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Command Interface

5-9

SIMATIC NET CP 243-2 AS-i Master

C79000-G8976-C142/02

General Structure of the Command Buffer

Depending on the command, the command buffer can extend over a maximum of

14 banks (bank 2–15 in the analog module) with a maximum of 224 bytes.

In the following description of the command interface, the start address 0 is

assumed for the analog input module of the CP to simplify byte numbering.

Table 5-4

Bank

Byte Meaning / Content

2 0 Command number

1 Parameters for job

2 Parameters for job

3 Parameters for job

4 Parameters for job

5 Parameters for job

6 Parameters for job

7 Parameters for job

8 Parameters for job

9 Parameters for job

10 Parameters for job

11 Parameters for job

12 Parameters for job

13 Parameters for job

14 Parameters for job

15 Parameters for job

15 0 Parameters for job

: :

15 Parameters for job

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 149 150

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