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3.2.2 FAN Connector
FAN Connector - CN2
Pin
Signal
1
GND
2
FAN_POWER
3
FAN_TACHO_IN
Please refer to chapter 5.1 for considerations about thermal dissipation.
FAN_POWER: +5V_S derived power rail for FAN, managed by the embedded microcontroller via PWM signal.
FAN_TACHO_IN: tachometric input from the fan to the embedded microcontroller, +3.3V_S electrical level signal with 10kΩ pull-up resistor.
QuadMo747-x2000
QuadMo747-x2000 User Manual - Rev. First Edition: 1.0 - Last Edition: 2.0 - Author: S.B. - Reviewed by G.G. Copyright © 2014 SECO S.r.l.
Depending on the usage model of QuadMo747-x2000, for critical applications/environments on the module itself it is available a
3-pin dedicated connector for an external +5V
FAN Connector is a 3-pin single line SMT connector, type MOLEX 53261-0371 or equivalent, with pinout shown in
the table on the left.
Mating connector: MOLEX 51021-0300 receptacle with MOLEX 50079-8000 female crimp terminals.
Please be aware that the use of an external fan depends strongly on customer's application/installation.
FAN.
DC
23
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