Connections
CB1067
15
Version: 1.0
5.4
FAN 1 – 4 (P500/1/2/3)
The module has four 4-pin fan connections, with which you can connect fans with a supply voltage of 12 V
directly to the module. The connections FAN1, FAN2 and FAN3 have a speed monitoring function. The
connected fan must supply a corresponding tachometer signal if this is to be used.
Fig. 4: FAN 1-4 connector
Pin assignment of fan P500 - P503
Pin assignment of fan P501
P501
Pin
Name
Description
1
FANON2
Fan 2 switched to ground
2
12 V
12 V
3
FANCTRL2
Fan 2 monitoring
4
PWM2
Fan 2 power management
Pin assignment of fan P500
P500
Pin
Name
Description
1
FANON11
Fan 1 switched to ground
2
12 V
12 V
3
FANCTRL1
Fan 1 monitoring
4
PWM1
Fan 1 power management
Pin assignment of fan P502
P502
Pin
Name
Description
1
FANON3
Fan 3 switched to ground
2
12 V
12 V
3
FANCTRL3
Fan 3 monitoring
4
PWM3
Fan 3 power management
Pin assignment of fan P503
P503
Pin
Name
Description
1
FANON3
Fan 4 switched to ground, connected to fan 3
2
12 V
12 V
3
N/C
4
N/C
Pin assignment with FAN4
FAN4 is connected to FAN3 via pin 1. Pins 3 and 4 not connected (N/C).
