board?
Because we sell only New Surplus components, we back this module with a comprehensive 1-year replacement warranty. If a defect occurs under normal operating conditions within 12 months of shipment, we will supply a replacement unit or issue a full refund.
