© National Instruments
|
2-7
NI 17xx Smart Camera User Manual
Figure 2-5 shows an example of connecting the quadrature encoder differential line drivers.
Figure 2-5.
Connecting Differential Line Drivers
Figure 2-6 shows the internal quadrature encoder/RS-422 input circuit.
Figure 2-6.
NI Smart Camera Quadrature Encoder Input Circuit
Ph
as
e A+
Ph
as
e A–
Ph
as
e A–
Ph
as
e A
Ph
as
e B+
Ph
as
e B–
Ph
as
e B–
Ph
as
e B
Encoder
NI
17xx
Twi
s
ted
P
a
ir
Twi
s
ted
P
a
ir
+
–
Ph
as
e A–
Ph
as
e A+
+
–
Ph
as
e B–
Ph
as
e B+
+
3
.
3
V
10 k
Ω
10 k
Ω
10 k
Ω
10 k
Ω
7.5 k
Ω
7.5 k
Ω
7.5 k
Ω
7.5 k
Ω
NI 17xx
Summary of Contents for ISC-1762
Page 1: ...ISC 1762...
