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Hardware Platform 10 Installation Guide
26
Automatic Data Flow Control Function for RS-485
The CER controller automatically senses the direction of incoming data and switches its
transmission direction accordingly. Therefore no handshaking signal (e.g. RTS signal) is
necessary. This feature lets you simply and quickly build an RS-485 network with just
two wires. More importantly, application software previously written for half duplex
RS-232 environments can be maintained without need for modification.
The RS-485 pin-out
See the chapter “Pin Assignments” for Hardware platform specific information about the
pin-out.
Caution!
Be sure to conform to the pin-out of Hardware platform RS-485 ports
when making direct connections to this port.
You may cause damage to your devices and/or controller when incorrect
cable layouts are beeing used.