YOKOGAWA SSC50D-S2543 Duplexed Safety Control Unit

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

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