National Instruments NI 1712 User Manual - page 44
Manual is about: Smart Camera
of
87
4-12
|
ni.com
Chapter 4
Connecting Lighting and External Devices
Figure 4-
9
shows the internal quadrature encoder/RS-422 input circuit.
Figure 4-9.
NI Smart Camera Quadrature Encoder Input Circuit
+
–
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