GUID-F30E8D82-95A5-4460-AAEE-BBCD9FAD3FEB V1 EN
Figure 261:
Setpoints Successfully Written To The Control Dialog Screen
6.2.3
Counters
6.2.3.1
Operation counter
The user must select the method of counting tapchanger operations consistent with the
tapchanger.
The Operation Counter accommodates 999,999 operation counts. The number of counts
are stored in non-volatile memory and are not affected by a loss of supply power to the
control. The total number of operation counts is displayed in the Status Menu. The
Operation Counter can be preset to any value up to 999,999.
Cooper Regulators do not provide a counter contact. Therefore, the "Operation Counter
Input Configuration" must be set to "Seal-In Input". The Seal-In Input selection has a fixed
3 second Seal-In Delay.
X1
Operation count will increment by one with an open-close-open state change on the
tapchanger counter switch. The closed state must be present for at least 20 mS. The open
state may be present indefinitely.
X Mode Delay (X1)
When the control is using X1 Mode counter contact detection method, the X Mode Delay
setting in millisecond is used to define the minimum time duration for the X1 counter
contact signal. Any signal duration of less than the X Mode Delay will be considered as
an invalid counter contact signal. Depending on the condition of the counter contact
switch, the X Mode Delay should be set between 10 - - 20 mS. For greater noise immunity
a debounce window of 160 mS exists after valid count operation.
1VAC388793-MB A
Section 6
Configuration
TCC300
335
User Manual
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