Megger SR-98 - Page 52

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Timing Test:
Preset Fault Current:
1. Repeat steps 1 through 6 for the
Sync Relay Pick up Test
.
2. Pressing the
MODE SELECT
button, changes from
MAINT
(Maintain) to
MOM.
(Momentary) switching off the AC MAIN voltage.
3. Adjust
AC AUX
voltage to rated value.
4. Pressing the
MODE SELECT
button twice to change from
MOM.
(Momentary) to
CA.
(Current Actuate) to
MAINT
(Maintain).
5. 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,
6. Select Start Option to
INITIATE
.
7. Select Stop Option to
N. OPEN
(Normally Open).
8. Select Start and Stop Latch
ON
. Press
PREV SCREEN
.
9. Press the
INIT
Button. The AC MAIN turns ON. The timer starts. Relay
contacts close. Output turns OFF. Timer Stops. Record closing time.