Siemens Sinamics V90 Operating Instructions Manual page 290
Pulse train, uss/modbus interface
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Also See for Sinamics V90:
- Operating instructions manual (364 pages) ,
- Operating manual (158 pages) ,
- Getting started (116 pages)
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Control functions
7.8 Communicating with the PLC
Byte
Description
User data
0001 h
7,8
40601: ds47=1 (activate request)
2F1A h
9,10
40602: Function 2F h (47), request length 26 bytes (1A h)
8002 h
11,12
40603: Request reference = 80 h, request identifier = 2 h (write)
0202 h
13,14
40604: V90 = 2 h, number of parameters = 2
1001 h
15,16
40605: Attribute, number of elements of the first parameter
0461 h
17,18
40606: First paramter number = p1121
0000 h
19,20
40607: First parameter subindex = 0
1001 h
21,22
40608: Attribute, number of elements of the second parameter
71CA h
23,24
40609: Second paramter number = p29130
0000 h
25,26
40610: Second parameter subindex = 0
0801 h
27,28
40611: Format, number of values of the first parameter
4134 h
29,30
40612: First parameter value 11.28 (41347AE1 h)
7AE1 h
31,32
40613: First parameter value
0301 h
33,34
40614: Format, number of values of the second parameter
0002 h
35,36
40615: Second parameter value 2
Write the PLC command from registers 40601 to 40615:
The table below formats a response for successful write operation.
Byte
Description
Header
01 h
0
Slave address
Number of following data bytes (20 h: 32 bytes ≙ 16 registers)
03 h
1
Function code (read)
20 h
2
User data
0002 h
3,4
40601: DS47 Control = 2 (request was executed)
2F04 h
5,6
40602: Function code 2F h (47), response length 4 bytes
8002 h
7,8
40603: Request reference mirrored = 80 h,
response identifier = 2 (change parameter)
0202 h
9,10
40604: V90 = 2 h, number of parameters = 2
288
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2019, A5E36037884-007
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