Zapi AC-3 User Manual

Page 19
3.6 ENCODER INSTALLATION
1) AC4 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 en-
coder power supply can be +5 or +12V. It can have different electronic output.
Minifit Saab
E1 A20 +5V/+12V positive of encoder power supply.
E2 A23 GND negative of encoder power supply.
E3 A21 A phase A of encoder.
E4 - A phase A inverted (encoder with differential output).
E5 A22 B phase B of encoder.
E6 - B phase B inverted (encoder with differential output).
2) Connection of encoder with differential outputs; +5V power supply (Minifit connectors).
3) Connection of encoder with open collector output; +5V power supply (Minifit connec-
tors)..
4) Connection of encoder with open collector output: +12V power supply (Minifit connec-
tors).
VERY IMPORTANT
It is necessary to specify in the order the type of encoder used, in terms of power
supply, electronic output and n° of pulses for revolution, because the logic unit
must be set in the correct way by Zapi.

Zapi AC-3 Specifications

General

Brand	Zapi
Model	AC-3
Category	Inverter
Language	English