Abb specializes in various types of alarm handing products and they are all of saco annunciator units. Saco 16d3 is a digital annunciator unit utilized as an alarm and signaling contacts in power plants, substations and industrial process installations. Salient features are as follows:
1 flexible, field-customizable 16-channel annunciator unit
2 alarm channels activated by normally open or normally closed contact
3 four 4+16 output relays: two for group realarms, one for an audible device, one for the self-supervision system and an additional sixteen relays for use as field contact follower outputs or group re-alarm outputs
4 parameter selection and adjustment from front panel or via serial interface
5 first-out alarm indication with clear four-digit display on the front panel
6 extensive data communication via the serial interface and the spa bus
7 sophisticated hardware and software self-supervision system for maximum operational reliability under the most demanding environmental conditions
8 powerful software support for parameterization of the unit via the serial interface
