ADLINK PXES-2590 - Manual (Page 48)

38 Monitoring/Control Functions
*Read 5Vsb Voltage ( command 0x0C)
Reads the 5Vsb Voltage
Use the SMB 1 Send Byte and 2 Receive Byte to Read this
word data:
Data format is as follows:
*Read Temperature 1 (command 0x10)
Reads the Temperature 1 Reading.
Use the SMB 1 Send Byte and 2 Receive Byte to Read this
word data.:
SMB Dir Offset Value Description
Send Byte > 0 SA Slave address
> 1 0x0C command code
Receive Byte > 2 SA Slave address
< 3 0-255 Low byte data
Receive Byte > 4 SA Slave address
< 5 0-255 High byte data
Bit Description
15..0 5Vsb Voltage. Measured 5V standby voltage. 16-bit
2’s complement, the LSB is 1mV
SMB Dir Offset Value Description
Send Byte > 0 SA Slave address
> 1 0x10 Command code
Receive Byte > 2 SA Slave address
< 3 0-255 Low byte data
Receive Byte > 4 SA Slave address
< 5 0-255 High byte data