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Nanjing Aoto Launches Industry-Leading Wide-Temperature, High-Performance PLC Product
Release date:
2015-05-20
Recently, Nanjing Aotuo launched a wide-temperature, high-performance, compact integrated PLC product—NA200H—designed to deliver a stable, efficient, and practical industrial controller for users operating in a variety of harsh environments. Below is a brief introduction to the NA200H. We welcome everyone to get in touch with us.
Recently, Nanjing Aoto launched a wide-temperature, high-performance, compact all-in-one PLC product—NA200H—designed to deliver a stable, efficient, and practical industrial controller for users operating in diverse and challenging environments. Below is a brief introduction to the NA200H; we welcome everyone to get in touch with us.

The NA200H series PLC is the latest wide-temperature, high-performance, compact all-in-one PLC product launched by Nanda Aotuo Technology. The NA200H CPU module comes equipped with a built-in Ethernet interface, significantly simplifying user operations and enabling remote debugging and data monitoring. Additionally, the NA200H is designed as a wide-temperature model, capable of operating reliably in extreme conditions—from as low as -40°C to as high as 70°C—making it ideal for use in some of the harshest environments. Currently, this product has already been deployed in regions such as Xinjiang, Northeast China, the coastal areas of Shandong, Fujian, and Guangzhou, with most installations taking place in exposed outdoor settings. These deployments have clearly demonstrated the PLC's exceptional ability to adapt to challenging environmental conditions.
Product technical specifications:
| Project |
Explanation |
| Processor |
32 A microprocessor with a clock speed of 200MHz , Embedded Operating System |
| Memory |
Standard configuration 32MB Memory, power-loss data preservation |
| Power supply |
AC 85V ~ 265V |
| Backup power supply |
DC 24V |
| 5 Road analog input AI ) |
Input signal range 4 ~ 20mA , featuring overvoltage and overcurrent protection |
| 14 Digital input channel ( DI ) |
Passive dry contact, with internal power supply within the device 24V |
| 10 Digital output channel DO ) |
Relay output, with a capacity of 3A/250VAC,5A/30VDC |
| Expansion I/O Number of modules |
8 One |
| 3 Road RS485 |
Modbus RTU Master/Slave Agreement |
| 1 Road RS232 |
Modbus RTU Master/Slave Agreement |
| 1 Road Ethernet RJ45 |
Modbus TCP |
| Watchdog, real-time calendar clock |
Calendar clock retains power-off time 3 Months |
| Operating temperature |
-40 °C to +70 °C |
| Storage temperature |
-55 °C to +85 °C |
| Relative humidity |
5% ~ 95% No condensation |
| Weight |
0.48Kg |
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Service hotline:+8618905163737
Company Headquarters: No. 15, Building B, Zone B, Phase I, Headquarters Economic Park, 69 Fengzhan Road, Yuhuatai District, Nanjing, Jiangsu, P.R. China
Production Center: No. 219 Qinghuiting West Road, Jiangning Economic Development Zone, Nanjing City, Jiangsu Province




