BECKHOFF CB1061 User Manual
Page 49
Internal Connectors
Chapter: Connectors
Beckhoff New Automation Technology CB1061
page 49
3.4.11 Fan Connectors
Four 3 pin connectors are available for attaching external 12V fans. All connectors except FAN4 can
monitor fan speed. For this to work 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
N
OTE
The FAN4 connector doesn't have pin 3 connected (N/C).
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