
Monitoring Functions Chapter: Connectors
Beckhoff New Automation Technology CB4058 page 35
3.17 Monitoring Functions
Additional monitoring functions, such as the status of the fan or of other devices connected over SM-Bus
(e. g. temperature sensor), are accessible via an 8 pin connector (JST BM08B-SRSS-TB, mating
connector: SHR-08V-S(-B)).
Pin
Name Description
1 3.3V 3.3 volt supply
2 CS-SMB-CLK SMBus clock
3 CS-SMB-DAT SMBus data
4 GND ground
5 VCC 5 volt supply
6 FANCTRL1 fan 1 monitoring signal
7 FANON1 5 volt supply (switched)
8 FANCTRL2 fan 2 monitoring signal
9 FANON2 5 volt supply (switched)
10 FANCTRL3 fan 3 (external) monitoring signal
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