Chapter 4 Communication Protocol
Operating Manual for Communicating Area Sensor
4-15
Returned data and byte count
Bit
7
6
5
4
3
2
1
0
Returned data(008CH) = 1
Byte count = 4
Example: The product being used is AS-BH028-C with pitch 20mm, and two objects shaded in the middle.
The returned data is as shown below:
Channel
1 — 8
9 — 16
17 — 24
25 — 32
008CH = 0
Data 1
Data 2
Data 3
Data 4
Data(Hex)
03
F0
3C
00
Beam state(bit) 0 0 0 0
0 0 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0
Data 1
Data 2
Data 3
Data 4
008CH = 1
First shading
beam = 7
Final shading
beam = 22
Total shading
beams =10
Total shading
length (cm) =
20
Data (Hex)
07
16
0A
14
AS-BH028-TX
AS-BH028-CX
28th
1st