Siemens SIMATIC ET 200pro Series Operating Instructions Manual page 99

Reading parameter values
Table 7- 4 Request to read parameters
Data block
Header
Address, parameter 1
Address, parameter 2
...
Address, parameter m
Table 7- 5 Inverter response to a read request
Data block
Header
Values, parameter 1
SIMATIC ET 200pro FC-2 converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257324B AE
STEP 7 program example for acyclic communication (Page 248)
Byte n
Reference 00 hex ... FF hex
01 hex (ID of drive objects, at G120 al-
ways = 1)
Attribute
10 hex:
Parameter value
20 hex:
Parameter description
0001 hex ... FFFF hex
Parameter number
Number of the 1st Index
(for parameters without index: 0000 hex)
...
...
...
...
Byte n
Reference (identical to a read request)
01 hex (ID of drive objects, at G120 al-
ways = 1)
Format
02 hex
: Integer8
03 hex
: Integer16
04 hex
: Integer32
05 hex
: Unsigned8
06 hex
: Unsigned16
07 hex
: Unsigned32
08 hex
: FloatingPoint
0A hex
: OctetString
0D hex
: TimeDifference
34 hex : TimeOfDay without date indication
35 hex
: TimeDifference with date indication
36 hex
: TimeDifference without date indication
41 hex
: Byte
42 hex
: Word
43 hex
: Double word
44 hex
: Error
Value of the 1st Index or - for a negative response- Error value 1
You can find the error values in the table at the end of this section.
...
7.4 Drive control via PROFIBUS and PROFINET
Bytes n + 1
01 hex: Read job
Number of parameters (m)
Number of the indices
00 hex ... EA hex
(For parameters without index: 00 hex)
0000 hex ... FFFF hex
Bytes n + 1
01 hex: Inverter has executed the read re-
quest.
81 hex: Inverter was not able to completely
execute the read request.
Number of parameters (m)
(identical to the read request)
Number of index values or - for a negative
response - number of error values
Advanced commissioning
n
0
2
4
6
8
...
...
...
...
n
0
2
4
6
...
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