Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manuel d'utilisateur télécharger pdf (Page 11)

<1. Wiring and Installation>

IM 12A01A02-12E 4th Edition : Sep. 3, 2013-00

NOTE

When two sensor modules are used, the upper-level module is for input 1 and the lower-level

moduleisforinput2.Foreaseofinstallation,rstwireinput2sensoronthelower-levelmodule

(A), and attach the wiring cover; then wire input 1 sensor on the upper-level module (B) and

replace the module wiring cover (C).

(A) (B) (C)

When all wiring is completed and all covers have been installed, the front cover can be closed

and the power can be switched on.

WARNING

Whenoneofthemoduleshasbeenremovedandreplaced,makesureyoulockthemodule

securelyinplace.Conrmthatalllocking-tabs(includingforBLANKslots)arein“Locked”

positionbeforeyouclosethefrontpanel.Ifthelocking-tabsarein“Unlock”position,thefront

panelmaybeinterferedwithlocking-tabs.

Unlock

Lock

WARNING

Do not tighten up four front panel screws one by one.

Eachfrontpanelscrewshouldbetightenedupintwotimesofscrewing.And,rstlythescrew

at the upper left should be screwed a bit, the next is at the lower right, third is at the upper right,

andfourthisatthelowerleft.Thesecondroundisthesamesequenceagaintotightenupfour

screws.

Do not use an electric screwdriver with high revolutions. If an electric screwdriver is used for

these front panel screws, the revolutions of the electric screwdriver should be less than 400 rpm.

Fourscrewsshouldbetightenedtothefollowingtorque;

0.8to0.9N•m(fortheplastichousing)

1.5to1.6N•m(forthestainlesssteelhousing)

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Pas de commentaire

Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Manuel d'utilisateur Page 11