7 - 9
Chapter 7 Wiring Diagrams and Signal Information
Version 1 2006.11.21
- LVPS overcurrent protection circuit
This circuit stops all outputs, if the power supply voltage 24VDC, 5VDC, or 3.3VDC is shorted.
The circuit is reset, when after the cause of short was removed, the power is turned off, and then
on again after certain time.
- LVPS overvoltage protection circuit
This circuit stops all outputs, if the power supply voltage 24VDC, 5VDC, or 3.3VDC exceeds the
specified voltage respectively.
At this time, the operating point is 36VDC or less for 24VDC, 7VDC or less for 5VDC,
or 7VDC or less for 3.3VDC.
The circuit is reset, when the power is turned off, and then on again after certain time.
- Sleep mode and deep sleep mode
The output of the following power supply are stopped according to the these signals.
Signal line name Description
LV TYPE
DEEP SLEEP
SLEEP
24V OFF
Control signal of the LVPS
FAN STOP
FAN LOW
FAN ALARM
Drive control signal of the SIDE FAN
Output
+24VDC +5VDC +3.3VDC
Signal
Sleep ON ON ON
Deep sleep OFF ON ON
To Next Page
Loading...
