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- Yokogawa
- SCP451
- Processor Module
- Japan
- 123 mm × 122 mm × 100 mm
- 1.5kg
- Xiamen, China
- New & In Stock
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📦 Product Overview – Yokogawa SCP451-53
The Yokogawa SCP451-53 is a 4-channel analog output module designed for use within Safety Instrumented Systems (SIS), supporting SIL-3 functional safety requirements. It is part of the ProSafe-RS series and is engineered for industrial environments where reliability, precision, and fail-safe operation are mandatory.
This module converts digital commands into precise analog outputs (current or voltage), driving control valves, actuators, or signal transmission equipment in safety-critical applications. It ensures strong isolation, high signal fidelity, and robust resistance to vibration and environmental stress.
📊 Technical Parameters – SCP451-53
| Parameter | Specification |
|---|---|
| Model | SCP451-53 |
| Function | 4-Channel Analog Output Module (SIS Use) |
| Output Types | 0–20 mA, 4–20 mA, 0–10 V DC, 1–5 V DC |
| Output Channels | 4 |
| Output Resolution | 12-bit |
| Output Accuracy | ±0.1% of full scale |
| Load Resistance (Current) | Up to 1000 Ω |
| Load Resistance (Voltage) | Up to 1 MΩ |
| Isolation Voltage | 500 Vrms (channel-to-ground) |
| Operating Temperature | –10 °C to +55 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity Tolerance | 5% to 95% RH (non-condensing) |
| Vibration Resistance | 2.5 g RMS (10–500 Hz) |
| Shock Resistance | 10 g, 11 ms half-sine |
| Protection Rating | IP20 (front panel) |
| Power Consumption | Max. 10 W |
| Dimensions (H × W × D) | 123 mm × 122 mm × 100 mm |
| Weight | 1.5 kg |
| Safety Certifications | SIL-3 (IEC 61508), CE, UL, CSA, ATEX, IECEx |
🏭 Product Applications
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Emergency Shutdown Systems (ESD) – Drives final control elements with analog signals in safety loops.
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Fire and Gas Systems (FGS) – Used to transmit control signals to alarms and dampers.
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Burner Management Systems (BMS) – Provides analog outputs to regulate fuel feed systems.
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Pipeline Safety Control – Interfaces with valve actuators and pressure control systems.
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High-Integrity Pressure Protection Systems (HIPPS) – Sends analog trip signals with high accuracy.
✅ Product Advantages
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SIL-3 Certified – Suitable for the most stringent safety applications.
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High Precision Output – ±0.1% accuracy ensures process stability.
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Supports Multiple Output Formats – Ideal for flexible integration in different systems.
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Robust Isolation – 500 Vrms electrical isolation prevents signal interference.
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Environmentally Durable – Resistant to vibration, shock, and temperature extremes.
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Modular Design – Simplifies maintenance, replacement, and expansion.
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Diagnostic Capabilities – Facilitates preventive maintenance and system health checks.
🏷️ Brand & Series
| Field | Description |
|---|---|
| Brand | Yokogawa |
| Product Series | ProSafe-RS |
| Category | Safety I/O Module – Analog Output |
🔁 Related Models (Same Series or Function)
| Model | Description | Key Specs |
|---|---|---|
| SCP451-11 | Logic Processor Module | SIL-3, CPU-based logic execution, ~0.7 kg |
| SCP451-51 | Communication/Controller Module | Manages internal comms, ~0.5 kg |
| SCP451-AI | Analog Input Module | 4–8 channels, 12-bit resolution |
| SCP451-DI | Digital Input Module | 16 channels, SIL-3 rated |
| SCP451-DO | Digital Output Module | 16 channels, isolated outputs |
🔝 Other Popular Yokogawa Models
| Model | Description | Key Specs |
|---|---|---|
| ADV151-P00 | Digital Output Module | 16 outputs, fast switching, ~0.8 kg |
| ANB10D-420 | Remote I/O Node Unit | ESB Bus, network interface, ~1.2 kg |
| CP701 | Field Control Unit (CPU) | High-speed logic processor, ~1.4 kg |
| VI702 | Vnet/IP Interface Card | Ethernet-based system interface |
| EC401-51 | I/O Bus Coupler | Expands I/O, supports backplane comms |
❓ Frequently Asked Questions (FAQ)
Q1: What does the SCP451-53 do?
A1: It converts digital safety logic into analog output signals for controlling actuators and devices in Safety Instrumented Systems (SIS).
Q2: What safety certifications does this module have?
A2: It is certified for SIL-3 under IEC 61508 and also holds CE, UL, CSA, ATEX, and IECEx certifications.
Q3: What is the output signal range?
A3: It supports 0–20 mA, 4–20 mA, 0–10 V DC, and 1–5 V DC output ranges.
Q4: How many output channels are available?
A4: There are four independent analog output channels per module.
Q5: What are its dimensions and weight?
A5: The module measures 123 mm × 122 mm × 100 mm and weighs 1.5 kg.
Q6: Can this module operate in high-vibration areas?
A6: Yes, it is rated for 2.5 g RMS vibration resistance from 10 to 500 Hz.
Q7: Is the module hot-swappable?
A7: No, it should be powered down before removal or replacement.
Q8: What happens if the module fails?
A8: The system transitions to a safe state according to safety logic and alarms the fault via diagnostics.
Q9: Can I use this module in a non-safety DCS system?
A9: While technically possible, it is specifically optimized and certified for use in safety systems.
Q10: How is output signal accuracy maintained?
A10: The module uses precision DACs, isolation, and temperature compensation to ensure ±0.1% output accuracy.
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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.
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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.
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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%.
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24-hour after-sales service guarantee team, professional and standardized management service system.