Yokogawa SEC402-21 ESB Bus Coupler Module Program Controller the PP865 ensures reliable operation

the PP865 ensures reliable operation in demanding environments such as power plants

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5 kg  Key Application Scenarios

Dimensions: 120 × 100 × 60 mm

Surrounding Air

Yokogawa SEC402-21 ESB Bus Coupler Module Program Controller the PP865 ensures reliable operationProduct 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