FIAMA VIR-SP Руководство - Страница 2

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Transducer assembling

The magnetic transducer measures the movement of the magnet which rotates on the revolving part:

every time that the magnet pass by the transducer it creates an impulse which will be worked out of the

instrument to visualize the required parameters.

The correct assembling of the transducer provides that the magnet is mounted on the shaft that turns

with the coil on which is wound the tube.

This is very important for the functioning of reading system because the display has to measure the

drawn out meters during the unwinding of tube.

Do not mount the transducer on a shaft in neutral during the unwinding of tube.

CABLE SIDE VIEW

YES

MAGNET TRAJECTORY

The assembling has be carried out according to the following scheme:

The transducer has on the cable side a small nick that comes out from the resin tapping; this reference

has to be in line to the flight that covers the magnet when it is rotating in front of the transducer.

During the irrigation the minimum speed perceivable from the display is 1 impulse every 100 seconds,

therefore the minimum rotation speed of the shaft on which is mounted the transducer, must be higher

then 0,6 rpm (1 revolution each 100 seconds).

As indication has to be considered that the instrument updates the reading every time the magnet

passes in front of the transducer, therefore to have a faster update of the display it's advisable to

assemble the transducer on a shaft which during the irrigation has a not too slow speed (for ex. with 5

rpm it reaches a reading update each 12 seconds).

As higher speed limit has to be considered that the maximum rotation speed happens during the drawn

out of tube and this do not have to exceed 2000 rpm.

Transducer connection

To connect the transducer open the back panel of the instrument screw off the 4 closing screws, reach

the 3 poles terminal board taking out the battery case. Thread the cable into the press-cable and

connect it according to the following scheme:

BROWN

BLACK

BLUE

Carried out the connection close the panel and shut the press-cable. Once mounted and connected the

transducer on the irrigator, if the direction is not the same of the instrument, its enough to change

round the connection of the blue and black wire on the terminal board inside the instrument or turn the

transducer half a round to move the reference nick of 180 degrees.

N.B.: if the machine direction is not the same of the instrument during the tube drawing, after the zero

setting of the display, instead of the unwound meters, the display will shows an error message - - -.

Data: 20/02/06

YES

TRANSDUCER

CABLE

REFERENCE

TO CHANGE ROUND THE DIRECTION, EXCHANGE THE

BLACK WITH THE BLUE OR TURN THE TRANSDUCER

HALF A ROUND

File : VIR_SP_ing.doc

MIN 1

MAGNET TRAJECTORY

MAX 5

CH17

MAGNETIZED SIDE (SMOOTH)

Rev:1.2

MIN 0,6 RPM

MAX 2000 RPM

MAGNET

CH13

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