3
3
4
HB1701
Power source
HB1701
Power
-2
-4
-
N2
+
changed in the rated scope, the circuit works at the voltage-stabilizing state. When
the load exceeds the rated value or the output end is short circuit, the circuit loses
voltage-stabilizing function and automatically changed into current-stabilizing state.
If the load is lower than the rated value or is open circuit, the circuit will automatically
change into voltage-stabilizing state.
When the circuit works at the current-stabilizing state, the current-stabilizing part is
the protective circuit. When the circuit works at the voltage-stabilizing state, the
voltage-stabilizing part takes the effect of voltage limiting. It is the ideal design with
mutual protection.
If R1=R2, the voltage of the in-phase input end of N4 is (V01+V02)/2, and the stable
output of adjusting V02 of N4 is (V01+V02)/2. V01=V02, and then the changing of
secondary voltage tracking the main voltage will be realized.
When the power source is set at the tracking working state, the two groups of
voltage comparison amplifiers of the internal circuit can be connected as
Diagram (2-2).
Main
circuit
Secondary
circuit
(Diagram 22 tracking connection)
Using instruction
I. Function instruction for panel control
Power switch: POWER
Voltage-adjusting knob: Classified into left (main) and right (secondary)
knobs that adjust respective voltage-stabilizing output separately.
Current-adjusting knob: Classified into two knobs that adjust respective
current-stabilizing output separately.
Index gauge V/A: Indicate the left and right voltage or current value
separately.
Voltage/current exchange button: The current value will be indicated by
pressing the button. The voltage value will be indicated without pressing
the button.
Tracking/independent button: It is at the independent working state
without pressing the button and at the tracking working state by pressing
it.
II. Output working mode
1. Independent working mode
Tracking/independent button, if setting independent , two groups of independent
power sources will obtain. See Diagram 3-1.
2. Tracking working mode
Tracking/independent button, if setting tracking , short connect output end
+
of the main circuit and
of the secondary circuit, and then a group of power
source with the same output voltage value and opposite pole will obtain. See
Diagram 3-2 for connecting.
HB1701
Power source
Main
circuit
Secondary
circuit
Load
Load
Load
Main
circuit
Secondary
circuit
Diagram 3-1 independent state
Diagram 3-2 tracking state
3. Parallel working mode (using for extending the current)
Tracking/independent button, if setting independent , two circuits of output
voltage should be adjusted to the using value. See Diagram 3-3 for connecting.
4. Series working mode (using for extending the voltage)
Tracking/independent button, if setting independent , two circuits of output preset
current will be more than the using current. See Diagram 3-4 for connecting.
5. Adjust output voltage, open circuit on the output end. Adjust output current, short
circuit on the output end.
6. Users can ground the power source or connect into electric potential of his own
system in accordance with the using environment condition and demand. See
Diagram 3-5.
There are four output ends in series or main and secondary tracking working. In
principle, only one end can be grounded (chassis).
HB1701
Power
Main
circuit
Secondary
circuit
Main
circuit
Secondary
circuit
Load
Load
HB1701
Power
Null line
Earth wire
Phase line
Main
circuit
Secondary
circuit
Diagram 3-3
parallel state
Diagram 3-4
series state
Diagram 3-5
OMEGA
DC
Stabilized
power
source
Summary of Contents for HB1700S
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