IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 69 / 248

DP module 7: Command channel
Module 7, command 16dec (10hex):
change current slave parameters
8-17
8.16 Module 7, command 16
dec
(10
hex
):
change current slave parameters
Structure
Request of DP master
Bit
MM = master no. (1…2)
Byte
7 6 5 4 3 2 1 0
1
0 0 10
hex
X = slave type (0…1)
0 = standard / A slave
1 = B slave
2
MM X SSSSS
SSSSS = slave no. (0…31
dec
)
3
preset value parameter
4
0
not used *)
Response from controllere
Bit
Byte
7 6 5 4 3 2 1 0
1
D7 D6 10
hex
2
copy of the request
D6 = command code
D7 = error code
→ page 7-20 , table at the bottom
3
feedback value parameter
feedback value can be different from preset value
4
0
not used *)
Example: Change slave parameter of slave 7 on AS-i master 1 to the value "F"
Request of DP master
Byte no. Value [hex] Description
1 10 10 = command 16
2 47
(slave no.
7
)
+ (master no.
1 * 64
)
+ (32, if B slave)
= 71
dec
=
47
hex
3 0F preset value parameter
4 00 not used *)
Response from controllere
Byte no. Value [hex] Description
1 10 copy of the request
2 47 copy of the request
3 0F feedback value can be different from preset value
4 00 not used *)
*)
IMPORTANT:
For the query read only the required bytes. Unused bytes can contain information of
previous queries.