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OMRON Switch Models

The words of the switch are interpreted as on and off. It also refers to an electronic component that can open a circuit, interrupt current, or flow to other circuits. The most common switch is an electromechanical device for human operation, which has one or several electronic contacts. The "closed" of the contact means that the electronic contact is conducting, allowing current to flow; the "open" of the switch means that the electronic contact is not conducting to form an open circuit, and no current is allowed to flow.

E3JK-R2M1, E3JK-R4M1, E3JK-R2M2, E3JK-5M1, E3JK-5M2, E3JK-DS30M1, E3JK-10M4T, E3JK-10M4, E3JK-10M4-G, E3JM-DS70M4, E3JM-DS70M4-G, E3JM-R4M4T-G, E3JM-R4M4-G, E3F3-D12, E3F3-R61, E3F3-T61, E3S-2E4, E3S-AD11, E3S-AD61, E3S-AR61, E3S-AR11, E3S-AT11, E3S-AT61, E3Z-D62, E3Z-D81, E3Z-R61, E3Z-R82, E3Z-T61, E3X-NA11, E3X-NA41, E3X-NM11

1. Level Switches
These devices equip electrodes to detect liquid levels. They have been widely used in water works and sewers for buildings and housing complexes, industrial facilities and equipment, water treatment plants and sewage treatment facilities, and many other applications. The 61F model can be selected according to the control method, installation method, liquid to be detected, wiring length, and other requirements. Electrode Holders and Electrodes can be selected according to the inside of a tank, environment around the tank facilities, and control range. Stable detection of leaks can be achieved. The model can be selected according to the output form, installation method, and other requirements.

OMRON Switch Models

2. Basic Switches
Basic Switches have a micro contact gap and operate at the specified movement and force using a snap-action mechanism. They are available in models with split contacts, maintained operation, drip-proof specifications, high capacity, and DC current specifications. A complete range of high-temperature basic switches for switching high-power loads, DC, and double circuits starting from the Z-series switches with a wealth of actuators.

3. Limit Switches
Limit Switch are basic switches that have been encased to protect them from external forces, water, oil, and dirt. Many models are available, such as those resistant to head, cold, or corrosion, as well as high-precision models.
1) General-purpose Vertical
A wide variety of Switches are available including environment-resistant models that are compact, thin, and durable, two-circuit models with spatter countermeasures, and four-circuit models with bifurcated contacts and a block-mounting system.
D4C
Sealed, Compact, and Slim-bodied Switch Offers Choice of Many Actuators.
• Approved by EN, UL, CSA, and CCC (Chinese standard). (Ask your OMRON representative for information on approved models.)
• Sealing characteristics that meet IEC IP67 degree of protection.
• Triple-sealed construction:
Plunger section sealed via nitrile rubber packing seal and diaphragm; switch section sealed via nitrile rubber cap; cable entrance sealed via encapsulating material.
• Cable lengths of 3 and 5 m available on standard models. Models also available with UL and CSA-certified cables.
• Multiple mounting possible with Switches with Plungers.
• Models with red LED indicators added to series for easy confirmation of operation. (Set by default to light for non-operation.)
• VCTF oil-resistant cables with CE marking. (Applicable only to standard models.)
D4CC
Many Models Including Roller Lever Switches are Only 16-mm Thick with Connector.
• New center roller lever models that enable ganged mounting of up to 6 Switches.
• Cable connectors for easy Switch replacement.
• Triple-seal construction to provide IEC IP67 degree of protection.
• Operation indicators available for easy monitoring (standard indicator is lit when Switch is not operating).
• Approved by UL and CSA. (Ask your OMRON representative for Information on approved models.)
HL-5000
Economical, Miniature Limit Switch Boasting Rigid Construction
• The Head, Box, and Cover mate with ridged surfaces to maintain strength.
• A unique Head structure provides a large OT for smooth operation.
• Easy-to-wire conduit opening design.
• Ideal for application in printing machines, forming machines,and light machines.
(High Switches with high sealing characteristics, such as WL or D4C Switches, in locations subject to oil, water, or precipitation.)
• Models with grounding terminals conform to the CE marking.
• Approved by CCC (Chinese standard). (Ask your OMRON representative for information on approved models.)

OMRON Switch Models
2) General-purpose Horizontal
These compact Horizontal Limit Switches are used applications in which Basic Switches would not provide enough strength. Models with molded terminals are available.
3) High-precision Switches
These Limit Switches can detect micron displacements. They are available in solid-state models and models with contacts.
4) Touch Switches
OMRON provides Touch Switches with a high contact reliability for microloads and solid-state Touch Switches cylindrical or limit-type actuators.
D5B
Detects Objects in Multiple Directions with High Sensitivity, Ideal for Robotics
• Slow-action switching mechanism used.
• Gold-plated contact with coil spring capable of switching micro current/voltage load while providing high contact reliability.
• Inputs directly to microcomputers and programmable controllers.
• Three sizes (M10, M8, and M5) and three types of compact actuators.
• Easy panel mounting.
5) Multi-pole Switches
These Multi-pole Limit Switches can be used in sequence control of machine tools, transfer machines, and other equipment.
6) Limit Switch Connectors
Connectors for Limit switches to secure watertightness of the edges of the conduits.
7) Safety Limit Switches
Safety Limit Switches are limit switches equipped with direct opening mechanisms.
D4N
• Lineup includes models with 1NC/1NO, 2NC, 2NC/1NO and 3NC contact forms.
(Slow-action models with MBB contacts are available.)
• M12-connector models are also available, saving on labor and simplifying replacement.
• Standardized gold-clad contacts provide high contact reliability.
Can be used with both standard loads and microloads.
• Conforms to the requirements for safety contacts in EN 115-1, EN 81-20, and EN 81-50 (slow-action models only).
• Certified standards: UL, EN (TÜV), and CCC
D4F
Smallest Class of Safety Limit Switches in the World
• The world's smallest limit switch with a direct opening mechanism (four-contact construction model).
• High-sensitivity safety limit switch.
• Built-in switches with two- or four-contact construction are available.
• Degree of protection: IP67
• Conforms to EN115-1, EN81-1 and EN81-2. (slow-action models only)
• Certified standards: UL, EN (TÜV), and CCC

OMRON Switch Models

4. Push Buttons / Indicator Lamps
Push Button Switches are manually operated switches that are available in many different types: Switches with round or square bodies for mounting in round or square holes, lighted and non-lighted Switches, Indicators, Selector Switches, and more.
1) φ16 Type
These Pushbutton Switches mount in holes with a 16-mm diameter and are available with or without lights. They come with a short body of only 28.5 mm. Both Knob-type and Key-type Selector Switches as well as Buzzers and Indicators are available.
A16
• Miniature design of 28.5 mm, the smallest class in the industry.
• Detachable Switch.
• The same contacts can be used for both standard loads and microloads.
• Easy-to-wire terminal arrangement.
• Certified for EN 60947-5-1.
A165S
• Same separate construction as the A16-series Pushbuttons with Miniature Design of 28.5 mm
• The same contacts can be used for both standard loads and microloads.
• Oil-resistant IP65 models
• Conforms to EN60947-5-1.
A165K
• Short mounting depth, less than 28.5 mm below panel
• Wide range of switching capacity from standard to microload
• Oil-resistant IP65 models

5. Thumbwheel Switches
With Thumb Rotary Switches, a character dial is turned to switch an actuator and set a value. They are also called digital switches. OMRON provides many models with different sizes and operation methods.
A7D/A7DP
• All-in-one design means fewer parts are required. This product delivers high reliability at a low cost.
• Uses long-lasting resin springs to achieve a long mechanical durability expectancy of 30,000 operations.
• Models with stoppers for restricting the setting range are available.
• The series includes a complete range of pen-push models that prevent accidental operation.
A7CN/A7CN-L
• The series includes a complete range of locking-type models that prevent accidental operation.
A7BS/A7BL
Wide Range of Locking-type Models Available
• Character height of 4.8 or 3.2 mm makes for easy-toview display.
• Installation is easy with snap-in mounting.
• The series includes a complete range of locking-type models that prevent accidental operation.
A7PS/A7PH
Dust-tight, Easy-to-Use, Push-operated Switches with Large Display Characters
• Simple push mechanism and large, easy-to-view numeric display make setting easy.
• Dust penetration prevented with seal for the display windows.

OMRON Switch Models

The simplest switch has two pieces of metal called "contacts". When the two contacts are in contact, the current forms a loop, and when the two contacts are not in contact, the current is open. When selecting the contact metal, it is necessary to consider the degree of resistance to corrosion, because most metals will form insulating oxides after oxidation, making the contacts unable to work properly. The selection of the contact metal also needs to consider its conductivity, hardness, mechanical strength, cost, and whether it is toxic. Sometimes corrosion-resistant metals are plated on the contacts. It is generally plated on the contact surface of the contact to avoid affecting its performance due to oxides. Sometimes non-metallic conductive materials such as conductive plastics are used on the contact surface. In addition to the contacts, there are also movable parts in the switch to make the contacts conductive or non-conductive. The switch can be divided into a lever switch (Toggle switch), a key switch, a rocker switch, etc. according to the movable part , And the movable member can also be other types of mechanical links.

The main parameters:
Rated voltage: refers to the safe voltage allowed by the switch during normal operation. The voltage applied across the switch is greater than this value, causing fire and breakdown between the two contacts.
Rated current: refers to the maximum safe current allowed when the switch is turned on. When this value is exceeded, the contact of the switch will be burned due to excessive current.
Insulation resistance: refers to the resistance value of the conductor part and the insulation part of the switch, the insulation resistance value should be above 100MΩ.
Contact resistance: refers to the resistance value between each pair of contacts when the switch is turned on. Generally, it is required to be below 0.1-0.5Ω.
Withstand voltage: refers to the highest voltage that the switch can withstand between the conductor and the ground.
Life: refers to the number of times the switch can operate under normal working conditions. The general requirement is about 5000-35000 times.

Capacitive proximity switch
The measurement of such a switch is usually one plate constituting the capacitor, and the other plate is the outer shell of the switch. This enclosure is usually grounded or connected to the equipment enclosure during the measurement process. When an object moves to the proximity switch, whether it is a conductor or not, due to its proximity, the dielectric constant of the capacitor must be changed, so that the capacitance changes, so that the state of the circuit connected to the measuring head also occurs Changes, which can control the switch on or off. The objects detected by this proximity switch are not limited to conductors, but can be insulated liquids or powders. 3. Hall proximity switch Hall element is a magnetic sensitive element. A switch made of Hall elements is called a Hall switch. When the magnetic object moves closer to the Hall switch, the Hall element on the switch detection surface changes the internal circuit state of the switch due to the Hall effect, thereby identifying the presence of a magnetic object nearby, and then controlling the switch on or off. The detection object of this proximity switch must be a magnetic object.

Proximity switch is a position switch that can be operated without mechanical direct contact with moving parts. When an object approaches the sensing surface of the switch to the operating distance, it does not require mechanical contact and any pressure to make the switch act. When the metal detector Close to the sensing area of ​​the switch, the switch can be contactless, without pressure, without sparks, and quickly send out electrical commands, accurately reflecting the position and stroke of the motion mechanism. Even for general stroke control, its positioning accuracy, operating frequency, and service life 1. The convenience of installation and adjustment and the ability to adapt to harsh environments are incomparable to general mechanical limit switches. It is widely used in machine tools, metallurgy, chemical industry, textile and printing industries. It can be used as limit, counting, positioning control and automatic protection in the automatic control system. Thereby driving DC electrical appliances or providing control instructions to computer (plc) devices. Proximity switch is a switch-type sensor (that is, non-contact switch), which has the characteristics of stroke switch and micro switch, and has the sensing performance, reliable operation, stable performance, fast frequency response, long application life, anti-interference Strong ability, etc., and has the characteristics of waterproof, shockproof, corrosion resistance and so on. Products are inductive, capacitive, Hall, AC and DC. Proximity switch, also known as non-contact proximity switch, is an ideal electronic switch sensor.
OMRON switch (Omron series)
Protection circuit pulse absorption, load short-circuit protection Ambient temperature during operation: -25 to + 70 ° C, storage: -40 to + 85 ° C (no icing or condensation) When operating at ambient humidity, during storage: 35 to 95% each RH (non-condensing) The influence of temperature -15 ~ + 70 ℃ within the temperature range of + 23 ℃, the effect of ± 15% of the detection distance voltage ± 15% of the rated power supply voltage range, the rated power supply voltage, ± 1% of the detection distance Insulation resistance 50MΩ (DC500V megohmmeter) Withstand voltage between charging part and case AC 1,000V 50 / 60Hz 1min Vibration between charging part and case (durability) 10 ~ 55Hz Double amplitude 1.5mm X, Y, Z directions in each direction 2h impact (durability ) 1,000m / s2 X, Y, Z 10 directions protection structure IEC specification IP67 [JEM specification IP67g (immersion-resistant type, oil-resistant type)] Connection method Lead-out type (standard lead length 2m) OMRON proximity switch

The Omron Group was founded in 1933. Mr. Tachiishi established a small factory called Tachiishi Electric Works in Osaka. At that time, there were only two employees. In addition to the production of timers, the company initially specialized in the production of protective relays. The manufacture of these two products became the starting point of Omron Corporation. In order to adapt to the development of the times, when the company celebrated its 50th anniversary, the company name and brand name were unified and changed to "Omron Corporation". As of March 31, 2012, there were 35,992 employees, a global turnover of 619.5 billion yen, and hundreds of thousands of product varieties, involving industrial automation and control systems, electronic components, automotive electronics, social systems, and health and medical equipment. field. Since its establishment on May 10, 1933, through continuous creation of new social needs, Omron Group has taken the lead in the development and production of contactless proximity switches, electronic automatic sensor signals, vending machines, automatic ticket inspection systems at stations, and automatic diagnosis of cancer cells A series of products and equipment systems have contributed to the progress of society and the improvement of human living standards. At the same time, Omron Group has rapidly developed into a world-renowned manufacturer of automated control and electronic equipment, mastering the core technology of sensing and control .
Business objectives By strengthening the core strength of the "sensing and control" group, to provide new values ​​to Omron's current users, and strive to meet the needs of users to the limit. Long-term continuous creation of enterprise * value Enterprise value is a common concern of all enterprise stakeholders. Therefore, enterprises must take the long-term continuous creation of enterprise * value in the financial market as their business goal. To achieve this goal, they must first satisfy users, be well-received in the society, and satisfy employees. The result is to improve all enterprises. The degree of satisfaction of the relevant parties, and only after achieving all this can truly provide value to users

OMRON Switch Models

OMRON switch (Omron series)
Provide users with a higher level of user value than the value of CS (customer satisfaction). Omron has always focused on grasping social and market changes to create social needs that are potentially among users. This is beyond the general user satisfaction to provide the value of "surprise" users. In the future, Omron should further strengthen its advantages in "sensing and control" technology, and continue to provide users with the expected * value while creating 21st century and new era needs and user value, and creating enterprise * value. Value management that matches the expectations of the financial market The so-called enterprise is an organization that uses shareholders' funds to replace shareholders for corporate activities. It is the responsibility of companies in the international financial market to create benefits that are higher than the cost of capital, and it is also the responsibility of society for its basic requirements. The financial market does not want to invest in companies that simply use shareholders ’capital to obtain immediate benefits, but rather hopes to invest in companies that have a clear goal and continue to expand earnings for a long time, and have" future development prospects. "Omron is based on such a Policy for the management of corporate value.
In general, the task of the sensor is to detect various physical and chemical information that needs to be detected by a specific sensor, and at the same time convert the signal into an electrical signal or an optical signal, and provide an instrument for recording or display, so that technicians can observe and analyze based on The working principle of sensors can be divided into two categories: physical sensors and chemical sensors: 1. Classification of sensor working principles Physical sensors apply physical effects, such as piezoelectric effect, magnetostriction, ionization, polarization, thermoelectricity, photoelectricity , Magnetoelectricity and other effects. The small changes of the measured signal will be converted into electrical signals. 2. Chemical sensors include those that use chemical adsorption, electrochemical reactions, and other phenomena as the causal relationship. The small changes in the measured signal quantity will also be converted into electrical signals. Laser sensors, which are increasingly favored by industrial control, are developing rapidly. Laser sensors are not only widely used, but also mainly use the characteristics of lasers such as high directivity, high monochromaticity and high brightness to achieve contactless long-distance measurement. Laser sensors are often used for the measurement of physical quantities such as length, distance, vibration, speed, and orientation. They can also be used for flaw detection and monitoring of atmospheric pollutants.

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