Internal Connectors
Chapter:
Connectors
Beckhoff New Automation Technology
CB1050
page 45
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:
Pin
Name
Description
1
GND
ground
2
12V
12 volt supply regulated
3
TACHO
fan monitoring signal