Products Description
ABB IW93-2 HESG440356R1 HESG216678/B Control Circuit Board in stock
ABB IW93-2 with part numbers HESG440356R1 and HESG216678/B is a rack-mounted control circuit board for ABB turbine and generator excitation control systems. It performs signal acquisition, logic processing and internal bus communication between modules in the control cabinet.
This PCB is conformal coated to resist dust, moisture and electromagnetic interference in power plant environments. It is a discontinued legacy spare part, widely used for maintenance and replacement of old ABB power control cabinets in power and oil & gas industries.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ABB |
| 2 | Model | IW93-2 |
| 3 | Part Code 1 | HESG440356R1 |
| 4 | Part Code 2 | HESG216678/B |
| 5 | Module Type | Control Circuit Board |
| 6 | Applicable System | ABB Turbine & Generator Excitation Control System |
| 7 | PCB Protection | Conformal coating |
| 8 | Installation | Rack backplane mounting |
| 9 | Operating Temperature | -20℃ ~ +70℃ |
| 10 | Product Status | Discontinued legacy spare board |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Collect analog and digital field signals and perform signal conditioning for turbine control loop. |
| 2 | Execute local control logic and transmit processed data to main controller via rack bus. |
| 3 | Realize high-speed data exchange between different modules inside the control cabinet. |
| 4 | Onboard protection circuit to suppress surge and electromagnetic interference from field site. |
| 5 | Built-in self-test function for board fault detection and alarm output. |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Power plant generator excitation cabinet and steam turbine control system |
| 2 | Oil & gas turbine unit power regulation and interlock control system |
| 3 | Heavy industrial power control cabinet signal processing and logic control |
| 4 | Legacy ABB control system spare replacement and field maintenance service |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q: What is ABB IW93-2? A: IW93-2 (HESG440356R1 / HESG216678/B) is ABB control board used for turbine and generator excitation control systems. |
| 2 | Q: What is the installation method? A: It is inserted into the rack backplane and communicates with other modules through the internal rack bus. |
| 3 | Q: Can it be used for new project? A: Not recommended, it is discontinued and only supplied as spare part for old system maintenance. |
