Product Description
Overview
The YOKOGAWA SSC50D-S2543 is a duplexed safety control unit designed for ProSafe-RS systems. It ensures high-reliability safety control in industrial applications, supporting dual-redundant communication and power supply configurations.
Key Features
✅ MIPS R5000 Processor with 32 MB memory
✅ Flash memory storage for application programs
✅ NVRAM for operation data retention during power failures
✅ Vnet/IP and ESB bus interfaces (dual-redundant)
✅ Supports up to 9 safety node units per control unit
✅ Handles up to 8 I/O modules per control unit (78 per SCS)
✅ Rack-mountable (19-inch cabinet installation)
✅ ATEX Directive Compliance (optional)
Technical Specifications
Processor & Memory
- CPU: MIPS R5000 Processor
- Main Memory: 32 MB
-
Memory Protection:
- Flash memory for application program storage
- NVRAM for operation data retention
Communication Interfaces
-
Vnet/IP Interface:
- Dual-redundant, 100 Mbps, Full-duplex
- UTP cable (CAT5e or higher) with RJ45 connector
- 100BASE-TX compliance
- Maximum Distance: 100m (to Layer 2 switch)
-
ESB Bus Interface:
- Dual-redundant
- Supports up to 9 safety node units
- Expandable via Optical ESB bus repeater module
Power Requirements
-
Available Voltage Options:
- 100–120V AC, 50/60 Hz (200 VA)
- 220–240V AC, 50/60 Hz (230 VA)
- 24V DC (5.5 A)
- Dual-redundant power supply supported
Battery Backup
- Battery Model: S9185FA
- Recommended Replacement: Every 3 years (at 30°C or lower)
Environmental Considerations
- Standard Operating Temperature: -20 to 40°C
- For High-Temperature Use: Fan unit required above 40°C
Physical & Mounting
- Weight: Approx. 8.5 kg
- Rack Mounting: Secured with 8 M5 screws
Model & Suffix Codes
| Model | Description |
|---|---|
| SSC50D | Duplexed Safety Control Unit (Rack Mountable) |
| Suffix Code | Option |
|---|---|
| -S | Standard Type (-20 to 40°C, ISA Standard G3) |
| 2 | Dual-redundant power supply |
| 5 | No explosion protection |
| 4 | 24V DC power supply |
| 3 | CFS1100 Safety Control Function License (R3.02.31 or later) |
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