IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 119 / 248

DP module 12: Extended command channel
Module 12, acyclic command 36 dec (24hex):
standard read call of an AS-i slave with CTT2 profile
(S-7.5.5, S-7.A.5 or S-B.A.5)
9-43
Response from controllere (gateway) in case of an error
(error detected by AS-i slave)
Bit
Word
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
E=1
S
0/1
M
0/1
reflected user ID reflected command number = 24
hex
2
TG 0 reserved F=1 reserved
3
CTT2 error code error code = E1
3…18
not changed
Legend → page 9-3
Example:
Word no. Value [hex] Description
1 8424
E=1: error during command execution
M=0: AS-i master 1
x4 = reflected user ID changes e.g. to -
24 = reflected command number 36
2
0100
or
8100
F=1: error during command execution
the most significant bit (TG) changes after each execution
3 01E1
CTT2 error code 01 = invalid index,
→
data sheet of the AS-i slave
error code E1 = error detected by AS-i slave; CTT2 error
4…18 0000 ignored
Possible CTT2 error codes
Value [hex] Description
00 no error
01 invalid index
02 invalid length
03 command not implemented
04 occupied, command could not be completed in the specified time
05 command was not acknowledged