Digital I/O Function (Digital Port) - ITech IT-M3900C Series User Manual

4. Power on the three instruments separately.

5.11 Digital I/O Function (Digital Port)

This series power supply supports digital I/O function. The user can realize logic
control over signal input or output by related configurations in the system menu.
Pins Introduction
Different I/O implements different functions. The detailed functions description
are shown in the figure below:
Pin
1
2
3
4
5
6
7
GND
After the instrument is restarted, the VFD shows that the instrument is work-
ing in single mode.
Type
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Ground terminal, that is, the negative terminal
corresponding to each of the above 7 pins.
Copyright © Itech Electronic Co., Ltd.
Description (Default function)
Ps-Fault-Clear, clear the protec-
tion state.
Ps, protection state indicator.
Off-Status, OnOff-status
indicator.
Trig(in), trig signal.
INH-Living, Turn off the output
under emergency status.
Sync-On, synchronous on
control.
Sync-Off, synchronous off
control.
Basic Operation
Properties
Pulse signal
Level signal
Level signal
Pulse signal
Pulse signal
Pulse signal
Pulse signal
Level signal
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