Vacon optea Installation Manual page 129

PROFINET IO
8.4.8.5 Changing the value of drive parameter ID 103 (unsuccessful)
This example shows behaviour in case where ID modification fails. PLC writes request to change ID
103 value to 0d (Acceleration Time = 0.0s, not allowed)
Table 96. Request to write the value of parameter ID 103
Request reference
Request ID
Axis Number
No. of Parameters
Attribute
No. of elements
Parameter Number
Subindex
Parameter datatype
Number of parameters
Value: HI byte
Value: LOW byte
The following table contains messages sent during unsuccessful writing value to ID 103.
Table 97. Messages sent and received during unsuccessful writing value to ID 103
Message Operation
1 Write request
2 Write request response from AC drive to PLC
- PLC waits until AC drive has finished processing the requested operation
3 PLC sends read request
Read request
4
response
Answer indicates an unsuccessful operation with error "Low or high limit exceeded".
8.4.8.6 Changing multiple parameter values (ID 103 and ID 104)
The following information is used for this request:
Table 98. Request to write the value of parameter ID 103 and ID 104
Request reference
Request ID
Axis Number
No. of Parameters
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
Field
0x05
0x02 = Write parameter
0x01
0x01
0x10 = Value
0x01
0x2711 (10001d)
0x0067 (103d)
0x42 = WORD
0x01
0x00
0x00
Request header
Parameter address
Parameter value
Response header
Parameter value
Field
0x06
0x02 = Write parameter
0x01
0x02 (two parameters, ID 103 and ID104)
Contents
Data
0x05 0x02 0x01 0x01
0x10 0x01 0x27 0x11 0x00 0x67
0x42 0x01 0x00 0x00
0x05 0x82 0x01 0x01
0x44 0x01 0x00 0x02
Contents
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