Installation and Configuration
Ensemble LAB Hardware Manual
2.3.1.1. RS-422 Line Driver Encoder (Standard)
The standard encoder interface accepts an RS-422 differential quadrature line driver signal. Invalid or
missing signals will cause a feedback fault when the axis is enabled.
An analog encoder is used with the -MXU or -MXR option (refer to
for more information).
Table 2-6:
Encoder Specifications
Specification
Value
Encoder Frequency
10 MHz maximum (25 nsec minimum edge separation)
x4 Quadrature Decoding
40 million counts/sec
DS26LV32
ENCODER FAULT
DETECTION
180
180
1
0
K
1
0
K
1
0
K
1
0
K
PIN-14
+3.3V
+5V
COS+
PIN-2
COS-
PIN-15
SIN+
PIN-3
SIN-
DS26LV32
180
PIN-16
+3.3V
MRK+
PIN-4
MRK-
Figure 2-3:
Line Driver Encoder Interface
28
Chapter 2
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