IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 73 / 248

DP module 7: Command channel
Module 7, command 23dec (17hex):
address slave
8-21
8.20 Module 7, command 23
dec
(17
hex
):
address slave
IMPORTANT:
The controllere must be in the configuration mode.
Structure
Request of DP master
Bit
MM = master no. (1…2)
Byte
7 6 5 4 3 2 1 0
1
0 0 17
hex
X = slave type (0…1)
0 = standard / A slave
1 = B slave
2
MM X SSSSS
SSSSS = slave no. (0…31
dec
)
3
new slave address
4
0
not used *)
Response from controllere
Bit
Byte
7 6 5 4 3 2 1 0
1
D7 D6 17
hex
2
copy of the request
D6 = command code
D7 = error code
→
page 7-20 , table at the bottom
3
copy of the request
4
error message
Error codes
→
page 9-5
Example: address slave 2B on AS-i master 1 to 7B
Request of DP master
Byte no. Value [hex] Description
1 17 17 = command 23
2 62
(slave no.
2
)
+ (master no.
1 * 64
)
+ (
32
, if B slave)
= 98
dec
=
62
hex
3 07 new slave address 7B
4 00 not used *)
Response from controllere in case of an error
Byte no. Value [hex] Description
1 17 copy of the request
2 62 copy of the request
3 07 new slave address
4 14
Error codes
→
page 9-5
here: error: master is in the wrong operating mode
*)
IMPORTANT:
For the query read only the required bytes. Unused bytes can contain information of
previous queries.