ADLINK PXES-2590 User Manual
Page 45
Monitoring/Control Functions
35
PXES-2590
Data format is as follows:
*Read 5V Voltage (command 0x04)
Reads 5V Voltage
Use the SMB 1 Send Byte and 2 Receive Byte to Read this
word data:
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
Default
0
Voltage Alarm. MCU writes 1 to indicate voltage thresholds
crossed.
0
1
Temperature Alarm. MCU writes 1 to indicate over
temperature occurred.
0
2
Fan Speed Alarm. MCU writes 1 to indicate fan speed
alarm is triggered.
0
3
3.3V Alarm. MCU writes 1 to indicate 3.3V out of specified
range.
0
4
5V Alarm. MCU writes 1 to indicate 5V out of specified
range.
0
5
-12V Alarm. MCU writes 1 to indicate -12V out of specified
range.
0
6
+12V Alarm. MCU writes 1 to indicate +12V out of
specified range.
0
7
5Vsb Alarm. MCU writes 1 to indicate 5V standby out of
specified range.
0
15..8 Reserved.
0
SMB
Dir
Offset
Value
Description
Send Byte
>
0
SA
Slave address
>
1
0x04
command code
Receive Byte
>
2
SA
Slave address
<
3
0-255
Low byte data
SMB
Dir
Offset
Value
Description