4-60 I/O Communication and Control 5702269-C
Advanced Energy
®
Table 4-19. AE Bus Commands
Command Description Number
of
Transmit
Data
Bytes
CSR
Codes or
Number of
Response
Bytes
0
null off
Null command. 0 CSR Codes:
0,9
1
DC off
Sets DC output off; this request is always
honored, regardless of which interface has
control.
0 CSR Codes:
0, 9
2
DC on
Sets DC output on; host control mode must be
selected (see command 14).
Read back the status of the last output on event
with command 161.
0 CSR Codes:
0,1,2,7,9,16
17,31
3
regulation
method
Sets the method of output regulation (power,
current or voltage).
Send 1 data byte (8-bit value):
• 6 = Power
•7 = Voltage
•8 = Current
Note: Output power must be off (that is, output
must be deenergized) to switch between
regulation modes.
Read back this value with command 154.
1 CSR Codes:
0,1,2,5,
9,29
4
joule set
point
Specifies the number of joules to be delivered.
Send a 4-byte (32-bit value); the value must be
between 0 and 9,999,999.
Read back this value with command 173.
4 CSR codes:
0,1,4,9
5
joule mode
enable
Enables or disables joule mode.
Send 1 data byte (8-bit value):
•0 = Disable
• Non-zero value = Enable
Read back this value with command 153.
1 CSR codes:
0,1,2,9
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