Manufacturing AUTOMATION

Products Machine Safety
Wieland develops SNO4083 series intelligent safety relays


October 7, 2016
By Manufacturing AUTOMATION

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Oct. 7, 2016 – Wieland Electric says it has developed a compact DIN rail mounted universal safety relay for monitoring various machine safety functions, including emergency stops, elevator access control, and heating/burner installations.

The SNO4083 series of universal safety relays promise to provide “reliable monitoring” for emergency stop and non-contact protection systems for machine operators in harsh industrial environments. The safety relays accept inputs from single and dual channel emergency stop sensors with dry contacts (NO+NO or NO+NC), as well as PNP outputs from active sensors, reed switches from coded magnet actuators, and resistive inputs from safety mats and bumper switches. The relay’s output features three NO and one NC auxiliary contacts; meanwhile the relays are available in 24Vdc or 115/230Vac versions with either screw-clamp or spring-clamp pluggable terminations. A three-LED status display on the front face displays typical fault conditions and helps to facilitate troubleshooting and diagnostics.


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