Gateway Modbus Ethernet is part of the family of 4-noks wireless ZigBee devices. Its purpose is to be an interface between a Personal Computer or an advanced PLC with the network of 4-noks devices using an universal standard protocol such as Modbus/TCP-IP and trough Ethernet network.
The Gateway Modbus USB is part of the family of 4-noks wireless ZigBee devices. Its purpose is to be an interface between a Personal Computer and the network of 4-noks ZigBee devices using an universal standard protocol such as Modbus/RTU via USB port.
Gateway Modbus RS485 is part of the family of 4-noks wireless ZigBee devices. Its purpose is to be an interface between a PLC (Programmable Logic Control) or a Personal Computer and the network of 4-noks ZigBee devices using an universal standard protocol such as Modbus/RTU via RS485 serial interface.
ZB-Connection 
