Products Description
ABB FC95-22 HESG440295R2 HESG448688R22 Interface Board Module in stock
ABB FC95-22 HESG440295R2 HESG448688R22 is a rack interface board module for ABB legacy DCS control systems. It establishes stable bus communication between the main controller and peripheral I/O modules and provides signal buffering and circuit protection.
This circuit board adopts rack-mounted backplane connection design. It is a discontinued legacy spare part, widely used for maintenance replacement of old power and petrochemical distributed control systems.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ABB |
| 2 | Model | FC95-22, HESG440295R2, HESG448688R22 |
| 3 | Module Type | Interface Board Module |
| 4 | Mounting | Rack mount, backplane bus connection |
| 5 | Core Feature | Bus signal buffering and circuit protection |
| 6 | Operating Temperature | 0 ~ +60°C |
| 7 | Status | Discontinued legacy spare part |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Realize backplane bus communication between main controller and I/O modules |
| 2 | Signal buffering to improve bus stability and reduce signal attenuation |
| 3 | Built-in circuit protection against surge and overvoltage interference |
| 4 | Support data transmission for multiple I/O channels in the control rack |
| 5 | Onboard LED indicators for module power and communication diagnostics |
Application Scenarios
| No. | Application |
|---|---|
| 1 | ABB legacy DCS distributed control rack system |
| 2 | Thermal power plant auxiliary control and monitoring system |
| 3 | Petrochemical and chemical process automation control |
| 4 | Old automation system spare replacement and retrofit |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q: What is ABB FC95-22? A: FC95-22 is an ABB rack interface board, with part codes HESG440295R2 and HESG448688R22 for legacy DCS rack bus communication. |
| 2 | Q: What are HESG440295R2 and HESG448688R22? A: They are ABB internal part numbers for FC95-22, all correspond to the same hardware interface board. |
| 3 | Q: Can this board work with newer ABB DCS systems? A: It is designed for old legacy racks and not compatible with the latest ABB DCS platforms. |
