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6F9EOlll
5.
HANDLING
This chapter describes the procedure for starting and setting the S2E21 and for
checking the condition of the motor.
5.1 Installing Battery
The S2E21 incorporates a battery for backup of the internal calendar.
Before use, be certain to remove an insulation sheet from the battery.
The battery backs
UP
the internal calendar when the control supply for the
S2E21
is interrupted. While the control-power is supplied, the-calendar works normally
without the battery.
If the S2E21 is used with the insulation sheet attached or the battery is
exhausted. the time data is lost when the control supply is interrupted.
in that case, the current time should be set again.
5.2 Turning Power On
The SZE21 becomes operational upon being supplied control power.
When the control power is supplied, a power LED lights up and the SZE21 performs
the self-check on internal circuits.
After the self-check is finished normally, the screen displays PO system data.
In the event an anomaly is detected, a corresponding error indication lights up
issuing an error output contact.
When the control power is turned on, an inrush current of about 50 A flows for
2 ms. When a protective device such as molded case circuit breaker or fuse is
provided to the control power, make sure that the protective device will not
operate on the inrush current.
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