Siemens SIMATIC IM 151/CPU

Configuration Frame and Parameter Assignment Frame for the ET 200S
A-6
ET 200S Interface Module IM 151/CPU
A5E00058783-01
A.3 Structure of the Parameter Assignment Frame
All the parameterizable values of a DP slave are stored in the parameter
assignment frame.
Structure of the Parameter Assignment Frame
The length of the parameter assignment frame for the IM 151/CPU is 16 bytes:
 Standard section; bytes 0 to 6
 Parameters of the IM 151/CPU; bytes 7 to 15
Structure of the Standard Section
The first 7 bytes of the parameter assignment frame are standardized to
EN 50170, Volume 2, PROFIBUS and have the following contents:
Byte 3
Watchdog factor 1
Response delay T
RDY
Station status
Watchdog factor 2
Manufacturer ID, high-byte
Byte 0
Byte 1
Byte 2
Byte 4
01
H
0B
H
08
H
06
H
80
H
Byte 5 Manufacturer ID, low-byte
Group IDByte 6
6C
H
and 6D
H
00
H
Figure A-3 Standard Section of the Parameter Assignment Frame