ITech IT7900 Series User Manual

System-Related Functions
Copyright ©ITECH Electronic Co., Ltd. 53
Pin
Type
Description
Properties
Digital IO
-1
Input/Output
Turn
off the output u
nder
emergency status
Level signal
Digital IO
-2
Input/Output
Clear the
protection state
Pulse signal
Digital IO
-3
Input/Output
Protection state ind
icator
Level signal
Digital IO
-4
Input/Output
synchronous control
Pulse signal
Digital IO
-5
Input/Output
OnOff
-status indicator
Level signal
Digital IO
-6
Input/Output
TRIG1
Pulse signal
Digital IO
-7
Input/Output
TRIG2
Pulse signal
Ground terminal, that is, the negative
terminal corresponding
to each of the above 7 pins.
General Digital I/O Function
z Signal definition
Digital I/O functions involve input and output levels and pulse signals.The input
signal is the control signal provided externally to IT7900, the output signal is the
level signal provided externally by IT7900, and the pulse signal is the edge
signal switched between high and low levels.
I
nput signal
High level signal
Typical: 5V
R
ange: 1.6V-15V
C
urrent: İ100mA
Low level signal
Typical: 0V
Range:
-5V-0.8V
C
urrent: İ100mA
Output signal
High level signal
Voltage level: 5V
C
urrent: İ1mA
Low level signal
Voltage level: 0V
C
urrent: 0.5mA
Pulse
Level rise slope
10us
Level fall slope
2us
Width
30us
z Input/Output Function
The IO-1 ~ IO-7 pins are featured default function, the user can setting the
I/O function according to requirement. The Input and Output are the general
digital I/O function, and the settings and functions of the seven pins are the

ITech IT7900 Series Specifications

General

Brand	ITech
Model	IT7900 Series
Category	Power Supply
Language	English