Toho-electronics TTM-00BT Instrukcja Użytkownika Pobierz pdf (Strona 31)

31

7.9.15 Communication wiring

1) Connecting the RS-485 line

Ｔ／Ｒ（Ａ）

Ｔ／Ｒ（Ｂ）

Ｔ／Ｒ（Ａ）

Ｔ／Ｒ（Ｂ）

Ｔ／Ｒ（Ａ）

Ｔ／Ｒ（Ｂ）

Ｔ／Ｒ（Ａ）

Ｔ／Ｒ（Ｂ）

上位コンピュータ（親局）本器（子局）

本器（子局）

本器（子局）

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.

2) Connecting the RS-232C

Ｒ

Ｔ

Ｒ

Ｔ

ＳＧＳＧ

In practice, it is necessary to connect the CS (transmission enable) and the ER (data terminal

ready), and connect the RS (transmission request) and DR (data set ready) and CD (reception

carrier detection) inside the connectors of the parent station.

High-level computer (parent stations)

This product (mobile unit)

This product (mobile unit)

This product (mobile unit)

High-level computer (parent stations)

This product (mobile unit)

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