A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
Efficient Distributed Communication for Yokogawa DCS
The Yokogawa SB401-11 Bus Interface Subordinate Module is designed to provide reliable communication between field I/O devices and central controllers in Yokogawa distributed control systems (DCS). Operating as a subordinate module on the ESB (Enhanced System Bus), it enables seamless data exchange and synchronization for multiple connected I/O modules.
Its compact and robust design allows for flexible installation in control cabinets, supporting both system expansion and modernization projects across industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model Number | SB401-11 |
| Product Type | Bus Interface Subordinate Module |
| System Compatibility | Yokogawa CENTUM / ESB-based DCS platforms |
| Communication Type | ESB (Enhanced System Bus) |
| Node Capacity | Supports multiple subordinate I/O modules per node |
| Redundancy Support | Dual-module redundancy supported |
| Power Supply | System-specific AC/DC configuration |
| Power Consumption | Approx. 100–120 W depending on system setup |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -20°C to 70°C |
| Dimensions | 130 mm × 142.5 mm × 32.8 mm |
| Weight | Approx. 0.33 kg |
| Mounting Type | Rack-mounted within DCS cabinet |
