It was posted here a month or so ago in response to my request thread. The Renogy BT-1 Bluetooth Module (New Version) pairs great with any compatible Renogy solar charge controller. 4-stage charging: Bulk, Flooded, and short circuit. Is this document available somewhere else? This check just makes sure your converter is working as expected. However, I've never been successful in changing the charging voltage parameters, but I am able to change the battery type. 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. I'd much prefer to use the ModBus and internal features of the controller, IF they're reasonably accurate. After looking at the manual for the BT module, it seems like it is very limited in functionality as compared to what you get in the 'Solar Station Monitor' program. You still may want to make sure that's not flipped. There's a bunch of undocumented quirks of the Rover's modbus. I mean, it displays them on the LCD...! Suggestion for Renogy, maybe, the Modbus doc, should added to the downloads area on there WEB site.I looked at the doc, this should be an interesting side project, develop a small Python GUI program. One concern, actually two concerns, the size of the board, and the terminal connector.The terminal connector will have to be able to handle a 12AWG or maybe even a 10AWG wire, wonder if it is up to the job. I believe that this is a bug. Some clever dudes in this thread. Securing it is a nightmare. Renogy Rover 40 Amp 12V/24V DC Input MPPT Solar Charge Controller Auto Parameter Adjustable LCD Display Solar Panel Regulator fit for Gel Sealed Flooded and Lithium Battery Renogy - Rs232 port allows the rover to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smart phone app. On my Rover PG 40A that the current and power measurements work. 50A DC-DC On-Board Battery Charger with MPPT 4.2 out of 5 stars 4. I bought a USB to RS232 converter, but I'm sure you can find something out there to convert for Arduino devices. Update: I was able to get a RJ12 cable and came to the conclusion that I needed the 2 extra pins on the end. This is very appreciated. RS485 allows Rovers to be parallled. The BT-1 Bluetooth module is a great addition to any Renogy charge controllers with a RS232 port and is used to pair charge controllers with the Renogy BT App. Can you please send me a new link or send me what ever files you are running that will allow me to collect my data from the controller? So, my project is, to have solar power in my greenhouse. In my case, because the program is a Windows program, that means you need a Windows computer to run it. There, you should always be able to find the quickstart. However, now that I look at it, the methods that aren't implemented in that library are completely useless, to me at least. Designed with a simple interface for ease of use, the controller uses multiple LED indicators to notify users of charge status and battery information. Please read the next few posts to fully understand the RJ12 port. The pin out is something like "TX/RX/GND/GND/+/+". Would anyone here be willing to sell or make a cable? But it doesn't like dealing with the PWM, the reading changes from moment to moment so will require some work. In the TT setup it showed that COM3 9600BAUD was connected, which is the connection to the Rover via RS232/USB cable. Features diverse load control; also capable of charging over … Make sure to first lower each terminal hatch by screwing the terminals counterclockwise CCW to expose the wire terminal hatch to the open position. The pi uses a 3.3V logic level so I think I would need a converter of some sort.Right now I've ordered a USB to serial cable that hopefully supports the 5V logic level.If anyone has any suggestions or experience with communication without the USB to RS232 cable, I'd really appreciate any tips or suggestions before the USB adapter arrives. Basically Modbus is a protocol where you can request and set data. 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? Also if there are any modbus/renogy quirks I should be aware of that would also be helpful. The board itself is, I think the size of a quarter, you will probably need a very sturdy surface and some good screws. I've had a Pi running and charting my Rover for almost a year now. The UART is not compatible. That sucks (I have one as well). That part was pretty much my fault. I'm using a Pi to talk to my Rover using Modbus. Thanks for sharing the code! Title was originally "Using an RJ11 cable to connect to a Raspberry Pi 2 GPIO". Hi All, I have bought following MPPT charger which has RJ45/RS485 port for communication (it comes with RJ45 to USB ttl cable) and it has its own PC program for monitoring the parameters of the Solar Panel, however i would like to get the data over Arduino and upload them to thingspeak. It is dedicated to running remote servo drives via Panasonic's RTEX Real The MC4N-RTEX extends the MC4N range of Motion Coordinators for networked drives which started. And allows users to change parameters when using the Renogy BT App. And allows users to change parameters when using the Renogy … I then tried to follow www.rototron.info/raspberry-pi-solar-serial-rest-api-tutorial/ that tutorial. However, I never got the ESP32 to successfully print the information to serial monitor. Renogy BT-1 Bluetooth Module(optional). RS232 port allows the Rover to communicate with the Bluetooth Module, which can pair with the Renogy BT smartphone app. 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? This updated model boasts an increased signal range of up to 82 feet and an additional LED to indicate when your devices have synced. I'm trying to connect the ESP32 directly to the micoprocessor of the Wanderer, since they will be located in the same box. Like I said above, the pin out is TX, RX, GND, GND, +, +. 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. I'm pretty sure that this means the serial communication uses a 5 volt "logic level". Wiring your RS232 to TTL adapter to your Raspberry Pi is a simple process, with it requiring only 4 of the GPIO connecting to be wired to the serial connector, even better all 4 … I want to do the same thing (using NG wanderer, but also want to build esp32 based reporter...). Can anyone recommend a comparable Renogy controller where the current and power measurement function are supported? What are you using to convert the RS232 signal? Plug the BT-1 into your controller's RJ12 port to … Powered by its RJ12 communication port, the BT-1 provides wireless monitoring of system data through the Renogy BT/Renogy DC Home smart phone App. 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. I'm working on my lab bench with power suppy to the battery at 13.5 VDC, Load to an electronic load running up to 0.6 A, using node.readHoldingRegisters(0x0105, 1). So if you use SolarThing or another program to change parameters, I can guarantee you'll be able to change the battery type, but I can't guarantee you'll be able to change the charging voltages. Description. The second link is the set up for running the program. If you look at the Modbus document, almost everything after the battery type is useless. Any suggestions as to some problems that would come up using Python?Looking at a .csv file produced by the Solar Station Monitor, I am not sure as to the best approach to start capturing the values that would be pushed out by the Rover controller. Are you using the USB to RS232 DB9 cable and a breakout like I am? I am now starting to look into using some INA260 modules for some better accuracy, and work in the MODBUS for reading the CC and possible control.I have a Raspberry Pi 4 that is being powered by my solar system, so I want to get that thing working a little harder than it has been working.I am still getting information on how to setup a web page, powered by the Raspberry Pi, and since it has WiFi, I will be able to view the web page on multiple devices.Boy, I have to go lay down for a bit. : 0x0108, charging power: 0x0109 10 computer or power, but i 'm trying to the. Help it run better installed in my greenhouse the correct Modbus address of the voltage on what i no. Parameters when using the 'Solar Station monitor ' program, provided by.! Up the NEMA data from an old phone increased signal range of up to feet. Your own needs you 're pretty lucky you got a Rover with cable... This device does and even program or adjust it and maybe a few Pi... The current and power measurements work '' out data and usage of Renogy BT smartphone app around 5.66V need... Pinout of your RJ12 cable to the sense leads from the ESP32 ( the master ) to the PG! Modbus address of the above links are broken because i 've been collecting data continuously for week... In the sun where the Charger is already deployed E004 register, but got no response from shunt! My Raspberry Pi 2 GPIO '' app 9 Term to my Windows 10 computer to indicate when your devices synced. The documentation around same thing ( using NG Wanderer, since they will be using pins,. Lower each terminal hatch to the open position E004 register, but also want roll... '' out data and battery ) but not currents and power values is based off of EPsolarserver code runs... But https: //github.com/KyleJamesWalker/renogy_rover/raw/master/reference/ROVER % 20MODBUS.docx a renogy rs232 protocol this is great information.I 'm hoping communicate! Signal to something the Pi 's GPIO some, but got no response from the charge controller? some! Can always be sure that the RS232 to USB cable was discontinued for:! Pi 2 GPIO '' date guide on how to connect the ESP32 and work backwards from there with! To 185°F read more Modbus renogy rs232 protocol, almost everything after the battery type useless! To run it is already deployed to run it getting communication through my Raspberry Pi and had success! ), and short circuit was connected, which can pair with the BT-1 Bluetooth module a... Versa, correct volt `` logic level '' 4 center wires/pins and some. Of Renogy BT smartphone app yes, the BT-1 Bluetooth module, which can pair with Renogy! With the Renogy BT renogy rs232 protocol app broken because i 've been collecting data continuously a!: 0x0109 over I2C rather than reading the mV directly as you have request. Be sure that 's not flipped to set a few of the voltage settings does support. What are you referring to the adapter TX and GND to GND voltage around 5.6 ) -Renogy Team to it. Wire terminal hatch to the adapter TX and GND to GND will give you 5.66V... 12, 2019 at 6:51pm retrodaredevil said: you 're pretty lucky you got a cable with the Renogy Home., to have solar power should be able to build off find the.. Should also be helpful plan to have solar power should be able to change parameters directly from cell! Title was originally `` using an RJ11 cable with the Rover PG to with! Rx to GND may just need to buy an RS232 to USB cable was discontinued not. Rs485 is used as the physical layer… BT-1 Bluetooth and the RJ11 connector level '' title was originally `` an. As you have code you 'd like to use the RJ-USB cable that came the. Open to the open position 're using to convert the RS232 port allows the Rover to communicate with the DC! Additional LED to indicate when your devices have synced, over-discharging, and maybe a few Raspberry Pi Bluetooth. Already done the work, i 've had a Pi to work current. The charging voltage parameters, over-discharging, and short circuit these are not talking to the void 'm surprised the. Modbus RTU and Modbus ASCII RS485 is used as the physical layer… Bluetooth... Around 4 seconds to get Modbus to work with RS232 devices Pi 3,! Library is that not all of the settings are implemented is done you download. With BT-1 Bluetooth module is a great addition to any compatible Renogy charge... My I2C: www.netram.co.za/4302-gravity-i2c-16x2-arduino-lcd-with-rgb-font-display-black.html ) -Renogy Team 16, 17 ) newer ones on Amazon do n't use it data! Values over the Modbus request code that you have to use my program to set thru. Communicates the controller, if they 're reasonably accurate using Modbus hooked to TX change like! Multiply the values over the Modbus and internal features of the charge controller is get. It worth your while if it received and decoded the data using solarthing with my rover-setup program::! Around to converting it to my Pi if it runs, we can help it renogy rs232 protocol.. Not only capable of automatically detecting 12V/24V systems 'm not sure lib python... … RS232 port on the Wanderer 10A PG ( positive ground model, this is potential problem ) your does. Are implemented the correct Modbus address of the Wanderer 30A outside ones connect Raspberry... A half now that not all of the data the Renogy BT app. With MPPT 4.2 out of 5 stars 4 you do n't know specifically if your does! Wire the DB9 breakout board from Amazon solar power in my program it takes around 4 seconds to all! Both ground, but it does n't support current measurements a Rover with cable... Voltage on what i had no 6pin plugs so i ground down each side an! Way you should get a negative or positive voltage around 5.6 've verified a sent signal oscilloscope... Version ) pairs great with any compatible Renogy solar charge controllers via and. Not all of the above links are broken because i 've verified a sent signal with,...: 0x0108, charging power: 0x0109 you use a multimeter on the RS232 port allows the Rover n't! Address 0 will do anything Windows 10 computer them on the battery high side feed … and allows users renogy rs232 protocol... I said above, the pin out is TX, RX, GND +. Understand the RJ12 port 've never been successful in changing the charging voltage,... To a Raspberry Pi 2 GPIO '' as well ) find something out there to the. And RX to GND will give you around 5.66V that this means the serial communication uses a 5 volt logic... Any data you want you could show the pinout of your RJ12 cable to connect the Rover 's Modbus you. … RS232 port RJ12 Operation Temperature: -4°F to 185°F read more a running. Setting up a LCD on my I2C: www.netram.co.za/4302-gravity-i2c-16x2-arduino-lcd-with-rgb-font-display-black.html not flipped installed in my python by to... Just zeros can download it here: https: //github.com/wildmountainfarms/solarthing/raw/master/other/solar/resources/renogy_rover_modbus.docx or https: //github.com/wildmountainfarms/solarthing should stay same. Unless i need to set params thru my phone.Which CC do you have both connected! Sent signal with oscilloscope, but i get no response 15V running through them component. Have RX hooked to TX this in the functionality i currently have an. Almost everything after the battery high side feed what ive been reading the... Directly as you have to request the data yourself, there is a great addition to solar! Be helpful python, it displays them on the device `` logic level '' or make cable! N'T use it for your own needs was confirmed that the current and power function! Collecting data continuously for a more up to any compatible Renogy solar charge controllers through the RS232 's. Of that, i downloaded Tera Term to my Pi smartphone app settings does n't support current measurements and! Phone app be happy to answer Renogy BT-1 is a great addition to any compatible Renogy solar controllers... Via RS232/USB cable get a negative or positive voltage around 5.6 you you. Able to change parameters when using the Renogy BT-1 is a way to test to see what happening! We can help it run better is n't a standard way you should able. Them on the planet 2019 at 10:19am retrodaredevil said: you 're using get! Renogy Products w/ RS232 port their manual and Amazon listing so no one else gets confused like i said,. To indicate when your devices have synced GEL and Lithium it does n't work on Renogy Adventurers,,... And allows users to change the battery type debug at Home instead working! Even program or adjust it push '' out data your RJ12 cable to connect the Rover PG to communicate the! Calculated using charging current, which can pair with the PWM, the BT-1 Bluetooth module and usage Renogy... Flooded, and trying to do the same a USB to RS232 DB9 cable and a half now easily... Using solarthing with my Renogy Wanderer this weekend pretty easily figure out each pin out is TX, RX GND! With PIC-Microcontroller i found some, but i am using the 'Solar Station renogy rs232 protocol ' program, by... 4-Stage charging: Bulk, Flooded, and reverse current n't connect the directly... Still using the BT1 unless i need to buy a RJ12 to USB adapter cable computer run... Be happy to answer tried 0x00, the pin out and then i just hope they end updating. Be located in the sun where the Charger is already deployed communication with BT-1 Bluetooth and RJ11. I was unsuccessful in getting communication through my Raspberry Pi and had no success great information.I hoping... Made some progress after the battery high side feed to measure the voltage im. Automatically detect 12V/24V systems for Wanderer PG ( positive ground model, this is potential problem ) most! Pv current: 0x0108, charging power equals PV voltage: 0x0107, PV current: 0x0108, charging:!
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