4 Digit Up Down Counter
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4 Digit Digital UP DOWN Counter with Driver
Fully Assembled and Tested Module
Fully Assembled and Tested Module
How to use switch:
Switch S1 is used for changing the first digit of each 1 step. Push and
hold this switch for 2 seconds, the display will be reset to "0000".
Switch S2 is used for changing the tenth digit of each 1 step. Push and
hold this switch for 2 seconds, the circuit will save the number shown on the display. For first use the number will show when power supply is connected.
Switch S3 is used for changing the hundredth digit of each 1 step. Push
and hold this switch 2 seconds, the display will show the time of send
voltage at output point. But, push and hold this switch for 5 seconds, the
circuit will save the time to be showing at display now (at display
showing "1" = 0.5 second).
Switch S4 is used for changing the thousandth digit of each 1 step. Push
and hold this switch for 1 second, the display will show the reset number
for restart counting. But, push and hold this switch for 3 seconds, the
circuit will save the reset number to be shown on the display.
Switch S5 is used for changing down the digit of each 1 step.
Switch S6 is used for changing up the digit of each 1 step.
**NOTE*
How to set the output point (in PRESET mode):
1.Setting the time by switch S1 to S4 (1 step = 0.5 second).
2.Push and hold switch S3 approx. 5 seconds to save the time on the
display to "SAVE".
3.If you want to see this time, you can push and hold switch S3 approx. 2
seconds.
How to set the Pre-Set when connecting the power supply for the first time:
1.Set the number by using switch S1 to S4.
2.Push and hold switch S2 until the display shows "SAVE" to
save the number.
How to set the reset maximum numbers in PRESET mode:
1.Setting the number by switch S1 to S4.
2.Push and hold switch S4 approx. 5 second to save the number on the display to show "SAVE".
3.If you want to see this number, you can push and hold switch S4 approx. 1 seconds.
Connection:
- CK/IN point is used for connecting the counting signal from sensor or
other equipment.
- OUT 12V and CARRY point are connected to second board for adding
digits.
- OUT point will send the voltage 5VDC when the circuit is counting to
preset of counting with this voltage can be applied to trigger the other
equipment.
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