|
Sequence
number
|
Binary
coding
|
Gray
coding
|
||
|
Channel
B
|
Channel
A
|
Channel
B
|
Channel
A
|
|
|
1 2 3 4 |
0 0 1 1 |
0 1 0 1 |
0 0 1 1 |
0 1 1 0 |
Table 1—When you compare the outputs of the 2-bit binary and Gray code rotary encoders, you notice that only 1 bit changes per sequence number in the Gray Code.