This page provides an overview of the wiring and pinout for the GRNbms MK3 Mini. Please refer to the respective Wiki pages for detailed information about CAN, RS485, and Modbus communication.

• Recommended input voltage: 11 – 14 V DC
• Power should be supplied via the designated power input pins (see pinout table below).

• The RJ45 port is directly compatible with a standard Ethernet cable.
• Designed for seamless plug-and-play connection with the GRNcmu Multi Mini module.

• Compatible with standard 4-pin 12 V PC cooling fans.
• The GRNbms provides PWM control and tachometer feedback support.

• Ready to use with Nextion displays.
• Direct plug-in, no additional adapters required.

Supply & Relays