Description
Product Description
The 51402755-100 (K4LCN-4) processor card from Honeywell is a compact industrial control processor engineered for use in distributed control and automation platforms. Built around the Freescale 68HC12 microcontroller architecture, this module provides deterministic processing performance for real-time industrial control tasks.
The card is designed to integrate with Honeywell control infrastructures and automation networks, offering flexible communication through widely used industrial protocols such as ControlNet, DeviceNet, and Ethernet. With an extended temperature operating range and a wide DC power input tolerance, the module is suitable for demanding environments including process plants, energy facilities, and heavy manufacturing installations.
Engineered for reliability, the 51402755-100 (K4LCN-4) processor module enables fast signal processing, stable data exchange across industrial networks, and dependable long-term operation within modular control racks.
Technical Specifications
| Specification |
Details |
| Manufacturer |
Honeywell |
| Model |
51402755-100 (K4LCN-4) |
| Product Category |
Industrial Processor Card |
| Processor |
Freescale 68HC12F184 Microcontroller |
| RAM |
256 KB |
| Flash Memory |
1 MB |
| Supported Protocols |
ControlNet, DeviceNet, Ethernet |
| Input Voltage Range |
9–32 VDC |
| Operating Temperature |
−40°C to +75°C |
| Dimensions |
135 × 71 × 20 mm |
| Weight |
2.14 lbs |
Key Functional Characteristics
High-reliability embedded processor architecture
The integrated Freescale 68HC12 CPU enables stable execution of industrial control algorithms, deterministic signal handling, and reliable communication with supervisory systems.
Industrial network connectivity
Support for ControlNet, DeviceNet, and Ethernet allows the module to interface with field devices, controllers, and supervisory control networks within complex automation architectures.
Wide power input tolerance
Operating across a 9–32 VDC range allows installation in diverse industrial power systems without additional conversion hardware.
Extended environmental durability
The processor module is designed to function reliably in temperatures from −40°C to +75°C, making it appropriate for field cabinets and industrial plant environments.
Compact modular installation
Its compact form factor allows installation into Honeywell system racks or control chassis, simplifying upgrades and module replacement.
Typical Applications
Oil and gas processing facilities
Distributed control systems (DCS) for refinery operations
Power generation and turbine monitoring systems
Chemical production automation
Industrial plant process monitoring and control networks
Compatibility Notes
The 51402755-100 (K4LCN-4) processor card is designed for integration with Honeywell control infrastructures that support modular processor cards and industrial network communication. Compatibility with existing racks, controllers, and communication modules should be verified before installation.
FAQ
What function does the 51402755-100 processor card perform?
It serves as an embedded processing unit responsible for executing control logic, handling communication protocols, and coordinating data exchange within industrial automation systems.
Can the module operate in high-temperature industrial environments?
Yes. Its operating temperature range from −40°C to +75°C allows installation in demanding industrial conditions.
Which communication networks are supported?
The processor supports ControlNet, DeviceNet, and Ethernet, enabling integration with multiple industrial communication infrastructures.
Is the processor module field-replaceable?
Yes. The card is designed for modular installation in compatible control racks, allowing relatively quick replacement during maintenance procedures.
