Impulse 2123 Uživatelský manuál stáhnout pdf (Strana 11)

Echo

The RS-485 ‘Echo’ is the result of connecting the receiver inputs to the transmitter

outputs. Each time a character is transmitted; it is also received. This can be

beneficial if the software can handle echoing (i.e. using received characters to

throttle the transmitter), but it can also confuse the system if the software cannot

support echoing.

Echo configuration is software selectable for half-duplex RS-485. By default, ECHO

is disabled, and this configuration can be set by placing a check next to ‘Enable

Echo’ in the ‘RS-485 Advanced Configuration’ field, as pictured below.

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Impulse 2123 Uživatelský manuál Strana 11