The Yokogawa SCP401-11 S1 is a Safety Communication Processor module used in Yokogawa ProSafe-RS Safety Instrumented Systems (SIS).
It is designed to manage redundant and high-speed safety network communication between safety controllers, I/O subsystems, and operator stations. The module ensures deterministic data transfer, system redundancy, and fast failover protection, which are essential for safety-critical applications such as ESD, F&G, BMS, and HIPPS systems.
The “-S1” suffix indicates a specific hardware revision/style variant within the SCP401-11 series, commonly used in standard ProSafe-RS rack configurations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | SCP401-11 S1 |
| Product Type | Safety Communication Processor |
| System | ProSafe-RS SIS |
| Function | Safety network communication control |
| Architecture | Dual-redundant system support |
| Communication | Industrial Ethernet / Safety network |
| Redundancy | 1:1 redundant configuration |
| Failover Time | < 50 ms automatic switchover |
| Diagnostics | Built-in self-test & status monitoring |
| Installation Type | Rack-mounted module |
| Power Supply | 24 V DC (redundant input supported) |
| Operating Temperature | 0°C to 55°C |
The SCP401-11 S1 is designed for high availability safety communication networks, ensuring uninterrupted operation even during hardware faults.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 100 × 100 × 30 mm (variant dependent) |
| Weight | Approx. 0.2 – 1.0 kg (supplier dependent) |
| Mounting Type | DCS / SIS rack slot module |
| Structure | Industrial communication processor board |
| Cooling | Natural convection inside cabinet |
Recommended Related Models
- Yokogawa SCP401-11 – standard variant
- Yokogawa SCP401-10 – non-redundant version
- Yokogawa FSC401 – safety controller module
- Yokogawa YPS100-S – safety power supply module
- Yokogawa HIS station – operator interface system
Popular Yokogawa Models
- Yokogawa SCP401-11 S1 – safety communication processor
- Yokogawa FSC401 – safety controller
- Yokogawa SDV144 – digital input module
- Yokogawa SAI533 – analog output module
- Yokogawa CENTUM VP – DCS platform
