Profibus command set, Table 4-11. profibus host port commands, 1 rf off – Apex Digital 5708009-C User Manual

Page 112: 2 rf on, 3 regulation select, 1 data byte 8-bit value, 4 fwd pwr limit, 2 data bytes 16-bit value, 5 refl pwr limit, 6 ext feedback limit

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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

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