The Yokogawa S2CP471-01 S1 serves as the primary intelligence for the ProSafe-RS Safety Instrumented System (SIS). This processor module executes critical safety logic for Emergency Shutdown (ESD), Fire and Gas (F&G) systems, and Burner Management Systems (BMS). We provide this unit as 100% Brand New and Original, ensuring compliance with stringent IEC 61508 SIL3 requirements. The "-01" designation identifies this specific module as the explosion-protected variant, engineered for high-risk zones within oil and gas, petrochemical, and power generation facilities.
| Code | Significance |
| S2CP471 | ProSafe-RS Series 2 Processor Module |
| -01 | Explosion-Protected Specification for Hazardous Areas |
| S1 | Standard Hardware Revision/Type |
Processor: High-speed RISC Architecture (approx. 1 GHz)
Memory: 2 GB RAM + 512 MB Flash for non-volatile storage
Control Redundancy: Supports Duplex (1:1) Hot Backup and Cold Standby
Networking: 2 × Ethernet Ports (Vnet/IP) + 2 × Serial (RS-232/RS-485)
Protocols: Modbus RTU, HART, Profibus, and Yokogawa Safety Network
Power Supply: 24 V DC ±20% (Approx. 15 W consumption)
Environmental Standards: ISA G3 compliant (Conformal Coating)
Temperature Range: -20 °C to 60 °C (Operating)
Dimensions: 5.1 cm x 20.3 cm x 14.6 cm (Compact footprint)
Weight: 0.9 kg (Net) / 1.2 kg (Shipping)
Hazardous Area Readiness: The explosion-protected circuitry makes the S2CP471-01 S1 suitable for deployment in volatile environments where standard processors cannot operate. This eliminates the need for expensive, bulky external purged enclosures.
SIL3 Deterministic Execution: The RISC processor guarantees fixed scan rates for safety loops. This ensures that the system triggers shutdown valves or fire suppression precisely within the safety-integrity time window, regardless of communication load.
High Availability Redundancy: This module supports full duplex redundancy. If the primary processor detects an internal fault, the standby unit assumes control within milliseconds, preventing "false trips" that result in significant production losses.
Corrosive Gas Protection: By adhering to the ISA G3 environmental standard, the module resists corrosion in facilities with high concentrations of hydrogen sulfide or other aggressive gases. This significantly extends the hardware lifecycle in harsh refining applications.
Seamless Scalability: The S2CP471-01 S1 integrates effortlessly with SSC60 and S2SC70 safety control units, allowing engineers to expand safety coverage across the plant without changing the underlying architecture.
Can I use the S2CP471-01 to replace an older SCP461 module?Yes, you can utilize S2CP471 upgrade kits (S2CP471KT) to modernize existing ProSafe-RS systems using older SCP461 processors. This upgrade enhances processing speed and memory capacity.
What version of ProSafe-RS software does this module require?The S2CP471-01 S1 requires ProSafe-RS R3.01 or later. If you mount this module on S2SC70 units, you must utilize R4.01 or later.
Does this module support online hardware replacement?In a redundant (duplex) configuration, you can replace a faulty S2CP471-01 S1 without powering down the safety station. The system automatically synchronizes the safety logic to the new module.
Is the warranty valid for international shipments?Yes, we ship via DHL/FedEx globally and provide a full 12-month factory warranty for all New & Original Yokogawa safety modules.
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