21 fan connectors – BECKHOFF CB2051 User Manual
Page 40
Chapter: Connectors
Fan Connectors
page 40
Beckhoff New Automation Technology CB2051
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:
Pin
Name
Description
1
GND
ground
2
12V
12 volt supply regulated
3
TACHO
fan monitoring signal
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