Lenze I/O system 1000 - Page 468

Lenze · I/O system 1000 · Reference Manual · DMS 5.0 EN · 09/2016 · TD17 468
9 PROFINET communication
9.2 Access to the I/O system 1000
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Acyclic access to the I/O system
For an acyclic write and read access, PROFINET uses appropriate frames. Here, the PROFINET coupler
or the module is addressed via slot (0 ... 64) and the corresponding data area within the module via
index. Subslot is always 1.
•Read access
•Write access
Request frame (ReadRequest)
0x0009
+0
... API
+24
Slot
+28
Subslot
+30
Index
+34
Length
+36
...
... +64
Response with data (ReadResponse)
0x8008
+0
... API
+24
Slot
+28
Subslot
+30
Index
+34
Length
+36
...
... +63
Request frame (WriteRequest)
0x8008
+0
... API
+24
Slot
+28
Subslot
+30
Index
+34
Length
+36
...
... +63
Data
+64 ...
Response with length (WriteResponse)
0x0008
+0
... API
+24
Slot
+28
Subslot
+30
Index
+34
Length
+36
...
... +64