Apex Digital 5708009-C manual Profibus Command SET, Command Description Number

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

4-66 5708009-C