Description
The Honeywell SPS5710-2-LF (also identified by part numbers 51198685-100 and assembly model CC-PWRR01) is a specialized 24 V DC power redundancy diode module designed for the Experion Process Knowledge System (PKS) Series C hardware architecture. It manages the parallel combination and auctioneering of dual power supply sources, ensuring that a critical failure or short circuit in one primary power unit does not destabilize the 24 V DC system bus feeding the Series C controllers and Input/Output Termination Assemblies (IOTAs).
Commercial Availability & Terms
- Condition: New Original (Factory Sealed)
- Warranty: 12 months from delivery date
- Availability: In stock
- Lead Time: Ships within 1–2 business days via premium global air couriers (DHL, FedEx, UPS)
- Pricing Note: Price subject to market conditions; contact us for a firm quote.
Technical Specifications
| Parameter | Value |
| Model Nomenclature | SPS5710-2-LF / CC-PWRR01 |
| OEM Part Number | 51198685-100 |
| Input Voltage Range | 8.4 V DC to 36.4 V DC (24 V DC nominal) |
| Number of Inputs | 2 independent power source lines |
| Maximum Input Current | 20 A per input channel |
| Maximum Output Current | 40 A continuous (combined) |
| Output Reverse Voltage | 40 V DC (maximum breakdown threshold) |
| Voltage Drop (Typical) | 72 mV at 2 \times 10 A load; 140 mV at 2 \times 20 A load |
| Lead-Free Directive | Compliant (LF suffix denotes RoHS compliance) |
| Operating Temperature | −40 to +70 °C (−40 to +158 °F) |
| Storage Temperature | −40 to +85 °C (−40 to +185 °F) |
| Dimensions (W x H x D) | 36 mm x 124 mm x 127 mm (1.42 in x 4.88 in x 5.00 in) |
| Weight | 0.80 kg (1.76 lbs) |
Field Integration & Thermal Management
In field deployments of Experion Series C systems, the SPS5710-2-LF acts as an active ORing diode assembly. Traditional silicon diode blocks generate significant heat, but this module utilizes low-loss internal components to minimize forward voltage drop across the system.
Electrical Topology
The module accepts dual 24 V DC lines from separate mains-fed power supplies. It isolates the sources from each other, ensuring that if Power Supply A develops an internal short circuit across its output stage, Power Supply B cannot back-feed current into the fault. This keeps the distribution rail localized on the Series C backplane stable.
Environmental Constraints
- Thermal Dissipation: While the voltage drop is minimized (140 mV typical at full load), continuous high-current execution still generates localized thermal loads. Ensure clearance around the module on the vertical DIN rail carriage according to standard Series C cabinet assembly guidelines.
- Cabinet Placement: Do not place high-density analog output cards or other temperature-sensitive field termination modules directly above the SPS5710-2-LF without adequate forced-air ventilation.
Frequently Asked Questions
Can the SPS5710-2-LF be used to load-share between two standard power supplies?
No. The SPS5710-2-LF is an auctioneering (ORing) module, not an active load-sharing balancer. The power supply with the slightly higher output voltage setpoint will deliver the majority of the current. If the primary supply hits its current limit or drops in voltage, the alternate supply takes over the load instantly. For precise 50/50 load sharing, the upstream power supplies themselves must feature active droop or cross-monitoring circuitry.
What is the mechanical distinction between the SPS5710-2-LF part number and CC-PWRR01?
SPS5710-2-LF is the manufacturing electronic sub-assembly part number printed on the internal board layer and components, while CC-PWRR01 is the functional Honeywell catalog number used when ordering the complete redundant power module enclosure for the Series C assembly line. Both refer to the identical physical unit.
Does this module require firmware configuration or software licensing?
No. The SPS5710-2-LF is an entirely hardware-driven electrical device. It features no microcontrollers, internal firmware, or communication parameters requiring configuration within the Experion PKS Configuration Studio software. It operates immediately upon receiving valid DC input power. Always verify input voltage limits with your multimeters before connecting live field loops.
