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Installation and Configuration
2.3.1.1. RS-422 Line Driver Encoder (Standard)
The standard encoder interface accepts an RS-422 differential quadrature line driver signal in the range of 0
to 5 Volts. It accepts a 10 MHz (max) encoder signal frequency (25 nsec minimum edge separation),
producing 40 million counts per second after times four (x4) quadrature decoding.
An analog encoder is used with the -MXH option (refer to
J207-14
J207-15
J207-17
J207-18
J207-6
J207-7
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+12V
PRI COS+ IN
PRI COS- IN
PRI SIN+ IN
PRI SIN- IN
MAX312L
PRI MRK- IN
PRI MRK+ IN
MAX312L
-12V
Figure 2-12:
Line Driver Encoder Interface (J207)
Chapter 2
Ensemble HPe 150/200
Section 2.3.1.4.
for more information).
+3.3V
220
220
ENCODER
FAULT DETECTION
.1
180
+3.3V
DS26LV32
+5V
ADM1485
29
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