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SKU: SM07009 Categories: ,

Description

  • Module name: 4-way voltage comparison module
  • Quad Voltage Comparator Module Voltage Comparators 0-31V Adjustable Voltage Comparison
    Module LM339 LM393 for Modified

Function Description
Function 1: Input a voltage and compare it with the reference voltage set on the module (the reference
voltage can be set by an adjustable resistor), when the input voltage is greater than the reference
voltage, the relay is closed (10-9 closed, 10-11 open) ; When the input voltage is less than the reference
voltage, the relay will not act.
Function 2: Input two voltage signals A and B to be compared. When voltage signal A is greater than
voltage signal B, the relay is closed (10-9 is closed and 10-11 is open); when voltage signal A is less than
voltage signal B, the relay No action.
Function 3: Input a voltage and compare it with the reference voltage set on the module (the reference
voltage can be set by an adjustable resistor), when the input voltage is less than the reference voltage,
the relay is closed (10-9 closed, 11-10 open ); When the input voltage is greater than the reference
voltage, the relay will not act.
Reference voltage: 4 voltage comparator modules, adding a reference voltage regulator circuit, the
reference voltage is not affected by the change of the module’s power supply voltage, the reference
voltage can be adjusted in the range of 0-31V, and the adjustable accuracy is 0.01V.

Specification
Module usage
automotive circuit modification circuit, industrial control equipment, experimental test, circuit
application test, etc.
Working voltage: DC DC5V \ DC12V \ DC24V can be optional
Working current: DC5V: 350ma \ DC12V: 200ma \ DC24V: 150ma
Module size: 90*65*20mm (length x width x height)

Installation Instructions
Pin description
[1] Positive power supply
[2] Negative power supply
[3] DC socket, the size is: 5.5-2.1mm
PS: [1-2] and [3] are connected in parallel, you can choose one of them according to your specific needs.
[4] The positive phase input terminal of channel 2 (text printing CH1+, CH2+, CH3+, CH4+ are all positive
phase input terminals)
[5] The ground terminal of channel 2 (the text printed GND is the ground)
[6] Channel 2 inverting input terminal (text printing CH1-, CH2-, CH3-, CH4- are all inverting input
terminals)
[7] Adjust the reference voltage, the reference voltage value of function 1 and function 3 can be
adjusted by this potentiometer
[8] Function two jumper setting, when you want to use function two, you need to disconnect the jumper
[9] Relay normally open pin
[10] Relay common pin
[11] The relay is normally closed.
[12] Relay status indicator, the relay pull-in light is on, the relay is off, the light is off
[13] Power connection indicator, as long as [1-2] or [3] is correctly connected to the power, the indicator
light will be on.

Additional information

Weight0.034 kg
Quad Voltage Comparator Voltage Comparing Module LM339 LM393 5V/12/24V
රු7,590.00 Add to cart
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