Vibration-Protection Systems For Industrial Sector

To help manufacturers and operators meet the latest vibration-protection requirements, Sensonics has developed robust vibration-protection systems for a range of industrial sectors. For example, the company's DN2611 SIL (Safety Integrity Level) rated dual-channel monitor is ideal for machine-casing and bearing vibration-monitoring applications. It provides dual-level alarms (warning and danger) for each channel, and provides a relay interface for plant shutdown and health monitoring.

Current loop outputs for each channel are provided for interfacing, with a PLC for trending and further alarm monitoring. The transducer interface can be configured for operation with or without safety barriers. In a simplex configuration, the monitor used in conjunction with Sensonics PZS4 accelerometer is suitable for SIL 1 applications, while, in a duplex configuration (two parallel channels), protection can be provided at a SIL 2 level.

Where the probability of failure to trip on demand for each configuration is designed to meet SIL target, the resulting spurious trip performance is also excellent, according to the company. This ensures a high-integrity protection solution with minimal risk of downtime due to spurious events.

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