B&K 1787B - Manual (Page 24)

24
1
st
byte Start bit(AAH)
2
nd
byte Address(0~0XFE)
3
rd
byte Command(28H)
4
th
byte Calibration protection state
5 th byte System reserve
26
th
byte Check sum
10. Calibrating the voltage value (29H)
1
st
byte Start bit(AAH)
2
nd
byte Address(0~0XFE)
3
rd
byte Command(29H)
4
th
byte Calibrated voltage points(point 1-3)
5
th
to 25
th
byte System reserve
26
th
byte Check sum
11. Sending the present output voltage to calibration program (2AH)
1
st
byte Start bit (AAH)
2
nd
byte Address(0~0XFE)
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
12. Calibrate the current value (2BH)
1
st
byte Start bit(AAH)
2
nd
byte Address(0-0XFE)
3
rd
byte Command(2BH)
4
th
byte Calibrated current points( point 1-2)
5
th
to 25
th
byte System reserve
26
th
byte Check sum
Note: To calibrate the 3 points of voltage sequentially.