Encoder technical terms

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Description

1. There is a 90° phase difference between A and B phases ±1/8T1

2. Zero signal has high and low level selection.

3.UVW signal

It is used to characterize the relationship of 3 signals (electrical angle) with a phase difference of 120°, which is generally used in servo motors.

4. Voltage output

The emitter of the NPN transistor is grounded, and the collector is a circuit with load resistance output.

5. Open collector output

NPN type is a circuit that outputs directly from the collector of a transistor.

6. Long line driver output

The integrated circuit for long-distance output, the signal is output in positive and negative directions, fast speed, strong anti-interference ability, and can also detect cable disconnection.

7. Complementary output

The emitter of NPN type and PNP type pair tube is connected to the output circuit. This circuit has a fast response speed and can also be transmitted over long distances.

8. Incremental

The method of outputting pulse train or periodic train of sine wave. The position is obtained based on accumulation.

9. Absolute

The method of outputting mechanical displacement using binary code or gray code as absolute position.

10. Positive logic

The symbol "1" is the output logic corresponding to the output voltage "H".

11. Negative logic

The symbol "1" is the output logic corresponding to the output voltage "L".