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- Yokogawa
- SCP451-11-S1
- Processor Module
- Japan
- 123 mm Γ 122 mm Γ 100 mm
- 1.4kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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π Product Overview β Yokogawa SCP451-11-S1
The SCP451-11-S1 is a logic control processor module designed for high-integrity Safety Instrumented Systems (SIS), particularly for use in the ProSafe-RS series. It performs critical safety logic execution and manages communication between safety input/output modules and higher-level control networks.
This model complies with SIL-3 (Safety Integrity Level 3), delivering deterministic real-time safety logic processing. It is optimized for mission-critical applications such as emergency shutdown systems, fire and gas detection, burner management, and high-integrity pressure protection.
π Technical Specifications β SCP451-11-S1
| Parameter | Specification |
|---|---|
| Model | SCP451-11-S1 |
| Type | Logic Processor Module |
| Application | Safety Instrumented System (SIS) controller |
| Processing Capacity | High-speed safety logic execution |
| Memory | 64 MB (Non-volatile), 32 MB RAM |
| Communication Interfaces | ESB Bus, Vnet/IP (via system integration), RS-232 |
| SIL Certification | SIL-3 compliant (IEC 61508) |
| Diagnostic Features | Built-in self-checks, watchdog timer, fault isolation |
| Power Supply | 24 V DC (via backplane) |
| Operating Temperature | β10 Β°C to +55 Β°C |
| Storage Temperature | β40 Β°C to +85 Β°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Vibration Resistance | 2.5 g RMS (10β500 Hz) |
| Shock Resistance | 10 g (11 ms half-sine) |
| Mounting | DIN-rail / system rack |
| Dimensions (H Γ W Γ D) | 123 mm Γ 122 mm Γ 100 mm |
| Weight | 1.4 kg |
| Protection Class | IP20 (front panel) |
| Certifications | CE, UL, CSA, ATEX, IECEx, SIL-3 |
π Applications
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Emergency Shutdown Systems (ESD) β Executes logic that initiates plant shutdowns during critical process failures.
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Fire & Gas Detection Systems (FGS) β Processes input from flame or gas detectors and triggers alarms or actions.
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High Integrity Pressure Protection Systems (HIPPS) β Ensures that pressure thresholds are not exceeded by commanding control valves.
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Burner Management Systems (BMS) β Coordinates complex interlock logic for burner operation and shutdown.
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Tank Overfill Prevention Systems (TOPS) β Calculates input from level transmitters and controls shutoff valves to prevent spills.
β Product Advantages
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SIL-3 Compliant Safety Control β Enables full implementation of certified safety loops.
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High Processing Speed β Ensures reliable execution of real-time safety logic with no latency.
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Integrated Diagnostics β Automatically detects internal faults, communication errors, and memory integrity.
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Compact & Modular β Fits neatly into safety system racks or panels; easy to replace or scale.
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ProSafe-RS Native Compatibility β Seamlessly integrates with the entire safety system architecture.
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Fail-Safe Operation β Automatically transitions to a predefined safe state in the event of hardware or communication failures.
π·οΈ Brand & Series
| Field | Description |
|---|---|
| Brand | Yokogawa |
| Product Series | ProSafe-RS |
| Product Category | Safety Logic Processor Module |
π Related / Same-Series Models (5 Models)
| Model | Description | Key Specifications |
|---|---|---|
| SCP451-53 | 4-Channel Analog Output Module | 0β20 mA/0β10 V outputs, 12-bit, 1.5 kg |
| SCP451-51 | Safety Communication Module | Controls I/O data exchange, ~1.3 kg |
| SCP451-DI | Digital Input Module | 16-channel input, high isolation, 1.4 kg |
| SCP451-DO | Digital Output Module | 16-channel output, fault detection, 1.4 kg |
| SCP451-AI | Analog Input Module | 4/8 channel analog input, SIL-3, 1.6 kg |
π Popular Yokogawa Models (5 Recommended)
| Model | Description | Key Specifications |
|---|---|---|
| CP701 | Field Control Station Processor | High-speed control logic, 1.7 kg, dual Ethernet |
| ADV151-P00 | Digital Output Card | 16 outputs, fast relay switching, 0.9 kg |
| ANB10D-420 | Remote I/O Communication Unit | I/O expansion, DIN rail mount, 1.2 kg |
| VI702 | Vnet/IP Communication Card | Ethernet interface, redundant capability, 0.5 kg |
| EC401-51 | I/O Bus Coupler Module | Expands backplane connectivity, 1.1 kg |
β Frequently Asked Questions (FAQ)
Q1: What is the function of the SCP451-11-S1?
A1: It functions as the logic execution module for ProSafe-RS safety systems, handling all real-time safety calculations and interlocks.
Q2: Is this module certified for use in critical safety applications?
A2: Yes, it is certified to SIL-3, the highest level commonly used in industrial safety applications.
Q3: How many logic sequences can it execute?
A3: The number depends on application complexity, but it is designed to execute hundreds of interlocks in real time.
Q4: Can this module be replaced online?
A4: No. For safety reasons, power must be disconnected before replacement.
Q5: What is the communication interface used?
A5: It communicates via ESB Bus or integrates with the system’s Vnet/IP for distributed architecture.
Q6: What happens if the processor fails?
A6: It enters a safe state, and diagnostic alerts are sent to the supervisory system.
Q7: Is it suitable for offshore or hazardous environments?
A7: Yes, with appropriate certifications like ATEX and IECEx, it can be used in hazardous zones.
Q8: What diagnostic features are included?
A8: The module includes self-checks, watchdog timers, memory integrity checks, and fault isolation.
Q9: What power source is required?
A9: It operates from a 24 V DC supply delivered via the ProSafe-RS backplane.
Q10: How heavy and large is the unit?
A10: It weighs 1.4 kg and measures 123 mm Γ 122 mm Γ 100 mm.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.