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' Do not use this product under the environment including the following chemi-
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2
7" `-
3
3
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2
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' Unclear or highly viscous liquid may not be detected stably.
' Take care that the sensing performance may deteriorate depending on
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' Take care that the protective tube may stretch by maximum 2% of the
total length if it is used at a high temperature.
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performance can deteriorate.
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the sensing performance may deteriorate.
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from a rapid-starter lamp, a high frequency lighting device or sunlight,
etc., as it may affect the sensing performance.
' Do not use the product at places having intense vibrations, as this can
cause malfunction.
' Do not use the joint in any kind of liquid.
' The joint is made of resin. Take care of following items when using it.
| If the union nut on the joint is retightened many times, load is applied
on the threads and secure tightening will not be possible.
| Take care that using a deformed ferrule may cause leaks.
| Make sure that stress by forcible bend or pulling is not applied di-
rectly to the joint. Liquid may leak from a tank or the joint may come
off from a tank due to breakage or deform of the joint.
' Y 7!
the joint 24 hours later to prevent leaking. Tighten the joint under the
condition that a pressure is not applied to a tank and the liquid tempera-
ture is between -10 to +40°C.
' If the product is used under the environment that there is some tempera-
ture change, the joint may get loose. In that case, further tighten the joint
not applying the pressure to the tank and keeping the liquid temperature
between -10 to +40°C.
' If liquid leaks from a tank, tighten the joint since it may be loose. Tighten
the joint under the condition that a pressure is not applied to a tank or
the condition that the liquid temperature is between -10 to +40°C.
CAUTIONS
7
SPECIFICATIONS
6
Type
#`"R
Item
Model No.
FD-F41Y
FD-HF40Y
Z"
FX-300
($7
Sensing object
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Applicable bending
radius
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Fiber cable length
2m free-cut
Ambient temperature
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Storage: -&J~^J3
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Ambient humidity
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Ambient pressure
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-49 to +490kPa
Material
Protective tube: Fluorine resin
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FD-F41Y
Accessory
FX-CT3
"G$"
FX-AT4
9$J" G$
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FX-301B
7
FX-301G
7
FX-301H
FX-301-F
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range.
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set separately. For usage with both of these at or near the maximum permissible
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ambient temperature is +85
°C
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+490kPa, the product may break.
PROTECTION OF THE PROTECTIVE TUBE END
5
' If liquid or gas enters into the protective tube from its end, the product
can malfunction or break.
' Liquid preventive joint
MS-FX-01Y
R
The mounting method is as follows.
<How to mount>
1. Assemble the liquid preventive joint as
However, when tightening the union nut on
the body, keep a space so that the protective
tube can be inserted.
Union nut
Body
2. Insert the liquid preventive joint which is as-
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3. Insert the fibers into the two holes on the
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protective tube.
Protective tube
4. Insert the resin washer and the union nut
5. Adjust the end of the protect tube with the
center position of the liquid preventive joint.
Tighten the union nut on the black ferrule side
Q 7 -
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6. Tighten the union nuts on the white ferrule
side by hand till it is firmly fixed by hand.
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by using a wrench.
Note: Do not tighten the union nut on the white ferrule side before tightening the union nut on
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Fiber
#
SENSITIVITY ADJUSTMENT
4
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the sensitivity adjustment.
' Do not move or bend the fiber cable after the sensitivity adjustment.
Detection may become unstable.
<Example 1> When using in combination with FX-301(P)
<2-point teaching>
' This is the method of setting the threshold value by teach-
ing two points, corresponding to the not immersed and im-
mersed conditions. Normally, setting is done by this method.
1. Press the jog switch in the not immersed condition to read
incident light intensity.
Immersed
condition
Not immersed
condition
2. Press the jog switch in the immersed condition to read inci-
dent light intensity.
3. The setting is done.
Troubleshooting
'
FX-301
P
GK " "
FX-311
P
G R """! -
duce the sensitivity level or use the timer function.
'
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<Example 2> When using in combination with FX-311(P)
1. In the not immersed condition, slowly turn the sensitivity ad-
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switched ON.
Not immersed
condition
Immersed
condition
2. In the immersed condition, slowly turn the adjuster further
clockwise until the fiber amplifier goes into the ON state
again. Once it is switched ON, turn the adjuster counter-
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3. The position at the middle of points described in the step 1 and 2 is the optimum
sensing position. Turn the sensitivity adjuster to the optimum sensing position.
4. The setting is done.
Note: In order to protect the mechanism, the sensitivity adjuster idles when over turned which
may result in a backlash of 1 to 2 divisions.
<Limit teaching>
' This is the method of setting the threshold value by teaching
" !
"
1. Press the jog switch in the not immersed condition to read
incident light intensity.
Not immersed
condition
2. Turn the jog switch to “-=
to lower the threshold value.
(G
#
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tion Manual for details of the shift
amount and the setting method.
3. The setting is done.
0
100%
ON
OFF
Incident light in-
not immersed
15%
(
High
Low
Threshold
value
Threshold value
Union nut
Union nut
5
6
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