IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 75 / 248

DP module 7: Command channel
Module 7, command 63dec (3Fhex):
no operation command without function
8-23
8.22 Module 7, command 63
dec
(3F
hex
):
no operation command without function
Structure
Request of DP master
Bit
Byte
7 6 5 4 3 2 1 0
1
0 0 3F
hex
2
0
not used *)
3
0
not used *)
4
0
not used *)
Response from controllere
Bit
Byte
7 6 5 4 3 2 1 0
1
D7 D6 3F
hex
D6 = command code
D7 = error code
→ page 7-20 , table at the bottom
2
copy of the request
3
copy of the request
4
copy of the request
Example: no operation command
Request of DP master
Byte no. Value [hex] Description
1 3F 3F = command 63
2 00 not used *)
3 00 not used *)
4 00 not used *)
Response from controllere
Byte no. Value [hex] Description
1 3F copy of the request
2 00 copy of the request
3 00 copy of the request
4 00 copy of the request
*)
IMPORTANT:
For the query read only the required bytes. Unused bytes can contain information of
previous queries.