ITech IT-M3900D Series User Manual page 144

Pin
1
2
3
4
5
6
7
GND
General Digital I/O Function
•
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.
In this chapter, all the pulse signals involved in the digital I/O function are
switched from high level to low level.
Signal definition
Digital I/O functions involve input and output levels and pulse signals. The in-
put signal is the control signal provided externally to , the output signal is the
level signal provided externally by , and the pulse signal is the edge signal
switched between high and low levels.
Input signal High level signal
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.
Typical: 5V
Range: 1.6V-15V
Current: ≤100mA
Basic Operation
Properties
Pulse signal
Level signal
Level signal
Pulse signal
Pulse signal
Pulse signal
Pulse signal
Level signal
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