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A5E32007360
SITRANS LR460 – ÐÅÑÉËÇÐÔÉÊÏ ÅÃ×ÅÉÑÉÄÉÏ ÏÄÇÃÉÙÍ
Óåëßäá EL-7
m
mmmm
ÅëëçíéêÜ
Êáëùäßùóç ôïõ SITRANS LR460 HART
(óõíÝ÷åéá áðü
Óýíäåóç ôïõ SITRANS LR460
óôç óåëßäá 6
)
ÐñáãìáôïðïéÞóôå ôçí åãêáôÜóôáóç óýìöùíá ìå ôçí ðáñÜãñáöï
Êáëùäßùóç êáé
åãêáôÜóôáóç
óôïí Ïäçãü åöáñìïãÞò HART (áñéèìüò ðáñáããåëßáò HCF_LIT-34), ðïõ
äéáôßèåôáé óôçí ôïðïèåóßá: http://www.hartcomm.org/technical/doclist.html.
Óýíäåóç HART
4.
ÓõíäÝóôå ôïí áãùãü ãåßùóçò ôçò ôñïöïäïóßáò óôïí
áêñïäÝêôç ãåßùóçò
ôïõ ìåôáëëéêïý âñá÷ßïíá
óôÞñéîçò, óôï åóùôåñéêü ôïõ ðåñéâëÞìáôïò.
Ðñïóáñìüóôå ôï ìÞêïò ôïõ êáëùäßïõ, Ýôóé þóôå ï
áãùãüò ãåßùóçò íá áðïóõíäÝåôáé ôåëåõôáßïò óå
ðåñßðôùóç ðïõ ôñáâç÷ôåß ôï êáëþäéï
.
5.
Óößîôå ôï óôõðéïèëßðôç êáëùäßïõ êáé åëÝãîôå ôï
ôæüãï (ôñáâÞîôå êáé ðåñéóôñÝøôå).
Óçìåßùóç:
Ôï LR460 HART äåí ÷ñåéÜæåôáé ñåýìá áðü ôï âñü÷ï 4-20 mA.
1 2
6
4 5
3
7 8
L
1
L
2
N
mA
Rated temperature of
connection cables must
exceed maximum ambient
temperature by at least 15 K
¸êäïóç AC
áêñïäÝêôçò
ãåßùóçò
óöéãêôÞñáò
êáëùäßïõ
1 2
6
4 5
3
7 8
mA
19-30 V
Rated temperature of
connection cables must
exceed maximum ambient
temperature by at least 15 K
¸êäïóç DC
áêñïäÝêôçò
ãåßùóçò
óöéãêôÞñáò
êáëùäßïõ
PLC ìå êÜñôá
åéóüäïõ mA
PC/öïñçôüò õðïëïãéóôÞò
ìå ìüíôåì HART ðïõ
åêôåëåß ðñüãñáììá PDM
LR460
R
= 250
HART
Communicator
375
Óçìåéþóåéò:
•
Ãéá áðñüóêïðôç åðéêïéíùíßá ìÝóù ôïõ ðñùôïêüëëïõ HART,
åíäÝ÷åôáé íá ÷ñåéáóôåß áíôéóôÜôçò 250 Ohm, åÜí ç áíôßóôáóç
âñü÷ïõ åßíáé ìéêñüôåñç áðü 250 Ohm.
•
Ìüíï ìßá óõóêåõÞ åðéêïéíùíßáò HART èá ðñÝðåé íá åéóÜãåôáé óôï
âñü÷ï.
ÔõðéêÞ äéáìüñöùóç PLC/mA ìå HART
óôõðéïèëßðôå
ò êáëùäßùí
áêñïäÝêôçò
ãåßùóçò