ITech IT6821 - 3.10 Calibrating the Voltage Value (29 H); 3.11 Sending the Present Output Voltage to Calibration Program (2 AH); 3.12 Calibrate the Current Value (2 BH); 3.13 Sending the Actual Output Current to Calibration Program (2 CH)

Communication protocol
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0 bit: Protection state, 0 is to disable protection, 1 is to enable the protection.
3.10 Calibrating the Voltage Value (29H)
1
st
byte
Start bit (AAH)
2
nd
byte
Address (0 to 0XFE)
3
rd
byte
Command (29H)
4
th
byte
Calibrated voltage points (point 1 to 3)
5
th
to 25
th
byte
System reserve
26
th
byte
Check sum
Note
To calibrate the 3 points of voltage sequentially.
3.11 Sending the Present Output Voltage to Calibration
Program (2AH)
1
st
byte
Start bit (AAH)
2
nd
byte
Address (0 to 0XFE)
3
rd
byte
Command (2AH)
4
th
byte
The byte 0 of present voltage value
5
th
byte
The byte 1 of present voltage value
6
th
byte
The byte 2 of present voltage value
7
th
byte
The byte 3 of present voltage value
8
th
to 25
th
byte
System reserve
26
th
byte
Check sum
3.12 Calibrate the Current Value (2BH)
1
st
byte
Start bit (AAH)
2
nd
byte
Address (0 to 0XFE)
3
rd
byte
Command (2BH)
4
th
byte
Calibrated current points (point 1 to 2)
5
th
to 25
th
byte
System reserve
26
th
byte
Check sum
Note
To calibrate the 2 points of the current value sequentially.
3.13 Sending the Actual Output Current to Calibration
Program (2CH)
1
st
byte
Start bit (AAH)
2
nd
byte
Address (0 to 0XFE)
3
rd
byte
Command (2CH)
4
th
byte
The lower byte of the present current value
5
th
byte
The higher byte of the present current value
6
th
to 25
th
byte
System reserve
26
th
byte
Check sum