In hazardous locations, local panels must perform vital safety functions without compromising the integrity of the hazardous area. Annunciators have a primary safety role in local panel design to provide immediate alert and response to danger.
Based on the field proven Omni16 alarm annunciator range, the Omni16 C1480B-EXN is a non-sparking backlit unit developed for use in these hazardous environments. The device accepts 16 potential free inputs and displays a visual warning when a critical alarm is triggered. Since it is non-sparking there is no danger of igniting any combustible gas or dust that may be present in the air.
The alarm sequences for the 16 inputs are configured by software or DIP switch, with a choice of 27 standard sequences available. Four output relays can be configured as group alarm, horn output and watchdog with a change over contact at the terminals. The group alarm can be set to one of four functions, follows input, follows alarm, multiple re-flash, and ring back horn.
Omni C1480B-EXN has been certified by SABS as equipment category Ex nL in accordance with international standards IEC60079-0 and IEC60079-15. C1480B-EXN is suitable for use in hazardous areas classified as Zone 2, gas and dust, propane to hydrogen.
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