IFM Ecomat 300 AC1355, Дополнительное руководство по устройству

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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)
9-47
9.23 Module 12, acyclic command 38
dec
(26
hex
):
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)
– available from master profile M4 onwards –
Request of DP master
Bit
Word
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
R
S
0/1
M
0/1
user ID command number = 26
hex
= 38
dec
2
R R
A/B
0/1
slave address reserved = 0
3
number of bytes to be read Index
4…18
not used
Legend → page 9-3 and
Index Pointer to the page to be read
Length: 1 byte
Permitted values: 0…255
dec
(0…FF
hex
)
Description: → data sheet of the addressed CTT2 slave
Number of
bytes to be
read Number of bytes to be read
Length: 1 byte
Permitted values: 1…32
dec
(01…20
hex
)
Description:
→
data sheet of the addressed CTT2 slave
Example:
Word no. Value [hex] Description
1 0626
M=0: AS-i master 1
06 = user ID changes e.g. to 6
26 = command number 38
2 0300 03 = slave address 3(A)
3 0409 in index 9, 4 parameter bytes are to be read