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T1, T2, T3, Ÿ Դϱ ? ( Foundation Fieldbus )
2007.01.20 1677
.
T1 ־ 巹 󿡼 ̽ ϴ Ķ̴.

Ϲ Ķ͸ ų ʿ䰡 , ׷ ̽ ī尡
巹 ̽ ų
ִ.

̷ ĶͿ Ȯ   ̽ڿ Ͽ ִ.
͸ ϰ ִٸ Ƹ V-巹
õϴ ̽ ûϴ WHO_HAS_PD_TAG Ե ̰
ƿԵǴ ϳ IDENTIFY Եȴ,

׷ ( SET_ADDRESS packet ) ܰ迡 Ͽ ȣƮ ʴ´,

̰ Ƹ T1 ʹ ۰ Ǿ ǹϰԵǴ ̴.

T3 װ ο 巹 ϰ ̽ Ͽ ð
ϴ Ķ̴.

Ķʹ ũ󿡼 ̽ Ǿ 巹 Ͽ ϰ ȴ. ( ڿ 巹鿡 Ͽ  ϴ°
ħ "Setting Number of Polled Addresses" )  

͸ ̸ ̽ װ (Probe Response )
ȣƮ ȣƮ ο 巹 ϳ ̽ (IDENTIFY packetμ ) ĺϰ Ǵ ԵǴ Ƹ ̴.  .

̰ ʹ T3 ǥ ϳ ̴ ; ̰ ߻ϸ
ο 巹 Ͽ IDENTIFY AFTER the PR ߻ T3 Ų.

ý ŴƮ -Ÿ̸ӵ ( info timers )δ 1/32и ִ;
T3=3000 units T3=1 ǹѴ.

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