Description
Brown Boveri BBC HIEE300334R1 CM A329 BE Interface Module
The HIEE300334R1 (identified by the hardware code CM A329 BE) is a specialized communication and interface module originally developed by Brown Boveri & Cie (BBC), now part of the ABB heritage. This Interface Module is designed for high-reliability industrial control systems, serving as a critical bridge between central processing units and peripheral field devices in legacy power plant and automation environments.
Product Introduction
The CM A329 BE is an advanced electronic circuit card used primarily in the Procontic or similar large-scale PLC systems. It facilitates the exchange of data across the system bus, ensuring synchronized communication and signal conditioning. Built with industrial-grade components, the HIEE300334R1 is known for its longevity and ability to operate in electrically noisy environments typical of power generation and heavy manufacturing facilities.
HIEE300334R1
Product Parameters (Datasheet)
| Parameter | Specification |
| Model Number | HIEE300334R1 / CM A329 BE |
| Module Type | Interface / Communication Card |
| Power Supply | +5V DC, +/- 15V DC (Internal Bus Powered) |
| Bus Interface | Parallel System Bus |
| Signal Processing | Digital and Analog Interface Capabilities |
| Mounting Type | Rack-mounted (Subrack) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% (Non-condensing) |
Country of Origin
- Origin: Switzerland / Germany (Original BBC Manufacturing)
Usage Instructions
- Preparation: Ensure the system rack is powered down before attempting to install or remove the module to prevent backplane arcing.
- Addressing: Check the onboard jumpers or DIP switches (if applicable) to set the correct hardware address as defined in your system configuration manual.
- Insertion: Align the CM A329 BE card with the guide rails of the subrack. Push firmly until the multi-pin DIN connector is fully seated in the backplane.
- Wiring: Connect external interface cables to the front-panel connectors. Ensure all shielding is properly grounded to mitigate EMI.
- Initialization: Power up the system and verify the status LEDs. The module should be recognized by the CPU during the POST (Power-On Self-Test) sequence.
Product Q&A
- Q: Is the CM A329 BE compatible with modern ABB Advant systems?
- A: This is a legacy BBC component. While it may interface with certain transitioned systems, it is primarily designed for original BBC Procontic architectures.
- Q: What do the front-panel LEDs indicate?
- A: Typically, a green LED indicates “Power/Active” status, while a red LED indicates a “Fault” or “Bus Error” condition.
- Q: Can this module be repaired if a component fails?
- A: Yes, because it uses discrete industrial components, it is often repairable by specialized technicians, though replacing it with a certified refurbished unit is often more efficient.
Recommended Similar Models
- BBC HIEE300885R1: Bus Extension Module.
- BBC CM A326 BE: Complementary Interface Controller.
- BBC HIEE300670R1: Digital Input/Output Module.
- ABB/BBC HIEE300334R2: Updated revision of the CM A329 series.
- BBC CM A327: Specialized Communication Processor Card.
Documentation & Manuals
For detailed timing diagrams, bus pinouts, and legacy system integration guides, please refer to the technical archives:
Download HIEE300334R1 MANUAL datasheet
