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Siemens 3AD8 Instruction Manual page 51

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Fusesaver operator control panel
As the Fusesaver control panel is an
accessory to an RCU, the RCU must
configured to work with the Fusesaver
control panel. There are a number of RCU
configuration settings that will affect the
operation of the control panel. Settings for
these are to be completed by the user in the
RCU configuration specification form
(KMS-3100).
If an RCU is unconfigured, the RCU will not
attempt to connect to any Fusesavers and
thus the FS control panel will not have
anything useful to display or control. Under
this circumstance, the control panel on/off
LED will flash on and off to indicate that the
FS control panel is working but the RCU is
not configured.
Enable operator control panel
This setting must be set to "Enabled" so that
the RCU will auto-detect and drive the FS
control panel. If this setting is set to
disabled, the RCU will not power up the
control panel so no LEDs will be lit.
Operator control panel ignore remote
switch
This setting allows FS control panel controls
to the Fusesavers such as trip/close or
change of protection mode to always be
allowed irrespective of the position of the
remote control on/off switch. Setting
options are:
True: The RCU will allow controls from
the panel to be sent to the FS
irrespective of the position of the
remote control on/off switch.
False: The RCU will disable all controls
from the control panel if the remote
control switch is on.
Note that when this setting is true, both the
local and remote control source LEDs may
be lit because both sources of control can be
enabled.
Always allow trip
This setting allows FS control panel trip
commands to either be passed to the FS or
rejected by the RCU depending upon the
status of the external lever of the FS.
Settings options are:
True: The RCU will issue the trip
command to the FS to trip regardless of
external lever position. The FS will trip
regardless of policy file setting for
MANUAL INHIBIT (see FS operating
instructions in
IC1000-F320-A170-XX-XXX).
False: If the external lever of the
Fusesaver is down, then the RCU will
reject the trip command.
Note: this setting only applies to FS trip
commands. FS close commands will always
be rejected if the external lever is down
regardless of whether the FS policy for the
external lever is to allow manual operations
when the external lever is down.
51

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