Adtech ADTECH4 CNC Series Maintenance Manual page 185

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 AB phase decoder input allows differential connection and common anode connection,
which will be determined by the encoder type.
 Encoder output modes include open collector, complementary, voltage and long drive,
among which open collector, complementary and voltage output use common anode
connection, and long drive output uses differential connection.
 As shown in the figure below, AB phase decoder input signal uses differential input
connection; if common anode connection is used, the positive ends of phase A and phase
B must be connected; for common cathode connection, the negative ends of phase A and
phase B must be connected.
Differential connection follows:
AXIS_IN2 Spindle alarm input port 2
UECZ+ Spindle encoder Z+
UEB+ Spindle encoder B+
UECA- Spindle encoder A-
AXES2 Spindle output port 2(CCW)
AXES4 Spindle output port 4
AXES6 Spindle output port 6
CPU+ Spindle position control pulse +
PWM1 PWM output
DAOUT2 Second channel analog output 0~10V
DAOUT1 First channel analog output 0~10V
DAGND Analog GND
AXES1 Spindle output port 1(CW)
AXES3 Spindle output port 3
AXES5 Spindle output port 5
24VGND Control signal common terminal power 24V GND
ADTECH4 SeriesCNC Maintenance Manual