Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | KOKUSAI ELECTRIC |
| Model | CXP-544A |
| System | KOMS-A2 |
| Product Type | OEM Equipment Control Module |
| Primary Application | Semiconductor manufacturing equipment |
| Main Function | Equipment control / signal processing |
| System Interface | KOMS-A2 proprietary architecture |
| Installation | Dedicated equipment rack/backplane |
| Field I/O | System-dependent |
| Communication | System-dependent |
| Power Supply | Equipment backplane dependent |
| Firmware | OEM/system dependent |
| Operating Environment | Semiconductor manufacturing equipment |
| Replacement | Exact model/revision matching recommended |
Specification caution: I would not publish specific claims such as 1 GHz ARM Cortex-A9, 512 MB DDR3, 2 GB eMMC, Ethernet/RS-485, IP65, or Sony IMX544 / CoaXPress 2.0 as confirmed specifications. Those values appear in secondary listings, but they conflict with other descriptions of the same CXP-544A and are not sufficiently supported by primary KOKUSAI documentation.
Product Introduction
The KOKUSAI CXP-544A KOMS-A2 is a specialized OEM control component associated with KOKUSAI ELECTRIC semiconductor manufacturing equipment. Unlike a conventional PLC module with standardized I/O specifications, the CXP-544A appears to be designed specifically for integration into the KOMS-A2 equipment architecture.
The KOKUSAI CXP-544A is listed by multiple industrial-equipment sources as a KOMS-A2 control module or board. One source specifically describes it as a dedicated KOMS-A2 control circuit board responsible for equipment signal acquisition, logic processing, and communication with other internal system components.
CXP-544A KOMS-A2
Another source describes the CXP-544A as an MFC interface and gas-flow monitoring module used in KOKUSAI thermal-processing equipment, including diffusion and LPCVD systems. This description is plausible for semiconductor process equipment, but because the available sources disagree, the exact role should be confirmed from the host equipment documentation before publishing a more specific function.
The should therefore be treated as OEM-specific semiconductor equipment hardware. Its electrical interfaces, firmware, connector assignments, and application software may depend on the exact KOKUSAI equipment model and board revision.
Main Features & Field Considerations
OEM semiconductor-equipment integration
The is associated with KOKUSAI’s dedicated equipment architecture rather than a general-purpose PLC platform. This makes exact part-number matching important.
System-specific control function
The available evidence points to equipment-level control and signal-processing functions, but the exact role can vary with the host installation.
Backplane-dependent installation
A board of this type should be installed only in the designated equipment slot. The backplane, connectors, firmware, and host software all form part of the functional system.
Replacement checks
Before replacing a , verify:
- marking
- system designation
- Board revision
- Host equipment model
- Slot position
- Connector configuration
- Backplane type
- Firmware/software version
- Connected I/O or process devices
- Existing calibration/configuration data
Semiconductor equipment safety
If the board belongs to a process-gas or thermal-processing system, replacement should be performed under the equipment manufacturer’s approved maintenance procedure. Process-gas isolation, purge, electrical lockout, and equipment interlocks should be handled before accessing the control rack.
Typical Applications
The KOKUSAI is associated with specialized semiconductor manufacturing equipment, potentially including:
- Wafer thermal-processing systems
- Diffusion furnaces
- LPCVD equipment
- Semiconductor process-control equipment
- Equipment-level signal acquisition
- Gas/process control subsystems
The MFC/gas-control association is specifically reported by one source, while another identifies the board more generally as a system control board.
Procurement Note
For KOKUSAI , I recommend using + + the host equipment model/board revision as the procurement reference.
The available market information is not technically consistent enough to assign definitive electrical specifications. In particular, claims describing it as a camera module, generic CPU board, MFC interface, or general-purpose industrial communication module should not be treated as interchangeable descriptions.
For a production semiconductor tool, the safest replacement strategy is to match the exact board revision and equipment configuration, then preserve the existing firmware, calibration, and machine parameters wherever the OEM procedure permits.
