
Chapter: Connectors Fan
page 36 Beckhoff New Automation Technology CB4050
4.16 Fan
A 3 pin connector is available for controlling and monitoring an external fan (5 volt). For the monitoring the
fan must provide a corresponding speed signal.
Pin
Name Description
1 GND ground
2 FANON2 5 volt supply (switched)
3 FANCTRL2 fan monitoring signal
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