Installation
Instruction manual 91/104 V9.2
8
AI3
Analog input 3 (resolution 11 bit + sign) programmable. Voltage between AI3 and A0V = ±10Vcc max.
9
AI4
Analog input 4 (resolution 11 bit + sign) programmable. Voltage between AI4 and A0V = ±10Vcc max.
10
A0V
0V analog.
To connect analog I/Os to other electronic equipment (CNC, PLC, etc.), it is essential to use good quality shielded cables and connect
the ends of the shield to reduce noise.
Below are some sample drawings for a correct use of the various signals on X11.
Drawing 8
Connection of a
potentiometer
to provide the speed ref-
erence.
Drawing 9
Connection of a numerical control (or a PLC) with an
unbalanced output
to provide the speed reference.
Drawing 10
Connection of a numerical control (or a PLC) with
bal-
anced output
to provide the speed reference.
Drawing 11
Connecting a
potentiometer
to a generic analog input
to provide a reference.
18
Alter Elettronica s.r.l.