Eaton SC200 - Page 62

SC200 Handbook
54
Copyright © 2007-2011 Eaton Corporation. All Rights Reserved.
IPN 997-00012-50H November 2011
System Value Sources
Parameter
Setting
SA Num
Type the number (from the Smart Alarm States table) of the Smart Alarm for
which this source is an input.
Status
Set to Enabled.
System Value
Set to the required value (Bus Voltage, Rectifier Current, Load Current, Battery
Current, Battery Temperature, Load Power, System Power, Ah Discharge, Number Of
Rectifiers Failed, Number Of Rectifiers Comms Lost).
Threshold Type
Set to either:
High - the System Value Source will be true when the System
Value goes above the Threshold.
Low – the System Value Source will be true when the System Value
goes below the Threshold.
Threshold
The System Value Source will be true when the System Value goes above or
below (depending on the Threshold Type) this value.
Hysteresis
Determines when an active System Value Source will become false:
If Threshold Type is set to Low the System Value Source will become false when
the System Value goes above Threshold + Hysteresis.
If Threshold Type is set to High the System Value Source will become false when
the System Value goes below Threshold - Hysteresis.
Latched Smart Alarm
A Smart Alarm can be latched so that once it become active it must be cleared manually.
► To Create a latched Smart Alarm
1 Configure a Smart Alarm with the following parameter settings:
Operator:
OR
Severity:
Select the level for the required alarm indications (see
details on page 44).
Set other parameters as required (see details on page 50).
2 Configure an Alarm Source with the following parameter settings:
SA Num:
The number of the Smart Alarm configured in step 1.
Status:
Enabled
Logic:
EQUAL
Trigger When Source Is:
Active
Type:
Smart Alarm
Index:
The number of the Smart Alarm configured in step 1.
3 Configure a second source (Alarm Source, Schedule Source or System Value Source) with the
following parameter settings:
SA Num:
The number of the Smart Alarm configured in step 1.
Status:
Enabled