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Photoelectric Sensors
Laser distance sensor with IO-Link and additional functions
BOD 21M-LBI05-S4
Process Data
The sensor sends 5 bytes of process data to the master
(M-Sequence TYPE_2_V).
Byte 0
39
38
37
36
CountValue
Byte 1
31
30
29
28
CountValue
Byte 2
23
22
21
20
Analog value
Byte 3
15
14
13
12
Analog value
Byte 4
7
6
5
4
SSC1
Binary status information (switching point):
1
active
0
inactive
SSC2
Binary status information (switching point):
1
active
0
inactive
Stability
1
Receive signal cannot be processed,
background/sensor dirty (sensor principle
background evaluation)
Teach-In
1
Teach-In active
OK
1
Counter value has reached preselected value
Too Low
1
Counter value less than preselected value
Too High
1
Counter value greater than preselected value
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34
33
32
27
26
25
24
19
18
17
16
11
10
9
8
3
2
1
0
Process data (continued)
Input data
The sensor receives 1 byte of process data from the
master.
Byte 0
7
6
5
4
Laser Off
1
Emitter and object detection inactive.
The sensor assumes the following state:
Function
State
SSC1
0
SSC2
0
Pin 2 (SIO)
High-resistance
Pin 4 (SIO)
High-resistance
Counter value
Remains unchanged
Stability
0
Analog value
0
Counter Reset
1
Reset counter value to zero.
Smart Sensor Functions
Smart
Identification
Sensor
Teach Channel
Binary Data Channel
Process Data Variable
Diagnosis
Fig. 8:
Smart Sensor Functions
3
2
1
0
Single Value Teach
Single Point Mode
Window Mode
Deactivated
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