Siemens SIMATIC Distributed I/O System DP/ASi Link, Руководство пользователя

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C-10
Distributed I/O System DP/ASi Link
EWA 4NEB 710 6055-02b
C.4 Structure of the Parameterization Message in Simple Configuration
The parameterization message has a fixed length of exactly 32 bytes.
Bytes 0 to 6 contain the parameters of the DP standard part.
Table C-8 Assigning the DP standard part
Byte 0 1 2 3 4 5 6
Value Refer to Table C-1
Bytes 7 to 14 are referred to as the initialization bytes.
The structure of the first initialization byte, byte 7, is described in Table C-3.
Bytes 8 to 14 contain fixed default values for initialization of the DP/ASi
link, which must not be modified.
Table C-9 Default values of bytes 8 to 14 for initialization
Byte 8 9 10 11 12 13 14
Value 00
H
00
H
16
H
51
H
04
H
8A
H
11
H
Byte 15 defines the response when the actual configuration read by the DP/
ASi link does not agree with the setpoint configuration.
Table C-10 Definition of response when setpoint and actual configurations differ
Byte 15
Value Refer to Table C-5
Parameterization
message structure
DP standard part
Initialization bytes
Control byte
Parameterization Message