Aerotech Ndrive HPe 10, Hardware Manual

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Installation and Configuration Ndrive HPe 10/20/30
2.4.1.1. 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 -MXH option (refer to Section 2.4.1.3. for more information).
Table 2-16: Encoder Specifications
Specification Value
Encoder Frequency 10 MHz maximum (25 nsec minimum edge separation)
x4 Quadrature Decoding 40 million counts/sec
Figure 2-18: Line Driver Encoder Interface (J207)
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