Download VLT Active Filter AAF005 Operating Instructions

VLT Active Filter AAF005
7 RS-485 Installation and Setup
Text block:
STX
LGE
ADR
PKE
IND
Ch1
Ch2
Chn
PCD1
PCD2
BCC
130BA270.10
The text block is used to read or write texts via the data block.
7.4.7 The PKE Field
PKE
AK
IND
PWEhigh
PWElow
130BA268.10
The PKE field contains two sub-fields: Parameter command and response AK, and Parameter number PNU:
PNU
7
Parameter
commands
and replies
Parameter
number
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bits no. 12-15 transfer parameter commands from master to slave and return processed slave responses to the master.
Parameter commands master ⇒ slave
Bit no.
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
Response slave ⇒master
Bit no.
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
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