PROFINET IO
vacon • 127
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8
The returned value consists of six words (0x42 means Word, 0x06 is the number of values returned),
and the values are 0x01BA, 0x0002, 0x0064, 0x07DE, 0x0065, and 0x0001. Thus the following
information can be determined about the device:
•
Manufacturer code is 0x01BA
•
Drive Unit type is 0x0002
•
Software version is 1.0 (0x0064 = 0100d)
•
Firmware date (year) is 2014 (0x07DE)
•
Firmware date (day/month) is 1/1 (0x0065 = 101d)
•
The device contains one axis
8.4.8.3
Requesting the value of drive parameter ID 103
The following information is used for this request:
Table 92. Request value of parameter ID 103
Following table contains messages sent during requesting value for ID 103.
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 0x000A. Because this value was read from the AC drive
application, the Drive Application Manual contains details on how to interpret the value. In this
example, the Acceleration time would be one second.
Field
Contents
Request reference
0x03
Request ID
0x01 = Request parameter
Axis Number
0x01
No. of Parameters
0x01
Attribute
0x10 = Value
No. of elements
0x01
Parameter Number
0x2711 (10001d)
Subindex
0x0067 (103d)
Table 93. Messages sent and received during requesting value for ID 103
Message
Operation
Data
1
Write request
Request header
0x03 0x01 0x01 0x01
Parameter address
0x10 0x01 0x27 0x11 0x00 0x67
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
4
Read request
response
Response header
0x03 0x01 0x01 0x01
Parameter value
0x42 0x01 0x00 0x0A
Summary of Contents for optea
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