If you ever plan to have CouchDB open to the public, don't use it. I believe that this is a bug. Once I did that it was too late. This updated model boasts an increased signal range of up to 82 feet and an additional LED to indicate when your devices have synced. So I have a hardware UART from ESP32 (Serial2, pins 16, 17). I just had a simple RoverStatusPacket class and then I just serialized that into JSON. Another test you could do is measure the voltage on the RS232 converter's TX to its ground. 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. It seems like the wire that I am working with has a coil to it, and that coil is always trying to return back to its coil shape after it gets straighten out. I'm also assuming you have both grounds connected to each other. 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?I want to connect my Raspberry Pi to the charge controller and connect it to my network to mess around with some stuff.Thanks. RS232 port allows the Rover PG to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app 9. So the 10A doesn't support current measurements? I'm using Renogy Wanderer 10A PG (positive ground), and trying to get modbus to work. Can someone tell me the pins from left to right if I were looking at the controller mounted on a wall? If you look at the Modbus document, almost everything after the battery type is useless. renogy.boards.net/thread/266/rover-modbus, www.netram.co.za/4302-gravity-i2c-16x2-arduino-lcd-with-rgb-font-display-black.html, https://renogy.boards.net/attachment/download/97, https://github.com/wildmountainfarms/solarthing/raw/master/other/solar/resources/renogy_rover_modbus.docx, https://github.com/KyleJamesWalker/renogy_rover/raw/master/reference/ROVER%20MODBUS.docx, 200 Watt Eclipse Suitcase Plus 100 Watt Panel. Make sure you don't get the Rover's ground and RX mixed up because measuring the voltage between the Rover's RX and Rover's TX should also give you ~5.6V, making them easy to get confused. It only works on the Renogy Rover. Another way to test to see what's happening is use a multimeter on the Rover's TX to ground. Very interesting. If it runs, we can help it run better. I have to connect the Rover RX to the adapter TX and vice versa, correct? If you use a multimeter, you can pretty easily figure out each pin out. Please read the next few posts to fully understand the RJ12 port. Does anyone have a wiring diagram that I can use to wire this to my pi. Renogy BT-1 Bluetooth Module(OPTIONAL). Make sure your serial port is using RS232. Still using the ESP because the INA lib is Python and I haven't got around to converting it to C++. Thanks!EDIT:If you could show the pinout of your RJ12 cable to the DB9 breakout, that would be great. It's written in C++. I've been collecting data continuously for a week and a half now. I might just multiply the values in my python by 1.1 to correct for this! I'd much prefer to use the ModBus and internal features of the controller, IF they're reasonably accurate. I measured the voltage on what I had actually connected and I realized I had sent 15V through the pi's GPIO. The Rover-Li is not only capable of self-diagnosing errors, but it can also automatically detect 12V/24V systems. (I haven't found a use for the unimplemented data anyway)There wouldn't be any problems that come up using Python at all. 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. TX to RX or GND will give you around 5.66V. RS232 allows the Rover to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app. Is this document available somewhere else? I think I'm going to eventually look into MongoDB.TDLR: If you want to store data from the Rover, use a no-sql database that is document based. Thanks Joshua, I have just put together the same setup that you are using with the RS232 to USB adapter and wire the DB9 connection.....I have everything plugged in but cannot find the files to run.....when I click on the links above it says that they have been removed from https://github.com? Yes, this uses quite a bit of juice when you do a start up, so I was thinking of using a Raspberry Pi.Since I am not a Java tinkerer, I would like to use Python instead. I had no 6pin plugs so I ground down each side of an 8pin Cat5 plug until it fit in. I'm using a Pi to talk to my Rover using Modbus. I also want to roll in the functionality I currently have in an Arduino for supporting load measuring. This updated model boasts an increased signal range of up to 82 feet and an additional LED to indicate when your devices have synced. Do you know if there is a way to directly change settings through the RS232 port on the device? Then you can communicate with the device and get everything this device does and even program or adjust it. I’ll update when I have made some progress. Powered by its RJ12 communication port, the BT-1 provides wireless monitoring of system data through the Renogy DC Home smart phone App. I bought a USB to RS232 converter, but I'm sure you can find something out there to convert for Arduino devices. 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. The Wanderer microprocessor is an STMxx on 3.3v. That sucks (I have one as well). 60A MPPT Solar Charge 7.4/10 our score RS232 port allows the Rover to communicate with the Bluetooth Module, which can pair with the Renogy BT smartphone app. Thanks, got it. RX to GND will be a very low non-zero value if I remember correctly. I'll give it a look. I opened a different thread about this problem. I hooked TX to RX and RX to TX and GND to GND. I was successful in creating a DIY cable. Also if there are any modbus/renogy quirks I should be aware of that would also be helpful. The second link is the set up for running the program. I can also verify with Siglent 1104x decoding. Title was originally "Using an RJ11 cable to connect to a Raspberry Pi 2 GPIO". Like I said above, the pin out is TX, RX, GND, GND, +, +. If your hardware doesn't say RS232, it's not going to work with RS232 devices. Wanting a starter setup/kit that I am able to build off. I'm trying to connect the ESP32 directly to the micoprocessor of the Wanderer, since they will be located in the same box. I don't know if the broadcast message using address 0 will do anything. Rs232 port allows the rover pg to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app. I'm looking for documentation for the serial protocol. I also hope you used a multimeter to make sure you don't connect the lines with 15V running through them. Any data you want, you have to request. How to Use Modbus With Raspberry Pi: Modbus is a serial communication standard and has become a de facto standard communication protocol and is now a commonly available means of connecting industrial electronic devices. Many of the above links are broken because I've moved the documentation around. Securing it is a nightmare. Wish I had this a year ago, had to work these all out on my own at the time But nice to see if I missed anything! Wanting a starter setup/kit that I am able to build off. It might work, but I'm not sure. Just read the next few posts. 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. I'd really hate to have the hardware working correctly and be thinking that something is wrong with the hardware when it's really a problem with software. Because of that I'm thinking of updating my program to cache some of the data that won't change since it really shouldn't take that long.I'd be interested in how well your program works and if you find a bug in my program, let me know.I'd also be interested to know the differences in the data that is available to the Wanderer compared to the Rover. Update: I was able to get a RJ12 cable and came to the conclusion that I needed the 2 extra pins on the end. I haven't encountered any ground potential problems (since I'm using the Wanderer positive ground model, this is potential problem). And if not, why? The RS232 connects and communicates the controller with the Renogy BT-1 Bluetooth module. Can anyone recommend a comparable Renogy controller where the current and power measurement function are supported? 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. Automatically detects 12v/24v/36v/48v dc system voltages. I'm currently trying to do something similar, so this is great information.I'm hoping to communicate with my renogy wanderer this weekend. I'm pretty sure that this means the serial communication uses a 5 volt "logic level". Yes, the modbus thing is supposed to be able to change stuff like the charging settings. There are many reasons it may not be working. This was a really good starting point because you can easily modify the driver and use it for your own needs. 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. Automatically detects 12v/24v/36v/48v dc system voltages. Features diverse load control; also capable of charging over … I've been using 0x01. Renogy was founded on the strong belief that solar power should be available to everyone, anywhere on the planet. BT-1 Bluetooth Module for Renogy Products w/ RS232 Port. 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? I just hope they end up updating their manual and Amazon listing so no one else gets confused like I did. Aug 24, 2019 at 10:19am retrodaredevil said: So is it possible to buy a RJ12 to USB adapter? Designed with a simple interface for ease of use, the controller uses multiple LED indicators to notify users of charge status and battery information. I also have an ESP8266 reading a shunt via INA219. Powered by its RJ12 communication port, the BT-1 provides ... Communication Protocol RS232 Port Type RJ12 Status Note All Renogy Controllers with RJ12 port Compatible Models Green Power Indictor: 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. 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. 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 use the RJ-USB cable that came with the Rover. Have you found it to be accurate? Rover 60 Amp MPPT Solar Charge Controller Nominal Voltage: 12V/24V/36V/48V Auto Recognition In Modbus RTU and Modbus ASCII RS485 is used as the physical layer… I'm running a Wanderer 10amp PWN. The only downside to that library is that not all of the settings are implemented. I should have looked for a more up to date guide on how to connect it to a raspberry pi. I tried using the UART with a Raspberry Pi and had no success. There, you should always be able to find the quickstart. I'm going to use the Renogy Wanderer Li and thanks for the link! 50A DC-DC On-Board Battery Charger with MPPT 4.2 out of 5 stars 4. Is that correct? The pin out is something like "TX/RX/GND/GND/+/+". Renogy BT-1 Bluetooth Module(optional). Communication Protocol: RS232 Port Type: RJ12 Operation Temperature: -4°F to 185°F Read more. I may just need to buy an RS232 converter for the ESP32 and work backwards from there. Even though it was an RJ45 cable, I just ignored the first two and last two pins and treated it like a RJ11 cable since it was just 3 pins in the middle that were being used. Awesome. It is part of a remote LTE connected project. The Renogy BT-1 is a great addition to any compatible Renogy solar charge controllers. The Renogy BT-1 is a great addition to any compatible Renogy solar charge controllers. The Wanderer is the charge controller, and I want it to talk to an ESP32 which is the brains of the greenhouse and communicate back home. Would anyone here be willing to sell or make a cable? Using the breakout, you will be using pins 2, 3, and 5. However, I've never been successful in changing the charging voltage parameters, but I am able to change the battery type. So, my project is, to have solar power in my greenhouse. Attached is the document for the Rover MODBUSROVER MODBUS.docx (314.26 KB)-Renogy Team. 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 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? The Renogy BT-1 Bluetooth Module (New Version) pairs great with any compatible Renogy solar charge controller. Key Features You've already done the work, I don't want to mess up such a simple step. I will also check the voltage but im pretty sure that's what ive been reading is the 5.6v? The board itself is, I think the size of a quarter, you will probably need a very sturdy surface and some good screws. Also note that changing voltage settings doesn't work on Renogy Adventurers, Wanderers, and maybe a few others. Aluminum heat sink allows for efficient heat dissipation. Also, if you need to do a one time setup, using the bluetooth module and an Android phone would be cheaper than their remote monitoring stuff. Can be home made and I'd make it worth your while if it works with my PI 3. If you don't have a multimeter, you could try to power something using RX to GND. 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. How to confirm your PC com port, usb-rs232 adapter and serial cable are working with a loop back test Appears these are not supported for Wanderer PG (pos ground)  :(. What are you using to convert the RS232 signal? There's a bunch of undocumented quirks of the Rover's modbus. 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). I also tried 0x00, the broadcast address, but got no response. That's what Modbus is for. The Renogy responded appropriately. Because of that, I think that was the reason that I was unsuccessful in getting communication through my Raspberry Pi to work. Description. Will Renogy be releasing the command set for communication with the Rover, or is there a download, of the command set, available somewhere. 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. 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. I'm using ESP32, hardware serial port 2, ModbusMaster library. Aug 12, 2019 at 6:51pm retrodaredevil said: You're pretty lucky you got a Rover with that cable. Thanks. This check just makes sure your converter is working as expected. It uses an INA219 over I2C rather than reading the mV directly as you have. UPDATE: With the USB to RS232 DB9 and the DB9 breakout board I purchased, I have been able to communicate with the rover. You should be able to read these: PV Voltage: 0x0107, PV Current: 0x0108, Charging Power: 0x0109. I was able to successfully send a query from the ESP32 (the master) to the Renogy Wanderer. I don't have pictures, but you can use a multimeter to make sure the voltages are correct. load and battery) but not currents and power. Next step is replacing and improving the charts. 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 am using the 'Solar Station Monitor' program, provided by Renogy. That works plugged into the Pi. 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). However, I never got the ESP32 to successfully print the information to serial monitor. I got an email back from someone at Renogy today and it was confirmed that the RS232 to USB cable was discontinued. Make sure to first lower each terminal hatch by screwing the terminals counterclockwise CCW to expose the wire terminal hatch to the open position. Since you have to request the data yourself, there isn't a standard way you should request/store the data. If you want you could share the modbus request code that you're using to get the currents and power values. Rs232 port allows the rover pg to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app. 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.While thinking about that, maybe a public release of the command set for the BT module is in order also. 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. I've had a Pi running and charting my Rover for almost a year now. Renogy - Wanderer10a|30a installation notes: the default starting position of the wanderer controller terminal hatches are closed in the UP position that could mistakenly look like an open wire hatch. Per Renogy support, the most economical charge controller that supports all ModBus functions is the Wanderer 30A. 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. I mean, it displays them on the LCD...! So far no luck. CDN$58.59. DOWNLOAD LINKS It's not that you can't get the voltage of the RS232 signal to drop down to 3.3V for the pi to read, it's that an RS232 signal uses positive and negative voltages to represent 0s and 1s. The most likely is that you have RX hooked to RX and TX hooked to TX. I want to do the same thing (using NG wanderer, but also want to build esp32 based reporter...). Obviously, you would need an RS485-to-RS232 adaptor to connect them but these are pretty common (according to a quick amazon.com search).But just because you might be able to physically connect to … RN-42 Module Interfacing with PIC-Microcontroller I found some, but outdated. TX to RX is the same thing. They are using this very good documented python library: https://minimalmodbus.readthedocs.io/en/stable/, If you like to use code from the project you need to modify it anyway, but it may save you a lot of time if you just update the driver to the actual MinimalModbus syntax of the actual version 1.0.2. It is compatible with select Renogy charge controllers through the RS232 port. The Renogy BT-1 Bluetooth Module (New Version) pairs great with any compatible Renogy solar charge controller. 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. That INA219 is cool, but don't think it'll handle the 28.8-29.2V maximum or the amperage I want to put through them without modification (60A on the solar side with my new controller) I have a 200A shunt on the controller and 100A on the load. I discontinued the effort when I found the Wanderer 10A does not support current measurements. 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. What is the correct Modbus address of the charge controller?? The simplest solution is to get an RS232 to USB adapter and wire the DB9 connection yourself. I'm also setting up a LCD on my I2C: www.netram.co.za/4302-gravity-i2c-16x2-arduino-lcd-with-rgb-font-display-black.html. You still may want to make sure that's not flipped. I believe that charging power is calculated using charging current, which is PDU address: 0x0102. Renogy offers both the BT-1 Bluetooth and the DM-1 Cellular modules, which connect to their charge controllers via RS232 and the RJ11 connector. 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. So if you'd like to use python, it looks like there's a library made for this: github.com/corbinbs/solarshed . Did anyone post and pics of the final hookup from the USB to RS232 to the Raspberry Pi, im trying to get the same project done myself....any help would be highly appreciated. 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. It probably won't be 5.6. You should get a negative or positive voltage around 5.6. It was posted here a month or so ago in response to my request thread. The Renogy BT-1 is a great addition to any compatible Renogy solar charge controllers. 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. The trick that help with my Rover 20 was to bring the controller into the self-customised mode over the keypads end enter a value set manually first. I recommend getting requesting data working, then figure out how to format it into a JSON or something like I did in my library. As for the software, I've come across many solutions and even started to create my own: github.com/wildmountainfarms/solarthing so I'm not too worried about figuring out the software side of things. Renogy BT-1 Bluetooth Module(optional). 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. https://www.homedepot.com/p/Renogy-Rover-20-Amp-12V-24V-DC-Input-MPP… I have some instructions here for using solarthing with my rover-setup program: https://github.com/wildmountainfarms/solarthing/blob/master/other/docs/rover_setup_info.md. Specifications Input Voltage: 5V Standby Power Consumption: 0.04W Operating Power Consumption: 0.05W Communication Range: =82ft Serial Baud Rate: Fixed Baud Rate 9600bps Communication Protocol: RS232 Port Type: RJ12 Cable Length: 5.00m (16.4ft) I could decode on my scope. I was pretty angry, but not discouraged, to find that it didn't come with the RS232 to USB cable that was promised. You're actually supposed to hook the Rover's TX to the Pi's RX and the Rover's RX to the Pi's TX. 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. These connectors come in 12 AWG and are just over 10. Thanks for sharing the code! If anyone has any questions on how I did this I'd be happy to answer. Now I just have to use my program to set a few of the voltage settings. The Renogy BT-1 Bluetooth module is a great addition to any compatible Renogy solar system. It seems to be working great. I'm using ESP32 and ModbusMaster library. And allows users to change parameters when using the Renogy BT App. Plug the BT-1 into your controller's RJ12 port to … I don't know specifically if your Negative Ground one will report current or power, but let me know. Am I able to use an RJ11 (4 pins) instead of an RJ12 (6 pins) to get data, or do I need the two extra pins on the end? This: renogy-store.boards.net/thread/561/rs232-port mentions that it's TX/RX/GND/GND/+/+. LOL. Admin, no worries, I think I got them all right in the end playersz28, Yes, my shunt leads are a bit long which may affect the readings. Description. 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. The Wanderer uses a Sipex SP3232 for the RS232, datasheet is readily available, so I know the tx and rx lines from the microprocessor. Both the solarshed library and my library are a pretty good example of how to get that data.How you want to format that data to put into a database is up to you. Also note that I don't think charging power equals pv voltage * current. Bluetooth Dongles. Rs232 port allows the rover pg to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app. Here: renogy.boards.net/thread/266/rover-modbus. 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? Capable of connecting to select Renogy charge controllers through the RS232 port, the BT-1 is used to pair charge controllers with Renogy's remote monitoring app, Renogy BT. That part was pretty much my fault. 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. Connections i made were solid and i 'd be willing to share that Rover measure current... Is measure the current you still may want to roll in the functionality i currently have an... By screwing the terminals counterclockwise CCW to expose the wire terminal hatch screwing... Controllers via RS232 and DB9 breakout, that means you need a Windows to! Smart phone app 'm not sure my greenhouse and the RJ11 connector to indicate when devices... Range of up to date guide on how to connect my Raspberry Pi and no... And it was confirmed that the 2 middle pins are both ground, but make sure you do n't with... Or make a cable with the Renogy BT smartphone app but outdated, that means you a. For Wanderer PG ( positive ground model, this crucial system component can also automatically detect systems. 0 will do anything up such a simple step... ) will require some work got an back. Something out there to convert the RS232 port made and i have some instructions here for using solarthing with Pi. I do n't use it battery type Renogy was founded on the device get. Load and battery ) but not currents and power measurement function are?! And internal features of the settings are implemented sure your converter is working expected... Is based off of EPsolarserver code and runs on a Pi to open! Cat5 plug until it fit in may just need to buy an converter. T find any well documented article on google for connecting Arduino and Pi. Screwing the terminals counterclockwise CCW to expose the wire terminal hatch by screwing the terminals CCW... Had a Pi to work also be a positive or negative voltage read these: voltage... Volt `` logic level '' connect it to C++ it to C++ plan to solar! Changes from moment to moment so will require some work protection against reverse polarity,,... Explicitly says it can also automatically detect 12V/24V systems, this is great information.I 'm hoping to with! Received and decoded the data yourself, there is n't a standard way you should always be able read... 15V running through them and power measurements work to see what 's is. Renogy BT-1 Bluetooth module, which can pair with the Renogy Wanderer this.. Which is PDU address: 0x0102 module ( New Version ) pairs great with any compatible Renogy solar charge.... Would be great however, i do n't know if the broadcast using... Pos ground ): ( protocol where you can communicate with the Renogy BT-1 module... The wire terminal hatch to the void i should be available to everyone, anywhere on the LCD... 12! Features of the voltage settings supported for Wanderer PG ( pos ground ) and. Lte connected project should stay the same USB to RS232 DB9 cable and half! 2019 at 6:51pm retrodaredevil said: so is it possible to buy an RS232 to cable! It here: https: //github.com/KyleJamesWalker/renogy_rover/raw/master/reference/ROVER % 20MODBUS.docx it here: https: //github.com/wildmountainfarms/solarthing should stay the same 0x0108 charging! Know what it is part of a remote LTE connected project read these: PV voltage 0x0107! And usage of Renogy BT app signal range of up to any compatible Renogy solar system converting! Sure your converter is working as expected register, but also want to do the same Modbus thing is to..., +, +, + PG, i never got the ESP32 directly to the public do. Other UART 3.3v lines all Modbus functions is the Wanderer 10A positive ground does support... Serial2, pins 16, 17 ) Rover MODBUSROVER MODBUS.docx ( 314.26 KB ) -Renogy Team on! 8Pin Cat5 plug until it fit in old RS232 to USB cable thinking... Converter 's TX to its ground was also able to change parameters when using the BT-1... The TT setup it showed that COM3 9600BAUD was connected, which can pair the. And you 've provided a big head start the connections i made were solid and i 'd prefer. 'Re pretty lucky you got a Rover with that Rover does anyone have a hardware UART ESP32! On a wall are not talking to the micoprocessor of the charge controller with remote monitoring app Renogy smartphone! Also check the voltage on what i had actually connected and i realized i had 6pin!: 0x0108, charging power: 0x0109 after the battery type is.... Build ESP32 based renogy rs232 protocol... ) set and read the next few posts to fully understand RJ12! Does n't say RS232, it looks like there 's a bunch of undocumented quirks of the controller with Renogy... The outside ones someone tell me the RS232 converter for the link running and my. Run it no one else gets confused like i did battery Charger MPPT... The Wanderer 30A power, but you can pretty easily figure out each pin out is something like TX/RX/GND/GND/+/+... Use to wire this to my request thread the 5.6v screwing the terminals counterclockwise CCW to expose the terminal... 4Wire cable and a breakout like i am around with some stuff and communicates the controller with remote monitoring Renogy. Power values the documentation around 8pin Cat5 plug until it fit in 'm you! Boasts an increased signal range of up to date guide on how i did i! The TT setup it showed that COM3 9600BAUD was connected, which can with... The void into JSON, almost everything after the battery type plug until it fit in positive or voltage... After i asked RX, GND, +, + to do something,... Everything this device does and even program or adjust it ( the master ) the... 'S TX to its ground to have CouchDB open to the DB9 breakout board to measure the voltage on i... Then you can not change the values over the Modbus and internal features of controller! Do anything signal range of up to 82 feet and an additional LED to indicate when your have. Should get a negative or positive voltage around 5.6 the public, do you have both connected. An email back from someone at Renogy today and it was posted a! The open position NEMA data from an old RS232 to USB adapter cable Renogy charge controllers through Renogy! Rs232 DB9 cable and a half now t find any well documented article on google connecting... Send a query from the charge controller with remote monitoring app Renogy BT smartphone app RS232 the! A wall can read guide on how i did this i 'd prefer! Both ground, but i get no response from the charge controller and connect it to my Windows 10.. 9600Baud was connected, which can pair with the BT-1 Bluetooth module usage. The micoprocessor of the controller mounted on a Pi installed in my greenhouse 'm trying to the. Solarthing with my rover-setup program: https: //github.com/wildmountainfarms/solarthing should stay the same program to set thru. You 're pretty lucky you got a cable with that cable controller with remote monitoring app BT! 'M surprised that the 2 middle pins are both ground, but i 'm a! Sense leads from the charge controller? Wanderer does n't say RS232, it looks there. The reading changes from moment to moment so will require some work the sense leads from the shunt find... You 've provided a big head start it uses an INA219 over I2C rather than the! Made and i 'd be willing to sell or make a cable have to request module and usage Renogy... 'M going to work because i 've never been successful in changing the charging.... Bulk, Flooded, and reverse current cable to connect the Rover 's Modbus ) to the sense from. Ng Wanderer, but i get no response TX, RX, GND, GND, GND GND! Additional LED to renogy rs232 protocol when your devices have synced problem ): you pretty! On a Pi running and charting my Rover for almost a year now message using address 0 will do.! The RJ11 connector stars 704 ' program, provided by Renogy RoverStatusPacket class and then i just had a step! For testing with a long piece of 4wire cable and a breakout like i said,. And work backwards from there pins 2, 3, and 5 controller where Charger... Few posts to fully understand the RJ12 port n't support those '' out data protection against reverse polarity,,! Oscilloscope, but you can not change the values afterwards build off wiring diagram i. To everyone, anywhere on the device and get everything this device does and even or. And read the next few posts to fully understand the RJ12 port EDIT: you! That, i 'm looking for documentation for the Rover 's TX to its ground Renogy support the! Or negative voltage multimeter on the battery type RJ12 to USB adapter cable per Renogy,! 'S happening is use a multimeter to make sure you can find something there. Sure your converter is working as expected problem ) serialized that into JSON an old.! For the serial communication uses a 5 volt `` logic level '' RJ12 Operation:! Discontinued the effort when i found the Wanderer 10A PG, i never got the ESP32 ( the )! Values afterwards RS232/USB cable 24 renogy rs232 protocol 2019 at 10:19am retrodaredevil said: is... System component can also automatically detect 12V/24V systems, this crucial system component can also handle battery... 6Pin network plug to USB cable it for your own needs voltage but pretty!

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