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DP module 12: Extended command channel
Module 12, acyclic command 38dec (26hex):
manufacturer-specific read call of an AS-i slave with CTT2 profile
(S-7.5.5, S-7.A.5 or S-B.A.5)
9-48
Response from controllere (gateway) in the normal case
Bit
Word
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
E=0
S
0/1
M
0/1
reflected user ID
reflected command number = 26
hex
2
TG L32
reserved
F=0
reserved
3
parameter byte 1
parameter byte 0
4…16
parameter bytes 2...27
17
parameter byte 29
parameter byte 28
18
parameter byte 31 or
number of bytes read
parameter byte 30
Legend
→
page
NOTE
The high byte in the 18th word contains the number of parameter bytes read as long as the number is
< 32 (L32 = 0).
If the length is 32 (= maximum possible length), the bit L32 is set and the high byte in the 18th word
contains the 32nd parameter byte.
Example:
Word no.
Value [hex]
Description
1 0626
E=0: no error detected
M=0: AS-i master 1
06 = reflected user ID changes e.g. to 6
26 = reflected command number 38
2
0000
or
8000
L32=0: number of parameter bytes < 32
dec
F=0: no error
the most significant bit (TG) changes after each execution
3
1234
1st and 2nd parameter byte of index 9 in slave 4
4
5678
3rd and 4th parameter byte of index 9 in slave 4
5…17
0000
invalid / not used
18
0400
4-byte parameter string was read
Summary of Contents for Ecomat 300 AC1355
Page 8: ...8 15 Terms abbreviations 15 1 16 Index 16 1 ...
Page 12: ...On this manual Overview where is what 1 4 ...
Page 14: ...Safety instructions Functions and features 2 2 ...
Page 16: ...System requirements Required accessories 3 2 ...
Page 18: ...Getting started Set up Profibus DPV1 4 2 ...
Page 24: ...Menu Main menu Fieldbus Setup 6 4 ...
Page 52: ...Set up Finish set up 7 28 ...
Page 238: ...Technical data Profibus DP interface 13 2 ...
Page 246: ...Terms abbreviations 15 6 ...