Danfoss VLT AutomationDrive FC 361 Series User Manual

11.5.7 PKE Field
The PKE eld contains 2 sub-elds:
•
Parameter command and response AK.
•
Parameter number PNU.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
130BA268.11
PKE IND
PWE
high
PWE
low
AK PNU
Parameter
commands and replies
Parameter number
Illustration 11.10 PKE Field
Bits number 12–15 transfer parameter commands from
master-to-slave and return processed slave responses to
the master.
Bit number Parameter command
15 14 13 12
0 0 0 0 No command.
0 0 0 1 Read parameter value.
0 0 1 0 Write parameter value in RAM (word).
0 0 1 1 Write parameter value in RAM (double
word).
1 1 0 1 Write parameter value in RAM and
EEPROM (double word).
1 1 1 0 Write parameter value in RAM and
EEPROM (word).
1 1 1 1 Read/write text.
Table 11.4 Parameter Commands Master⇒Slave
Bit number Response
15 14 13 12
0 0 0 0 No response.
0 0 0 1 Parameter value transferred (word).
0 0 1 0 Parameter value transferred (double
word).
0 1 1 1 Command cannot be performed.
1 1 1 1 Text transferred.
Table 11.5 Response Slave⇒Master
If the command cannot be performed, the slave sends this
response:
0111 Command cannot be performed
- and issues the following fault report in the parameter
value (PWE):
PWE low
(hex)
Fault report
0 The parameter number used does not exist.
1 There is no write access to the dened parameter.
2 Data value exceeds the parameter limits.
3 The sub-index used does not exist.
4 The parameter is not the array type.
5 The data type does not match the dened
parameter.
11 Data change in the dened parameter is not
possible in the present mode of the drive. Certain
parameters can only be changed when the motor
is turned o.
82 There is no bus access to the dened parameter.
83 Data change is not possible because factory set-up
is selected.
Table 11.6 Fault Report
11.5.8 Parameter Number (PNU)
Bits number 0–11 transfer parameter numbers. The
function of the relevant parameter is dened in the
parameter description in the programming guide.
11.5.9 Index (IND)
The index is used together with the parameter number to
read/write-access parameters with an index, for example,
parameter 15-30 Alarm Log: Error Code. The index consists
of a low byte and a high byte.
Only the low byte is used as an index.
11.5.10 Parameter Value (PWE)
The parameter value block consists of 2 words (4 bytes),
and the value depends on the dened command (AK). The
master prompts for a parameter value when the PWE block
contains no value. To change a parameter value (write),
write the new value in the PWE block and send from the
master to the slave.
When a slave responds to a parameter request (read
command), the present parameter value in the PWE block
is transferred and returned to the master. If a parameter
contains not a numerical value but several data options,
for example, parameter 0-01 Language [0] English, and [4]
Danish, select the data value by entering the value in the
Appendix Design Guide
MG06K102 Danfoss A/S © 03/2019 All rights reserved. 81
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Danfoss VLT AutomationDrive FC 361 Series Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 361 Series
Category	DC Drives
Language	English