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BOS 21M-_ _ _-_ _ _ _-S4
Photoelectric Sensors
Diffuse, retro-reflective and through-beam sensors
IO-Link
Process data
The sensor sends 3 bits of process data to the master.
Byte 0
7
6
5
4
Tab. 2: Process data
The process data for the through-beam (emitter)
are always 0.
BDC1
Binary status information (switching point):
1
Active
0
Inactive
WRN
1
Receive signal > 3 seconds in limit area
(0.7 ≤ Excess gain ≤ 1.5)
FWRN
1
Receive signal in limit area (0.7 ≤ Excess gain ≤ 1.5)
IO-Link Parameters
Index
Subindex
(dec.)
(dec)
0x01 (1)
0x01 (1)
0x02 (2)
Unused
0x03 (3)
0x04 (4)
Temperature
0x05 (5)
0x06 (6)
0x07 (7)
0x08 (8)
Unused
0x09 (9)
0x0A (10)
0x0B (11)
0x0C (12)
Process Data Input
0x0D (13)
Unused
0x0E (14)
Potentiometer
0x0F (15)
Unused
0x10 (16)
Tab. 3: IO-Link Parameters
6
english
3
2
1
0
Name
Data format
1 byte
Access
Value range
0x00 (0)
0x00 (0)...0xFF (255)
0x00 (0)
R
Bit 0 = BDC1
Bit 1 = WRN
Bit 2 = FWRN
0x00 (0)
0x00 (0)...0xFF (255)
0x00 (0)
Remarks
See process data
Potentiometer
setting
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