18 fan – BECKHOFF CB4053 User Manual
Page 39
Fan
Chapter: Connectors
Beckhoff New Automation Technology CB4053
page 39
4.18 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