Communication & Controller

RS232 to RS485 converter with cheap price, which with RS-232 DB9 female, RS-485 DB9 male two connectors, transmission rate 38400bps to 300m/ 9600bps to 1.2km. It is generally used in mechanical control systems, access control systems, industrial automation, industrial control, security monitoring, equipment debugging, upgrades, etc.

Cheap price serial to fiber converter online for sale. The fiber optic converter supports RS232/ 485/ 422 asynchronous protocols, input voltage DC9-48V, 200mA, wavelength 1310 nm (muti mode), 1310/ 1550 nm (single mode). The fiber converters must be used in pairs, are widely used in industrial automation control network system and security monitoring control network system.

RS-232/ RS-485 to RS-485 hub at affordable price, which with two ports, twisted-pair/ shielded wire transmission media, 9-30VDC/ 150mA operating power, asynchronous half-duplex working mode. It is widely used in highway toll systems, road monitoring systems and power acquisition systems.

Good price high-precision Pt100 resistance signal (three-wire) RTD converter with an RS485 (RTU) output for sale. It measures -190~490°C with ±0.1% FS accuracy, operates on 9~28VDC, and features 1500VDC signal isolation for safety. With a compact design, IP54 protection, and reliable performance in -40°C to 80°C, it suits process control, HVAC, power plants, labs, and food industries for precise and durable temperature monitoring.

Cheap price USB to RS232 converter online for sale, with 0.5m/ 1.5m/ 3m length for selection, asynchronous/ point to point two working modes, -25℃ to 70℃ operating temperature. It is generally used in mechanical control systems, access control systems, industrial automation, industrial control, security monitoring, equipment debugging, upgrades, etc.

10/100Mbps unmanaged 8 port Ethernet switches on sale, rugged Din-rail mounting Layer 2 switch, optional single 100-240VAC/110-220VDC or dual 12/24/48VDC power inputs, 100M fibre optical port and 10/100M electrical port optional interface configuration, making communication more smooth, reliable and faster.

Data transfer unit uses military-grade LoRa modulation technology, spread spectrum, and strong diffraction. Transmission distance can be up to 20km, transmission power can select 1W or 5W. The digital transceiver provides transparent RS232/RS485 interface, working frequency band is 433MHz. It can be connected with PLC, RTU, level gauge and other data terminals.

Professional manufacturer industrial PC, fanless design, embedded mounting. CPU Intel Celeron 3865U/ Core i5 7200U/ Core i7 7500U for selection, supports system Linux/Windows 7/Windows 10, RAM slot DDR4 1866/2133 SODIMM, max 16GB, standard interface 2 Intel 1000M LAN, 4 COM, power supply DC 9~36V.

7'' HMI touch screen 800x600 pixels, 1 USB host, Human Machine Interface with 65536 color TFT display, with a whole new 2D drawing technique, the screen resolution is enhanced for more realistic images and for more colorful and vivid displays. RS-232/RS-422/RS-485, USB disk, ethernet, audio output, SD card and more are supported for various applications.

Low price PLC Programmable Logic Controller for sale, high-speed 32-bit CPU, 16 / 20 / 24/ 32 / 40 / 60 I/O points, 16k steps program capacity and 10k data register built-in 1 RS-232 and 2 RS-485 ports, 100 ~ 240V AC power supply. PLC controller has digital input & relay or transistor output, providing 8 - 36 input points and 8 - 24 output points, high capability and fast logic operation, a perfect solution for controlling your automation systems.

Economical price RS232 to CAN BUS converter which supports the interconnection between RS-232 and CAN-BUS, three data conversion modes, features operating voltage 12-36VDC, ≤150mA @12V operating current. It is widely used in industrial control, data communication systems.

RS-232/ RS-485 to RS-485 hub with 4 ports, twisted-pair or shielded cable transmission media, 0-5000m (115200-300bps) transmission distance, 300bps-115.2kbps baud rate. It is widely used in highway toll systems, road monitoring systems and power acquisition systems.

This favorable price RS485 converter is a high-performance, multi-functional, industrial-grade device that supports 4-20mA, 05V and 0~10V output signals, and the 4-channel outputs are specifically designed for accurate conversion of RS485 signals to analog signals.

Economical price single mode RS232/ RS485/ RS422 to fiber converter includes two models, UT-2577SM and UT-2578SM, with 20000m/ 40000m (single mode), the single mode fiber converter supports point to point or loop circuit (point to multi point) connection, also supports 2 bits (half-duplex) & 4 bits (full-duplex) RS485 operating mode. The fiber converter single mode has the advantages of high isolation voltage, anti-electromagnetic interference, and anti-lightning strike. The UT-2577SM and UT-2578SM models must be used in pairs.

USB to RS485 converter at affordable price, 0.5m/ 1.5m/ 3m length can be chosen, asynchronous, point to point or point to multi-point, 2 wires half-duplex or 4 wires full-duplex working modes, USB-A male, DB9 male connector. Its advantage is that it supports hot swap, plug and play, and fast transmission speed.

Data transfer unit is data transceiver using advanced ultra-narrowband modulation technology. Built-in PA and LNA, transmission power is 0.16W/1W/5W for selection, transmission distance can be up to 20km. It uses 230MHz frequency band, with excellent penetrability and diffraction capabilities, provides real-time, reliable, and low-cost data transmission functions.

Cheap HMI 10 inch for sale, Human Machine Interface 1024 x 600 pixels, bright touch screen, TFT LCD display, good quality HMI touch screen widely used in industrial automation, manufacturer direct sales.

High-performance PLC has large program capacity (30k steps) and data registers (12k words), with 16/20/32/40/48/64/80 I/O points, relay or transistor output, two differential output available in DVP32EH00M3/MT and 4 axes of 200kHz pulse output in DVP40/48/64/80EH00T3. This series of programmable logic controller features excellent motion control, complete program protection, and flexible function extension modules & cards, best for more demanding and complex applications.

Cost-effective RS-232/ RS-485 to RS-485 hub with 8 ports, 300-115.2Kbps baud rate, asynchronous half-duplex operating mode, terminal block connector, 5000m (9600bps) transmission distance. It is widely used in highway toll system, traffic monitoring system and power system.

ATO offers this RS485 converter is an industrial standard analog output converter, supporting 2-channel outputs with ranges of 4-20mA, 0-5V, and 0-10V. The application layer adopts the standard ModBus-RTU protocol, which conforms to the industrial standard, and is convenient for communication with the upper computer, which can realize rapid networking and build a monitoring system.