Honeywell 51202329-102 & 51202329-202 I/O Link Cable Pair

Technical Dossier

Product Details And Specifications

Honeywell I/O Link Cable Pair Series Technical Notes

The Honeywell 51202329-102 and 51202329-202 I/O Link Cable Pair are critical interconnect assemblies used within Honeywell's distributed control system (DCS) platforms, primarily the TDC 3000 and HC900 architectures. These cable pairs provide the physical communication link between I/O Link Masters and remote I/O expansion modules, enabling deterministic data exchange across the field bus. Installed across tens of thousands of process control nodes in petrochemical refineries, nuclear power facilities, offshore platforms, and large-scale chemical processing plants, these assemblies represent a foundational infrastructure component in long-lifecycle DCS environments. Their continued availability is critical for facilities operating legacy Honeywell control systems under extended maintenance contracts or lifecycle extension programs.

Honeywell I/O Link Cable Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified catalog of Honeywell I/O Link and associated DCS cable assemblies. Each entry is classified by function within the TDC 3000 / HC900 / Experion architecture.

I/O Link Cable Assemblies

• 51202329-102: I/O Link cable, primary segment, shielded twisted-pair, standard length
• 51202329-202: I/O Link cable, secondary/extension segment, paired with -102 for full run
• 51202329-100: I/O Link cable assembly, base configuration, unshielded variant
• 51202329-200: I/O Link cable, extended run variant, 10-meter nominal length
• 51202329-300: I/O Link cable, long-run configuration, 20-meter nominal length

I/O Link Master & Extender Modules

• 51304485-100: I/O Link Master module, TDC 3000 compatible, single-channel
• 51304485-150: I/O Link Master module, dual-channel, redundant configuration
• 51304485-200: I/O Link Extender, extends segment reach by 500m
• 51401288-100: I/O Link Repeater, signal regeneration for long-distance runs

Remote I/O Expansion Modules (HC900 / TDC 3000)

• 900RIO-0001: HC900 Remote I/O Scanner, 16-slot chassis interface
• 900RIO-0002: HC900 Remote I/O Scanner, redundant link, 16-slot
• 51305907-100: TDC 3000 I/O Link Terminator, bus-end resistor assembly
• 51305907-200: TDC 3000 I/O Link Terminator, mid-bus tap configuration

Associated Power & Backplane Cables

• 51201420-100: Backplane power cable, TDC 3000 I/O chassis, 24VDC
• 51201420-200: Backplane power cable, extended chassis, dual-rail 24VDC
• 51109684-100: Field wiring cable, analog I/O, 4–20mA loop, shielded
• 51109684-200: Field wiring cable, discrete I/O, 24VDC, multi-conductor
• 51198685-100: LCN coaxial cable assembly, Local Control Network segment