Fan Connectors - Seco Qseven CQ7-A30 User Manual

3.3.25 FAN Connectors

The CQ7-A30 carrier board makes available two dedicated connectors for external tachometric 3- or 4-wire FANs.
FAN Connector #0 - CN37
Pin Signal
1 GND
2 FAN_POWER_0
3 FAN_TACHO_IN_0
4 FAN_CTRL_0
JP15 position FAN_POWER_0 voltage
1-2 +12V_S
2-3 +5V_S
FAN Connector #1 - CN38
Pin Signal
1 GND
2 FAN_POWER_1
3 FAN_TACHO_IN_1
JP16 position FAN_POWER_1 voltage
1-2 +12V_S
2-3 +5V_S
JP17 position FAN_POWER_1 PWM control
Not Inserted Enabled
Inserted Disabled (fixed voltage)
CQ7-A30
CQ7-A30 - Rev. First Edition: 1.0 - Last Edition: 2.0 - Author: S.B. - Reviewed by G.G. Copyright © 2016 SECO S.r.l.
The first connector, CN37, is a 4-pin single line TH connector, type MOLEX 47053-3000 or equivalent, with
the pinout shown in the table on the left.
Mating connector MOLEX 47054-1000 receptacle with MOLEX 2759 KK
FAN_POWER_0: power rail for FAN #0. The voltage of this power rail is set using the jumper JP15, which is a standard pin
header, P2.54mm, 1x3 pin, according to the table below.
FAN_TACHO_IN_0: tachometric input from the connected fan.
FAN_CTRL_0: PWM control for the connected fan, +5V_S electrical level. This signal is derived directly from Qseven
FAN_PWMOUT.
The second FAN Connector, CN38, is a 3-pin single line TH connector, type MOLEX 22-27-2031 or equivalent, with pinout
shown in the table on the left.
Mating connector: MOLEX 22-01-2035 receptacle with MOLEX 2759 or 4809 KK
FAN_TACHO_IN_1: tachometric input from the connected fan.
FAN_POWER_1: power rail for FAN#1. The voltage of this power rail can set using the jumper JP16, which
is a standard pin header, P2.54mm, 1x3 pin, according to the table on the left.
It is also possible to disable the PWM control of FAN_POWER_1, by using jumper JP17
® crimp terminals.
®
crimp terminals.
®
signal
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