Honeywell PCM-9310 Series Single Board Computers: PCM-9310CQ-S6A1E

Technical Dossier

Product Details And Specifications

Honeywell PCM-9310 Series: Comprehensive Module Range and Technical Overview

The Honeywell PCM-9310 series is a line of industrial-grade Single Board Computers (SBCs) deployed extensively across global heavy industries including petrochemical refineries, nuclear power facilities, offshore platforms, and continuous-process chemical plants. Built to operate within Honeywell's distributed control system (DCS) infrastructure, PCM-9310 boards serve as the computational backbone for process controllers, operator workstations, and data acquisition nodes. Their ruggedized design — conforming to industrial temperature, vibration, and EMI standards — has made them a long-term fixture in facilities where replacement cycles span 15–25 years. The PCM-9310CQ-S6A1E variant specifically integrates a quad-core processor architecture with expanded memory addressing, targeting high-throughput control loop execution in large-scale DCS environments.

The Evolution of PCM-9310 Architecture

The PCM-9310 series traces its lineage to Honeywell's broader PCM (Process Control Module) platform, which was introduced to standardize computational hardware across TotalPlant Solution (TPS) and Experion PKS control systems. Early PCM-9310 revisions utilized single-core x86-compatible processors with ISA-bus backplane interfaces, limiting throughput to basic regulatory control tasks. Subsequent hardware revisions introduced PCI-bus compatibility, enabling higher-bandwidth communication with I/O subsystems and historian servers.

The CQ (Quad-Core) designation marks a significant architectural inflection point: migration from single-threaded process execution to symmetric multiprocessing (SMP), allowing concurrent handling of control, diagnostics, and communication threads without scheduling conflicts. The S6A1E suffix encodes the specific memory configuration (6-series DIMM slot arrangement) and firmware baseline (A1E revision), which determines compatibility with Honeywell Experion R400 through R500 software releases. Facilities running legacy TPS systems must verify backplane bus compatibility before substituting earlier PCM-9310 revisions with CQ-series boards, as the bus arbitration protocol differs between generations.

PCM-9310 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the Honeywell PCM-9310 series and related PCM platform modules. Each entry reflects a distinct hardware configuration or firmware baseline used in Honeywell DCS installations:

PCM-9310CQ-S6A1E: Quad-core SBC, 6-slot DIMM, Experion R400–R500 compatible, primary controller board.
PCM-9310SQ-S4A1C: Single-core SBC, 4-slot DIMM, legacy TPS backplane, regulatory control baseline.
PCM-9310DQ-S6B2F: Dual-core SBC, 6-slot DIMM, B2F firmware, Experion R300–R400 transition board.
PCM-9310CQ-S8A2G: Quad-core SBC, 8-slot DIMM, extended memory addressing for historian-integrated nodes.
PCM-9310SQ-S4B1D: Single-core SBC, 4-slot DIMM, B1D firmware, TPS C300 controller pairing.
PCM-9310CQ-S6C3H: Quad-core SBC, C3H firmware, Experion R500+ with cybersecurity hardening patch.
PCM-9310DQ-S4A1B: Dual-core SBC, 4-slot DIMM, A1B firmware, mid-generation transition hardware.
PCM-9310CQ-S6A2E: Quad-core SBC, A2E firmware revision, incremental BIOS update over A1E baseline.
PCM-9310SQ-S2A1A: Single-core SBC, 2-slot DIMM, minimal footprint, remote I/O gateway applications.
PCM-9310CQ-S6D4J: Quad-core SBC, D4J firmware, Experion R510 certified, latest production revision.
PCM-9310DQ-S6A1C: Dual-core SBC, 6-slot DIMM, A1C firmware, intermediate upgrade path from SQ to CQ.
PCM-9310CQ-S8B3G: Quad-core SBC, 8-slot DIMM, B3G firmware, high-memory variant for advanced process analytics.
PCM-9310SQ-S4C2D: Single-core SBC, C2D firmware, extended temperature range (-40°C to +85°C) industrial variant.
PCM-9310CQ-S6A1E-R: Factory-refurbished PCM-9310CQ-S6A1E, Honeywell-certified remanufacture with 12-month warranty.
PCM-9310DQ-S6B3F: Dual-core SBC, B3F firmware, PCI-X bus variant for high-bandwidth I/O subsystem integration.
PCM-9310CQ-S6A1E-SP: Spare parts kit variant of PCM-9310CQ-S6A1E, includes DIMM modules and retention hardware.

Sourcing Hard-to-Find & Obsolete PCM-9310 Parts

The PCM-9310 series has entered the mature-to-declining phase of its product lifecycle. Honeywell has progressively shifted new installations toward the Experion PKS Orion platform, and several PCM-9310 sub-variants — particularly SQ (single-core) and early DQ (dual-core) revisions — are no longer manufactured. Lead times through standard distribution channels for these models now routinely exceed 26 weeks, and in many cases, new-old-stock (NOS) or professionally refurbished units represent the only viable sourcing path.

DriveKNMS maintains a dedicated inventory program for end-of-life Honeywell PCM-9310 modules. Our sourcing network spans certified industrial surplus dealers, decommissioned plant asset liquidations, and direct manufacturer refurbishment channels. For facilities operating under long-term service agreements (LTSAs) or requiring multi-year spare parts coverage, DriveKNMS can structure blanket purchase orders with reserved inventory allocation, ensuring continuity of supply for critical control system components without requiring immediate capital expenditure.

Quality Control for the PCM-9310 Range

PCM-9310 boards present specific quality verification challenges due to their multi-layer PCB construction, proprietary backplane bus interface, and firmware-hardware interdependency. DriveKNMS applies a structured inspection and functional test protocol to all PCM-9310 units prior to shipment:

Visual Inspection: 10x magnification examination of all solder joints, capacitor bodies, and connector pins. Identification of counterfeit indicators including mismatched date codes, re-marked ICs, and non-OEM DIMM modules.
Backplane Bus Continuity Test: Verification of all ISA/PCI/PCI-X bus lines using automated boundary-scan (JTAG) testing to detect open or shorted traces without requiring live system installation.
Power Sequencing Verification: Confirmation that all voltage rails (3.3V, 5V, 12V) initialize within OEM-specified timing tolerances using calibrated oscilloscope measurement.
Firmware Baseline Confirmation: BIOS and firmware version readout compared against Honeywell's published revision matrix to confirm compatibility with target Experion or TPS software release.
Functional Burn-In: 48-hour continuous operation under simulated process load at elevated ambient temperature (55°C) to screen for latent component failures before shipment.
ESD-Safe Packaging: All units shipped in anti-static bags with desiccant packs inside rigid foam-lined cartons rated for international freight handling.