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Fan Connectors
3.21 Fan Connectors
Two 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 CB2051
ground
12 volt supply regulated
fan monitoring signal
Description
Chapter: Connectors
page 43
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