SenseCAP S2100 data logger can collect data from multiple sensors and transfer the data through the LoRaWAN network. SenseCAP is a wireless sensing platform developed specifically for Industrial IoT, with applications in smart agriculture, smart cities, and other environmental sensing scenarios. A RS232 - RS485 converter is often used in industrial data acquisition and control applications where multiple serial devices communicate with each other through a converter. Two Tibbo Project System (TPS), Gen. 2-compatible Tibbo BASIC applications for the setup and testing of Bus Probes are available: BP-Tester-UI and BP-Tester-Web. For master configuration choose "Master" as type and input the addresses of the slaves in the RS485 bus as a comma separated list. RS485 master is the Master Brick which has a USB, Ethernet or WIFI connection to the PC running brickd. In order for this type of implementation to work correctly, properly wired RS485 connectors are required on the PC running the NMS application as well as all of the connected subsystems. I am beginning to suspect that the board is not writing to the RS485 adapter correctly, or that pins are not mapped correctly. The connection between the board and the PC is done through the ultra mini serial to DB9 cable and I can successfully read/write data from and to the board.

The board with dual RJ11 jacks is the more popular since is can use commercial straight-through, non-reversing, 6-wire data cables with RJ11 connectors. RS485 interface gives some more benefits compared to RS232: simplicity and the robustness for long distance transfer. So in order to transfer data from a RS232 serial interface engineers need a converter to be able to connect to a RS485 or RS422 interface. So what is a RS232 to RS485 converter? The reason is that the serial RS232 protocol is, even its old, a very reliable, stable and solid communication protocol, which can easily be implemented with existing industrial equipment. The RS422 converter is used for data transmission, using balanced or differential signaling, it is mainly used in industrial and commercial environments since lots of process equipment and machinery have this protocol built-in. It is unquestionably an ideal choice for industrial equipment use due to its high speed, reliability, safety and versatility. Control and monitoring systems: A single pair of rs485 signal cable can connect up to 32 devices, with a signal transmission distance of up to 1200m. Therefore, using rs485 cables is an ideal choice for industrial control and monitoring systems, especially those with large-scale and high dispersion.

This way you can extend the RS422 signal for up to 4000 feet. Extending a RS232 line is done by converting the RS232 signal into RS422 and then back to RS232 at the remote end. If there is a lot of environmental electrical noise then an optical isolated converter is preferred. For example you need to consider the noise level in the environment surrounding the serial converter. To prevent noise to interfere with the communications, often twisted pair cable is used. Due to loading limitations one of the best uses of a RS232 to RS422 serial converter might be in point-to-point communications, such as extending an existing RS232 line. The RS485 converter interface uses two wires for communication, one for transmitting and one for receiving data, which is referred to as a half-duplex communication converter. Use a 485 to USB serial cable, connect it to the interface of the 485 device and the computer's USB port, assign a COM port on the computer, open serial debugging assistant software, set the serial port parameters consistently, input the corresponding COM port, and monitor the data from the 485 device. Confirm serial port parameters such as baud rate, data bits, and stop bits: Baud rate should be configured according to the connected RS485 device, commonly used rates are 9600 and 115200; Refer to the device manual or contact RS485 device technical support for configuration, especially if set to Modbus mode, confirm if the function code matches.

Unlike what happens in many energy distribution systems, the manner in which the devices are connected in parallel is important. Confirm hardware connections including serial port devices, rs485 cable and check if your gateway and energy meter are correctly connected. A T- --B; Check if the instructions sent to 485 are correct; Are there proper responses from 485 after sending correct instructions? Low Smoke Halogen Free versions are available where indicated. Converters between RS-485 and RS-232 are available to allow a personal computer to communicate with remote devices. Some of these converters can convert from RS232 to both RS485 and RS422 however many standard models only has one of the protocols. When in full RS232 mode, the six available pins are assigned to the most used RS232 signals. The distances these signals are carried is greater due to differential signals. A RS232 - RS422 converter is a 4-wire, full-duplex, differential protocol with multi-drop capabilities and a recommended distance limit of 4000ft. ANSI/TIA/EIA-422-B is the American national standard for the RS422 protocol. In contrast to EIA-485 (which is multi-point instead of multi-drop), EIA-422/V.11 does not allow multiple drivers but only multiple receivers. The advantage of the RS485 protocol is that this it can transfer data over longer distances, up to 4000 feet, and have up to 32 nodes per single network, and it can be used for multi-point networks where multiple serial devices are setup in a bus network.