Technical data

11.8.1 Function of the Control Commands - Sync and Unsync
Sync
The output data last received with the "Sync" control command are output
by the DP slave and frozen.
All the output data received after this are ignored until the next Sync control
command or the control command "Unsync" is received.
Unsync
The control command "Unsync" cancels the function of the control
command "Sync".
L2-DP master L2-DP bus DP slave Outputs
Q data info
Control command "Sync"
Control command "Unsync"
Q data info
Q data info
Q data info
Q data info
Control command "Sync"
Q data info
00
01
11
10
11
00
01
01
0
1
01
01
10
10
11
00
Fig. 11.37 Function of the Control Commands - Sync and Unsync
B8976060/02 Distributed I/Os (DP)
11 - 67 Volume 1