ABB 086351‑004 Serial Pushbutton PCB Board

The ABB 086351‑004 is a serial pushbutton printed circuit board designed for ABB HKQCS control systems. It serves as a human‑machine interface unit to receive local operation commands and transmit signals through serial communication.

This compact PCB board adopts a rack‑mounted structure and works with the main control unit to realize on‑site manual operation and status feedback. It is a common aftermarket spare part for maintenance and replacement of old ABB DCS and power control equipment.

Main Specifications

1. Brand: ABB; Model: 086351‑004; Type: Serial Pushbutton PCB Board
2. Applicable System: ABB HKQCS power plant control system
3. Communication Interface: Serial bus for command transmission and status feedback
4. Overall Dimension: 272 mm × 142 mm × 21 mm, net weight 0.19 kg
5. Working Temperature: ‑10℃ ~ +60℃, 5%‑95% RH non‑condensing
6. Installation Mode: Rack plug‑in installation inside control cabinet
7. Feature: Compact layout, stable serial data transmission, easy replacement
8. Certifications: CE certified for industrial power automation applications

Core Functions

1. Capture local pushbutton operation signals from the control panel.
2. Convert operation instructions into serial data and send them to the main controller.
3. Receive running status signals from the main system and realize local status indication.
4. Complete data interaction and synchronization with other boards in the control rack.
5. Support manual start, stop and reset operations for on‑site equipment.
6. Ensure reliable human‑machine interaction during long‑term continuous operation of power units.

Application Scenarios

1. Local operation and human‑machine interaction hardware for ABB HKQCS power control systems.
2. Spare parts replacement and routine maintenance of thermal power plant control cabinets.
3. Retrofit and renovation projects for aging ABB DCS and auxiliary control equipment.
4. Control cabinet troubleshooting and faulty circuit board replacement on site.
5. Spare‑parts stocking for power system integrators and thermal power engineering contractors.
6. Global aftermarket spare supply for technical teams maintaining legacy ABB power control hardware.

FAQ

1. Q: Which system does 086351‑004 match with?
   A: It is specially designed for ABB HKQCS power plant control system.
2. Q: Can this board work independently without a main controller?
   A: No, it must cooperate with the main control board to realize complete operation functions.

3. Q: Will the board be tested before shipment?
   A: Every spare board undergoes strict function testing to guarantee stable performance after installation.