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TK020 取扱説明書【英文】 資料|製品情報|東横化学株式会社 manual tk020 e

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(1)

LIQUID DETECTION SENSOR

TK-020 SERIES

OPERATION MANUAL

(2)

Intro d uc tio n

・We appreciate that you have purchased our liquid detection sensor .

・Before you install or operate it, please read this operating manual thoroughly, and follow the

Instruction in order to avoid any accident, malfunction, defects, and hazards.

・Please keep this manual with good care as long as the sensor is operating.

Ta b le o f C o nte nts

1. De sig na tio n o f Se nso rs・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

Se nso r He a d (TK-020M)・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

C o ntro l Unit (TK-020C)・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

2. Installation・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

3. Wiring Instruction・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

4. Adjustments・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

No liquid・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

Liquid existing・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

5. Specifications・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

3 3 3 3

5

6

8 6 4 3

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1. Designation of Sensors

(1)

S ensor Head (T K- 020M)

(2)

C ontrol Unit (T K- 020C )

PRE SET (Sensitivity Adjusting Pot)

Power Source +24V Terminals 0V for Sensor

Output Head

Open Collector

T K – 0 2 0 C

Ba se Pla te

Thumb Sc re w

Tra nsp a re nt Tub e

Se nso r Bo d y

(4)

2. Installation

You can simply install into a transparent tube, grasping the tube between Sensor Body and

Base Plate tightened by the Thumb Screw. Refer to the illustrations on the former section.

CAUTION

(1) Be sure that the sensing surface (Light emission/reception window) and the tube

surface must contact completely each other.

(2) Be aware that the Base Plate is so fragile that over-tightening with Thumb Screws

may cause the crack of it.

(3) Recommend the torque for tightening will be approx. 2.53.0kgfcm, and avoid

(5)

3. Wiring Instruction

(1) Generally 4-line flat cable is supplied with Sensor Head by 2-meter long.

(2) Connect each line with the terminal on Control Unit as below:

Red・・・・・・・PRO

White・・・・・E1

Blue・・・・・・E2

Orange・・・REC

(3) Connect the correct power source (DC24V) to the terminals +24V and 0V

respectively.

(4) Avoid contact between Red lines and either of White or Blue line. Unless, the serious destruction on Sensor will occur.

CAUTION

Keep the load current NOT EXCEEDING 50mA. Unless, the output circuit of

Sensor may be destroyed.

You cannot apply 2 or more Sensor Heads into one Control Unit. One Control

Unit must accept only one of Sensor Head.

(5) Don’t make any lines contact each other when the power is applied.

O utp ut1 0V

BLUE WHITE RED

T K – 0 2 0 C

TK-020M

(6)

4. Adjustments

(1) No Liquid inside the tube

① Install Sensor Head on the tube, and apply the power into it, as followed by the

foregoing procedure.

Turn SENSITIVITY Adjusting Pot.(SAP) located in Amplifier Unit fully counter-clockwise(C-CW) for LOW direction as shown on the panel until the mark △

has met with the pot.

LIQUID INDICATOR LED (LIL) will become red.

② Turn PRE SET Adjusting Pot.(PSAP) C-CW until LIL changes its color from red into

green, then stop turning.

③ Turn SAP fully clockwise(CW) for HIGH direction until the mark ▲ has met with the pot.

LIL shows green.

(2) Liquid Exist inside the tube

① Install Sensor Head on the tube, and apply the power into it, as followed by the

foregoing procedure.

Turn SENSITIVITY Adjusting Pot.(SAP) fully clockwise(CW) for HIGH direction until the mark ▲ has met with the pot.

LIQUID INDICATOR LED (LIL) will become green.

② Turn PRE SET Adjusting Pot.(PSAP) CW until LIL changes its color from green into red,

then stop turning.

In case that LIL will not change the color, fully turn C-CW though.

③ Turn SAP fully counter-clockwise(C-CW) for LOW direction until the mark △ has met

with the pot. LIL shows red.

Chart of Control Unit (TK-020C) Panel

PAT. P. Mod.TK-020C

Pho to e le c tric Liq uid Se nso r PAT.P.

Mo d .TK- 020C

PRESET

LIQ UID INDIC ATO R

LO W HIG H

(7)

IMPORTANT

It is recommended that Liquid Detecting Sensors should be maintained once a year or more, for adjusting its sensitivity, during Sensors keep operating.

If the Sensors are applied for permeable liquids against the tube; for example hydrogen chloride (HCl), the substances may be exposed on the surface of the tube in liquid phase or in solid phase.

(8)

5. Specifications

Model NO. Sensor Head TK-020M, Control Unit TK-020C Power Source DC24V± 10%

Current Consumption 55mA below Tube O.D.(inch) 3∼6mm

Detecting Method Infrared Photoelectric Device

Output NPN Transistor Open Collector, 50mA Ambient Temperature 0℃∼60℃

Sensitivity Adjust Available (See 4. for details)

Water Protection Available for Sensor Head (Silicon stuffed-in) Body Material Head : Poly Carbonate, Control Unit : ABS Resin Cable Flat-cable, 4-line, 2 meters long (st’d)

参照

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