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Configuring the fieldbus
6.1 Communication via PROFIBUS
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
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Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
Table 6- 16 Converter response to a read request
Data block
Byte n
Bytes n + 1
n
Reference (identical to a read request)
01 hex: Converter has executed the read
request.
81 hex: Converter was not able to completely
execute the read request.
0
Header
01 hex
Number of parameters (m)
(identical to the read request)
2
Format
02 hex: Integer8
03 hex: Integer16
04 hex: Integer32
05 hex: Unsigned8
06 hex: Unsigned16
07 hex: Unsigned32
08 hex: FloatingPoint
10 hex OctetString
13 hex TimeDifference
41 hex: Byte
42 hex: Word
43 hex: Double word
44 hex: Error
Number of index values or - for a negative
response - number of error values
4
Value of the 1st index or - for a negative response - error value 1
You can find the error values in a table at the end of this section.
6
Values, parameter 1
…
…
Values, parameter 2
…
…
…
Values, parameter m
…
Summary of Contents for SINAMICS G120 CU230P-2
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