Honeywell 8C Series Modules: 8C-IP0102 51454362-275

Technical Dossier

Product Details And Specifications

Honeywell 8C Series: Comprehensive Module Range and Technical Overview

The Honeywell 8C Series represents the dedicated I/O subsystem architecture for the Experion PKS (Process Knowledge System) platform, specifically engineered to interface with the C300 Controller. Deployed across global heavy industry — including petrochemical complexes, nuclear power facilities, oil refineries, LNG terminals, and continuous process manufacturing plants — the 8C Series forms the field-side backbone of one of the most widely installed DCS platforms in the world. Its CHARM (Characterization Module) architecture, introduced with the Series C generation, allows field signal characterization at the I/O level, reducing wiring complexity and enabling hot-swap capability without process interruption. Installations of 8C Series hardware are documented across facilities operated by major energy and chemical producers in North America, Europe, the Middle East, and Asia-Pacific, with many sites maintaining active 8C infrastructure well into the 2020s.

The Evolution of 8C Series Architecture

The 8C Series I/O platform evolved directly from Honeywell's earlier Series C I/O strategy, which itself succeeded the legacy TDC 3000 and PlantScape I/O architectures. The foundational design principle of the 8C platform is the separation of field termination from signal processing — a two-layer model consisting of the CHARM I/O Card (CIOC) and individual CHARM modules that plug into the CIOC chassis.

Early deployments (circa 2008–2012) used fixed-function I/O cards requiring full card replacement for signal type changes. The introduction of CHARM technology (approximately 2012–2014) allowed individual channel-level reconfiguration without hardware replacement, a significant operational advantage in live process environments. The 8C-IP0102 (part number 51454362-275) is a CHARM I/O Processor Card — the core processing element of the CHARM I/O Cabinet, responsible for managing communication between CHARM modules and the Experion PKS network via the FTE (Fault Tolerant Ethernet) backbone.

Compatibility considerations: 8C Series hardware requires Experion PKS R310 or later for full CHARM functionality. Integration with legacy C200/C200E controllers requires gateway configuration. The 8C platform is not directly backward-compatible with the older Series A or Series B I/O wiring infrastructure without adapter termination assemblies.

8C Series Full Catalog & Functionalities (SKU List)

CHARM I/O Processor Cards (CIOC)

• 8C-IP0102 (51454362-275): CHARM I/O Processor Card; manages up to 96 CHARM channels; FTE dual-port Ethernet interface; redundancy-capable.
• 8C-IP0101 (51454362-175): Earlier revision CIOC; single FTE port; non-redundant configuration; used in legacy 8C cabinet builds.
• 8C-IP0202 (51454362-375): Enhanced CIOC with expanded diagnostics; supports Experion PKS R500+ firmware features.

CHARM Modules — Analog Input (AI)

• 8C-PAIH01 (51454468-175): HART-enabled analog input CHARM; 4–20 mA; single channel; supports HART pass-through to Experion.
• 8C-PAIH02 (51454468-275): Dual-channel HART analog input CHARM; 4–20 mA; isolated inputs.
• 8C-PAIM01 (51454470-175): Analog input CHARM for millivolt/thermocouple signals; supports J, K, T, E, R, S, B type TCs.
• 8C-PAIM02 (51454470-275): Dual-channel thermocouple/mV input CHARM; cold junction compensation integrated.
• 8C-PAIRH01 (51454472-175): RTD/resistance input CHARM; supports Pt100, Pt1000, Ni100; 3-wire and 4-wire configurations.

CHARM Modules — Analog Output (AO)

• 8C-PAOH01 (51454474-175): HART-enabled analog output CHARM; 4–20 mA; single channel; loop-powered or externally powered.
• 8C-PAOH02 (51454474-275): Dual-channel HART analog output CHARM; independent loop power per channel.

CHARM Modules — Digital Input (DI)

• 8C-PDID01 (51454476-175): 24 VDC digital input CHARM; dry contact or wet contact; single channel; SOE (Sequence of Events) capable.
• 8C-PDID02 (51454476-275): Dual-channel 24 VDC DI CHARM; SOE resolution to 1 ms.
• 8C-PDIS01 (51454478-175): 120 VAC digital input CHARM; single channel; galvanically isolated.

CHARM Modules — Digital Output (DO)

• 8C-PDOD01 (51454480-175): 24 VDC digital output CHARM; single channel; 2 A rated; short-circuit protected.
• 8C-PDOD02 (51454480-275): Dual-channel 24 VDC DO CHARM; independent channel diagnostics.
• 8C-PDOS01 (51454482-175): 120/240 VAC digital output CHARM; single channel; relay-isolated output.

Power & Cabinet Infrastructure

• 8C-PCNT01 (51454484-175): CHARM cabinet power conditioner; 24 VDC rail; redundant power input capable.
• 8C-CBCK01 (51454486-175): CHARM I/O backplane; 24-slot; mounts CIOC and CHARM modules; DIN-rail compatible.

Sourcing Hard-to-Find & Obsolete 8C Series Parts

The Honeywell 8C Series entered its mature lifecycle phase approximately 2018–2020, with Honeywell transitioning active development focus toward the Experion PKS Highly Integrated Virtual Environment (HIVE) architecture. However, the installed base of 8C hardware remains extensive, and OEM new-stock availability for specific CHARM variants and CIOC revisions has become increasingly constrained through standard distribution channels.

DriveKNMS maintains a dedicated inventory program for 8C Series lifecycle support, covering the following sourcing categories: new-surplus OEM stock (factory-sealed, full traceability), tested-functional refurbished units (full functional verification against OEM test parameters), and exchange/repair services for CIOC cards including the 8C-IP0102 51454362-275. All units are stored in ESD-controlled environments with humidity and temperature monitoring. Export documentation, country-of-origin certificates, and material traceability records are provided on request for regulated industries including nuclear and defense-adjacent facilities.

Quality Control for the 8C Series Range

The 8C Series CHARM architecture presents specific quality verification requirements due to the complexity of the CIOC backplane communication bus and the channel-level signal characterization logic embedded in each CHARM module. DriveKNMS applies the following test protocol to all 8C Series units processed through its facility:

• CIOC Functional Test (8C-IP0102 and variants): Power-on self-test verification; FTE port link negotiation test (100/1000 Mbps); CHARM bus enumeration test with minimum 12-slot populated chassis; firmware version verification against Experion PKS compatibility matrix.
• CHARM Module Signal Accuracy Test: Each AI CHARM is tested against a calibrated signal source (Fluke 725 or equivalent); output deviation must be within ±0.1% of full-scale range. HART communication integrity is verified using a HART communicator (375 or 475 field communicator).
• DI/DO CHARM Isolation Test: Hi-pot isolation test at 500 VDC between field terminals and logic bus; leakage current must not exceed 1 mA.
• Burn-In Procedure: All refurbished CIOC cards undergo 48-hour powered burn-in at 40°C ambient prior to shipment.
• Final Inspection: Visual inspection of backplane connector pins, CHARM locking tabs, and label integrity. Units failing any criterion are quarantined and not shipped.