Local Operation
3-16 TM-F1OP-C1XN-01
Over Temperature Protection (OTP)
The OTP function allows you to select how the power supply recovers
from an over temperature shutdown using the rear panel switch SW1-8.
See Table 3-3
for the switch settings and selections. See “Rear Panel
Connectors and Switch” on page 1–5 for more information about the
switch. The OTP shutdown circuit activates before the internal
components can exceed their safe internal operating temperatures. When
an OTP shutdown occurs, the front panel OTP LED turns on.
Table 3-3
Switch Settings for Over Temperature Recovery Options
Switch SW1-8
OTP Shutdown
Selection Description
OFF (OPEN) Auto Reset
(Default)
The supply recovers to normal operation
when the over temperature condition no
longer exists.
ON (CLOSED) Latch OFF After an over temperature shutdown, the
supply stays off until you turn the AC
power switch OFF, then you turn the
power supply ON to continue use.
TM-F1OP-C1XN-01.book Page 16 Thursday, October 25, 2007 9:04 PM
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