Description
BK698CPA15B0 Control Processor Board
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model | BK698CPA15B0 |
| Product Type | Control processor / controller board |
| Product Family | BK698 |
| Bus Architecture | VME-based |
| Board Function | Control processing |
| System Role | Central controller / processing board |
| Related Carrier | BK698A201S12 |
| Application | Industrial automation and control |
| Hardware Status | Legacy |
| Manufacturer Attribution | Verify against the physical nameplate and system documentation |
Important specification note: Some secondary sources claim an Intel Pentium III processor, up to 512 MB PC133 SDRAM, dual Ethernet, RS-232 and VME64 operation. Those details are not sufficiently corroborated by primary documentation available publicly, so they should be treated as unverified configuration information, not guaranteed specifications.
Product Introduction
The BK698CPA15B0 is a legacy BK698-series control processor board used as the processing element within a VME-based industrial control architecture. Its role is fundamentally different from an analog I/O module: the processor board handles system control and computation, while associated carrier and I/O hardware provides the interface to field-level equipment.
For maintenance teams supporting older automation equipment, the processor is a high-priority spare because a board-level failure can stop the control system even when the connected I/O hardware remains fully functional. Replacement should be based on the installed hardware revision and complete rack configuration rather than model-number similarity alone.
Application Scenarios & Field Pitfalls — The Engineer’s Perspective
Engineering Pain Point
A legacy controller can appear to have an I/O problem when the actual fault sits at the processor or VME interconnect level. Loss of multiple I/O modules, communication instability, failure to initialize, or intermittent rack faults can all point toward the controller architecture rather than a single field channel.
The BK698CPA15B0 should therefore be evaluated together with its carrier, VME backplane, memory configuration, installed I/O modules and application software.
BK698CPA15B0
Typical Applications
- Legacy VME industrial control systems
- Process-control and machine-control equipment
- Factory automation systems
- Legacy control-system repair and spare-parts programs
Technical Pitfalls
1. Do not classify it as an analog I/O module.
Several reseller pages make this claim, but that description conflicts with the available controller references. The BK698CPA15B0 should be treated as a control processor/controller board unless the original system documentation proves otherwise.
2. Verify the complete BK698 rack configuration.
The related BK698A201S12 is identified as a VME 6U I/O module carrier. The processor and carrier should therefore be checked as a matched system rather than purchased independently on the assumption that any VME carrier will work.
3. Check the memory configuration.
Some secondary references describe onboard PC133 SDRAM, but the exact supported memory size and module configuration should be confirmed from the board itself or the original system documentation before ordering a replacement.
4. Do not trust conflicting electrical specifications.
One listing gives implausible and contradictory values such as “220V or 900V” for operating voltage. Such data should not be used for engineering selection.
5. Inspect the VME interface when troubleshooting.
If a replacement processor exhibits intermittent rack faults, inspect the VME connectors, backplane, seating hardware and neighboring boards before assuming the replacement CPU is defective.
6. Preserve the original software and configuration.
A replacement processor may be electrically compatible yet still fail to restore operation if the required application image, configuration, memory contents or system-specific parameters are unavailable.
Related Products
- BK698A201S12 — VME 6U I/O module carrier associated with the BK698 architecture.
- BK684AM351 — Related BK-series industrial automation module.
- BK684SSI470 — SSI interface module in the related BK hardware family.
- BK684HSC720 — High-speed counter module in the related BK family.
- BK684PBM570 — Profibus-related communication hardware.
- BK684DOM280 — Digital output module referenced within the same legacy hardware ecosystem.
Procurement Note
For BK698CPA15B0, the most important checks are board revision, processor configuration, installed memory, VME compatibility, firmware/application image, and the exact carrier/backplane used in the existing system.
Be particularly cautious with listings that identify the part as an analog I/O module or provide exact voltage, temperature, memory, Ethernet, or processor specifications without supporting documentation. The public information for this legacy part is fragmented, and several published specifications clearly conflict with one another.
For a replacement project, photographs of the front and rear of the actual board, including all labels and revision markings, are valuable for confirming the exact hardware variant before procurement.
