Input Channels; In1 Socket; In2 Socket - Adash 4400 VA4 Pro User Manual

ADASH Ltd. Adash 4400 – VA4Pro

Input channels

All input sockets are in the top panel. The versions older then 0200 had only 3 sockets in the panel.
The input sockets labeled IN1, IN2, IN3, IN4 are used for AC or DC signals. The input socket labeled TRIG is
used for trigger signals, usually tacho. All sockets have several pins. It enables to connect more signals to one
socket (see wire diagrams).
The AC inputs enable to measure max voltage peak +/-12V. The DC channels enable to measure max +/-24V.

IN1 socket

1 – CH1 AC INPUT
2 – GROUND
3 – +20V DC OUTPUT (max 10mA) for eventual sensor powering
4 – SHIELDING
5 – NOT USED
6 – CH1 DC INPUT
7 – NOT USED

IN2 socket

1 – CH2 AC INPUT
2 – GROUND
3 – CH1 AC INPUT
4 – SHIELDING
5 – CH3 AC INPUT
6 – CH2 DC INPUT
7 – CH4 AC INPUT
Pay attention to possibility of connecting all four AC channels to IN2.
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