Application Scenarios
In a refinery control room running an ABB Advant OCS system, the operator console‘s pushbutton panel suddenly loses responsiveness—start/stop commands from the hardwired buttons no longer register, and indicator lamps fail to reflect process alarm states. The plant faces a critical decision: operate the process without reliable operator console control, or shut down production while waiting for a replacement board. The ABB 086351-004 addresses this exact vulnerability. As the authentic ABB-replacement circuit board that restores full functionality to an HKQCS or Advant operator console, it prevents extended downtime when a console’s button-interface card fails due to age-related component drift, ESD damage, or backplane connector wear. For plants running ABB DCS with hardwired console buttons, the ABB 086351-004 is a strategically stocked MRO item that ensures operators maintain reliable process control through their physical console interfaces.
Parameter
| Parameter | Value/Description |
|---|---|
| Product Model | ABB 086351-004 (also referenced as 086351-004/000) |
| Manufacturer | ABB |
| Product Category | Serial Pushbutton & Indicator Interface Printed Wiring Assembly (PWA/PCB) |
| Compatible Consoles | HKQCS-series operator consoles, Advant OCS free-standing desks, System 800xA process operator consoles |
| Function | Matrix-scans pushbutton/key-switch contacts; transmits button events serially to console host; drives lamp/LED indicator matrix |
| Supply Voltage | 24 V DC nominal (operating range typically 10–30 V DC from console distribution) |
| Current Consumption | Approx. 80–150 mA (depends on number of active lamp outputs driven) |
| Pushbutton Inputs | Matrix-scanned; typically supports 16–64 button points depending on console key panel configuration |
| Lamp/LED Drive Outputs | Matrix-driven; current-limited open-collector or sourced outputs per console lamp panel specification |
| Interface | Proprietary serial bus / parallel backplane connector (ribbon or card-edge per HKQCS desk version) |
| Board Dimensions | Approx. 272 mm × 142 mm × 21 mm (L × W × H) – typical HKQCS PWA form factor |
| Operating Temperature | 0°C to +55°C (console interior environment) |
| Humidity | 5–95% RH, non-condensing |
| Mounting | Internal to HKQCS/Advant Operator Console card cage; secured by mounting screws/standoffs onto backplane |
| Weight | Approx. 0.18–0.22 kg (0.19 kg typical) |
| Agency Compliance | CE (as part of complete console system), RoHS compliant, UL recognized component |
