IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 54 / 248

DP module 7: Command channel
Module 7, command 1:
read master flags
8-2
8.2 Module 7, command 1:
read master flags
Structure
Request of DP master
Bit
Byte
7 6 5 4 3 2 1 0
1
0 0 01
hex
2
MM 0
MM = master no. (1…2)
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
→
table at the bottom
4
→ table at the bottom
master flags
Byte Bit If bit D6 = TRUE, then:
0 periphery of all connected slaves is ok (no periphery fault)
1 automatic addressing is enabled
2 exchange of data with the slaves is active
3
3...7 reserved
0 AS-i configuration ok
1 a slave 0 is detected
2 automatic addressing is enabled
3 automatic addressing is active
4 configuration mode active
5 normal mode is active
6 AS-i voltage error has occurred
4
7 offline phase completed