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4-66 5708009-C
Advanced Energy
®
PROFIBUS COMMAND SET
Table 4-11 lists the command set for the Profibus Host port.
Table 4-11. Profibus Host Port Commands
Command Description Number of
Transmit
Data Bytes
Number of
Response
Data Bytes
1
RF off
Requests RF output off; request is always
honored regardless of which interface has
control. (Readback command is 162.)
0
2
RF on
Requests RF output on; host control must
have been selected.
0
3
regulation
select
Sets the method of output regulation (forward
power—6, load—7, and ext—8). (Readback
command is 164.)
1 data byte
8-bit value
4
fwd pwr
limit
Specifies maximum forward power that can be
delivered; accepts a value of 0 to 8000 W (for
the 8 kW option) or 0 to 10000 W (for the 10
kW option). (Readback command is 169.)
2 data bytes
16-bit value
5
refl pwr
limit
Specifies maximum reflected power that can
be tolerated; accepts a value of 0 to 20% of
full rated power. (Readback command is 170.)
2 data bytes
16-bit value
6
ext feedback
limit
Specifies the maximum external feedback
level; accepts a value from 0 to the maximum
external feedback value. (Readback command
is 171.)
This command sets the value at which the
setpoint is limited during external regulation
2 data bytes
16-bit value
8
setpoint
Specifies the output setpoint level for
whatever method of output regulation has
been selected. Accepts a value of 0 to 8000 W
(for the 8 kW option) or 0 to 10000 W (for the
10 kW option) when forward or load power
regulation is selected.
2 data bytes
16-bit value