Huaqingjun 8DI 8DO PLC Controller with Relay Output, 2AI 2AO, RS485 Modbus RTU Programmable Logic Controller for Greenhouse Automation
Huaqingjun 8DI 8DO PLC Controller with Relay Output, 2AI 2AO, RS485 Modbus RTU Programmable Logic Controller for Greenhouse Automation
Description:
The Huaqingjun Programmable Logic Controller is designed for automation and control applications, offering 8 digital inputs, 8 relay outputs, 2 analog inputs, and 2 analog outputs. With RS485 Modbus RTU communication, it is ideal for greenhouse automation, irrigation systems, temperature control, ventilation, lighting, and other industrial or smart control projects.
Compact and reliable, this PLC helps automate equipment and sensors with flexible programming and stable performance, making it suitable for agricultural automation, small industrial systems, and smart monitoring solutions.
SPECIFICATIONS
2-channel NTC input: Contact customer service if you need or note 2-channel NTC 10K 3950 sensor
AI: Analog inputs
AO: Analog outputs
Analog: 0-5V, 0-10V; 0-20mA, 4-20mA options
Battery Included: No
Brand Name: Huaqingjun
Certification: CE
Color: YELLOW
High-concerned chemical: None
Input signal: 2mA / DC12-24V compatible PNP, NPN switching signal
Interface: Support Chinese/English interface switching
Model Number: QJ-16R-2AI2AO-485
Origin: Mainland China
Output form: 8 relays (normally open)
Output load: 5A/250VAC,5A/30VDC
Output type: Relay type
Package: Yes
Plug Type: EU Plug
Power supply: 10W (<300mA/ DC24V)
Product name: 8DI 8DO Relay Output 2-channel Analog Inputs Outputs RS485
Protocol: RS485 Modbus RTU
RS485: RS485 communication
Relay: 24V/12VDC relay
Size: 145mm*90mm*40mm
Type: Embedded Industrial Motherboard
Warranty: 1 Year
Product Description
1. Analog inputs
0~20mA, 4~20mA, 0~5V, 0~10V
Limit input range: voltage <33V; current <30mA (continuous input value)
2. Analog outputs
0~20mA (24V output),
4~20mA(24V output),
0~5V, 0~10V
3. Program encryption
The set program can be encrypted to avoid being changed by others.
PACKING & DELIVERY
Packaging Details: standard paper box
Lead Time: 1-5 days after payment for sample order.
10-25 days after payment for big order.
FAQ
Q1. What advantages do you have?
A: We have independent products, good quality products, excellent technical support and service.
Q2. How long is the quality guarantee?
A: Product quality warranty is one year.
Q3. What is the delivery time?
A: Normally, it is about 3-7 days after payment. It needs to be negotiated to special requirement orders.
Q4. How about the quality of your product?
A: Before shipping out, we will check for quality, including check the function of products, the appearance, the packing, the
necessary accessories and power adapter plug standard.
Q5. How do you keeping our long-term business and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
3. We could customize modules according to customer's requirements.