The Yokogawa SCP401-11 is a high-performance Safety Communication Processor module used in Yokogawa ProSafe-RS Safety Instrumented Systems (SIS).
It is designed to manage secure, redundant, and deterministic communication between safety controllers, operator stations, and system networks. This module plays a critical role in ensuring real-time data integrity and system availability in safety-critical applications such as ESD, F&G, and BMS systems.
The SCP401-11 is widely used in high-integrity process industries, where continuous communication reliability is essential for plant safety and shutdown functions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | SCP401-11 |
| Product Type | Safety Communication Processor |
| System | ProSafe-RS SIS |
| Function | Safety network communication management |
| Architecture | Dual-redundant system support |
| Communication Speed | Up to 1 Gbps Ethernet backbone |
| Failover Time | < 50 ms automatic switchover |
| Diagnostics | Built-in self-test + system monitoring |
| Installation Type | Rack-mounted module |
| Power Supply | 24 V DC (redundant input supported) |
| Operating Temperature | 0°C to 55°C |
SCP401-11 is engineered for high-availability safety communication networks, ensuring uninterrupted operation even in case of hardware failure.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 163 × 38 × 58 mm |
| Weight | Approx. 0.3 – 2.0 kg (varies by supplier) |
| Mounting Type | DCS / SIS rack slot module |
| Structure | Industrial communication processor board |
| Cooling | Natural convection inside cabinet |
Recommended Related Models
- Yokogawa SCP401-10 – non-redundant variant
- Yokogawa FSC401 – safety controller unit
- Yokogawa HIS operator station series
- Yokogawa YPS100-S – safety power supply module
- Yokogawa S9402UK – ESB interface module
Popular Yokogawa Models
- Yokogawa SCP401-11 – safety communication processor
- Yokogawa FSC401 – safety controller
- Yokogawa ADV161 – digital input module
- Yokogawa SAI533 – analog output module
- Yokogawa CENTUM VP – DCS platform
