Wave usb to rs485 industrial converter this is an industrial usb to rs485 converter with original ft232rl inside. Cy7c652 cy7c652a usbuart lp bridge controller cypress semiconductor corporation 198 champion court san jose, ca 9541709 4089432600 document number. My question is, do we have to program eeprom of the ft232rl before using it or i can directly mount it on the circuit as shown in schematic and it will work. Ftdi usb rs485 pcb and cables receive 00h because ftdi has. Rs232, rs485, rs422, usb and other serial converters.
The same trash come if rs485 modules are not connected. This breakout board pairs an sp3485 rs485 transceiver with an ft232rl usb uart ic to convert a usb stream to rs485. With the proper drivers installed, the ft232rl will enumerate as a virtual com port. To communicate pc2 to pc1, if i send hello pc1 message, in pc1 i receive hello pc1 but in pc2 i receive many bytes of trash. The prime advantage of usb is one plug fits everything over short distances. This breakout board includes the sp3485 rs 485 transceiver, filter capacitor, and. Similar items for sparkfun usb to serial breakout ft232rl.
This is the newest revision and fixes issues with the last board. Virtual com port vcp drivers and direct d2xx drivers. Sparkfun usb to rs485 converter bob09822 micro jpm. The atc820 is an surge protection usb to 1port rs485 converter that is designed for pc, thin client, or server to provide instant com port expansion via the universal serial bus usb. The 8 pin chip has a pair of signals to enable the driver when high and enable the receiver. Mar 06, 2016 the usb 485m is a 2wire usb to rs485 serial communication adapter for rs485 use. Product information sparkfun usb to rs485 converter this is the newest revision and fixes issues with the last board. Pc1 ftdi basic breakout transceiver usb to rs485 pc2. It does not require an external power supply or complicated configuration. Sparkfun usb to rs485 converter thingbits electronics.
The latest iteration of the sparkfun serial basic breakout takes advantage of usb c and is an easy to use usb to serial adapter based on the ch340c ic from wch. The drivers are available for windows, mac and linux. Usb to rs 485 converter for windows 8 3264bit, mac and linux. This is the sparkfun usb to serial breakout for the ft232rl, a small board with a built in usb to serial uartinterface.
The cable provides a fast, simple way to connect devices with a rs485 interface to usb. Usb to rs485 converter sparkfun bob09822 usb rs485. Sparkfun transceiver breakout rs485 bob10124 sparkfun. The driver must be installed as administrator rightclick the downloaded exe file and choose run as administrator. Libraries are provided to support the can and rs485 ports. The usb 485b has a db9 male connector on the rs485 port, and a usb type a female on the usb port. Future technology devices international ltd ft232r usb uart ic. This little breakout is built around the ft232rl ic from ftdi, with an internal oscillator, eeprom, and a 28pin ssop package this is a serious little chip. They are using an sp481 or zt485 as the rs485 driver which are really a bad choice, since their data.
Some bytes are added, others just change, but most of them stay the same. But what do you do if youve got a laptop and need rs232 serial. The usb rs485 pcb is a usb to rs485 level serial uart converter pcb incorporating ftdis ft232rq usb to serial uart interface ic device which handles all the usb signaling and protocols. Mini usb to rs485 rs422 converter similar to part us485mio, however this converter also offers rs422 communication this surge and static protected usb to rs485 rs422 converter is powered from the usb port so there is no need for an external power supply. This breakout board includes the sp3485 rs485 transceiver, filter capacitor, and. Driverreceiver enable connected to rts line of ft232rl.
Schematic pdf and eagle files are for rs485 driver board, not the usb to rs485 converter board. The atc820 module is a costeffective way to convert usb interface to rs485 industrial buses. Usb to rs485 converter, usb converter, usb adapter, usb to rs485 adapter. This item gearmo mini usb to rs485 rs422 converter ftdi chip with screw terminals and windows 10 support dtech usb to rs422 rs485 serial port converter adapter cable with ftdi chip supports windows 10 8 7 xp mac 1.
Ft232r usb uart ic the ft232r is a usb to serial uart interface with the following advanced features. Gearmo mini usb to rs485 rs422 converter ftdi chip with. Downloads serial converters usb to serial rs232 adapters usb to rs485 rs422 accessories wireless rs232 serial serial to ethernet converter rs232 to rs485 converter, usb to serial adapter, rs232 to rs422 converter, serial ethernet converter, serial converter. Windows will attempt to install the driver software, but you may need to guide it the proper driver location of the unzipped files. Usb to rs485 serial port converter the new u485 is a usb to rs485 converter that converts the pcs usb port directly to a twowire rs485 interface. Sparkfun usb to rs485 converter this is the newest revision and fixes issues. This is a breakout board for the sp3485 rs485 transceiver ic, which will convert a uart serial stream to rs485. Usbrs485 ftdi, future technology devices international ltd. Single chip usb to asynchronous serial data transfer interface. This breakout board includes the sp3485, ft232, txrxrts leds, minib usb connector, filter capacitors, and other components shown on the schematic. Sparkfun astcan485 dev board in stock dev14483 the sparkfun astcan485 dev board is a mini arduino possessing onboard can control area network and rs485 ports enabling q.
Sparkfun usb to rs485 converter bob09822 this breakout board pairs an sp3485 rs485 transceiver with an ft232rl usb uart ic to convert a usb stream to rs485. If for whatever reason you dont get the option to choose the driver location, you can manually install the drivers using the following steps. Onboard can and rs485 transceivers allow for out of the box interfacing to any can or rs485 based network. Usb rs232 ftdi designs and supplies usb semiconductor devices with legacy support including royaltyfree drivers.
The usb 485b is a bidirectional usb powered rs485 to usb converter with builtin 120 ohm termination option, which makes a halfduplex rs485 available to a pc via the usb port. Usb to single port rs485 converter atc820 shenzhen atc. The driver is fully stable, but im receiving slightly different bytes than i received with the hexin converter. If i wanted a pc to get the most out of rs422 rs485, i would install a card on the mother board intended just for that not have the usb involved in anyway. Rdl usb to rs485 converter module ft232rl buy rdl usb to. Buy sparkfun electronics usb to rs485 converter breakout board. This breakout board includes the sp3485, ft232, txrxrts leds, minib usb connector. Sparkfun usb to rs485 converter board sparkfun electronics. Rs485 adapters, converters, isolators, accessories and technical data. With the proper drivers installed, the ft232rl will enumerate as a virtual. For most of these operating systems two types of driver are available. Supports windows 9598me, 2000, 2003, xp, vista,win7, ce, linux. Can and rs485 form the backbone of many communications protocols with applications in automation, industrial systems, building management, automotive systems, obdii, and many more. Usb to rs232 converter 6ft in stock cab14 there are a lot of devices out there that still communicate over rs232 but we bet your new laptop isnt one of them.
Ftdi chip is not in the schematic, but is on the board in the. The converter is powered directly by the usb port and hence minimal wiring is required to connect your pc to any devices that has twowire rs485 interface e. I suspect that sparkfun usb to rs485 converter is damaged, but its new. I want to create a usb to rs485 converter with auto switching between transmitting and receiving the data. Sparkfun usb to rs485 converter this is the newest revision and fixes issues with the last board.
Buy rdl usb to rs485 converter module ft232rl online at low price in india on. The vcp driver emulates a standard pc serial port such that the usb device may be communicated with as a standard rs232 device. Our usb to serial converter products can be used for any application whether it is for commercial or, industriall. It can convert any standard full duplex usb port to a rs485 signal in either direction via a com port on the host computer. The prime advantage that rs422 rs485 offers is clean fast asynchronous serial over long distances of wire. Even the rs232 standard is an older communication protocol it is still used by many modern devices in both business and consumer markets and is also often used for personal and. A serial converter typically converts data between either rs232, rs485, rs422, usb or tcp signals, however some converter designs have other special conversion features.
Plug in the breakout board to your computer via a usb a to b cable. The d2xx driver allows direct access to a usb device via a dll interface. Usb to rs485 converter module arduino, arduino, arduino. Sparkfun usb to rs485 converter in stock bob09822 this breakout board pairs an sp3485 rs485 transceiver with an ft232rl usb uart ic to convert a usb stream to rs485. This is a high quality, low cost, small, and easy to use usb to rs232 converter. We do lots of converting from ttl serial to usb using the ftdi and silicon labs ics. Ftdi usbrs485pcb and cables receive 00h because ftdi has. It seems, however, that the hexin converter had the right bytes. It features embedded protection circuits such as lightningproof, resettable fuse, r125. The sp3485 is a halfduplex transceiver, so it can only communicate one way at a time, but it can reach transmission speeds of up to 10mbps. The serialcomm usb 485b is a high quality, high performance bidirectional port powered usb to rs485 converter in a 9 pin format. The usbrs485 cable is a usb to rs485 levels serial uart converter cable incorporating ftdis ft232rq usb to serial uart interface ic device which handles all the usb signalling and protocols.
1306 1021 1186 1594 1465 902 1439 907 166 884 1355 997 1419 1293 326 1395 1098 927 1108 379 1589 119 891 912 1045 181 474 1111 18 204 466 1305 781 685 1141 367 1483 939 102 890 790 1255 412 1273