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Ŀ̼ ʵ Ʈ-Ʈ(FAULT-STATE) Դϱ ? װ  ۵մϱ ? ( Foundation Fieldbus )
2007.01.20 2633
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Ʈ-Ʈ Ķʹ ҿ伺 Ǵ Ǿ Ͽ Ͽ
Ǵ ġ Ѵ.
Ʈ-Ʈ  Ǽ Ǵ Ȯ ǰ Ͽ Ͽ Ǿ Ǿ
Ǿ.
μ Է ϴ ɺϵ Ǽ Ǵ Ȯ Է ϴ
Ư  "Ʈ-Ʈ" ó ϴ Ķ͵ Եȴ.

<<<󼼳>>>

Ʈ-Ʈ Ķʹ ɺΰ Ʈ༭Ͽ Ͽ Ϲ ̱
ҽ Ѵ.
ƮƮ Ķʹ FSTATE_TIME ϳ Ǵ ̻ ƮƮ Ȳ
̽ Ÿ Ͽ Ͽ Ѵ.
ƮƮ Ȳ Ʒ ͵ Ѵ.

- CAS_IN ս
- ǥ 尡 CAS϶ CAS_IN ƮƮ Ȳ
- ǥ 尡 RCAS϶ CAS_IN ƮƮ Ȳ

尡 ƴҶ ( Out ogf Service (O/S)) 򰡵Ǿ ʴ´.
ɺ ϻ Ǿ ȴ. ɺ̸
׶ ٷ Ҵ Ʈ-Ʈ Ǵ ϰ ȴ.
ºϿ Ͽ Ʈ-Ʈ Ǵ Ʈ-Ʈ Ǿ
ȴ.

Ȳ ϳ FSTATE_TIME ϸ ׶ Ʈ-Ʈ Եȴ.
ҽ Ʈ-Ʈ Ķ͸ ϴ ̺ Ʈ-Ʈ
ȴ.
"Fault State to Value" IO_OPTION ġ ¸ ܼ ϴ Ǵ FSTATE_VAL ̵ϴ° Ѵ. IO_OPTION 0 ̰ Ǹ
ġ ġ() ϰԵȴ. IO_OPTION 1̰ Ǹ ̸ FSTATE_VAL ȴ.

Target to Manual if IFS IO_OPTION Ʈ-Ʈ ױ Ͽ ǰ ɰ̴
Ǿ ̷ IO_OPTION ϴ Ʈ-Ʈ 溸 ڵ ȯ ǥ (Target Model ) ߱ϰ ȴ.
ǥ Ȳ Ǿ κ Ǵ ʿϰ ȴ.

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Ĺ濡 ɺϿ Ϳ ΰ ϴ ߸ ִ.  
Ͽ ִ. Ƽ׷ 󿡼 Ѱ ɼ ְų Ǵ ҿ ִ.  
ϵ   ⿡ -갪 Ǵ ȭ , ִ. ͽ ߿ Ųٷ Ʈѷ װ Ĺ ̵̶ ִ.  
ijij󿡼 ߿ Ǵ Ʈ ɺ 쿡 Ĺ δ  ̵ ûϴ ɺ ̵ ϰ ȴ. Ĺ ۵Ȱ͵ ʱȭϴµ ִ ûϴ ɺ ۵ ( Ǵ μ )̴.  Ĺ λ󿡼 ǰ ȣ (ijij) Ǵ ҷ, Ȯε ¸ ִ.

´ °θ Ĺ ҽκ λ Ǵ Ʈѷ Ͽ ݵ ؾ߸ Ѵ.

Ű-ġ û󿡼 ̵  ϳ κ̵簡 Ǵ
Ʈ-Ʈ Ǵ ͷ Ƽ긦 ִ.
Ϲ 溸 ÷ Ʈ Ͽ Ͽ ĵǾ ִ.  

<<<ij̵>>>

ij̵ Ǿ ij̵μ -ͽ ɽ̵
ǰ  ȣϰ Ǿ ȴ.  䱸 -ͽ ´ FAULT STATE Ǵ LOCAL OVERRIDE Ͽ Ǿ ִ.
ǥ Էµ鿡 ϰ ȴ.
ǥ ij̵̰ ij̵尡 䱸Ǿ ʾ Ĺ μ-ͽ ûǾ ̴.
ź-ͽ  ǰ ʱȭ ν̴.   ij̵尡 ̴. IMAN ̴.

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 Է Ȳ Ȳ̰ų  »Ȳ 꿡 ɺ ¿ Ǿ ȴ. ϵ鿡 Ͽ 3 Ģ
Ǵ.
ϳ ij̵ ο Ǿ ִٸ ׶ ״ װ ݵ - Ķ͵ Ͽ Ѱ Ǿ Ѵ.  
ο ִ Bias/Gain Control Selector ̴. ( part 2, part 3 ) װ͵ Ͽ Ͽ Initiate Ʈ-Ʈ
Ų.

̽ ҷ -ͽ õ ɵ ϸ ĵǾ ȴ.  
ϵ Է Կ ٰϿ 溸 ϰ ȴ. ٸ ҷȲ ε̼ μ ĵǾ .
̰ װ , ׸ ׸ Ͽ ۵ϴ Ϳ Ͽ ܼϰ ִ Ͽ ش.  
ɺϵ 1 ¿ Ʈ-Ʈ õϱ Ͽ 1 Է¿  
"BAD" ĽŰ, ׸ Ȥ ǥ尡 Cas̸ 1 ¿ Ʈ-Ʈ ⵿ϱ ɽij Է» "BAD" ĽŰ ɼ ִ.

ϳ ϴ ȯ , Ǽ 1 Է¿   Ǽ ijij Է¿ ڵ ̵̴.
ϳ ɼ װ Է Ǵ ߿Ͱ Ʈ-Ʈ ġ ִ ¿ ijij Է ĽŰ Ͽ ش.

<<<ȣ(ijij) -ͽ>>>

ȣ (ijij) ͽ   ͽ ΰ Ʈ-Ʈ ɼ
ִ.
Ʈ Ʈ Ƽ ( Fault-State-Active (FSA)) - 7 Ͽ ǥõǾ Եȴ. Ʈ-Ʈ Ƽ긦 ִ κ Ǹ ̷ ͽ Ǿ .
Ϲ Ʈ 溸 ǥ Ͽ PIDϿ Ͽ ݵ ĵǾ Ѵ.  ̰ û (Not Invited) Ѵ.


ʱ Ʈ Ʈ(IFS) -ͽ 8 Ͽ ǥõǾ.  ̷ -ͽ Ʈ-Ʈ , AO, ϴ
̸ Ǿ ȴ.
̰ ٷ Ȥ ijij Է ° Ǽ Ʈ-Ʈ
ʱȭ ϱ ɼǿ Ͽ Ǿ ȴ.  Part2 3 ִ ͽ ɼ ̺ .

<<<-ijij>>>

Ʈ-ͽ »󿡼 Ȱ̰ ŸƮ O/S̸ O/S
ǰԵȴ; ٸ Ʈ ̵尡 ǰ ȴ.

<<<->>>

- Ʈ ȣ 5 ( 6° Ʈ ) Ʈ Ʈ Ȱȭ Ǿ Ǿ
ȴ.   Ʈ Ʈ ̻ Ȱ ƴҶ ְ ȴ.

<<<FF 溸>>>

ϳ FF溸 Ƽ Ʈ-Ʈ ٰϿ ߻Ǿ Եɰ̴. 溸 ǥ 溸 Ŀ Ͽ ޵Ǿ ̴.

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ºϿ ־ Ķ ϵ鿡 ־ʹ ٸ. ϳ Ÿ̸Ӵ
ϳ Ǵ ̻ ⿡ Ʈ ( Trigger ) Ǿ ȴ.

1. ð
2. ȣ (ijij) ijij Է - Ʈ-Ʈ ʱȭ Ǵ ȸ

FSTATE_TIMEĶͿ Ͽ ðȿ Ȳ ذ ״
Ʈ ĶͰ ̸ FSTARE_VALĶͷ ڵ ̵Ͽ ǰ û ŸƮ 带 ϰ ȴ.  
Ʈ-Ʈ Ķ͸ Ͽ ġ Ǿ ǰ - Ǵ Ʈ Ʈ ̵- µǾ ȴ.

<<< Ʈ Ʈ>>>

ϳ (ϵ) ̽ Ǵ ȣۿ Ʈ Ʈ ߻ ִ.
Ʈ Ʈ Ʈ Ȱ .

<<< ̽>>>

̽ κμ ϳ ̽ ܺ ͷ ؼ Ͽ ѽ
ũ͹̳ ȴ.  
׷ 鿡 ־ ̽ ܺ ȸΰ ܼǾ ִ ˻ϱ Ͽ Է Ѵ.  ܼ ȸ ˻翡 ־ ҽ Ʈ Ʈ ĶͰ Ǿ ȴ. ̰  Ʈ Ʈ ĸͿ Ͽ Ǿ
߱ϰ ȴ.
Ʈ Ʈ ׼ Ȱ϶ ̵ǰ ǰ
Ұϰ Ǿ. 缳ġ Ǵ ȸ ڿ ġ ۵ȵ
ڴ ٽѹ ° 带 Ͽ ȴ.

<<<ҽ Ʈ>>>

ҽ Ķʹ ɺ ø̼ ҽ ü Ȳ ݿѴ. Ķ͵
ҽ Ͽ ϰ ȴ.
7 ҽ Ʈ ( 0~6) ִ. ҽ Ʈ 6̸ ̰ ǥѴ. Ȳ ϴ ޸ ˻ Ǵ ŷ ۵ ϴ ٸ ϵ ̴.  
Ʈ ¸ ϰ  Ȳ  ȴ.
ü ̽ Ǵ ҽ ߿ ϰ ȴ. Ȱ Ʈ ٰϿ
ϳ ɺ װ Ʈ Ʈ ġ ȴ. Ʈ ȿ  ϵ ͽ ˵Ǿ ȴ.
ϵ ؼҵǸ ҽ Ʈ ʱ ⵿ȭ ϰ ȴ.
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