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3.5.
Access to the PROFIBUS parameter
In the cyclic PROFIBUS-DP communication, the parameter data is transferred via Telegram
100, 101. If the requirement is not executed, the cause is distinguished by octet 7 and 8.
PKW
(Parameter ID/value)
PZD
Process data (cyclically)
PKE IND
PWE
PZD1
STW
ZSW
PZD2
HSW
HIW
Octet 1 Octet 2 Octet 3 Octet 4 Octet 5 Octet 6 Octet 7 Octet 8
PKE (Parameter ID)
15 14
13 12 11
10 9 8 7 6 5 4 3 2 1 0
AK (Request from Master to PDP003Z
）
Request ID
Function
Note
0 No
task
1
Request parameter value
for PNU access
2
Change parameter value (word)
for PNU access
6
Request parameter value (array)
for PNU access, VF-MB1/S15 parameter
access
7
Change parameter value (array)
for PNU access, VF-MB1/S15 parameter
access
AK (Response from PDP003Z to Master)
Response ID
Function
0 No
response
1
Transfer parameter value (word)
4
Transfer parameter value (array)
7
Task can not be executed, followed by error number
0 = Illegal parameter number
1 = Parameter value cannot be changed
2 = Lower or upper limit violated
3 = Erroneous sub index
11 = No parameter change rights
17 = Task cannot be executed due to operating status
(e.g. parameter is currently read-only)
18 = Other error
102 = Request not supported
SPM: always 0.
AK
(Task ID/Response ID)
PNU
(Parameter number)
SPM
