FC 300 Design Guide
PWE high basic behaviour:
Active parameter is only active when communicating through Profibus.
Array means that the parameter is an array.
If bit 13 is true, the parameter can only be reset, not written to.
If bit 12 is true, the parameter value is different from the factory setting.
Bit 11 indicates that text is available.
Bit 10 indicates that additional text is available. Eg. par. 0-01, Language, contains text
for index field 0, English, and for index field 1, German.
If bit 9 is true, the parameter value is read-only and cannot be changed.
If bit 8 is true, upper and lower limits of the parameter value are not relevant.
PWE
datatype
LOW
Example
In this example, the master reads the Basic characteristics of par. 0-01, Language. The
following telegram must be sent to the frequency converter:
STX
LGE
ADR
02
0E
01
default setting
( )
*
256
How to Programme
PKE
IND
40 01
00 01
display text
[ ]
value for use in communication via serial communication port
MG.33.B4.02 - VLT is a registered Danfoss trademark
Bit
Description
15
Active parameter
14
Array
13
Parameter value can only be reset
12
Parameter value different from factory
setting
11
Text available
10
Additional text available
9
Read only
8
Upper and lower limit not relevant
0-7
Data type
Dec.
3
4
5
6
7
9
10
13
33
35
PWE
PWE
HIGH
LOW
00 00
00 00
Data type
Signed 16
Signed 32
Unsigned 8
Unsigned 16
Unsigned 32
Visible string
Byte string
Time difference
Reserved
Bit sequence
PCD1
PCD2
XX XX
XX XX
BCC
XX
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