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TOWA TSS Instruction Manual

Capacitance type level sensors
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CAPACITANCE TYPE LEVEL SENSORS
MODEL：
Meanings of indications for safety used in this Instruction Manual are as follows.
WARNING: Indicates that improper handling assumes the risk of a fatal or serious injury.
CAUTION: Indicates that improper handling assumes the risk of injury or damage to property
TOWA SEIDEN INDUSTRIAL CO., LTD.
HEAD OFFICE
OSAKA PLANT
INSTRUCTION MANUAL
TSS
only.
Phone: 81-6-6340-5522, Fax: 81-6-6340-5519
Phone: 81-6-6340-2831, Fax: 81-6-6349-6551
URL http://www.towa-seiden.co.jp
No.ETSS1000-1
2019.08.30.

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Summary of Contents for TOWA TSS

  • Page 1 WARNING: Indicates that improper handling assumes the risk of a fatal or serious injury. CAUTION: Indicates that improper handling assumes the risk of injury or damage to property only. TOWA SEIDEN INDUSTRIAL CO., LTD. HEAD OFFICE Phone: 81-6-6340-5522, Fax: 81-6-6340-5519...

  • Page 2: Table Of Contents

    Introduction This instruction manual explains how to use and adjust the product properly. Please be sure to read this manual before using the product. Keep this manual in a convenient location for easy reference as required. This instruction manual describes the standard specifications. If the product you purchased is based on special specifications, the details may differ from the product.

  • Page 3: Precautions On Handling The Product

    1. Precautions on Handling the Product Warning This product has no explosion-proof structure. Do not use the product in a place where flammable or explosive gas is generated. 1) Check the identification plate after unpacking to confirm that the product is what you ordered.

  • Page 4: General Specifications

    3. General Specifications Converter Type number TSS-RB1/TSS-RB2 Type: TSS-RB1 AC100/200 -10 to +20% (50/60Hz) Power source Type: TSS-RB2 DC 24V ±10% Power 2.0VA consumption AC 250V 3A (Resistance load) Output Relay output (1C Contact) DC 30V 3A (Resistance load) Operation Red LED turns on upon detection.

  • Page 5: Outline Drawings

    4. Outline Drawings Type number: TSS-A1SA-025 Dimensional outline drawing Rubber bushing Material : Steel plate Painting : Yellow TSS-RB1/TSS-RB2 Dimensional outline drawing Individual dimensional outline drawings are provided separately. Please contact our sales representatives. ４...

  • Page 6: Type Description Table

    5. Type Description Table 5.1 Detector *L dimension column is blank for □□□ □□□ TSS － － flat types L dimension L-250 mm L-2000 mm L-10 m Static-capacitance level sensor Discrete type Temperature inside the tank MAX 80°C MAX 150°C MAX 200°C...

  • Page 7: Precautions On Mounting

    5.2 Converter □ TSS － RB Static-capacitance level sensor Discrete type Converter Power supply specifications AC 100/200 V -10% to +20% (50/60 Hz) DC 24 V ±10% 6. Precautions on Mounting 6.1 Checking detector mounting In mounting the detector, secure space for mounting and an area for maintenance around the periphery of the tank to maintain workability.
  • Page 8 Caution: Failure to meet these conditions may result in abnormal use due to adhesion of the measured object to the electrode, deterioration of sensitivity, and inability to make adjustments. When mounting the product onto a tank, be sure to establish electrical conductivity between the ground electrode (flange and mounting screw portion) and the tank.
  • Page 9 product to malfunction. 14) Do not mount the product in a place where it is exposed to direct sunlight. When the temperature exceeds the allowable range for the instrument, it may cause a malfunction. Provide a protective cover as required. 15) Take the precautions described below when using the product in a place where the housing may be exposed to water drops.
  • Page 10 accumulation and adhesion of the measured object. In the case of a vertical (longitudinal) mounting, adhesion of the measured object to the electrode is less likely, providing stable operation. However, the part of electrode that is effective for detecting the measured object becomes smaller, resulting in reduced accuracy.

  • Page 11: Wiring

    Warning Converter TSS-RB1 is specified to AC 100/200 V, whereas converter TSS-RB2 is specified differently to DC 24 V. Pay attention because they cannot share the same power source.
  • Page 12 4) For the converter with AC specifications (TSS-RB1), when used at 90–120 V, set up a connection to the 0 and 100 terminals, and when used at 180–240 V, set up a connection to the 0 and 200 terminals.
  • Page 13 7.3 Conductor outlet The cable runs through the conductor outlet of the detector and is secured either with a cable gland or with a cable tube that is connected to the housing. In either case, be sure to prevent water coming along the cable or cable tube from directly entering the housing by configuring the connection of the cable and flexible tube downward first and then upward.

  • Page 14: Panel Description

    8. Panel Description Pilot lamp Delay timer Main adjusting dial Panel diagram <Description of each unit> - ADJ (Main adjusting dial) This dial is used to adjust the sensitivity according to measured objects. The effective range of adjustment is provided by 10 rotations. - PL (Pilot lamp color in red) The lamp turns on upon detection.

  • Page 15: Adjusting Sensitivity

    9. Adjusting Sensitivity Use the ADJ dial to adjust the sensitivity according to the property of measured objects. Adjustment is done by checking the values at the maximum and minimum adjustment positions and then setting the dial value to the middle point. For details, refer to sections 9.1 to 9.3.

  • Page 16: Setting Delay Timer

    10. Setting the Delay Timer This product provides a delay in time between detection of the Rotation range (about 250°) measured object and output operation. Turning the trimmer of the delay timer in the direction of the arrow increases delay time up to 10 seconds maximum for adjustment.
  • Page 17 5) The product is frozen in the detection status. ---Check for adhesion of the measured object to the electrode portion. ---Check for condensation inside the chassis and the electrode. 6) The product stopped outputting signals or is frozen in the output status. ---Check the contact resistance between the output terminals.

  • Page 18: Maintenance

    10M Ω Every Amplifier Insulation- Amplifier or more. months replacement resistance (TSS-RB1 excepts P,E terminals. meter TSS-RB2 excepts P,E,0,24 Terminals.) Turn on the power and check that the pilot lamp turns on and output switching is operating when the Screw driver...

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