• Shenzhen Coolmay Technology Co., Ltd.
    Juan Guevara
    muy buen trato con el vendedor y muy buena asesoria y el producto está trabajando muy bien ya tiene un año y no he tenido ningún problema
  • Shenzhen Coolmay Technology Co., Ltd.
    Obert Matetakufa
    I'm very happy with the business deal and all the support they are giving . A very good business partner
Contact Person : Sandra
Phone Number : 008619925291353
Whatsapp : +8619925291353

8AI 4AO 8 Channels Industrial Control PLC Passive NPN Plc Controller

Place of Origin China
Brand Name Coolmay
Certification CE Certificate
Model Number CX3G-48M
Minimum Order Quantity 1 Unit
Price Details Need To Be Negotiated
Packaging Details Carton
Delivery Time 3-5 Days After Payment Confirmed
Payment Terms TT,Paypal, Western Union, Credit Card
Supply Ability 15000 Units Per Week

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Product Details
Installation Din Rail Cutout Size 192*99mm
Digital I/O 24DI 24DO Analog(Optional) Max 8AI/4AO
Com Ports 2*RS485, 1*232,1*mini Type B Programming Port Software Compatible With WORKS 2
Digital Input Passive NPN Transistor Output NPN
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8 Channels Industrial Control PLC


8AI 4AO Industrial Control PLC


Passive NPN Plc Controller

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Product Description

Industrial Control PLC 8AI 4AO 8 Channels High Speed Pulse WORKS 2 Software



  • PLC controller*1
  • PLC programming cable*1



  1. Highly integration. At most 24DI/24DO (transistor output,or relay output or mixed output), 8AI/4AO (Optional)
  2. Comes with 2 PLC programming ports: Mini typeB usb port (speed of reading and downloading is more faster)
  3. and RS 232 (8-hole mouse head female seat), normally have 2 RS 485 ports.
  4. Support multi-channels high-speed counting and high-speed pulse.
  5. Support special encryption ((Attention:Only supports 8-bit password encryption)
  6. 32K steps of program capacity, 32K power-failed holding registers which support interrupting, linear arc interpolation and PID auto-tuning.
  7. The network module can be selected according to customer requirements to realize remote control.​​



Model CX3G-48M
Cutout size
Fixed hole installation and DIN-Rail (35mm )
I/O level
Input: Passive NPN, public terminal isolated
Transistor output: NPN
Relay output: Normally open dry contact
Digital I/O
DO type
Relay(MR) or transistor(MT) or mixed(MRT)
(Relay output: max load 5A/ transistor output: max load 500mA)
High speed
Single phase 6 channel 60KHz, or 2 AB 60KHz + 1 AB 10KHz, or 2 ABZ 60KHz + 1 AB phase 10 KHz
High speed
8 channels, Y0-Y3 is 100KHz, Y4-Y7 is 10KHz
High-speed counting + high-speed pulse < 480KHz
Analog I/O
AI type
Type E/E_/K/K_/S/S_/T/T_/J/J_ thermocouple / PT100/ PT1000/ NTC10K/ NTC50K/ NTC100K/
0~10V/ 0~5V/ 0-20mA/ 4-20mA/ -5V~5V/ -10V~10V
AO type
0~10V/ 0-~5V/ 0~20mA/ 4~20mA
-5~5V/ -10~10V (2DA for 1 minus voltage)
1 Mini type B USB programming port, 1 RS232 programming port (Interface terminal is mouse female port with 8 holes), 2 RS485 COM ports
Default 2 RS485 COM ports can be customized as
1 RS485, 1 RS232 COM ports,
or 1 RS485 COM port, 1 CAN (2.0A/B),
or 1 RS232 COM port, 1 CAN (2.0A/B)
CX3G-48M can add Ethernet port.
Compatible with WORKS 2


Analog output

Analog output range 0~4000, precision is 12 bit. Support TO instruction or register assignment operation directly.

Adopts TO K0 K0 D500 K8, 8 channels 0~10V or 0~20mA analog output.

Register assignment operation directly: D8050~D8057.

When the analog output is current, the bit of D8058 needs to be set:

When the default D8058.0~D8058.7=0, it means 0~20mA; when D8058.0~D8058.7=1, it means 4~20mA.

For example:

  DA register Range Output type
DA0 D8050 0-4000

When D8058.0~D8058.7=0

Means 0~20mA;


When D8058.0~D8058.7=1

Means 4~20mA.

DA1 D8051 0-4000
DA2 D8052 0-4000
DA3 D8053 0-4000
DA4 D8054 0-4000
DA5 D8055 0-4000
DA6 D8056 0-4000
DA7 D8057 0-4000


Below shows the 0-10V voltage analog output.

8AI 4AO 8 Channels Industrial Control PLC Passive NPN Plc Controller 0

At this point, use a multimeter to check the voltage of the DA0 terminal, that is, the multimeter's red pen is connected to the DA0 terminal, and the black pen is connected to the GND terminal. The multimeter is displaying 5V voltage value.