A&D Profibus Interface AD-4402 OP-22 Instruction Manual - page 20
Page 18
AD-4402 OP-22
6.
6.
6.
6.Timing Chart
Timing Chart
Timing Chart
Timing Chart
6.1.
6.1.
6.1.
6.1.Read Command
Read Command
Read Command
Read Command
Specify the data to be read at "Command No."The reply data is input to "Input data
(Command reply data)".
Flag R/
-
W ..............................................................
Command No. ...................................................................
Command request flag..................................................
Reply flag R/
-
W ....................................................
Command No. response ....................................
Input data (Command reply data) ............................
Command replay flag .....................................................
6.2.
6.2.
6.2.
6.2.Write Command
Write Command
Write Command
Write Command
Specify the data to write at "Command No." Send the output data of "OUT DATA".
Flag R/
-
W
.............................................................................................
Command No. ...................................................................
Output data..........................................................................
Command No. ...................................................................
Reply flag R/
-
W.....................................................
Command reply No. ............................................
Command replay flag .........................................
Turn on bit R/
-
W
Turn off bit R/
-
W