Overview
The ABB 3BHB006338R0002, designated UNS 0881a-P,V2, is an assembled printed circuit board (PCB) listed within the ABB Drives product family. The supplied technical data describes a multi-processor configuration, memory resources, analog input channels, and optically isolated digital I/O. These characteristics define its documented hardware configuration and provide a basis for checking the board against equipment requirements.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3BHB006338R0002 |
| Brand | ABB |
| Board Designation | UNS 0881a-P,V2 |
| Product Type | Assembled Control Board |
| Product Family | ABB Drives |
| Assembly Class | ABB PCB Assembly |
| Processor Configuration | 3 x PowerPC e500mc |
| Processor Clock Speed | 800 MHz |
| Memory | 1 GB DDR3 |
| Flash Memory | 512 MB |
| Minimum Control Cycle | 100 us |
| A/D Resolution | 16-bit |
| Analog Inputs | 16 channels |
| Analog Input Signal Types | +/-10 V / 4-20 mA |
| Digital I/O | 32 channels, 24 VDC, optically isolated |
| Operating Temperature | -40 to +85 deg C |
| Cooling | Conduction; heatsink required |
| Vibration Range | 10-500 Hz |
| Net Dimensions (H x L x W) | 37 x 320 x 230 mm |
| Net Weight | 0.266 kg |
| Country of Origin | Switzerland |
| Customs Tariff Number | 85371092 |
| Minimum Order Quantity | 1 piece |
| Order Multiple | 1 piece |
| Part Condition | New |
Processing and Control Architecture
The board’s three PowerPC e500mc processors operate at 800 MHz each. Its 1 GB DDR3 memory and 512 MB flash memory provide separate resources for working data and non-volatile storage. The specified minimum control cycle of 100 us indicates the shortest stated cycle interval; actual execution timing depends on the implemented control tasks and system configuration.
Analog and Digital I/O
The board specification lists 16 analog input channels with +/-10 V and 4-20 mA signal ranges. The 16-bit A/D resolution defines the converter’s nominal digital resolution, while the selected signal range and input circuitry determine the usable measurement span. Confirm the required input mode and electrical interface before integrating the board into an existing control assembly.
The digital I/O specification lists 32 channels operating at 24 VDC with optical isolation. Optical isolation provides electrical separation between the relevant signal circuitry and other circuits, subject to the board’s actual isolation design and ratings. The supplied data does not identify the input/output channel split, terminal assignments, or per-channel current limits.
Thermal and Mechanical Requirements
The stated operating temperature range is -40 to +85 deg C. However, the board uses conduction cooling and requires a heatsink. Therefore, installation must account for the intended heatsink arrangement and heat transfer path rather than relying on ambient temperature alone.
The listed dimensions are 37 mm high, 320 mm long, and 230 mm wide. These measurements support preliminary enclosure and mounting checks, but they do not establish connector clearances, mounting-hole positions, or compatibility with a particular rack or drive assembly.
Frequently Asked Questions
Q: What is the full identification for this ABB control board?
A: The complete order code is 3BHB006338R0002, and the board designation is UNS 0881a-P,V2. Use both identifiers when checking replacement requirements and ordering records.
Q: What signal types does the board support?
A: The supplied specifications list 16 analog inputs for +/-10 V or 4-20 mA signals and 32 digital I/O channels at 24 VDC with optical isolation. The digital input/output split and detailed connection assignments require confirmation from model-specific documentation.
Q: Does the board require a heatsink?
A: Yes. The supplied data explicitly specifies conduction cooling with a required heatsink. Confirm the intended cooling arrangement and installation clearances before commissioning.
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