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Product Brief - Model C1480B-EX Omni16C Ex ic Annun (No LEDs,24V Com)
Omni16C Ex ic Annun (No LEDs,24V Com)
Ex ic Annunciator for explosive atmospheres 16 Potential Free Contact Input backlit display (order LED bds separately lamps not allowed). Supplied with PC templates to print alarm windows legends. Suitable for use in Zone 2, Gas Groups IIA, IIB and IIC. OverviewThe Omni16 C1480B-EX Annunciator is an intrinsically safe (Ex ic) backlit annunciator suitable for use in Zone 2 hazardous environments available in Positive Common only. The Omni16 once mounted is fully enclosed in a protective enclosure to allow location in the hazardous area. ConfigurationThe Omni16 accepts 16 potential free inputs and are individually DIP switch configured for N.O. or N.C. operation and a choice of 27 standard sequences. The four output relays can be configured as group alarm, horn output or watchdog. The group alarms can be configured to one of four functions ie. Follows Input, Follows Alarm, Multiple Reflash and Ringback Horn. The entire operation of the unit is configured via DIP switches in “Switch-Set” mode. In “Soft-Set” mode the operation of the unit is configured using Omniflex’ Omniset Software. MechanicalThe enclosure mounts around a panel cut-out which is made to accommodate the Omni16. The Omni16 is secured with jacking bars and stud holes are drilled surrounding the cut-out to accommodate the gasketed front cover. Once the Annunciator is mounted into the panel cut-out the gasketed rear enclosure is then bolted over the Annunciator from behind the panel ensuring a good seal on the front and rear of the panel. ElectricalThe wiring and electrical connections are identical to the standard Omni16 except they enter the enclosure via glands on the housing. Up to 256 points can be combined into an alarm system. Pushbutton and HornsSuitable Rated Pushbuttons for Silence, Acknowledge, Reset, Test (ordered separately) are accommodated by wiring through the glands to the Omni16 Terminals. Horns and beacons are accommodated the same way. Compliance to StandardsThe Omni16 C1480B-EX annunciator complies with the same standards as the standard Omni16 and has been assessed as suitable for use in SIL1 applications as specified in IEC61508. The additional standards that the C1480B-EX complies with are the Explosion Protection standards: IEC60 079-0 and IEC60079-11 (Ex ic). Backlit LED Display BoardsThe C1480B-EX is only available in the 24Vdc backlit LED version. These LED Boards are available in Red, Yellow, White, Blue and Green.
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Approved for use in Hazardous areas IEC60079-11 Ex ic I/IIC T4
