W I 1 8 0 C - P B | P R O F I B U S C O U P L E R
8018416.YM10/COMAT/ 2015-03-13 | S I C K A G
Subject to change without notice
1 9
7
OPERATION
6
0x47 ("G")
7
0x00 (0)
Note:
The value "0x00" terminates the byte sequence.
7.5.2
Write access
Command telegram
Access type
Profibus slot
Index
Dataset length
Data
0x5F (write)
1 byte
1 byte
1 byte
max. 32 byte
Response telegram
Access type
Profibus slot
Index
Dataset length
0x5F (write)
1 byte
1 byte
1 byte
Example
An 8 byte tag name should be written to the WI180C-PB.
Value
Access type
0x5F
Profibus slot
0x00 (Slot 0)
Index
0x08 (8)
Dataset length
0x08 (8)
Byte address: 0
0x54 ("T")
Byte address: 1
0x61 ("a")
Byte address: 2
0x67 ("g")
Byte address: 3
0x20 (" ")
Byte address: 4
0x6E ("n")
Byte address: 5
0x61 ("a")
Byte address: 6
0x6D ("m")
Byte address: 7
0x65 ("e")
The response packet – consisting of 4 bytes – returns the number of bytes written
(0x08).
