ITech IT6821 Programming Guide

Communication protocol
Copyright © Itech Electronic Co., Ltd. 9
3.18 Restore the Factory Default Calibration Data (32H)
1
st
byte
Start bit (AAH)
2
nd
byte
Address (0 to 0XFE)
3
rd
byte
Command (32H)
4
th
to 25
th
byte
System reserve
26
th
byte
Check sum
3.19 Enable the Local Key (37H)
1
st
byte
Start bit (AAH)
2
nd
byte
Address (0 to 0XFE)
3
rd
byte
Command (37H)
4
th
byte
Enable/disable local key (0 is disable, 1 is enable)
5
th
to 25
th
byte
System reserve
26
th
byte
Check sum code
Note
The local keys on the front panel are not allowed to use when the power supply is in
remote mode.
3.20 The Return Information of Command Operation in
Power Supply (12H)
1
st
byte
Start bit (AAH)
2
nd
byte
Address (0 to 0XFE)
3
rd
byte
Command (12H)
4
th
byte
Command checkout result
5
th
to 25
th
byte
System reserve
26
th
byte
Check sum
Note
When the power supply receives a frame command, it will check the frame command.
 If the check sum is correct, then it will return the corresponding reading parameters.
 If the check sum is incorrect, then it will return to 90H.
 If there is any error on setting parameter or over parameter, then it will return to A0H.
 If the command wasn’t executed, then it will return to B0H.
 If the command is not effective, then it will return to C0H.
 Or otherwise, it will return to 80H.

ITech IT6821 Specifications

General

Brand	ITech
Model	IT6821
Category	Power Supply
Language	English