Yokogawa SEC402-21 ESB Bus Coupler Module Program Controller Dimensions: 120 × 100 ×

Dimensions: 120 × 100 × 60 mm

it supports Modbus and DNP3 protocols for seamless integration with SCADA and DCS systems

5 kg  Key Application Scenarios

The 149832-01 is engineered for reliable data processing in harsh industrial environments

Yokogawa SEC402-21 ESB Bus Coupler Module Program Controller Dimensions: 120 × 100 ×Product Description The SEC402 21 is a high speed ESB (Extended Safety Bus) coupler module for the Yokogawa ProSafe RS. It connects the main safety control unit to distributed safety node units, enabling deterministic, fault tolerant communication. Designed for redundant configurations, it ensures continuous operation of safety critical loops in ESD and process safety applications. Its rugged design supports reliable performance in demanding