BECKHOFF CB1061 - Manual (Page 47)

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 Name Description
3.3 volt supply 3.3V 1 6 GND ground
SMBus clock SMBCLK 2 7 SMBDAT SMBus data
SMBus alarm SMBALRT# 3 8 SVCC standby supply 5V
I2C bus clock I2CLK 4 9 I2DAT I2C bus data
5 volt supply VCC 5 10 GND ground