Omron K8AK-LS User Manual

New Product
1
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
2
solid wire or 2 × 1.5 mm
2
ferrules.
• Applicable as a floatless switch.
Ordering Information
Accessories (Order Separately)
●Electrode Holders/Underwater Electrodes
●Electrode Rods
Electrode Rods are available in sets with the connection nuts, lock nuts, and tightening screws.
●Others
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 Model
24 VAC/DC K8AK-LS1 24 VAC/DC
100 to 240 VAC K8AK-LS1 100−240 VAC
Application
For general-pur-
pose use, such as
water supply lines
For areas with
limited space
For liquids with
low resistance
When mounting
strength is re-
quired
For resistance to
high-temperature
or high-pressure
liquids
For resistance
against corrosion
For installation at
long distances
from the liquid level
Model PS-3S/-4S/-5S
PS-31
SUS304, 300 mm
BF-1 BF-3/-5 BS-1 BS-1T PH-1/-2
Appearance
SUS
HAS
titanium
PH-1
PH-2
Application Purified water service, industrial water, and sewage
Purified water service, industrial water, sewage, and weak
alkaline solutions
Model F03-60 SUS304 F03-60 SUS316
Item Model
F03-11
F03-12
F03-14 1P (one pole)
F03-14 3P (three poles)
F03-14 5P (five poles)
Protective Cover
(Electrode Holders for the PS
or BF Series)
Mounting Piece
(Electrode Holder for the PS Series)
Separator (to prevent contact between electrodes)

Omron K8AK-LS Specifications

General

Brand	Omron
Model	K8AK-LS
Category	Controller
Language	English

Summary

Ordering Information

Model Selection

Details model selection based on power supply voltage requirements.

Accessories

Lists and categorizes separately orderable accessories like electrode holders, rods, and others.

Ratings and Specifications

Electrical Ratings

Specifies electrical parameters like voltage, power consumption, and resistance ranges.

Physical and Environmental Specs

Details environmental limits, dimensions, and physical properties of the controller.

Connections

Terminal Diagram and Wiring Example

Illustrates the terminal layout and provides a typical wiring example for the controller.

Timing Charts

Operation Modes Timing

Visualizes timing sequences for automatic liquid supply and discharge operations.

Nomenclature

Front Panel Components and Indicators

Identifies and describes front panel controls, indicators (PWR, RY), and setting knobs.

DIP Switch Functionality

Explains the function of DIP switches for setting operating modes.

Dimensions

Product and Mounting Track Dimensions

Provides physical dimensions of the controller and optional DIN track mounting parts.

Safety Precautions

Warning Indications and Symbol Meanings

Explains hazard warnings, safety symbols, and their implications for safe use.

Precautions

Safe Use and Correct Operation

Covers precautions for safe use, correct operation, mounting, and setting knob adjustment.

Terms and Conditions Agreement

Warranty and Liability Limitations

Outlines the product warranty, limitations of liability, and suitability of use clauses.