Omron K8AK-LS Manual

Omron K8AK-LS Manual

Conductive level controller

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Conductive Level Controller
K8AK-LS
Ideal for Liquid Level Control in
Industrial Facilities and Equipment.
• Self-holding circuit implemented with circuit processing that is
not depending on external wiring.
• Switch between water supply and discharge with a DIP switch
setting.
• Sensitivity adjustment of operating resistance from 10 to 100 kΩ
for application to a wide range of liquids.
• Prevents chattering of relay contacts that occurs with ripples.
• Easy wiring with ferrules.
• Use 2 × 2.5 mm
solid wire or 2 × 1.5 mm
2
• Applicable as a floatless switch.
Refer to Safety Precautions on page 7.
Ordering Information
Power supply voltage
24 VAC/DC
100 to 240 VAC
Accessories (Order Separately)
●Electrode Holders/Underwater Electrodes
For general-pur-
Application
pose use, such as
water supply lines
Model
PS-3S/-4S/-5S
Appearance
●Electrode Rods
Electrode Rods are available in sets with the connection nuts, lock nuts, and tightening screws.
Application
Purified water service, industrial water, and sewage
Model
F03-60 SUS304
●Others
Protective Cover
(Electrode Holders for the PS
or BF Series)
Mounting Piece
(Electrode Holder for the PS Series)
Separator (to prevent contact between electrodes)
2
ferrules.
Model
K8AK-LS1 24 VAC/DC
K8AK-LS1 100−240 VAC
For areas with
For liquids with
limited space
low resistance
PS-31
BF-1
SUS304, 300 mm
Item
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
For resistance to
When mounting
high-temperature
strength is re-
or high-pressure
quired
liquids
BF-3/-5
BS-1
Purified water service, industrial water, sewage, and weak
alkaline solutions
F03-60 SUS316
F03-11
F03-12
F03-14 1P (one pole)
F03-14 3P (three poles)
F03-14 5P (five poles)
For installation at
For resistance
long distances
against corrosion
from the liquid level
BS-1T
PH-1/-2
SUS
PH-2
HAS
PH-1
titanium
Model
1

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Summary of Contents for Omron K8AK-LS

  • Page 1 • Applicable as a floatless switch. 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. Ordering Information Power supply voltage Model 24 VAC/DC...
  • Page 2 K8AK-LS Ratings and Specifications Ratings Specifications 24 VAC 50/60 Hz or 24 VDC Operating voltage Power supply voltage 85% to 110% of rated voltage 100 to 240 VAC 50/60 Hz range Voltage across electrodes 5 V p-p (Approx. 20 Hz)
  • Page 3: Wiring Example

    K8AK-LS Connections Terminal Diagram K8AK-LS1 100-240VAC Relay Output Control Output Common A Water Level Inputs Relay output 250 VAC, 5 A (resistive load) 30 VDC, 5 A (resistive load) Water or other liquid B Power Supply Voltage 100 to 240 VAC...
  • Page 4: Timing Charts

    K8AK-LS Timing Charts ●DIP Switch Pin 1: OFF (Automatic Liquid ●DIP Switch Pin 1: ON (Automatic Liquid Discharge Operation) Supply Operation) Power supply voltage A1-A2 Power supply voltage A1-A2 Electrode terminals E2-E3 Electrode terminals E2-E3 Electrode terminals E1-E3 Electrode terminals E1-E3...
  • Page 5 2. Screw tightening torque: 0.49 to 0.59 N·m Operation Method DIP Switch Settings The operating mode is set using the DIP switch located at the bottom of the Unit. The K8AK-LS does not have SW2. DIP switch pins ●DIP Switch Function OFF ● ↑...
  • Page 6 K8AK-LS Dimensions (Unit: mm) Conductive Level Controller K8AK-LS 22.5 Optional Parts for DIN Track Mounting ●DIN Tracks PFP-100N ±0.15 PFP-50N ±0.3 ±0.15 15 (5)* 1,000 (500)* *Dimensions in parentheses are for the PFP-50N.
  • Page 7: Safety Precautions

    K8AK-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 CAUTION which, if not avoided, may result in minor or Electrical shock may cause minor injury.
  • Page 8: Precautions For Safe Use

    K8AK-LS Precautions for Safe Use Precautions for Correct Use 1. Do not use or store the product in the following locations. Observe the following operating • Locations subject to water or oil methods to prevent failure and • Outdoor locations or under direct sunlight •...
  • Page 9 MEMO...
  • Page 10 MEMO...
  • Page 11: Terms And Conditions Agreement

    Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it to actual application requirements.
  • Page 12 The Netherlands IL 60173-5302 U.S.A. Tel: (31)2356-81-300/Fax: (31)2356-81-388 Tel: (1) 847-843-7900/Fax: (1) 847-843-7787 © OMRON Corporation 2014 All Rights Reserved. OMRON (CHINA) CO., LTD. OMRON ASIA PACIFIC PTE. LTD. In the interest of product improvement, Room 2211, Bank of China Tower, No.

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