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2.3.1.1. Square Wave Encoder
The XC4 accepts RS-422 square wave encoder signals. The XC4 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 2-17:
Square Wave Encoder Specifications
Specification
Value
Encoder Frequency
10 MHz maximum (25 ns minimum edge separation)
x4 Quadrature Decoding
40 million counts/sec
Figure 2-19:
Square Wave Encoder Schematic (Feedback Connector)
2.3.1. Primary Encoder Inputs
XC4 Hardware Manual
48
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Summary of Contents for Automation1 XC4
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