Description
Brown Boveri BBC HIEE451058R2 GD 9924a-E GD 9924 a-E/V2 is an interface card used in ABB/BBC industrial PLC and drive control systems.
Product Overview
This GD 9924a-E/V2 interface module provides communication bridging and signal conversion between PLC controllers and field devices.
It supports legacy BBC/ABB automation architectures in power generation and process control applications.

HIEE451058R2
Key Specifications
| Parameter | Details |
|---|---|
| Type | PLC interface / communication card |
| Voltage | 24 V DC nominal |
| Interfaces | Serial RS485/RS232, proprietary BBC bus |
| I/O Points | Digital status and control signals |
| Isolation | Galvanic isolation 500 V |
| Operating Temp | -10°C to +60°C |
| Dimensions | Standard Eurocard format |
| Weight | Approx. 0.3 kg |
| Power Consumption | 5-8 W |
| Mounting | DIN rail or rack |
The datasheet documents pin assignments, bus protocols, and termination requirements.
Origin
Manufactured by ABB (successor to Brown Boveri) in Switzerland/Germany.
Applications
- Legacy BBC Advant and MOD300 PLC systems.
- Drive interface in excitation and turbine controls.
- Process automation signal conversion.
Usage Method
- Install in PLC rack or control cabinet DIN rail.
- Connect power supply (24 V DC) to terminals.
- Wire serial communication cables to PLC master and field devices.
- Configure node address via DIP switches or software.
- Verify LED status indicators and test data exchange.
Technical Notes
Provides protocol conversion for older BBC systems with modern field devices.
Similar Models
| Model | Description |
|---|---|
| GD 9924a-E | Base interface card version |
| HIEE451058R1 | Earlier revision interface |
| SA 9923A-E | Similar communication module |
| FM 9925A-E | Enhanced fieldbus interface |
| 70SK32A-E | BBC PLC communication board |
At Newplcdcs, we specialize in providing high-quality spare parts for Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC). Our comprehensive product portfolio includes parts from approximately 20 leading brands, such as ABB, Bently Nevada, Honeywell, GE, Yokogawa, Allen Bradley, Foxboro, Ovation, Hima, Emerson, Triconex, Woodward, ICS Triplex, Bachmann, and Schneider. This focused expertise allows us to offer in-depth solutions in the automation sector, setting us apart from many competitors and ensuring we deliver the most advanced and reliable products to our clients.
Contact Information
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- TEL: +86 13822101417
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