SEW-Eurodrive DFE32B PROFINET IO Manual page 79

Example for writ- The following tables show the sequence of the WRITE and READ services for volatile
ing a parameter writing of the value 12345 to IPOS
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via MOVILINK ample. The MOVILINK
Send "WRITE parameter volatile" request
Service
API
Slot_Number
Subslot_Number
Index
Length
The following table shows the WRITE.request user data for MOVILINK
eter volatile".
Byte
0
1
2
3
4
5
6, 7
8, 9
10
11
12, 13
14, 15
After sending this WRITE.request, the WRITE.response is received. If there was no sta-
tus conflict in processing the parameter channel, a \positive WRITE.response occurs.
Otherwise, the status error is located in Error_code_1.
Manual – DFE32B Fieldbus Interface PROFINET IO
Parameterization via PROFIdrive Data Set 47
Structure of the PROFINET parameter channel
plus®
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service WRITE Parameter volatile is used for this purpose.
WRITE. request Description
0 Fixed setting = 0
0 Random (is not evaluated)
1 Fixed setting = 1
47 Index of the dataset for the parameter request; constant index 47
16 16-byte user data for order buffer
Field Value
0x01
Request ID 0x40
0x00
No. of parameters 0x01
Attributes 0x30
No. of elements 0x00
Parameter Number 0x2AF8
Subindex 0x0000
Format 0x43
No. of values 0x01
Value High word 0x0000
Value Low word 0x0BB8
variable H0 (parameter index 11000) as an ex-
Description
Individual reference number for the parameterization
request is mirrored in the parameterization response
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SEW MOVILINK service
Axis number; 0 = single axis
1 parameter
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MOVILINK service WRITE parameter volatile
0 = access to direct value, no subelement
Parameter index 11000 = "IPOS variable H0"
Subindex 0
Double word
Change 1 parameter value
Higher-order part of the parameter value
Lower-order part of the parameter value
I
7
0 0
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"Write Param-
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