YOKOGAWA SED4D-11 TERMINAL BLOCK

Description:

The Yokogawa SED4D-11 Terminal Block is used a digital terminal board used in Yokogawa ProSafe-RS and CENTUM VP systems to provide structured wiring between I/O modules and field devices. It serves as the interface layer, enabling secure and organized connections for digital signals while supporting both single and dual-redundant system configurations.

Applications:

The Yokogawa SED4D-11 is used in industrial environments for connecting digital input/output modules to field devices. It is commonly deployed in safety instrumented systems (SIS), emergency shutdown systems (ESD), fire & gas systems, and general process control in oil & gas, LNG, chemical, and power plants. It ensures reliable signal routing and simplifies maintenance and troubleshooting.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: SED4D-11
• Product Type: Digital Terminal Board / Terminal Block
• Number of Channels: 16 channels × 2 (dual configuration support)
• Terminal Type: M4 screw terminals
• Signal Type: Digital (input/output interface)
• Current Capacity: Up to ~5 A per channel
• Withstand Voltage: 500 V AC (1 minute)
• Insulation Resistance: ≥100 MΩ @ 500 VDC
• Connection Cable: AKB331 dedicated signal cable
• Configuration: Supports single or dual-redundant setups
• Mounting: Rack-mounted terminal board (ProSafe-RS system)
• Function: Provides wiring interface between I/O modules and field devices

Common Replacements:

• Yokogawa SED4D-06 (newer replacement version)
• Yokogawa SEA4D / SBA4D terminal boards
• Yokogawa AET4D series terminal blocks