64
Over Voltage Timing Test:
Test Connections:
Use same test connections as for the High Voltage Pick Up Test.
Preset Over Voltage Test Voltage:
1.
Repeat steps 1 through 5 for the
Pick Up High Voltage Contacts Test
. Adjust
both voltages up to the desired test voltage for timing, i.e., 110% of pickup.
2.
Switch off the
AC MAIN
by pressing the
MODE SELECT
button changes from
MAINT
(Maintain) to
MOM.
(Momentary) switching off the
AC MAIN
voltage.
6. Pressing
the
MODE SELECT
button, change from
MOM.
(Momentary) to
CA
(Current Actuate) then to
MAINT
(Maintain).
7. Press
the
TIMER SETUP
Button. The following screen should be displayed.
See
TIMER SETUP
Screen description for desired setting changes. Settings for a
typical normally open contact timing test are as follows,
5.
Select Start Option to
INITIATE
.
6.
Select Stop Option to
N. OPEN
(Normally Open).
7.
Select Start and Stop Latch
ON
. Press
PREV SCREEN
.
8.
Press the
INIT
Button. The
AC MAIN
turns ON. The timer starts. Relay contacts
close. Output turns
AC MAIN
OFF. Timer Stops. Record closing time. To repeat
the test, press the
TIMER RESET
Button, and press the
INIT
Button. When
finished, switch
AC AUX
off by pressing the
AC
button.
Summary of Contents for SR-98
Page 93: ...87...
