System Operation
Copyright © 2007-2011 Eaton Corporation. All Rights Reserved.
IPN 997-00012-50H November 2011
39
Information
The following information is available about LVD control channels and contactors.
Parameter
Description
Where to find:
LVD Control
Channel State
Connected:
all of the channel's disconnect
conditions are false. All mapped contactors are
connected (contacts closed).
Disconnected:
one of the channel's disconnect
conditions is true. All mapped contactors are
disconnected (contacts open).
Manual:
The LVD is under manual control from
the SC200 keypad (see previous section).
No Contactors:
there are no contactors mapped
to this channel.
Idle:
The LVD has not yet connected or
disconnected.
SC200: Battery > LVDs
DCTools/Web: Control
Processes > LVD
LVD Control
Channel Inhibited
Indicates if the LVD cannot change state due to
the
Inhibit Period
.
Contactor State
Disabled:
contactor cannot be operated
Connected
: contactor is connected (contacts
closed)
Disconnected:
contactor is disconnected
(contacts open)
Failed:
contactor is not connected to the I/O
board or is faulty.
Conflict:
two contactors are mapped to the same
I/O board connector.
Not Characterized:
the contactor must be
characterized (see details on page
LVD Setup
Use the following procedures to enable or add an LVD control channel.
For SC200s upgraded from software v2.57 or earlier only:
The software upgrade preserves the original LVD1 and LVD2 alarms (for backwards
compatibility). However, these alarms will not operate with LVD 3 or higher. Before adding LVD
3, 4 and so on., enable and configure the generic LVD alarms (LVD Manual, LVD Fail, LVD
Disconnected, LVD Characterization) and disable the specific LVD1 and LVD2 alarms.
