Abb specializes in various types of alarm handing products and they are all of saco annunciator units. The analog annunciator unit saco 16a3 is used in a variety of applications requiring monitoring of analog quantities such as temperature, current, voltage, power, etc. In power plants, substations and industry. Standard features of saco 16a3 are as follows:
1 powerful, flexible and field-customizable 16-channel analog input signal annunciator unit
2 a full choice of 26 standardized field-selectable channel input signal types
3 four alarm/trip levels per channel; two low set and two high set points
4 the last thirty events with time markings stored for local presentation
5 bar graph, curve or numerical display of set and measured parameter values
6 extensive data communication via the serial interface and the spa bus
7 parameter selection and adjustment from front panel or via serial interface
8 sophisticated hardware and software self-supervision system for maximum operational reliability under the most demanding environmental conditions
9 powerful software support for parameterization of the relay, for reading measured and recorded values, events, etc., and for storing readings
