Npaq® Hardware Manual
Installation and Configuration
2.6.1. Encoder Interface (J1-J6)
The Npaq is equipped with standard and auxiliary encoder feedback channels. The standard encoder
interface is accessible through the Motor Feedback connector. The standard version will accept an RS-422
differential line driver signal.
Refer to
for encoder feedback phasing. Refer to
for the auxiliary encoder
channel.
N O T E :
Encoder wiring should be physically isolated from motor, AC power, and all other power wiring.
Table 2-13:
Encoder Interface Pins on the Motor Feedback Connector
Pin #
Description
In/Out/Bi
1
Chassis Frame Ground
N/A
3
+5V Power for Encoder (500 mA max)
Output
6
Encoder Marker Reference Pulse -
Input
7
Encoder Marker Reference Pulse +
Input
14
Encoder
Input
15
Encoder Cosine -
Input
17
Encoder Sine +
Input
18
Encoder Sine -
Input
21
Signal Common for Encoder
N/A
(1) Pins 3, 6, 7, 14, 15, 17 and 18 have a different function when used with the resolver input option, see
for more
information.
46
Chapter 2
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