Chapter 3 Mechanical and Electrical Installation
-35-
2. Description of Control Terminal Function:
Type
Terminal
Symbol
Terminal
name
Function description
+10V-GND
External 10V
power supply
Provide +10V power supply for external units,
and the maximum output current is 10mA.
It is generally used as the operating power of
external potentiometer.
Power
supply
+24V-COM
External 24V
power supply
Provide +24V power supply for external units. It
is generally used as the operating power supply
for digital input/output terminal and the external
sensor.
The maximum output current is 200mA.
AI1-GND
Analog input
terminal 1
1 Input Voltage range: DC 0V to 10V
2. Input resistance: 100kȍ
Analog
input
AI2-GND
Analog input
terminal 2
1. Input range: DC 0V to 10V/4mA to 20mA,
which is determined by j3 jumper on the
control board.
2. Input impedance: It is 100kȍ at the time of
voltage input and 500ȍ at the time of current
input.
DI1 Digital input 1
DI2 Digital input 2
DI3 Digital input 3
2. Input impedance: 3.3kȍ
Function
Digital
input
terminal
DI4
High-speed
pulse input
terminal
In addition to the characteristics of DI1 to DI3,
DI4 can also be used as the high-speed pulse
input channel.
Maximum input frequency is 50kHz.
Analog
output
AO-GND
Analog
output
The voltage or current output is determined by
the J4 jumper on the control board.
Digital
output
DO-COM
Digital output
1
Output voltage range: 0V to 24V
Output current range: 0mA to 50mA
T/A-T/B
normally
closed
terminal
Relay
output
T/A-T/C
normally
open terminal
Contact driving capacity:
AC250Vˈ3AˈCOSij=0.4
DC 30Vˈ1A
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