SC300 Handbook54 Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.IPN 997-00012-03 B2 Issue B2 July 2018► To configure a Smart Alarm Disconnect1 On DCTools/web, go to: Alarms > Smart Alarms. Configure a Smart Alarm as described on page62.2 Note the SA Number (first column of the Smart Alarm States table).3 Go to: Control Processes > LVD.4 For the required LVD control channel:• Set Smart Alarm Index to the SA Number (first column of the Smart Alarm Statestable).• Set Smart Alarm based Disconnect to Enabled.The LVD control channel will disconnect its contactor(s) if the Smart Alarm becomes active. Except, if Chained to Previous is enabled then the preceding LVD control channel must bedisconnected first.AlarmsAn SC300 supplied with a standard configuration file (see details on page 23) has a standard set ofalarms configured and enabled. This will be sufficient for standard dc power system operation.For specific alarm arrangements all SC300 alarms can be individually enabled or disabled and areconfigurable.Types of AlarmsThe SC300 provides five types of alarms:Alarm type Description ConfigurationSystem alarms Generated by the operating values of dc powersystem (voltages, currents, temperatures, andso on) and the operation of power systemmodules (rectifiers, circuit breakers, fuses, andso on). The SC300 system alarms are listed inAlarm Descriptions on page 133.See details on page 57.Analog Input(AI) High alarmsActivated when the input value of an AI isabove the alarm threshold.See details on page 84.Analog Input(AI) Low alarmsActivated when the input value of an AI isbelow the alarm threshold.See details on page 84.Digital Input (DI)alarmsActivated when a DI is in its active state. See details on page 89.Smart Alarms Software simulation of logic gates to allow thelogical combination of other alarms, timeschedules and/or system values.See details on page 60.
