National Instruments Quadrature Input Module FP-QUAD-510 - Manual (Page 3)

© National Instruments Corp. 3 FP-QUAD-510
Figure 1. Install Your Module
Field Wiring
The terminal base provides connections for each axis and for an
external supply to power the FP-QUAD-510 input channels and
field devices.
The FP-QUAD-510 accepts two types of encoder signal inputs:
single-ended (TTL) or differential line driver. Figure 2 shows the
typical encoder wiring for differential signal input. Figure 3 shows
the typical encoder wiring for single-ended signal input. Power for
a +5 V encoder is also provided for each axis. If you require other
encoder power voltages, reference an external supply to either the
C terminal or the COM terminal.
Figure 2. Basic Field Connections to Differential Encoders
Alignment
Slot
Key
Latch
Guide Rails
Terminal Base I/O Module
+A
–A
+B
–B
+Index
–Index
+5 V
GND
Encoder
+5 V
Reg
+ –
+A
–A
+B
–B
+I
–I
V
sup
COM
V C