IFM Ecomat 300 AC1355, Supplementary Device Manual

Page: 74 / 248

DP module 7: Command channel
Module 7, command 62dec (3Ehex):
operating mode "continuous command“
8-22
8.21 Module 7, command 62
dec
(3E
hex
):
operating mode "continuous command“
If the "continuous" mode is active, the current command is transferred in every cycle.
NOTE
The continuous mode influences the behaviour of the controllere. The mode should only be used for
read commands.
Structure
Request of DP master
Bit
Byte
7 6 5 4 3 2 1 0
1
0 0 3E
hex
2
0
01
hex
changes the mode
3
0
reads the current status
01
hex
commands are carried out cyclically
4
0
commands are only carried out if the command number
changes
Response from controllere
Bit
Byte
7 6 5 4 3 2 1 0
1
D7 D6 3E
hex
2
0
D6 = command code
D7 = error code
→
page 7-20 , table at the bottom
3
copy of the request
4
copy of the request
Example: Activate the operating mode "continuous command"
Request of DP master
Byte no. Value [hex] Description
1 3E 3E = command 62
2 00
3 01 changes the mode
4 01 commands are carried out cyclically
Response from controllere
Byte no. Value [hex] Description
1 3E copy of the request
2 47 copy of the request
3 01 copy of the request
4 01 copy of the request