IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 57 / 248

DP module 7: Command channel
Module 7, command 4:
read projected slave configuration
8-5
8.5 Module 7, command 4:
read projected slave configuration
Structure
Request of DP master
Bit
MM = master no. (1…2)
Byte
7 6 5 4 3 2 1 0
1
0 0 04
hex
X = slave type (0…1)
0 = standard / A slave
1 = B slave
2
MM X SSSSS
SSSSS = slave no. (0…31
dec
)
3
0
not used *)
4
0
not used *)
Response from controllere
Bit
Byte
7 6 5 4 3 2 1 0
1
D7 D6 0
2
0
D6 = command code
D7 = error code
→ page 7-20 , table at the bottom
3
extended ID code 2 extended ID code 1
4
ID code IO configuration
Example: Read projected slave configuration of slave 16(A) on AS-i master 1
Request of DP master
Byte no. Value [hex] Description
1 04 04 = command 4
2 50
(slave no.
16
)
+ (master no.
1 * 64
)
+ (32, if B slave)
= 80
dec
=
50
hex
3 00 not used *)
4 00 not used *)
Response from controllere
Byte no. Value [hex] Description
1 00
2 00
3 EF
E = extended ID code 2
F = extended ID code 1
4 37
3 = ID code
7 = IO configuration
(corresponds to slave profile S 7.3.E = analogue input module with 4 inputs)
*)
IMPORTANT:
For the query read only the required bytes. Unused bytes can contain information of
previous queries.