What cable should I use to connect meters with an RS485 port to the USB port of a PC? At the end, press "Save RS485 Configuration" to save the configuration permanently on the RS485 Extension. Configure the extension as slave or master (as described here). Connect the Master Brick via USB, Ethernet or WIFI with your PC and start the Brick Viewer software. RS485 master is the Master Brick which has a USB, Ethernet or WIFI connection to the PC running brickd. Another thing I've done is connecting the slave device to to the SENA RS485 adapter, and use the metal piece on the pins, the middle pin of the adapter, when touching the metal, makes the TX led turn on. I inserted a metal piece in the middle pin of the cable (the TX) and I could see garbage data showing on the screen (sometimes!). For example, Belden 3105A cable can be specified, but different types of cable with equivalent characteristics can be used.

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. CAS DataLoggers recently provided the datalogging solution for GSI Grain Storage in Assumption, Illinois, the world's largest manufacturer of steel farm grain bins, commercial storage grain bins and grain silos, as well as grain dryers and material handling systems including grain bin sweeps, spreaders, chain loop systems, commercial bucket elevators and conveyors. I be looking in order to get closer a solution? They are now looking for alternative panels which are similar dimensions to fit across our roof. Thanks to paperless chart recording technology; students and teachers are now able to clearly and conveniently visualize their experimental data. You should now be able to see all connected stacks in the Brick Viewer. Wire up the RS485 stacks and set the termination switch on the first and last RS485 Extension in the bus to "on", as shown below.

The RS485 data transmission standard requires that each network node be linked via a single transmission line terminated at each end in its characteristic impedance. Furthermore the total transmission line length is limited to approx. 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. There are several factors to consider when choosing a RS232 - RS422 converter. 1. RS232 - Can accept local power or can be cabled to run powered from port. The board is powered using the 5V from the USB cable so no external power supply is required. Using the Solis Data Logging Stick, which uses WiFi to communicate, we were able to set up the inverter to send data to the remote soliscloud service, but we could not find any way to get capture data apart from scraping the basic status page built into the WiFi adapter which only gave watts being produced and daily output. We then added the 10K pull-up and pull-down resistors to the RS485 Pi board and connected it directly to the Solis inverter. The data COM port on the base of the Solis inverter uses a small round 4-pin plug with a screw thread to hold it in place when connected.

With the RS485 Pi connected to the energy meter, we could read the data but not from the inverter. We decided to move our solar PV inverter installation from its previous location in the loft to the shed below the house. Test options include: audio, video, ping, TDR, PoE, IP network connections, and LAN (local area network) cable connections. Display and configure video; control PTZ; test cables, audio, IP network connections, PoE voltage; and power 12VDC cameras. The Master Brick of each stack has to be the lowermost Brick (except if you are using a Power Supply). We also highly recommend using paired twisted cable for connecting most converters. Half duplex has the advantage of only using three wires: ARX/ATX, BRX/BTX and GND. If you use a twisted pair cable, make sure to use the same twisted pair for A and B, but use another twisted pair for GND. RX led. When connecting that RS485 adapter to the PC's COM port, sending data to that port would make the RX led flash. The RS485 Extension can be positioned in the stack as you wish. To configure a RS485 Extension you first have to choose the baud rate, parity and stop bits.

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