0x56 enable/disable remote sensing, 0x57 read the state of remote sensing, 0x58 select trigger source – B&K Precision 8500-8526 - Manual User Manual
Page 67: 0x59 read trigger source, 0x5a trigger the electronic load, 0x5b save dc load's settings

Byte
offset
Meaning
1 means to enable the Local key on the front panel
4-24
Reserved
0x56 Enable/disable remote sensing
Byte
offset
Meaning
3
0 means to disable remote sensing
1 means to enable remote sensing
4-24
Reserved
0x57 Read the state of remote sensing
Byte
offset
Meaning
3
0 means remote sensing is disabled
1 means remote sensing is enabled
4-24
Reserved
0x58 Select trigger source
Byte
offset
Meaning
3
Trigger:
0 means immediate trigger (i.e., triggered from the front panel)
1 means external trigger from the rear panel connector
2 means a bus (software) trigger (the 0x5A command)
4-24
Reserved
0x59 Read trigger source
Byte
offset
Meaning
3
Trigger:
0 means immediate trigger (i.e., triggered from the front panel)
1 means external trigger from the rear panel connector
2 means a bus (software) trigger (the 0x5A command)
4-24
Reserved
0x5A Trigger the electronic load
Byte
offset
Meaning
3-24
Reserved
0x5B Save DC Load's settings
8500 DC Load Series
Version: 030614
Page 67 of 77