RS-485 / RS-422 HUB
ADA-4044H

RS-485 / RS-422 HUB* The prices are given in the response to the offer.

The ADA-4044H HUB is used for creation star-branches from the main bus and also separation and extending of RS485/RS422 bus for next segment 1200m without interfering with the format of transmitted data. The HUB has one input RS485 port (RS485-IN) for connection of main bus and 4 separated output ports for connection of 2-wire bus or 2 ports for connection of 4-wire-bus of RS485/422. It is possible to connect to the each output ports up to 64 devices on 4-wire RS485 bus or 128 devices on 2-wire RS485 bus or 2 addressable devices with RS422 interface. The setting of port type is by "RS-485 PORTS" switch on the front panel.
ADA-4044H can be used also for communication with devices in star topology located in different places where RS485 chain topology is impassible.
The baud rate is up to 230,4 kbps via 4 or 2 pairs or twisted pair connected to screw terminal block with devices as: PLC, measuring devices, electronic scale and cash registers. Surge protection on each RS485/RS422 line was made on the basis of surge diodes and fuses.

Example of connection HUB ADA-4044H