40
2
nd
byte Address (0—0XFE)
3
rd
byte Command
(
20H
)
4
th
.byte Operation mode
(
0 is front panel operation mode
,
1 is remote operation mode
)
From 5
th
to 25
th
byte System reserve
26
th
byte Sum code
NOTE
Front panel operation state is not in effect if electronic load is in calibration mode.
(
((
(
21H)
))
)
1
st
byte Start bit ( AAH )
2
nd
byte Address (0—0XFE)
3
rd
byte Command
(
21H
)
4
th
byte Input state
(
0 is OFF
,
1is ON
)
From 5
th
to 25
th
byte System reserve
From26
th
byte Sum code
3. Setting / Reading max input voltage(
((
(
22H/23H)
))
)
1
st
byte Start bit ( AAH )
2
nd
byte Address (0—0XFE)
3
rd
byte Command
(
22H/23H
)
4
th
byte The Lowest byte of max voltage value
5
th
byte The lower byte of max voltage value.
6
th
byte The higher byte of max voltage value.
7
th
byte The highest byte of max voltage value.
From 8
th
to 25
th
byte System reserve.
26
th
byte Sum code.
NOTE
Represent a voltage upper limit value by 4 bytes of Hex. Lower bytes are in the front location, higher bytes are in the
later location. 1 re present 1mV.For Ex ample : The voltage upper limit is 16 .000V
,
the hex code is 0X00003EB0
,
then
the 4th byte is 0XB0
,
5th byte is 0X3E
,
6th byte is 0X00
,
7TH byte is 0X00.
(
((
(
24H/25H)
))
)
1
st
byte Start bit ( AAH )
2
nd
byte Address(0—0XFE)