Toho-electronics TTM-10L Manual do Utilizador descarregar pdf (Página 16)

6. Connections

6.1 Connecting TTM-10L in RS-485

High-level computers (parent stations) TTM-10L (child stations)

Install an end of line resistor at both of the farthest devices in the parent station and the mobile unit.

For a resistance value, use one that matches the characteristic impedance of the cable. Provided that

the synthesis is set to at least 75Ω.

6.2 Connecting TTM-10L in RS-232C

High-level computers (parent stations) TTM-10L (child stations)

For actual use, the following connection is required inside the connector in the parent stations: CS

(transmission permission) and ER (data terminal ready), and RS (transmission request) and DR (data

set ready) and CD (reception carrier detection).

TTM-10L (child stations)

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