ADLINK PXES-2590 - Manual (Page 53)

Monitoring/Control Functions 43
PXES-2590
*Read Fan Speed 3 (command 0x24)
Reads the Fan Speed 3 Reading.
Use the SMB 1 Send Byte and 2 Receive Byte to Read this
word data:
Data format is as follows:
*Read MCU Code Version (command 0x26)
Reads the MCU Code Version.
Use the SMB 1 Send Byte and 2 Receive Byte to Read this
word data:
Data format is as follows:
SMB Dir Offset Value Description
Send Byte > 0 SA Slave address
> 1 0x24 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 Fan 3 Speed. Unsigned 16-bit data, the LSB is 1 rpm
SMB Dir Offset Value Description
Send Byte > 0 SA Slave address
> 1 0x26 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
7..0 MCU FW version minor number, Unsigned 8-bit data
15..8 MCU FW version major number, Unsigned 8-bit data