DSU100
IO-Link data memory
12
8.3 "Read UID” operating mode
In the „Read UID“ operating mode, the
of the device is read and provided by the latter at the
process data input. The UID cannot be changed and deleted. The UID is individually assigned to each
device at the factory.
The "Read UID" operating mode is the default operating mode after the device is started.
Byte
Process data output
Process data input
0
Command value = 0x00
Command value = 0x00
1
Status
Status
2
ignored
UID 0
3
ignored
UID 1
4
ignored
UID 2
5
ignored
UID 3
6
ignored
UID 4
7
ignored
UID 5
8
ignored
UID 6
9
ignored
UID 7
10
ignored
0x00
11
ignored
0x00
12
ignored
0x00
13
ignored
0x00
14
ignored
0x00
15
ignored
0x00
16
ignored
0x00
17
ignored
0x00
18
ignored
0x00
19
ignored
0x00
20
ignored
0x00
21
ignored
0x00
22
ignored
0x00
23
ignored
0x00
24
ignored
0x00
25
ignored
0x00
26
ignored
0x00
27
ignored
0x00
28
ignored
0x00
29
ignored
0x00
30
ignored
0x00
31
ignored
Error value
8.4 "Auto-read data” operating mode
In the "Auto-read data" operating mode the data 0 to 27 represent the data in the memory area of the
device. The memory area is set by the parameters "Auto-Read/Write Address" and "Auto-Read/Write
Data Length".
For memory areas with a data length of < 28 bytes the data remaining in the process image is filled
with the value 0x00.