Product Overview
Honeywell SPS5710-2-LF 51198685-100 Replacement for Experion PKS: Seamless Transition & Legacy System Compatibility
The Honeywell SPS5710-2-LF (Part No. 51198685-100) is a redundant DCS power supply module designed for the Experion PKS (Process Knowledge System) platform. As Honeywell progressively phases out legacy C200/C300 controller generation components, many facilities running continuous process control — including refining, petrochemical, power generation, and pharmaceutical operations — face the critical challenge of sourcing a verified, drop-in replacement that preserves system integrity without requiring a full architecture overhaul.
TOPNLMS maintains ready stock of the SPS5710-2-LF to support emergency replacement, planned maintenance windows, and phased migration projects. Each unit is pre-shipment tested, serialized, and dispatched with full documentation to minimize your plant downtime.
Compatibility Comparison Table
| Parameter |
Legacy / Outgoing Unit |
SPS5710-2-LF (51198685-100) |
| Part Number |
51198685-100 (earlier revision) |
SPS5710-2-LF / 51198685-100 |
| Platform |
Experion PKS C200 / C300 Series |
Experion PKS C200 / C300 Series |
| Output Voltage |
24 VDC regulated |
24 VDC regulated |
| Redundancy Support |
Yes (paired PSU slot) |
Yes — hot-swap redundant |
| Mounting / Form Factor |
Standard Experion chassis rail |
Direct chassis rail fit — no adapter |
| Wiring Interface |
Screw-terminal / backplane connector |
Identical backplane connector pinout |
| Communication Bus |
FTE (Fault Tolerant Ethernet) backplane |
FTE backplane compatible |
| Firmware Compatibility |
Experion R310–R500 |
Experion R310–R500 and later |
| Installation Requirement |
Requires chassis power-down for swap |
Hot-swap capable in redundant config |
| Replacement Recommendation |
Direct 1:1 replacement |
✔ Confirmed drop-in replacement |
| Warranty |
— |
12-Month Warranty (TOPNLMS) |
Seamless Upgrade Solutions
A power supply replacement rarely occurs in isolation. During an Experion PKS modernization or emergency swap, field engineers typically audit the surrounding chassis components to prevent cascading failures. When replacing the SPS5710-2-LF, it is common practice to simultaneously inspect or replace the Honeywell CC-PAIX01 analog input module and CC-PDOB01 digital output module if they share the same C300 controller chassis, as power rail stress from a failing PSU can degrade I/O module performance over time.
For facilities migrating from older TDC 3000 or PlantScape architectures to Experion PKS, the SPS5710-2-LF is a foundational component in the new chassis build. The migration typically also involves the Honeywell CC-TCNT01 controller module, CC-TAIX11 thermocouple input card, and the ENET-2 Ethernet communication module to establish FTE redundancy across the new control network.
Control cabinet space is a frequent constraint during retrofit projects. The SPS5710-2-LF retains the same DIN-rail-compatible chassis footprint as its predecessor, meaning no panel re-engineering is required. Engineers integrating this unit alongside a Honeywell ControlEdge HC900 hybrid controller or a Safety Manager SC module in a shared cabinet will find the power budget and physical envelope fully compatible with standard 19-inch rack enclosures.
For sites that also operate Siemens S7-300 or Allen-Bradley ControlLogix PLCs in adjacent control loops, the SPS5710-2-LF’s 24 VDC output is compatible with standard field device power distribution terminals, simplifying cross-platform cabinet wiring during phased migration. Signal isolators and Phoenix Contact MINI Analog Pro signal conditioners are commonly deployed at the interface boundary to maintain loop integrity between the Honeywell DCS and third-party PLC segments.
Programming and configuration changes are not required when performing a like-for-like SPS5710-2-LF swap. The Experion PKS server recognizes the replacement module automatically upon chassis re-energization, and no Experion Configuration Studio re-download is needed unless the firmware revision differs by more than one major release band.
Retrofit Guidance FAQ
Q: Do I need to rewire the cabinet when replacing the SPS5710-2-LF?
No. The SPS5710-2-LF uses the same backplane connector and chassis rail as the original unit. Field wiring to the power distribution terminal block remains unchanged. Only the module itself is swapped.
Q: Can I hot-swap the SPS5710-2-LF in a redundant PSU configuration?
Yes. In a dual-PSU chassis configuration, the SPS5710-2-LF supports hot-swap replacement while the redundant unit maintains system power. Single-PSU installations require a controlled shutdown before replacement.
Q: Is the SPS5710-2-LF compatible with all Experion PKS firmware versions?
The module is validated for Experion R310 through R500 and is generally forward-compatible with later releases. Verify your Experion server release notes for any PSU firmware dependency before installation.
Q: Will my existing PLC program or DCS configuration require modification?
No program changes are required for a direct replacement. The Experion PKS server auto-detects the module. If migrating from a different PSU model or chassis generation, a partial configuration re-download via Experion Configuration Studio may be required.
Q: What communication protocols does the SPS5710-2-LF support?
The module operates on the Honeywell FTE (Fault Tolerant Ethernet) backplane bus. It does not expose an independent fieldbus interface (PROFIBUS, Modbus, HART) — those are handled by dedicated I/O and communication modules within the same chassis.
Q: How much physical space does the module require?
The SPS5710-2-LF occupies a standard Experion PSU slot in the C200/C300 chassis. No additional panel space or mounting hardware is required beyond the existing chassis slot.
Warranty Assurance
Every Honeywell SPS5710-2-LF (51198685-100) shipped by TOPNLMS is covered by a 12-month replacement warranty from the date of delivery. Prior to dispatch, each unit undergoes a multi-point functional test including output voltage verification, redundancy bus handshake check, and thermal cycling inspection. Units that do not meet OEM specification thresholds are quarantined and not offered for sale.
In the event of a warranty claim, TOPNLMS provides a replacement unit dispatch within 3 business days of fault confirmation, with no requirement to return the defective unit before the replacement ships for critical production environments. Full after-sales support is available via email and phone throughout the warranty period.
For procurement teams, TOPNLMS issues a commercial invoice, packing list, and test report with every shipment. Export documentation for cross-border orders is prepared in compliance with CN customs regulations. Lead time for in-stock units is typically 3–7 business days to major industrial hubs globally.
To confirm stock availability, request a quotation, or discuss bulk procurement pricing, contact our industrial automation team directly.