Internal Connectors
3.4.9 Fan Connectors
Four 3 pin connectors are available for controlling and monitoring external fans (12 volt). For the monitoring
the fans must provide a corresponding speed signal.
Pinout fan connector:
Name
Pin
1
GND
2
12V
3
TACHO
Beckhoff New Automation Technology CB1050
ground
12 volt supply regulated
fan monitoring signal
Description
Chapter: Connectors
page 45