2.3.1.1. Square Wave Encoder
The XR3 accepts RS-422 square wave encoder signals. The XR3 will generate a feedback fault if it detects
an invalid signal state caused by an open or shorted signal connection. Use twisted-pair wiring for the
highest performance and noise immunity.
Table 2-11:
Square Wave Encoder Specifications
Specification
Value
Encoder Frequency
10 MHz maximum (25 ns minimum edge separation)
x4 Quadrature Decoding
40 million counts/sec
Figure 2-11:
Square Wave Encoder Schematic (Feedback Connector)
2.3.1.1. Square Wave Encoder
XR3 Hardware Manual
42
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