2.3. On/off control
On/off control can be made via separate control for individual units (refer to Fig 1-3), or via
single control as shown in Fig 2-3.
3. SERIES OPARATION
(*) Diodes are user supplied
LOAD
FPS1000 #1
SIG.
RTN
ON/
OFF
FPS1000 #2
SIG.
RTN
ON/
OFF
+V
+S
-S
-V
+S
-S
+V
-V
+V
+S
-S
-V
(*)
(*)
7
10
7
10
Up to 3 units can be used for increased output voltage
It is recommended that diodes be connected in parallel with each unit output to prevent revese
voltage. Each diode should be rated to at least the power supply rated output voltage and
output current.
Fig 3-1
ON
OFF
FPS1000 #1
SIG.
RETURN
ON/OFF
FPS1000 #2
SIG.
RETURN
ON/OFF
FPS1000 #N
SIG.
RETURN
ON/OFF
7
10
7
10
7
10
Fig 2-3
CAUTION
Series operation is not applicable for units with I
2
C bus option.
