DTECH Port-Powered RS232 to RS485 Converter Adapter for Industrial Long Haul Serial Communication Supports 600W Anti-surge and 15KV Static Protection

good

Ok very nice...

I couldn't ask for more, this thing works great! I needed to send some commands to an RS-485 peripheral to provision it, and it worked perfectly. Its totally bus powered (but provides option for external 7-9vdc power on the RS-485 side). The most important thing when using RS-485 half duplex is fast control of the DE (driver enable) line. This thing handles it automatically and perfectly. Able to send RS-485 commands via terminal and when not sending it releases the transmit line quickly to switch back to receive (<1ms). I was originally contemplating putting one of these together out of a RS-485 transceiver IC, and piddling some TTL stuff together to handle the DE line switching, but for this price, I couldn't justify spending the time building it even if the components were free and sitting on the shelf. A good RS232-485 converter is a handy thing to have in your toolbox for debugging if you work with any RS-485 devices, and this one is well built and super easy to use (it even came with a phoenix style screw terminal block, lol)

تأخرت في تقييم المنتج وذلك لانشغالي عن اختباره، ولكن عند اختباره كان أداؤه جيدا وهو يعمل دون الحاجة لتغذية خارجية

I used this to connect a USB to rs232 cable to an rs485 connection on a tenveo ptz camera. Did the job well.

- great value - built well - worked out of the package - no fuss, no drivers!

Excellent items