NP4H-CB2 Cable Guide for MICREX-SX PLC Programming

The NP4H-CB2 is a specialized RS-232C loader connection cable manufactured by Fuji Electric, primarily used for programming and maintaining MICREX-SX Series PLCs (SPH200/300/2000) Tradew Pro-Face.

Product Insights

Functionality: It serves as the primary bridge between a PC running D300win software and the PLC CPU's loader port Fujifactoryautomation.
Technical Specs: The standard cable is 2 meters long; extensions are possible via LAN cables but require ferrite cores to mitigate noise Fujielectric.
Legacy Status: While newer systems favor USB or Ethernet, the NP4H-CB2 remains critical for maintaining legacy industrial infrastructure, particularly for CPU versions lower than V22/V26 Pro-Face.

Market Trends (2026 Perspective)

Modernization Bridge: Industrial demand is driven by the "Modernization Gap," where companies allocate up to 80% of IT budgets to maintain legacy hardware while transitioning to Industry 4.0 Riseuplabs.
Sourcing Dynamics: Direct stock for this specific model is niche on general B2B platforms, but there is a robust aftermarket for refurbished units and a trend toward custom-manufactured OEM versions from specialized industrial cable suppliers Ebay.

I have compiled the full technical findings and a list of verified suppliers capable of OEM production for these cables in the files below.