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battery_compatibility:byd_b-box-steps [2018-06-05 15:40] guystewartbattery_compatibility:byd_b-box-steps [2021-04-08 16:01] (current) – [Use VE Configure to set charge parameters] boekel
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 {{:battery_compatibility:byd:cover.jpg?nolink&500|}} {{:battery_compatibility:byd:cover.jpg?nolink&500|}}
  
-//Disclaimer:  
  
-Some of the information presented in this guide is now out-of-date and depreciated. It will be updated in due course. For now it has been left here 'as is' for reference purposes. However it is not intended to represent the current best practice for part selection or procedure. Please refer to the [[battery_compatibility:byd_b-box|]] page for the latest compatibility information and installation advice.+===== Disclaimer: ===== 
 +  
 +**Some of the information presented in this guide is now out-of-date and depreciated. For now it has been left here for historical and reference purposes. However it is not intended to represent the current best practice for part selection or procedure. Please refer to the [[battery_compatibility:byd_b-box|]] page for the latest compatibility information and installation advice.**
  
-No warranty of the accuracy or completeness of the information in this document is given. Any qualified or otherwise party who chooses to use this document and the information contained does so at their own discretion and risk. The authors of this document are in no way liable for the use or misuse of this information.// +This guide is not intended to replace reading (and comprehending) the manufactures own manuals. It is intended to supplement and provide additional information specific to a Victron and BYD system
  
 +**No warranty of the accuracy or completeness of the information in this document is given. Any qualified or otherwise party who chooses to use this document and the information contained does so at their own discretion and risk. The authors of this document are in no way liable for the use or misuse of this information.**
  
  
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 Packaging seemed solid enough and indicates that this is Version 1.1. There were no damage or marks to paint or otherwise. Packaging seemed solid enough and indicates that this is Version 1.1. There were no damage or marks to paint or otherwise.
 +
 +BYD advises that all batteries and cabinets must remain in their original factory packaging until they are on site.
  
 There was no [[https://drive.google.com/open?id=0B10SDM_oYx9oSVc4bzl6UUl5Rms|installation manual]] or [[https://drive.google.com/open?id=0B10SDM_oYx9oakxNSlpTUnFQLTQ|warranty documentation]] included.  [[https://www.youtube.com/watch?v=mSKheSxULAU|Also see BYD installation video]].  There was no [[https://drive.google.com/open?id=0B10SDM_oYx9oSVc4bzl6UUl5Rms|installation manual]] or [[https://drive.google.com/open?id=0B10SDM_oYx9oakxNSlpTUnFQLTQ|warranty documentation]] included.  [[https://www.youtube.com/watch?v=mSKheSxULAU|Also see BYD installation video]]. 
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 There are four individual breakers (one per battery unit) that are externally switchable and one main breaker (also externally switchable). There are four individual breakers (one per battery unit) that are externally switchable and one main breaker (also externally switchable).
  
-Both breaker blocks must be unbolted to get to the clamp screws for installing the remaining cables. The battery cables supplied with each battery are lugged on both ends. The lugs are of different sizes. Ensure you select the correct lug size for the battery end and the larger end for the breaker block as you will have to cut the lugs off at the breaker block end. Little lightweight cable end crimps are supplied that are soft enough to conform when screwed down in the breaker blocks. +Both breaker blocks must be unbolted to get to the clamp screws for installing the remaining cables. The battery cables supplied with each battery are lugged on both ends. The lugs are of different sizes. Ensure you select the correct lug size for the battery end and the larger end for the breaker block.  
 +Pay close attention to the cut marks on the cables, all cables should be a consistent length for equal resistance and balanced charging and discharging.  You will have to cut the cables to remove the lugs off at the breaker block end. Little lightweight cable end crimps are supplied that are soft enough to conform when screwed down in the breaker blocks. 
  
 **Caution: ensure you seat and firmly tighten the cables in the breaker blocks.** **Caution: ensure you seat and firmly tighten the cables in the breaker blocks.**
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 I have mentioned a bit about this earlier. Basically, I cut the bigger lugs off the power cables and crimped the soft crimps onto the fresh ends and installed them into the four way breaker block. I have mentioned a bit about this earlier. Basically, I cut the bigger lugs off the power cables and crimped the soft crimps onto the fresh ends and installed them into the four way breaker block.
 {{ :battery_compatibility:byd:byd-installguide5.jpg?direct&400 |}} {{ :battery_compatibility:byd:byd-installguide5.jpg?direct&400 |}}
-I then routed the cables (through the bad cable management channels). Two sets to the top and two set to the bottom. I did notice the positive cables were longer. Not sure why. It would be possible to cut the cables for the top two batteries shorter but I didn’t as it will marginally decrease the resistance of those two batteries, especially under high loads. Maybe it’s doesn’t matter but I left them equal. +I then routed the cables (through the bad cable management channels). Two sets to the top and two set to the bottom. I did notice the positive cables were longer. Not sure why.
-The BYD manual says to test the battery voltage. Considering the batteries are all still off at this stage I am not sure why. Voltage was 12.2v on all batteries. I was surprised to see any voltage at all.+
  
-Connect the output side of the BYD main breaker (internal to the cabinet) to the DC breaker and fuse assembly of the system(external and separate to the BYD cabinet).+The BYD manual says to test the battery voltage. The batteries are all still off at this stage. Voltage was 12.2v on all batteries. This indicates the BMS is live, but the internal relay is open 
  
-===== BMS and internal coms cabling (updated)===== +Connect the output side of the BYD main breaker (internal to the cabinet) to the main system disconnection device  (DC breaker or fuse assembly, external to the cabinet). Arguably in Australia if you only have one cabinet, the inbuilt 125A DC cabinet fuse is sufficient. However it is not clear where it is at a glance, and in case of an emergency, fast shutdown should be VERY OBVIOUS. 
-The Battery Management System(BMS) is in the bottom section of the cabinet.+===== BMU, BMS and internal coms cabling (updated)===== 
 + 
 +There are several elements to the BYD system. There is a single central Battery Management Unit (BMU), this is able to communicate to up to 32 individual 2.5kWh battery modules. Each of the battery modules also has their own Battery Management System (BMS) to individually protect the cells, and report back to the BMU, which collects data from all of them and reports it to the [[venus-os:start|GX device]]. 
 + 
 +The BYD Battery Management Unit (BMU) is in the bottom section of the cabinet, it is incorrectly labelled BMS in this picture.
 {{ :battery_compatibility:byd:byd-installguide6.jpg?direct&400 |}} {{ :battery_compatibility:byd:byd-installguide6.jpg?direct&400 |}}
-It has a CAN bus RJ45 port on the left hand side, which is labeled, that connects to the CAN bus port on the Color Control GX (CCGX) or Venus GX. The BMS layout, colour and port configuration differed from the installation manual. Victron call the CAN port VE.CAN on their products. The Victron CAN bus and BYD CAN bus protocols are a bit different. As such it is only possible to use one or other of the communication methods on a single CAN bus. It is important to understand here that a CAN bus can have many ports but they are all on the one bus. In this case the CCGX has two CAN ports but they are on the one bus. <del>The Venus GX has one CAN bus at this time however it has the hardware for a second CAN bus that may be enabled at some stage. At this time it is not possible to plug in both the BYD battery AND other Victron VE.CAN products at the same time.</del> There are settings in the CCGX that allow you to switch between the CAN bus protocols. This is not an issue for users who have no VE.CAN devices. <del>For new installs it is recommended to use VE.Direct MPPTs where possible. In my case, the MPPT uses VE.CAN and as such I am unable to have it connected. This means I am unable to monitor or log solar yield data.</del> 
  
-**UPDATE(6/7/2017): As of Venus 2.08~7 the second CANbus on the Venus GX is now operational and configurable from the GUIWe now have both VECAN mppt and BYD connected and logging data through the Venus GX.**+It has a CAN bus RJ45 port on the left hand side, nearest to the green relay connection block, which is labeled, that connects to the CAN bus port on the Color Control GX (CCGX) or Venus GX. The BMS layout, colour and port configuration differed from the installation manualVictron call the CAN port VE.CAN on their products. The Victron CAN bus and BYD CAN bus protocols are a bit different. As such it is only possible to use one or other of the communication methods on a single CAN bus. It is important to understand here that a CAN bus can have many ports but they are all on the one bus. In this case the CCGX has two CAN ports but they are on the one bus
  
 +There are settings in the CCGX that allow you to switch between the CAN bus protocols. This is not an issue for users who have no VE.CAN devices. **For new installs it is recommended to use VE.Direct MPPTs where possible.** 
  
-There is another RJ45 connector on the BMS that is not labeled. It has a cable plugged into it that goes to the top of the cabinet. If I had been installing 1 or 2 batteries the cable could have stayed plugged in. To install 3 or 4 batteries, take it out. This port is the main “COMout” that should connect to the first battery Management Unit (BMU) on the first battery.+However, this installation uses the MPPT with VE.CAN. 
 + 
 +In the current version of Venus (2.15) the second CANbus on the Venus GX is now operational and configurable from the GUI. We now have both VECAN mppt and BYD connected and logging data through the Venus GX. 
 + 
 +There is another RJ45 connector on the bottom of the BMU that is not labeled. It has a cable plugged into it that goes to the top of the cabinet. If I had been installing 1 or 2 batteries the cable could have stayed plugged in. To install 3 or 4 batteries, take it out. [[http://alpspower.com.au/wp-content/uploads/2018/06/BYD-Battery-Box-Res-2.5-10.0-INSTALLATION-SHORT-INSTRUCTION.pdf|This port is the main “COMout” that should connect to the last battery Management System (BMS) on the last battery.]]
  
 {{ :battery_compatibility:byd:byd-installguide7.jpg?direct&550 |}} {{ :battery_compatibility:byd:byd-installguide7.jpg?direct&550 |}}
-The little ethernet jumper cables intended for connecting the BMUs together are labeled with COMin and COMout ends. Because one comes in every battery box, there was one left over. I put the COMout end of the first ethernet jumper cable into the bottom unlabeled port of the BMS and the other end into the left RJ45 port of battery #1. I then put the COMout end of the second jumper into the right RJ45 port of Battery #1 and put the COMin end into the RIGHT port of the battery #2. I did that just because that’s the way BYD did it.+The little ethernet jumper cables intended for connecting the BMSs together are labeled with COMin and COMout ends. Because one comes in every battery box, there was one left over. 
  
-I then put the unlabelled ethernet cable that was originally plugged into the BMS into the left RJ45 port on battery #2. +**This guide originally advised to connect battery number 1 firstCurrent advice is now to connect the last battery firstBoth configurations are out there working properly, and it may not make a difference, but it seems a good idea to follow the current advice.**
-{{ :battery_compatibility:byd:byd-installguide8.jpg?direct&550 |}} +
-The top end of the cable went into the left port of battery#3Finally the COMout of the third jumper went into the right port of battery #3 and the COMin went into the right port of battery #4.+
  
 +Put the COMout end of the first ethernet jumper cable into the bottom unlabeled port of the BMU and the other end into the left RJ45 port of battery #4. Then put the COMout end of the second jumper into the right RJ45 port of Battery #4 and put the COMin end into the RIGHT port of the battery #3. 
 +
 +Then put the unlabelled ethernet cable that was originally plugged into the BMS into the left RJ45 port on battery #3.
 +{{ :battery_compatibility:byd:byd-installguide8.jpg?direct&550 |}}
 +The top end of the cable went into the left port of battery#2. Finally the COMout of the third jumper went into the right port of battery #2 and the COMin went into the right port of battery #1.
 ===== BMS to CCGX (or Venus GX) cabling (updated) ===== ===== BMS to CCGX (or Venus GX) cabling (updated) =====
-A custom ethernet cable is required to to connect the BYD BMS to a Victron CCGX. <del>Venus GX installers/users are recommended by Victron to follow the same procedure. Victron are yet to support the second CAN bus on the Venus GX however it is possible to enable it now using [[https://drive.google.com/file/d/0B10SDM_oYx9oU0VNMmp2RDVKN2M/view?usp=sharing|this guide]] we just wroteThanks to Victron and Rainbow Power Company for their input.</del> \\ +A custom ethernet cable is required to to connect the BYD BMU to a Victron [[venus-os:start|GX device]] (CCGX or VGX) 
-Use the //VE.Can to CAN-bus BMS type A Cable//, part number ASS030710018. Plug the side which is labeled Battery BMS into the BYD BMS. Plug the side labeled Victron VE.Can into the Venus-device.+ 
 +Use the //VE.Can to CAN-bus BMS type A Cable//, part number ASS030710018. Plug the side which is labeled Battery BMS into the BYD BMU. Plug the side labeled Victron VE.Can into the [[venus-os:start|GX device]].
  
 Then, plug a [[https://www.victronenergy.com/accessories/ve-can-rj45-terminator|VE.Can terminator]] in the other VE.Can socket on the CCGX. Two VE.Can terminators are included with the package of the CCGX as an accessory, only one is used. Keep the other one as a spare. Then, plug a [[https://www.victronenergy.com/accessories/ve-can-rj45-terminator|VE.Can terminator]] in the other VE.Can socket on the CCGX. Two VE.Can terminators are included with the package of the CCGX as an accessory, only one is used. Keep the other one as a spare.
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 More information about the cable can be found in [[battery_compatibility:can-bus_bms-cable|its manual]]. More information about the cable can be found in [[battery_compatibility:can-bus_bms-cable|its manual]].
  
- +While it is HIGHLY recommended to use the pre-manufactured TYPE A cable, you may need to make your own 
-**UPDATE(6/7/2017): As of Venus 2.08~7 the second CANbus on the Venus GX is now operational and configurable from the GUIWe now have both VECAN mppt and BYD connected and logging data through the Venus GX.** +This is how to wire it.
  
 Custom Cable pinout for CCGX Custom Cable pinout for CCGX
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 | 3         | 110000   | First two jumpers up, all the rest down | | 3         | 110000   | First two jumpers up, all the rest down |
 | 4         | 001000   | Third jumper up, all the rest down      | | 4         | 001000   | Third jumper up, all the rest down      |
 +| 5         | 101000   | First jumper up, Third jumper up, all the rest down      |
 +| 6         | 011000   | Second jumper up, Third jumper up, all the rest down     |
 +| 7         | 111000   | First three jumpers up, all the rest down |
 +| 8         | 000100   | Forth jumper up, all the rest down|
 +| 9         | 100100   | First jumper up, Forth jumper up, all the rest down      |
 +| 10        | 010100   | Second jumper up, Forth jumper up, all the rest down     |
 +| 11        | 110100   | First and Second jumper up, Forth jumper up, all the rest down      |
 +| 12        | 001100   | Third jumper up, Forth jumper up, all the rest down      |
 +| 13        | 101100   | And so on...|
 +| 14        | 011100   
 +| 15        | 111100   
 +| 16        | 000010   
 +
  
 {{ :battery_compatibility:byd:byd-installguide8.jpg?direct&550 |}} {{ :battery_compatibility:byd:byd-installguide8.jpg?direct&550 |}}
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 {{ :battery_compatibility:byd:byd-installguide11.jpg?direct&550 |}} {{ :battery_compatibility:byd:byd-installguide11.jpg?direct&550 |}}
 The bottom two batteries. The bottom two batteries.
- 
 ===== BMS to Multi/Quatro communications wiring ===== ===== BMS to Multi/Quatro communications wiring =====
-We need to wire the allow to charge and  allow to discharge relays on the BMS to the Multi/Quatro.{{ :battery_compatibility:byd:byd-installguide12.jpg?direct&550 |}} 
-{{ :battery_compatibility:byd:byd-installguide13.jpg?direct&350 |}} 
  
-{{ :battery_compatibility:byd:byd-installguide14.jpg?direct&350 |}}+The Multi/Quattro needs to be connected to the [[venus-os:start|GX device]] via the VEbus connection with an ethernet cable
  
-{{ :battery_compatibility:byd:byd-installguide15.jpg?direct&550 |}}+===== Inverter/Charger (Multiplus, Quatro etc) firmware and settings =====
  
-===== Inverter/Charger (Multiplus, Quatro etc) firmware and settings ===== 
 Updating firmware for Victron VE.BUS products is not recommended for end users. I don’t think there will be many end users doing all this anyway but do heed Victron’s warnings about this procedure. It’s complicated!{{ :battery_compatibility:byd:byd-installguide16.png?direct&300 |}} Updating firmware for Victron VE.BUS products is not recommended for end users. I don’t think there will be many end users doing all this anyway but do heed Victron’s warnings about this procedure. It’s complicated!{{ :battery_compatibility:byd:byd-installguide16.png?direct&300 |}}
  
-If you already have a power source, you can and should configure all the required settings first. We had a functioning lead acid bank to operate off while setting everything up. If you don’t then this whole procedure may vary a little. This is important to consider as the BYD battery may turn itself off without a correctly configured connection to the CCGX/Venus GX which sends the signal for it to “stay alive”. If the battery turned off midway through a firmware update the consequences could be serious. If the connection between the CCGX/Venus GX and the BYD is established first, the battery will continue to operate. If you plan to use the BYD to power the inverter/charger for the firmware update process, first ensure the battery is connecting to the CCGX/Venus GX and wait ten minutes to ensure its all operating correctly. Setting up the Two-Signal BMS Support Assistant (previously called Lynx Ion BMS Support) can be done second.+If you already have a power source, you can and should configure all the required settings first. We had a functioning lead acid bank to operate off while setting everything up. If you don’t then this whole procedure may vary a little. 
  
-My Inverter/Charger is a Multiplus 48v5000VA with new (larger chip) which is a model 2624 that came with Firmware version 155 so the full number printed on the circuit board was 2624155My latest firmware was 413.+This is important to consider that if the BYD battery has not yet been detected by the [[venus-os:start|GX device]]it may turn itself off without the signal for it to “stay alive”. If the battery turned off midway through firmware update the consequences could be serious. Ideally the connection between the CCGX/Venus GX and the BYD is established first, and the battery will continue to operate. If you plan to use the BYD to power the inverter/charger for the firmware update process, first ensure the battery is connecting to the CCGX/Venus GX and wait ten minutes to ensure its all operating correctly. 
 +If this is not possible, such as firmware update is required on the CCGX. Then it is possible to temporarily run the battery without shutting down by disconnecting the RS485 cable that connects the battery module to the BMUThis is very temporary situation until you can connect the [[venus-os:start|GX device]] for normal operation.
  
 [[https://www.victronenergy.com/upload/documents/manual-VE.Bus-firmware-versions-explained-EN.pdf|See victron documentation for selecting the correct firmware.]] [[https://www.victronenergy.com/upload/documents/manual-VE.Bus-firmware-versions-explained-EN.pdf|See victron documentation for selecting the correct firmware.]]
    
 [[https://www.victronenergy.com/live/updating_firmware:updating_ve.bus_products|See victron documentation for updating firmware.]] [[https://www.victronenergy.com/live/updating_firmware:updating_ve.bus_products|See victron documentation for updating firmware.]]
-  
-Log into your [[https://professional.victronenergy.com/|Victron Professional]] account and download appropriate firmware that supports the Two-Signal BMS Support Assistant.  
-You will need: 
-  *USB to MK2 or MK3 cable  
-  *The latest versions of USBMK2 Drivers, VE Configure Tools & VE Power Setup which are all available on the software section of [[https://www.victronenergy.com/support-and-downloads/software|Victron’s support & downloads page.]] 
-  *A laptop running Windows (with a good battery and fully charged) 
- 
-Setup the Two-Signal BMS Support Assistant (credit:[[https://www.victronenergy.com/live/battery_compatibility:byd_b-box|Victron BYD integration page]]). 
- 
-Connect the laptop to the Inverter/Charger with the USB adapter, and open the VEConfigure app. 
- 
-You may need to disable the Virtual Switch to enable the “Assistants” functionality. 
- 
-Install the “Two-Signal BMS support Assistant”: 
-{{ :battery_compatibility:byd:byd-installguide17.png?direct&400 |}} 
-{{ :battery_compatibility:byd:byd-installguide18.png?direct&400 |}} 
-{{ :battery_compatibility:byd:byd-installguide19.png?direct&400 |}} 
-This assistant will be configured using VE Configure. 
- 
-This can be done directly if you are connected to the Multi/Quatro with the USB to MK2/mk3 cable. If you are connected through the CCGX/Venus GX you will need to pull the settings with VE Power Setup, open and edit them with VE Configure and then put them with VE Power Setup again. 
- 
-If you already have a firmware that supports the assistant you can just use the CCGX or Venus GX to get and put the settings on the Multi/Quatro. See Victron’s documentation on this procedure. 
  
 ===== Use VE Configure to set charge parameters ===== ===== Use VE Configure to set charge parameters =====
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 | Battery Type       | Lithium  | | Battery Type       | Lithium  |
 | Charge Curve       | Fixed    | | Charge Curve       | Fixed    |
-| Absorption Voltage | 55.2V    |+| Absorption Voltage | 56.5V    
 | Float Voltage      | 55V    | | Float Voltage      | 55V    |
 | Absorption Time    | 1 HR     | | Absorption Time    | 1 HR     |
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 {{ :battery_compatibility:byd:byd-installguide21.png?direct&550 |}} {{ :battery_compatibility:byd:byd-installguide21.png?direct&550 |}}
  
-Important note(updated)As of 28/06/2017, users who have the Victron VE.CAN MPPT solar charges will NOT be able connect them to the CCGX CAN bus at the same time as the BYD BMS. Considering the BYD BMS must be connected, it is not possible to monitor and manage the MPPT via VE.CAN. <del>The Venus GX has a second CAN bus but IS NOT officially functional at this time. See [[https://drive.google.com/file/d/0B10SDM_oYx9oU0VNMmp2RDVKN2M/view?usp=sharing|this guide]] for activating the second CANbus on the Venus GX.</del>+Important note: Users who have the Victron VE.CAN MPPT solar charges will NOT be able connect them to the CCGX CAN bus at the same time as the BYD BMS. Considering the BYD BMS must be connected, it is not possible to monitor and manage the MPPT via VE.CAN. 
  
-**UPDATE(6/7/2017): As of Venus 2.08~7 the second CANbus on the Venus GX is now operational and configurable from the GUI. We now have both VECAN mppt and BYD connected and logging data through the Venus GX.**+second CANbus is available on the Venus GX is now operational and configurable from the GUI. We now have both VECAN mppt and BYD connected and logging data through the Venus GX.
  
 For those users that have Victron VE.Direct MPPT solar chargers, the charges should connect and operate as usual. For those users that have Victron VE.Direct MPPT solar chargers, the charges should connect and operate as usual.
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 ===== Startup procedure ===== ===== Startup procedure =====
- 
-The procedures in the BYD manual do not make sense. They call for operations to occur on the CCGX before there is power to it. And ask for the battery to be set to DOD 5%. I was not able to see these settings. Perhaps the manual is out of date. 
- 
-The following operations worked fully. 
  
 Pre-startup check: Pre-startup check:
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   *Ensure all coms cables are seated and attached properly.   *Ensure all coms cables are seated and attached properly.
   *Take all reasonable and legal measures required.   *Take all reasonable and legal measures required.
-  *Ensure all settings in the Multi/Quatro, the solar charger and the CCGX/Venus GX are programed correctly (yes, this requires an operating battery other than the BYD).+  *Ensure all settings in the Multi/Quatro, the solar charger and the CCGX/Venus GX are programed correctly.
  
 Startup procedure: Startup procedure:
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   *Enable charging on the MPPT   *Enable charging on the MPPT
  
-Finallykeep an eye on all the parameters while the battery is charging.+ 
 +===== Check Parameters ===== 
 + 
 +On the [[venus-os:start|GX device]]open the menu and select the BYD battery
 +Scroll down to the **Parameters** menu option. 
 + 
 +Inside there is some data communicated by the BYD BMU to the [[venus-os:start|GX device]] via the CANBus.  
 + 
 +The Discharge Current Limit should be 35A per cell, eg 70A for 2 cells. 
 + 
 +The Max Charge Voltage should be 56.5V. 
 + 
 +Charge Current limit will vary depending on battery state of charge and temperature.  
 + 
 +If this isn't the case, time to go [[https://www.victronenergy.com/live/battery_compatibility:byd_b-box#troubleshooting|troubleshooting.]]
  
 Hopefully this info has been helpful. Hopefully this info has been helpful.
  
 {{ :battery_compatibility:byd:byd-installguide24.jpg?direct&600 |}} {{ :battery_compatibility:byd:byd-installguide24.jpg?direct&600 |}}
 +
battery_compatibility/byd_b-box-steps.1528206024.txt.gz · Last modified: 2018-06-05 15:40 by guystewart

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