
occurrence. If a Motor Seal-in Failure is detected in the opposite direction, then operation
will be blocked in that direction also.
This Block can be reset by the user from the HMI, from the TCC600 "Alarms" dialog
screen or via SCADA. The block is also reset when a successful tapchange operation
occurs (motor seal-in current is detected) in the opposite direction.
The internal accumulator that counts the occurrences of failed tapchanges is stored in
volatile memory and is set to zero when a loss of power occurs and the unit is not equipped
with a backup power supply. This is considered normal operation of the feature.
6.2.5.1
Setting Input Selection 1 Operation Counter Input Configuration to Motor
Seal-In from the HMI
If Tap Information is selected to either "Contact KeepTrack™ 1R1L" or
"Contact KeepTrack 1N" the control will not accept an Input Selection 1
setting of "Seal-In Input". The unit will display the following error
message if applicable:
Tap Info conflict
Any Key to Continue
Motor Seal-in Delay is fixed at 3 seconds.
1.
Press the Down Arrow (CNFG Hot Button) pushbutton to wake the unit. The menu
will advance to "CONFIGURATION".
2.
Press the Down Arrow pushbutton once. The unit will display the following:
Tapchanger Type
3.
Press the Right/Left arrow pushbutton as necessary to navigate the "Input Selection"
screen.
4.
Press the Down arrow pushbutton, as necessary, until the "Input Selection 1" screen
is displayed.
5.
Press the ENT pushbutton. If prompted, enter a valid Level 2 Access Code. The
following will be displayed:
Input Selection 1
SWITCH STATUS C
6.
Utilizing the Up/Down arrow pushbuttons, select "SEAL-IN INPUT", then press the
ENT pushbutton.
Section 6
1VAC388793-MB A
Configuration
350
TCC300
User Manual
Содержание TCC300
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