The tradeoff is that an RS485 link is half-duplex – that is, two or more devices cannot transmit at the same moment of time. If you ever really need a full-duplex connection, where devices X and ...

The Marshall RCP Plus features an Ethernet connection that supports Visca-over-IP, along with the ability to control via ...

The Marshall RCP Plus features an Ethernet connection that supports Visca-over-IP, along with the ability to control via traditional RS485. Additionally, the device includes Power over Ethernet ...

He developed his own hardware and packet format using the RS-485 protocol.

Features 12 output relays per unit Controls max. 192 floors per elevator Preset alert for alarms in APB zones Elevator groups can be added to a certain fire alarm zone Terminating resistance for ...