NOVUS AirGate-Modbus - Manual (Page 6)

AirGate-Modbus
NOVUS AUTOMATION 6/22
USING THE OPERATION MODES
WIRELESS SEGMENTS IN ANY POINT OF AN MODBUS NETWORK
Division of a wired network in wired segments interconnected by wireless segments. The division occurs far from the
Modbus master. It uses the RS485 port AirGate-Modbus to communicate with the master and the slaves. Additional
wireless segments can be inserted. Fig. 5 illustrates this possible application.
Fig. 4 - Wireless segments in any point of a Modbus network
WIRELESS SEGMENTS CLOSE TO THE MODBUS MASTER
Division of a wired network in wired segments interconnected by wireless segments. Wireless segments located close to
the Modbus master which communicates by USB port. It allows the AirGate-Modbus using as a USB-RS485 convertor
for the first wired segment. Fig. 6 illustrates this possible application.
Fig. 5 - Wireless segments close to the Modbus master
WIRELESS SEGMENTS CLOSE TO MULTIPLEXED MODBUS MASTERS
Multiplexing of 2 masters, one connected to the USB interface and another to the RS485. Wireless section located close
to the Modbus masters. It also allows the usage of a single master in any of the 2 interfaces (USB or RS485).
Fig. 7 - Wireless segments close to the multiplexed Modbus masters