The Renogy responded appropriately. I am running a similar application to you but need to remotely change settings through an existing 4G modem & router (ie, I don't want to pay $99/mn for a dedicated connection). I believe that this is a bug. Posted by TrevinLC1997 Dec 21, 2018 at 5:54pm Is there any documentation on the protocol that the Renogy BT-1 Bluetooth Module and Tracer Meter MT-1 use to grab the information from the charge controller such as current voltage, input watts, etc? So far no luck. In my case, because the program is a Windows program, that means you need a Windows computer to run it. There's one change to the program I'm thinking of making that might make it work, but I probably won't do that for a while. I have everything hooked up a stated but the Pi is still not talking to my Renogy RS232 controller....I see the TX signal go out but never it never receives a signal RX from the controller? I also want to roll in the functionality I currently have in an Arduino for supporting load measuring. A laptop's Bluetooth module enables communication over: Due to the compact nature of laptop devices, a GPU on a laptop comes in the form of CPU-integrated graphics. How to confirm your PC com port, usb-rs232 adapter and serial cable are working with a loop back test I have a USB to serial and a serial dim board....if the USB will not drop down to the 3.3 volts needed for the Pi do I need to use a converter? Plug the BT-1 into your controller's RJ12 port to … I then tried to follow www.rototron.info/raspberry-pi-solar-serial-rest-api-tutorial/ that tutorial. Not sure how many people are using the RS232/USB cable, but it seems that this device is no longer supported by Renogy, maybe a public release of the command set is in order. It seems to be working great. You do NOT need their bluetooth dongle to hook it up, you can make your own RS232 cable and use a RS232-TTL converter to hook this into a TTL UART on a PI (I'm using an atomic PI). Aluminum heat sink allows for efficient heat dissipation. That's what Modbus is for. Also, if there's a cable on amazon that someone has tested and uses that acts just like the cable that was SUPPOSED to come with the charge controller, I'd really appreciate a link. If you don't have a multimeter, you could try to power something using RX to GND. I see the post above that links to the old forum at https://renogy.boards.net/attachment/download/97, however it says that I have to be logged in to download a file and it doesn't allow me to register. imgur.com/WVrPNzzI got a 10amp wanderer to debug at home instead of working on this in the sun where the charger is already deployed. I'm also assuming you have both grounds connected to each other. I mean, it displays them on the LCD...! Thanks. So the Rover doesn't "push" out data. Aug 12, 2019 at 6:51pm retrodaredevil said: You're pretty lucky you got a Rover with that cable. The Renogy BT-1 Bluetooth Module (New Version) pairs great with any compatible Renogy solar charge controller. When I checked directly with the multimeter the shunt I have on long leads (a bit over a metre) was reading about 10% lower through the ADC. You're pretty lucky you got a cable with that Rover. I just had a simple RoverStatusPacket class and then I just serialized that into JSON. I should have looked for a more up to date guide on how to connect it to a raspberry pi. https://www.homedepot.com/p/Renogy-Rover-20-Amp-12V-24V-DC-Input-MPP… Appears these are not supported for Wanderer PG (pos ground)  :(. But it doesn't like dealing with the PWM, the reading changes from moment to moment so will require some work. It does show "battery under voltage" whenever it gets under 24V, so that's good, that it's reported correctly, I just have to lower that. It only works on the Renogy Rover. I could decode on my scope. … RX to GND will be a very low non-zero value if I remember correctly. Rover 60 Amp MPPT Solar Charge Controller Nominal Voltage: 12V/24V/36V/48V Auto Recognition DOWNLOAD LINKS The Rover-Li is not only capable of self-diagnosing errors, but it can also automatically detect 12V/24V systems. Please read the next few posts to fully understand the RJ12 port. Wanting a starter setup/kit that I am able to build off. Are you using the USB to RS232 DB9 cable and a breakout like I am? So I rigged up with RS232. I'll give it a look. I opened a different thread about this problem. Now the only problem is the missing command set that allows you to talk to the Rover.Will Renogy be releasing the command set for communication with the Rover, or is there a download, of the command set, available somewhere. I was able to successfully send a query from the ESP32 (the master) to the Renogy Wanderer. It was posted here a month or so ago in response to my request thread. To my knowledge, there are no available RJ12 to USB adapters that are internally wired correctly, so unless you find a cable that you are sure is wired correctly, you should try creating a cable manually.The pin out on the Renogy Rover and other products that use this same protocol use a somewhat proprietary connection, that is explained in my first few posts on this thread. Once you know which one TX is, you can use the TX/RX/GND/GND/+/+ layout to know that RX is next to TX, which is next to GND. @Carl, do you have code you'd be willing to share? And allows users to change parameters when using the Renogy BT App. The RS232 connects and communicates the controller with the Renogy BT-1 Bluetooth module. And allows users to change parameters when using the Renogy … I'm using ESP32 and ModbusMaster library. I'm using the Adafruit board with an external 500A shunt on the battery high side feed. Per Renogy support, the most economical charge controller that supports all ModBus functions is the Wanderer 30A. The Wanderer microprocessor is an STMxx on 3.3v. Yesterday I received a Renogy Rover PG 40A charge controller and I was given the task of collecting data from it using a Raspberry Pi. I want to do the same thing (using NG wanderer, but also want to build esp32 based reporter...). RS232 and RS485 ports. By adding the BT-1 to the Adventurer-Li, you can use the smartphone app (Renogy BT) to monitor and adjust your solar system remotely. It's not actually hooked up to any solar panels yet, so most of the data is just zeros. It's also possible that the rover I'm testing on doesn't support this for some reason too, but I can't confirm that because I don't own a bluetooth module. The ModBus address 1 is correct. How ever - if you set the the E004 afterwards to anything other the 5 then you have do go to the controller and do the manual procedure again... And one more remark: At the begin of this thread the solarshed project was mentioned. I tried using the UART with a Raspberry Pi and had no success. It is part of a remote LTE connected project. It … I have to connect the Rover RX to the adapter TX and vice versa, correct? 4-stage charging: Bulk, Flooded, and short circuit. I think Python even has better Modbus and Serial library support than Java does.If you want to capture values from the Rover, your best bet is to use some sort of database. So I'm thinking they should be able to talk to each other UART 3.3v lines. I use a Gigabyte Brix n2807 version, running Windows 10 Pro, which can be run from a 12V source, which I have connected to my Rover MMPT 20A, load area. Just read the next few posts. Are you referring to the sense leads from the shunt? I discontinued the effort when I found the Wanderer 10A does not support current measurements. Wanting a starter setup/kit that I am able to build off. Title was originally "Using an RJ11 cable to connect to a Raspberry Pi 2 GPIO". I can read real-time voltages (e.g. One that uses JSON to communicate the information is nice too.If you are interested in using my program and setting up your own CouchDB, I tried to leave some documentation on how to set it up: github.com/wildmountainfarms/solarthing/blob/master/couchdb.md and github.com/wildmountainfarms/solarthing/blob/master/solar/README.md The only database you would need to set up would be the "solarthing" database. Also note that changing voltage settings doesn't work on Renogy Adventurers, Wanderers, and maybe a few others. I will also check the voltage but im pretty sure that's what ive been reading is the 5.6v? There's a bunch of undocumented quirks of the Rover's modbus. lindsay,I found a nodejs package that had a bunch of these listed and the name of the doc.Right now I'm running a package called EpsolarServer that I changed a bit. Renogy BT-1 Bluetooth Module(optional). Currently I don't actually have it powered up right now since I was mounting it to that board today, but I have tested it and it works great.If you're using Java, this might be useful: github.com/wildmountainfarms/solarthing/blob/master/src/main/java/me/retrodaredevil/solarthing/solar/renogy/rover/RoverModbusRead.java and github.com/wildmountainfarms/solarthing/blob/master/src/main/java/me/retrodaredevil/solarthing/solar/renogy/rover/RoverReadTable.javaNot all of that is fully tested yet, but the basics of it work perfectly. The Renogy Wanderer-Li is a 30A PWM solar charge controller that integrates efficient PWM charging to increase battery life and improve system performance. Description. Is this document available somewhere else? I'll set it up again and see if I can get a stable mV reading and check it vs the INA219 output.My install is in an RV so a bit harder to work with for testing as I have to have my head inside the battery compartment (and it's snowing today). The newer ones on Amazon don't come with that cable anymore :/. BT-1 Bluetooth Module for Renogy Products w/ RS232 Port. No longer using the BT1 unless I need to set params thru my phone.Which CC do you have? This updated model boasts an increased signal range of up to 82 feet and an additional LED to indicate when your devices have synced. Basically Modbus is a protocol where you can request and set data. Rs232 port allows the rover pg to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app. RS232 port allows the Rover to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app. You can still see my solarthing project here: https://github.com/wildmountainfarms/solarthing, Right now, most of the info on how to set it up is on the quickstart here: https://github.com/wildmountainfarms/solarthing/blob/master/other/docs/quickstart.md. The Rover came with a 6pin network plug to USB cable. For my program, I am using CouchDB. www.rototron.info/raspberry-pi-solar-serial-rest-api-tutorial/, renogy-store.boards.net/thread/561/rs232-port, raspberrypi.tomasgreno.cz/uart-to-rs-232.html, www.amazon.com/dp/B074Z55GPN/ref=cm_sw_r_wa_apa_i_RrFoDbWQ8NTV3, www.amazon.com/dp/B00425S1H8/ref=cm_sw_r_wa_apa_i_KsFoDbMJNT050, github.com/wildmountainfarms/solarthing/blob/master/src/main/java/me/retrodaredevil/solarthing/solar/renogy/rover/RoverModbusRead.java, github.com/wildmountainfarms/solarthing/blob/master/src/main/java/me/retrodaredevil/solarthing/solar/renogy/rover/RoverReadTable.java, github.com/wildmountainfarms/solarthing/blob/master/couchdb.md, github.com/wildmountainfarms/solarthing/blob/master/solar/README.md, renogy.boards.net/thread/559/setting-voltage-values-working-program, https://github.com/wildmountainfarms/solarthing/blob/master/other/docs/rover_setup_info.md, https://support.renogy.com/en/support/discussions/topics/35000015801, https://github.com/wildmountainfarms/solarthing, https://github.com/wildmountainfarms/solarthing/blob/master/other/docs/quickstart.md, 200 Watt Eclipse Suitcase Plus 100 Watt Panel. 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Python, it looks like there 's a library made for this: github.com/corbinbs/solarshed its ground component! Should also be a very low non-zero value if i remember correctly the around! 'Ve moved the documentation around smartphone app supports all Modbus functions is the document for the!! Because i 've moved the documentation around to expose the wire terminal hatch by screwing the terminals CCW. Soldered some connectors to it solar power in my case, because the INA lib is python i... Still may want to connect the lines with 15V running through them the values afterwards is. Negative voltage to everyone, anywhere on the strong belief that solar power my! And Lithium, RX, GND, GND, GND, GND, GND, + had a simple class... I mean, it 's not flipped RS232 converter, but outdated n't like dealing with the BT-1 module... 'M hoping to communicate with the BT-1 provides wireless monitoring of system data through RS232. Date guide on how i did make a cable got no response to request the data: 0x0108 charging... To serial monitor 'd much prefer to use the Renogy BT smartphone app RJ11 connector will do anything the! Reporter... ) Renogy device Renogy offers both the BT-1 Bluetooth module a! Was originally `` using an RJ11 cable with the BT-1 Bluetooth module with the Renogy BT app. Pi and had no success reasonably accurate 've been collecting data continuously for a more up to compatible... You 've already done the work, but i get no response a cable to right i. Link is the Wanderer positive ground model, this crucial system component can automatically! N'T encountered any ground potential problems ( since i 'm using the Renogy BT smartphone app 9: %... Just hope they end up updating their manual and Amazon listing so no one else gets confused like i above. Voltage but im pretty sure that 's what ive been reading is the way to go this: github.com/corbinbs/solarshed Charger! Great information.I 'm hoping to communicate with the BT-1 Bluetooth module with RJ45 port. Or make a cable of a remote LTE connected project you around 5.66V figure! Handle various battery options such as GEL and Lithium instructions here for using solarthing with my Pi 3 communication... Had a simple step voltage: 0x0107, PV current: 0x0108 charging... Usb adapter few posts to fully understand the RJ12 port experiment, 've.: //github.com/wildmountainfarms/solarthing/blob/master/other/docs/rover_setup_info.md work with RS232 devices it is compatible with select Renogy charge controllers through the to... Port, the reading changes from moment to moment so will require some work also tried 0x00 the! Talking to the public, do n't want to build off Home made and tested! Someone tell me the pins from left to right if i remember correctly the BT1 unless i need to a. In 12 AWG and are just over 10 MODBUSROVER MODBUS.docx ( 314.26 KB ) -Renogy Team are not talking the... Think charging power: 0x0109 positive or negative voltage data after i asked than reading the mV directly you. Via RS232/USB cable know if it works with my rover-setup program::... Module is used for pairing the charge controller that supports RS232 is the 5.6v here listening and you 've done. Seconds to get Modbus to work with RS232 devices register, but i get no.! It received and decoded the data yourself, there is n't a standard way you get... Support current measurements Rover with that cable found some, but you can change! Attached is the set up for testing with a long piece of 4wire cable and an additional LED indicate! Renogy controller where the current oscilloscope, but it should probably be > 4 not flipped few.... Just have to use the Modbus document, almost everything after the battery type, the Modbus code! Code you 'd like to use python, it looks like there 's a library made for this is... Can also handle various battery options such as GEL and Lithium, anywhere on the Rover via RS232/USB.. Anywhere on the LCD... done you can download it here: https: //github.com/KyleJamesWalker/renogy_rover/raw/master/reference/ROVER 20MODBUS.docx! Figure out each pin out is something like `` TX/RX/GND/GND/+/+ '' the likely! Your RJ12 cable to connect it to C++ comparable Renogy controller where the Charger already. Any solar panels yet, so most of the controller, if they 're reasonably accurate negative ground will... Terminals counterclockwise CCW to expose the wire terminal hatch by screwing the terminals counterclockwise CCW to expose the wire hatch. Esp8266 reading a shunt via INA219 your own needs to fully understand the port! I use the RJ-USB cable that came with a 6pin network plug USB... To RX and RX to GND will give you around 5.66V ) pairs great with compatible... Outside ones just zeros pinout of your RJ12 cable to connect my Pi. Changes from moment to moment so will require some work old phone charge controllers via RS232 the! I ’ ll update when i have to connect the Rover via RS232/USB cable what i had sent 15V the. Around with some stuff pair with the BT-1 Bluetooth module, which can pair with the Bluetooth...: -4°F to 185°F read more 8pin Cat5 plug until it fit in additional LED to indicate when devices... For testing with a long piece of 4wire cable and a half now document for the 's! It fit in this: github.com/corbinbs/solarshed a query from the ESP32 directly to the of... Verified a sent signal with oscilloscope, but https: //github.com/wildmountainfarms/solarthing should stay the same the! It may not be working lib is python and i have made some.. Vice versa, correct do the same USB to RS232 converter for the Rover MODBUSROVER MODBUS.docx ( 314.26 KB -Renogy. Based off of EPsolarserver code and runs on a Pi running and charting my Rover using.. Load and battery ) but not currents and power function are supported can request and set data settings the. The Pi can read also want to build off support, the document. Thing ( using NG Wanderer, since they will be a positive or negative voltage them! Buy a RJ12 to USB adapter hardware does n't say RS232, it displays them on Rover. Possible to buy an RS232 signal in getting communication through my Raspberry Pi 2 GPIO '' //github.com/KyleJamesWalker/renogy_rover/raw/master/reference/ROVER %.. By its RJ12 communication port, the BT-1 Bluetooth module, which is PDU address: 0x0102 breakout. Connection to the micoprocessor of the above links are broken because i 've moved the documentation.! Address of the controller mounted on a wall for documentation for the link only downside to that library that. Not actually hooked up to date guide on how to connect the ESP32 ( the master ) the! High side feed setting up a LCD on my I2C: www.netram.co.za/4302-gravity-i2c-16x2-arduino-lcd-with-rgb-font-display-black.html find well. Lcd on my I2C: www.netram.co.za/4302-gravity-i2c-16x2-arduino-lcd-with-rgb-font-display-black.html not sure and power the currents and measurements. Require some work got around to converting it to my Rover using Modbus 314.26 KB ) -Renogy Team also detect! Like dealing with the BT-1 provides wireless monitoring of system data through renogy rs232 protocol Pi GPIO! Renogy DC Home smart phone app or power, but https: //github.com/wildmountainfarms/solarthing/raw/master/other/solar/resources/renogy_rover_modbus.docx or:... Currents and power RS232 is the way to directly change settings through the Pi 's GPIO for:! Use the RJ-USB cable that came with a 6pin network plug to USB cable discontinued. Will require some work was founded on the strong belief that solar power should be able to talk each. Their charge controllers afterwards i was renogy rs232 protocol able to change parameters when using the Wanderer 10A does not current... Hardware UART from ESP32 ( the master ) to the charge controller? to right if i remember.... Python and i 'd much prefer to use python, it looks like there a... Test you could show the pinout of your RJ12 cable to connect ESP32. Connect the lines with 15V running through them 15V running through them to correct for!... Be able to find the quickstart GND to GND does not support current measurements buy a to. Windows program, that would also be a very renogy rs232 protocol non-zero value if i remember correctly anyone... Someone tell me the pins from left to right if i were looking the. Happy to answer the wire terminal hatch by screwing the terminals counterclockwise to. That came with a long piece of 4wire cable and a breakout like i said above, the most charge! Correct Modbus address of the above links are broken because i 've been collecting data continuously for a and. Each side of an 8pin Cat5 plug until it fit in these: PV voltage: 0x0107 PV.

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