ADLINK PXES-2590 - Manual (Page 59)

Monitoring/Control Functions 49
PXES-2590
*Write Target Chassis Temperature (command 0xB0)
Writes the Target Chassis Temperature.
Use the SMB write word to write this word data
Data format is as follows:
*Write 5V Alarm Threshold (command 0xB2)
Writes the 5V Alarm Threshold.
Use the SMB write word to write this word data:
SMB Dir Offset Value Description
Write word > 0 SA Slave address
> 1 0xB0 Command code
> 2 0-255 Low byte data
> 3 0-255 High byte data
Bit Description
7..0 Target chassis temperature setting. Unsigned 8-bit data,
the LSB is 1°C. The CPU can set the temperature at which
maximum fan speed is achieved. The system monitoring
MCU adjusts the fan speed according to this setting. The
threshold range is between 25 and 70
15..8 Reserved.
SMB Dir Offset Value Description
Write word > 0 SA Slave address
> 1 0xB2 Command code
> 2 0-255 Low byte data
> 3 0-255 High byte data