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Descriptions:
The module name: 4 voltage comparison module
Features:
through the comparison of the two voltage to the control circuit on or off by
Function description:
1.Function: the setting voltage reference input of a voltage and on the module (reference voltage can be
set through the adjustable resistor) comparison, when the input voltage is greater than the reference
voltage, the relay is closed (10-9 closed, 10-11 disconnected), when the input voltage is less than the
reference voltage, the relay does not operate.
2.Function two: two to compare respectively input voltage signals A and B, when the voltage signal is S
less than the voltage signal B, the relay is closed (10-9 closed, 10-11 disconnected), when the voltage
signal A is less than B voltage signal, the relay does not work.
Three features: the setting voltage reference input of a voltage and on the module (reference voltage can
be set through the adjustable resistor) comparison, when the input voltage is less than the reference
voltage, the relay is closed (10-9 ratio, 11-10 disconnected), when the input voltage is greater than the
reference voltage, the relay does not operate.
The reference voltage: This version upgrades for the enhanced version 4 voltage comparator module,
add the reference voltage stabilizing circuit, a reference voltage is not receiving module power supply
voltage change, adjustable reference voltage range can reach 0-31V.
Module purpose: the automobile circuit hardware, industrial equipment, laboratory testing, application
Testing circuit
Working voltage: DC DC5V, 12V, 24V
Working current: DC5V:350ma, DC12V:200ma, DC24V:150ma
Module size: 9.*65*20mm
Package:
1 x module
Mark Gurvich
Reviewed in the United States on May 29, 2023
Woks perfectly, no manual but it’s all obvious.
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