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
Set other parameters as required (see details on page
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
