Functional safety

Detect system failures and errors to avoid dangerous operation

In machine control systems for cranes, lifting platforms and forklift trucks among others pressure transmitters are typically used. By the use of two pressure transmitters mounted on the main hydraulic cylinder system, redundancy is created in the system. The transmitter detects system failures and random error functions so that moving parts are shut down in case of dangerous operation and serious accidents are avoided.

Typical specifications

Pressure range: 40 – 500 bar
Temperature range: -40 – 125 °C
Accuracy: 0.5% FS
Response time typically < 1 mS
Overpressure: 3 x FS
Burst pressure: 10 – 20 x FS

Features and benefits

MTTFd, B10d and Mission time values
High burst and over pressure capabilities due to fully welded design
Resistant towards cavitation and liquid hammering
Good vibration and shock stability
Excellent EMC immunity
Zero drift due to excellent long term stability
Wide range of electrical and pressure connections
Wetted parts made of stainless steel

Functional safety sensor

Learn more about DST P92S SIL2 pressure sensor with built-in functional safety for mobile hydraulic applications.

Go to the DST P92S product page

Danfoss DST P92S pressure sensor for functional safety

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