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System Operation
Copyright © 2008-2011 Eaton Corporation. All Rights Reserved.
IPN 997-00012-63C August 2011
31
Auxiliary Temperature Disconnect
This feature requires a second temperature sensor connected to the I/O board.
An LVD can be set to disconnect if the temperature measured by the Auxiliary Temperature
sensor is outside a configured range (as well the standard voltage controlled LVD operation).
If a sensor used for Auxiliary Temperature Disconnect becomes faulty or disconnected this
may cause an unnecessary LVD disconnect.
See also Rectifier Auxiliary Temperature Shutdown on page
► To set Auxiliary Temperature Disconnect
In DCTools go to
Control Processes
>
LVD
.
Set the Auxiliary Temperature High/Low Thresholds and Hysteresis values as required.
See System Alarms on page
Set
Enable LVD1 Aux Temp Disconnect
and/or
Enable LVD2 Aux Temp Disconnect
to
Enabled
as required.
If using PowerManagerII Groups, then in DCTools go to
Analog Inputs
. Set
Auxiliary
Temperature Group
as required.
See PowerManagerII online help for details.
LVD1 and/or LVD2 will now disconnect if the
Auxiliary Temperature
is out of range.
Alarms
An SC100 supplied with a standard configuration file (see details on page
) has a standard set
of alarms configured and enabled. This will be sufficient for standard dc power system
operation.
For specific alarm arrangements all SC100 alarms can be individually enabled or disabled and
are configurable.
Types of Alarms
The SC100 provides two types of alarms:
Alarm type
Description
Configuration
System alarms
Generated by the operating values of dc power
system (voltages, currents, temperatures, etc)
and the operation of power system modules
(rectifiers, circuit breakers, fuses, and so on).
The SC100 system alarms are listed in Alarm
Descriptions on page
See details on page
Digital Input (DI)
alarms
Activated when a DI is in its active state.
See details on page
Содержание SC100
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