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Inverter Guides
Inverter Guides

A GX device is required, eg Cerbo GX, etc

It is essential to use the BMS-Can (500 kbit/s) connection type of a GX device with Pytes batteries for communication of charge and discharge limits, error codes and state of charge.

It is possible to use either the BMS-Can or VE.Can ports with this battery. Depending which one you use will require additional configuration on the batteries side, please see the documentation linked below for instructions.

The minimum supported GX firmware version is v3.31. It is recommended to use the latest firmware version on new installations and when trouble shooting issues.

All 48V Multis, MultiPlus, Quattros and RS models are compatible

The minimum supported firmware version for VE.Bus models is 469. Minimum supported firmware for RS models is 1.16. Updating to the latest firmware is recommended for new installations, and troubleshooting issues.

These VE.Bus inverter/charger units must be connected to the GX device via the VE.Bus connection port.

In grid connected systems, advanced control functions are configurable in the ESS settings on the GX device.

In off-grid systems, the control functions of the Battery Management System (BMS) are built into the latest version of the GX device.


Solar Charger compatibility

All 48V BlueSolar and SmartSolar MPPT Chargers are compatible.

Some of our Solar Chargers feature a VE.Direct communication port, some feature a VE.Can communication port, and some feature both. Both of these types of communication ports can be used to connect the Solar charger to the GX Device. Such connection is mandatory, because it is used to regulate charge currents and voltages.


DIP Switch Setting

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Notes: If multiple batteries connected in one group. Only the Master battery need to adjust the Dip Switch, keep other slave batteries in the default position. Please adjust the Dip Switch before powering on.

Connect the communication cable

A custom ethernet cable is needed for the communication between Pytes battery and GX Device.

Pin assignment of GX Device.

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Connect the VE.Bus ends of the inverter and GX Device by standard ethernet cable. Plug in the battery end into the CAN of the Pytes battery and plug in the inverter end into the VE.CAN/ BMS-Can of the GX Device as shown in the following picture

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If you bought any other products of Victron Energy, please refer to the picture below or Manual to connect it. 

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Program the GX Device

➢ Press Settings and down to the Services at the bottom line.

➢ Select the VE.CAN port line.

➢ Select the CAN-bus BMS (500 Kbit/s). 

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➢ Select the DVCC.

➢ Enable DVCC, and Disable SVS and STS

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Check device connection information

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ESS Assistant Setup

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Pytes Support

Pytes Tech-Support Contact Information

• Phone: +1-6267343692

• Email: pytesusa@pytesgroup.com

• Support Tickets: https://www.pytesusa.com/Support-Tickets.html

Userful links:

• Various inverter Guides on our website: https://www.pytesusa.com/Inverter-Guides/


Victron Support

Support Tickets https://www.victronenergy.com/support

Community knowledge base: https://community.victronenergy.com/index.html