Siemens SIMATIC ET 200SP Manual page 143

Structure of the job data in the send buffer
Table 9- 41 Structure of the job data in the send buffer
Byte
0
1
2
3
4
...
n + 1
n + 2
Maximum value for n = 220
Structure of the response data in the receive buffer
Table 9- 42 Structure of the response data in the receive buffer
Byte
0
1
2
...
m - 1
m
Maximum value for m = 220
AS-Interface master CM AS-i Master ST (3RK7137-6SA00-0BC1)
Manual, 07/2017, A5E02655262020A/RS-AD/004
9.4 Description of the AS-i commands
Meaning
Command number: 44
H
Slave address
Number of string bytes
String byte 1
String byte 2
—
String byte n-1
String byte n
Meaning
Number of string bytes
String byte 1
String byte 2
...
String byte m - 1
String byte m
Using the command interface
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