|
|
|
|
|
|
|
|
Ŀ̼ ʵ ʹ Դϱ ? ( Foundation Fieldbus ) |
|
|
|
|
|
2007.01.20 |
|
2412 |
|
|
. ͵ -Ŀ Ͽ ǰų Ǵ -Ŀ ̽ ǰ Ǿ ʵ Ʈũ ϱ Ͽ ȴ.
ִ 4 /Ǵ Ȱ Ŀ÷ ʵ Ʈũ ΰ ̽ ̿ Ǿ ִ.
ϸ Ʈũ ̽ Ÿ ִ 9500 ( 31,168 , Ȥ 5.9 ) ִ.
ʹ IEC/ISA ǥ, 22.2.2 ʵ Ŀ̼ ø̼ ̵ FD043 Revision 2.0 ( ) AG-140 Revision 1.0 ( 31.25 kbit/s ἱ ġ ) Ǿ ִ.
ȸ ʵ ͵ ϰ ִ.
ٸ ̽μ ͵ Ȯ ø̼ǿ ٸ ø̼Ǻ ۿ Ѵ.
ϴ ǰ ü Ͽ ȸ翡 غ° ̴ֻ.
͵ -̸ װ͵ ʵ ̼κ ʾ ָ϶. ʵ Ŀ̼ ̽ ȣ ȣȯ ϰ ȣƮ ɵ ϸ, FFκ ǰ Ѵ.
ø̼ǿ ־ ͵ ʿ ʴ ֳϸ ϱ ̴.
ϳ ʵ ( FISCO, Fieldbus Instrinsic Safety Concept )̴
FISCO ǥ ƴϳ ̸ ڵ 翡 ġѴٰ ϴ ǰ ϰ ִ.
̽ ڸ ų ִ ٸ 庮 ( IS Barrier ) Ͽ (10A) Ȩ ϴ ̴. 翡 Ȩ б⼱ ϳ Ͽ¡ յǸ б 3-4 ̽ ϴ 踮 ִ. ̽ Ʈ ϳ IS б⼱ ϰ 踮 Ͽ ִ.
̷ ɼ Ѱ Ȩ ̺ - ( Homerun Cable Band Width ) ̸ Ʈ Ѱ迡 ִ° ƴϴ. . .
|
|
|
|
|
|
|
|
|
|
|
|
|