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Chapter: Connectors
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.
Manufacturer
Molex
Pinout fan connector:
Pin
Name
1
GND
2
12V
3
TACHO
Notice
page 48
ground
12 volt supply regulated
fan monitoring signal
The FAN4 connector doesn't have pin 3 connected (N/C).
Description
22-23-2031
Description
Beckhoff New Automation Technology CB1064-xxxx
Internal Connectors
Mating Connector
e.g. 22-01-2037
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