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battery_compatibility:tab [2025-07-16 06:47] – created guy_stewartbattery_compatibility:tab [2025-07-16 12:41] (current) guy_stewart
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 TAB has undertaken full Victron BMS-Can specification compliance testing and has successfully passed. TAB has undertaken full Victron BMS-Can specification compliance testing and has successfully passed.
  
-Testing was completed with TAB e.module L5.1 running BMS firmware version 0.3.4-8+Testing was completed with TAB e.module L5.1 running BMS firmware version 0.3.5 and Cerbo GX running VenusOS v3.63
  
 === 1.1 A GX device is required, eg Cerbo GX, etc ===  === 1.1 A GX device is required, eg Cerbo GX, etc === 
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 It is essential to use the BMS-Can (or CAN-bus) connection of a [[venus-os:start|GX device]] with these batteries for communication of charge and discharge limits, error codes and state of charge.  This is set to 500 kbit/s. It is essential to use the BMS-Can (or CAN-bus) connection of a [[venus-os:start|GX device]] with these batteries for communication of charge and discharge limits, error codes and state of charge.  This is set to 500 kbit/s.
  
-It is recommended to use the latest firmware version on new installations and when trouble shooting issues.+It is recommended to use the latest firmware version on new installations and when troubleshooting issues.
  
 Victron BMS cable type A or B can be used to connect between the TAB COM port and the GX device.  Victron BMS cable type A or B can be used to connect between the TAB COM port and the GX device. 
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 Once the communication is established: If the battery doesn’t receive any communications from the GX device for 30 minutes it will shut down. Once the communication is established: If the battery doesn’t receive any communications from the GX device for 30 minutes it will shut down.
  
-At 3.60V cell voltage battery will trigger a warning, at 3.70V battery will disable charging. If the battery is overcharged, only the module with overcharged cells will isolate charging mosfets and stop charging, other modules can still charge, but CCL will be 0. The system can normally discharge.+At 3.70V cell voltage battery will trigger a warning and disable discharging, at 3.78V battery will trigger an alarm. If the battery is overcharged, only the module with overcharged cells will isolate charging mosfets and stop charging, other modules can still charge, but CCL will be 0. The system can normally discharge.
  
-When the battery is over discharged (min cell voltage below 2.70V and above 2.00V) it will still allow charging with low current (CCL 5A per module).+When the battery is over discharged (min cell voltage below 2.50V and above 2.00V) it will still allow charging with low current (CCL 5A per module). Normal charging will be restored after min cell voltage reaches 2.80V.
  
-If the minimum cell voltage drops below 2.00V it will disable charging and discharging and you will need to contact your supplier for support.+If the minimum cell voltage drops below 2.00V it will disable charging and discharging. Contact your supplier for support.
  
  
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 ===== 3. Further system integration documentation  ===== ===== 3. Further system integration documentation  =====
 +
 +https://www.tab.si/tab-e-module/
  
 {{ :battery_compatibility:tab_e.module_l5.1_operation_manual.pdf |}} {{ :battery_compatibility:tab_e.module_l5.1_operation_manual.pdf |}}
battery_compatibility/tab.1752641267.txt.gz · Last modified: by guy_stewart

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