Zapi AC-2 Manual de usuario descargar pdf (Pagina 14)

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problems that arise from this complexity

- simplified design (readily available, multi sourced components and tools)

- lower costs (less and smaller cables )

- improved reliability (fewer connections)

- analysis of problems improved (easy connection with a pc to read the data

flowing through the cable).

4.2.4 Wirings: I/O connections

- After crimping the cable, verify that all strands are entrapped in the wire

barrel.

- Verify that all the crimped contacts are completely inserted on the connector

cavities.

U A cable connected to the wrong pin can lead to short circuits and failure;

so, before turning on the truck for the first time, verify with a multimeter the

continuity between the starting point and the end of a signal wire.

- For information about the mating connector pin assignment see the

paragraph “description of the connectors”.

4.2.5 Connection of the encoder

1) AC-2 FLASH card is fit for different types of encoder. To control AC motor

with Zapi inverter, it is necessary to install an incremental encoder with 2

phases shifted of 90°. The encoder power supply can be +5 or +12 V. It can

have different electronic output.

D1 +5V/+12V positive of encoder power supply.

D2 GND negative of encoder power supply.

D3 A phase A of encoder.

phase A inverted (encoder with differential output).

D5 B phase B of encoder.

phase B inverted (encoder with differential output).

2) Connection of encoder with differential outputs; +5 V power supply.

3) Connection of encoder with open collector output; +5 V power supply.

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Zapi AC-2 Manual de usuario Pagina 14