Beckhoff CB1061 Manuale Utente Pagina 47

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Internal Connectors Chapter: Connectors
Beckhoff New Automation Technology CB1061 page 47
3.4.9 SMB/I2C
The CB1061 can communicate with external devices via the SMBus protocol or the I2C protocol. The
signals for these protocols are available through a 2x5 pin connector (JST B10B-PHDSSLFSN, mating
connector: PHDR-10VS). The SMBus signals are processed by the chipset, the I2C signals are
processed by the SIO unit.
Pinout SMBus/I2C connector:
Description
Name
Pin
Description
3.3 volt supply
3.3V
1
6
ground
SMBus clock
SMBCLK
2
7
SMBus data
SMBus alarm
SMBALRT#
3
8
standby supply 5V
I2C bus clock
I2CLK
4
9
I2C bus data
5 volt supply
VCC
5
10
ground
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