Datasheet

ManualsBrandsOmron Industrial Automation ManualsAutomationLevel Monitoring Relay, Value Design

New Product

Conductive Level Controller

K8DT-LS

Ideal for water level control.

Sensitivity adjustment and timer for easy usage.

• Sensitivity adjustment from 10 k to 100 k.

• Enables easy onsite adjustment.

ON-delay timer from 0.1 to 10 s.

Ideal as countermeasure for waves on liquid surfaces.

• Width of 17.5 mm to reduce space required in panels.

• Push-In Plus Technology that reduce wiring work.

Double-insertion holes for crossover wiring (all terminals).

• UL listed for easy shipping to North America.

• Models with transistor outputs added for low contact wear.

• RoHS compliant.

Ordering Information

Conductive Level Controller

Options (Order Separately)

Front Cover

Refer to Safety Precautions on page 7.

For the most recent information on models

that have been certified for safety

standards, refer to your OMRON website.

Power supply

voltage

Output Model

24 VAC/DC

Relay: SPDT contact output K8DT-LS1CD

Transistor: Open collector K8DT-LS1TD

100 to 240 VAC

Relay: SPDT contact output K8DT-LS1CA

Transistor: Open collector K8DT-LS1TA

Appearance Model

Y92A-D1A

Summary of content (12 pages)

PAGE 1
New Product Conductive Level Controller K8DT-LS Ideal for water level control. Sensitivity adjustment and timer for easy usage. • Sensitivity adjustment from 10 k to 100 k. • Enables easy onsite adjustment. ON-delay timer from 0.1 to 10 s. Ideal as countermeasure for waves on liquid surfaces. • Width of 17.5 mm to reduce space required in panels. • Push-In Plus Technology that reduce wiring work. Double-insertion holes for crossover wiring (all terminals). • UL listed for easy shipping to North America.
PAGE 2
K8DT-LS Accessories (Order Separately) Electrode Holders/Underwater Electrodes Application Model For generalpurpose use, such as water supply lines For areas with limited space PS-31 SUS304, 300 mm PS-3S/-4S/-5S For liquids with low resistance BF-1 When mounting strength is required For resistance to high-temperature For resistance or high-pressure against corrosion liquids BF-3/-5 BS-1 BS-1T For installation at long distances from the liquid level PH-1/-2 PH-2 SUS Appearance HAS titanium Ele
PAGE 3
K8DT-LS Ratings and Specifications Ratings Power supply voltage Specifications K8DT-LS1@D: 24 VAC 50/60 Hz, 24 VDC K8DT-LS1@A: 100 to 240 VAC 50/60 Hz Voltage across electrodes 5 V p-p (Approx. 20 Hz) Power consumption 24 VAC/DC: 1.8 VA/1 W max. 100 to 240 VAC: 2.5 VA max. Rated insulation voltage 253 VAC Operating resistance 10 k to 100 k (variable) Reset resistance 250 k max. Response time Approx. 0.1 to 10 s (variable) Length of cable 100 m max. (fully insulated 3-core 0.
PAGE 4
K8DT-LS Connections Terminal Diagram K8DT-LS1 C A (3) Power Supply Voltage (1) (2)(3) A: 100 to 240 VAC D: 24 VAC/DC (1) Water Level Inputs LS1 E1 E2 A1 A2 E1 E2 E3 A1 A2 A1 A2 (No polarity) E3 Water or other liquid (2) Output C: Relay Output DIP SW 14 T: Transistor Output 12 12 14 11 11 14 11 Inside Inside Note: 1. Do not connect anything to terminals that are shaded in gray. 2. Do not use the transistor output for control applications.
PAGE 5
K8DT-LS Nomenclature Front Panel Indicators Item Terminal block (See note.) Description Power indicator (PWR: Green) Lit when power is being supplied. Output status indicator (Output: Yellow) Lights for output. Setting Knobs Power indicator Operating resistance knob Item Description Output status indicator Operating time knob Operating resistance knob Used to set the resistance to 10 k to 100 k. Operating time knob Used to set the operating time to 0.1 to 10 s. Terminal block (See note.
PAGE 6
K8DT-LS Dimensions (Unit: mm) Conductive Level Controller K8DT-LS 90 86 17.5 100 5 90 Options (Order Separately) Front Cover Y92A-D1A 1.8 52.7 3.5 17.5 5.85 Optional Parts for DIN Track Mounting DIN Tracks PFP-100N PFP-50N 7.3±0.15 4.5 35±0.3 15 25 10 25 25 1000(500)* 10 25 15(5)* 27±0.15 1 * Dimensions in parentheses are for the PFP-50N.
PAGE 7
K8DT-LS Safety Precautions Be sure to read the precautions for all models in the website at the following URL: http://www.ia.omron.com/. Warning Indications CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage. Precautions for Safe Use Supplementary comments on what to do or avoid doing, to use the product safely.
PAGE 8
K8DT-LS Precautions for Safe Use 31.To prevent wire materials from smoking or igniting, use the wiring materials given in the following table. 1. Do not use or store the product in the following locations. • Locations subject to water, or oil Stripping length Recommended wire Without Ferrules With Ferrules • Outdoor locations or under direct sunlight • Locations subject to dust or corrosive gases (sulfurizing gases, ammonia gases, etc.
PAGE 9
K8DT-LS Screw Mounting Connecting Stranded Wires 1. Pull out the two hooks on the back of the Controller to the outside until you hear them click in place. 2. Insert M3 screws into the hook holes and secure the Controller. Use the following procedure to connect the wires to the terminal block. 1. Hold a flat-blade screwdriver at an angle and insert it into the release hole. The angle should be between 10° and 15°.
PAGE 10
K8DT-LS Recommended Ferrules and Tools EN/IEC Standard Compliance Recommended ferrules Wire (mm2) (AWG) 0.25 Recommended ferrules Ferrule length (mm) 24 Manufactured Manufactured Manufactured by Phoenix by by Wago Contact Weidmuller 8 AI0.25-8 H0.25/12 FE-0.25-8N-YE 0.34 22 8 AI0.34-8 H0.34/12 FE-0.34-8N-TQ 0.5 20 8 AI0.5-8 H0.5/14 FE-0.5-8N-WH 0.75 18 8 AI0.75-8 H0.75/14 FE-0.75-8N-GY 1 18 8 AI1-8 H1.0/14 FE-1.0-8N-RD 1.5 16 8 AI1.5-8 H1.5/14 FE-1.
PAGE 11
Terms and Conditions Agreement Read and understand this catalog. Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranties. (a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron).
PAGE 12
OMRON Corporation Industrial Automation Company Authorized Distributor: Kyoto, JAPAN Contact: www.ia.omron.com Regional Headquarters OMRON EUROPE B.V. Wegalaan 67-69, 2132 JD Hoofddorp The Netherlands Tel: (31)2356-81-300/Fax: (31)2356-81-388 OMRON ELECTRONICS LLC 2895 Greenspoint Parkway, Suite 200 Hoffman Estates, IL 60169 U.S.A. Tel: (1) 847-843-7900/Fax: (1) 847-843-7787 OMRON ASIA PACIFIC PTE. LTD. No.