Vacon optea Installation Manual page 126

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Table 89. Messages sent and received during requesting value for PNU964
Message
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
The parameter value reveals that the format of the value is "Word" (0x42), there is one value in the
response (0x01) and the actual value is 0x01BA.
8.4.8.2 Request all elements of PNU964 value
The following information is used for this request.
Field
Request reference
Request ID
Axis Number
No. of Parameters
Attribute
No. of elements
Parameter Number
Subindex
The following table contains messages sent during requesting all values for PNU964.
Table 91. Messages sent and received during requesting all values for PNU964
Message
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
8
Operation
Request header
Parameter address
Response header
Parameter value
Table 90. Request all elements of PNU 964
Contents
0x02
0x01 = Request parameter
0x01
0x01
0x10 = Value
0x06
0x03C4 (964d)
0x0000 (0d)
Operation
Request header
Parameter address
Response header
Parameter value
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Data
0x01 0x01 0x01 0x01
0x10 0x01 0x03 0xC4 0x00 0x00
0x01 0x01 0x01 0x01
0x42 0x01 0x01 0xBA
Data
0x02 0x01 0x01 0x01
0x10 0x06 0x03 0xC4 0x00 0x00
0x02 0x01 0x01 0x01
0x42 0x06 0x01 0xBA 0x00 0x02 0x00
0x64 0x07 0xDE 0x00 0x65 0x00 0x01
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