Products Description

Honeywell 51402755-100 serves as K4LCN processing hardware within legacy Honeywell LCN-based control environments. The board is relevant to industrial control installations where Experion LCN equipment and associated LCN nodes remain in operation, particularly during maintenance, replacement, or staged modernization projects. Honeywell documentation places K4LCN-based hardware within Experion LCN architectures and references K4LCN-based ENIM, ENB and NIM configurations in Experion PKS applications.
Technical Specifications For 51402755-100 K4LCN-4
| Item | Specification |
| Brand |
Honeywell |
| Part Number |
51402755-100 |
| Model |
K4LCN-4 |
| Product Type |
K4LCN Processor Board / Processor Card |
| System Family |
Honeywell LCN / Experion LCN |
| Board Function |
K4LCN processing hardware for LCN-based system nodes |
| Memory Configuration |
51402755-100 does not include the DIMM memory board |
| System Application |
Experion LCN and related Honeywell LCN-based control architectures |
| Related System Components | K4LCN-based ENIM, ENB, NIM and other LCN nodes |
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faq
51402755-100 K4LCN-4
Q:1.Why would a maintenance team use 51402755-100 in an existing control installation?
A:51402755-100 can serve as replacement K4LCN processing hardware for an existing LCN-based installation where maintaining the established Honeywell control architecture is required.
Q:2.Can 51402755-100 operate with a separate memory assembly?
A:Yes. Honeywell service documentation identifies 51402755-100 as a K4LCN assembly without the DIMM memory board. Honeywell separately identifies 51201793-160 and 51201793-800 as 16 megaword and 8 megaword K4LCN DIMM memory boards respectively.
Q:3.Which memory options are associated with 51402755-100?
A:The documented K4LCN DIMM options include 51201793-160 with 16 megawords and 51201793-800 with 8 megawords. Memory selection should follow the applicable system configuration and service documentation.
Q:4.Where does 51402755-100 fit within the K4LCN hardware family?
A:51402755-100 is listed as a K4LCN assembly alongside 51401946-100. Honeywell service documentation also identifies separate K4LCN memory assemblies and LCN interface-related boards within the same hardware environment.
KEY FEATURE
51402755-100 K4LCN-4
K4LCN Processing Hardware
51402755-100 provides processor functionality for K4LCN-based LCN system configurations, supporting core processing requirements within industrial control environments.
Separate Memory Configuration
51402755-100 is supplied without a DIMM memory board and can be configured with compatible K4LCN memory assemblies, including 8 megaword and 16 megaword options.
LCN System Integration
51402755-100 is designed for integration within LCN-based control architectures, supporting K4LCN nodes used in Experion LCN and related industrial automation applications.

About Us
As a leading supplier of new and surplus industrial automation and control equipment, PLCEXPORT's growth over the past two decades is a testament to the unwavering dedication and tireless efforts of its exceptional team. We focus on a wide range of products from numerous top brands, including ABB, Allen-Bradley (AB), GE, Bently Nevada, Siemens, Yokogawa, Honeywell, and many more-from automation to control systems, from sensors to drives, and everything in between.
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