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with the "LOAD-" symbol. It is best to use a copper nose for the connection to
ensure stability. During charging, the direction of the current symbol is green
and shows charging, and the remaining capacity value increases. During
discharging, the direction of the current symbol is sky blue and shows
discharging, and the remaining capacity value decreases.
Figure3-2-2 External Power Supply Connection Method
(Wiring method for KH140F as a example)
(3). External power relay wiring method
The relay's working power is provided by an external power supply. If you want
to connect a relay, you need to provide an external power supply that has the
same voltage as the relay's working voltage. Connect the relay's control ports
to the "OUT" and "VEXT" of the Output Control of the measurement module
respectively. Connect the positive pole of the external power supply to "VEXT"
of the output control, and the negative pole to "GND". Be careful not to connect
the positive and negative poles of the battery and the external power supply
incorrectly or in reverse.
if you want to control charging or discharging, please refer to the external
power relay wiring diagram in Figure 3-2-3 for wiring. When the relay is
activated, the indicator light will turn on, and it will turn off when it is released,
as a reminder. Connect the negative pole of the battery to the screw with the
"BATT-" mark on the sampler. Connect the negative pole of the charger and
the negative pole of the load to the screw with the "LOAD-" mark on the
sampler. It is better to use a copper nose for wiring. During charging, the
direction of the current symbol is green and shows charging, and the
remaining capacity value increases. During discharging, the direction of the
current symbol is sky blue and shows discharging, and the remaining capacity
value decreases.
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General