The Type E33 Series from Elma is a high-performance miniature mechanical incremental encoder. Designed with Elma’s exclusive Swiss Click Indexing System which ensures consistent rotational torque over the encoder entire lifetime.
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The Type E33 Series from Elma is a high-performance miniature mechanical incremental encoder. Designed with Elma’s exclusive Swiss Click Indexing System which ensures consistent rotational torque over the encoder entire lifetime. These encoders are offered in either 16 or 32 positions and can be smooth action or including detent with switching torques between 0.5Ncm up to 4.5Ncm.
For added functionality, the Type E33 series is available with a shaft pushbutton actuation offering a pushbutton force of 3, 6, 10 or 14N. The small housing dimensions of just 11.5 x 12.3 x 4.9mm allow the encoder to be incorporated into many designs and the THT or SMT reflow terminations allow for quick and simple installation. As with the majority of Elma products, there is a large range of shaft dimensions and shapes which match their plastic or metal knobs presenting designers with many aesthetic choices.
To allow for easy assembly and integration the Type E33 series SMT version of encoders can be purchased pre-mounted onto a circuit board. These can be with or without a debounce circuit and have the option of being created with an FFC or Micro-MaTch Connector, ribbon cable or soldering connections.
With a rotational life of up to 1 million revolutions and front panel sealing up to IP68 the Type E33 series is perfect for applications such as Avionics Instrumentation, Testing Equipment, Two Way Radio Devices, Medical Devices, High-End Entertainment Systems and many other Industrial Applications.
|Mechanical Life||1,000,000 Revolutions|
|Switching Positions||16, 32|
|Detent Torque (Ncm)||0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4.5|
|IP Rating||IP60, IP68|
|Operating Temperature||-40°C to +85°C|
|PUSH BUTTON||IP SEALING||RESOLUTION||TORQUE||PART NUMBER||PART NUMBER|
|THT VERTICAL||SMT VERTICAL|
|Yes, 6 N||IP60||32 detent (16 PPR)||2.0 Ncm||E33-VT610-M01T||E33-SN610-M01T|
|Yes, 6 N||IP60||16 detent (8 PPR)||2.5 Ncm||E33-VT630-M01T||E33-SN630-M01T|
|Yes, 6 N||2 IP68 (Shaft & front panel)||32 detent (16 PPR)||2.0 Ncm||E33-VT612-M01T||E33-SN612-M01T|
|Yes, 6 N||2 IP68 (Shaft & front panel)||16 detent (8 PPR)||2.5 Ncm||E33-VT632-M01T||E33-SN632-M01T|
|No||IP60||32 detent (16 PPR)||2.0 Ncm||E33-VT010-M01T||E33-SN010-M01T|
|No||IP60||16 detent (8 PPR)||2.5 Ncm||E33-VT030-M01T||E33-SN030-M01T|
|No||2 IP68 (Shaft & front panel)||32 detent (16 PPR)||2.0 Ncm||E33-VT012-M01T||E33-SN012-M01T|
|No||2 IP68 (Shaft & front panel)||16 detent (8 PPR)||2.5 Ncm||E33-VT032-M01T||E33-SN032-M01T|
Encoder Switch Interface Solution
Rotary encoders are used in many applications for sensing the position of the actuator. This makes rotary encoders ideal for applications such as CNC machines, robotics, train automation, CT and MRI machines, commercial white goods, audio and video equipment, aviation and automotive.
An encoder works by changing a mechanical input, rotating the encoders actuator (clockwise or anticlockwise), into an electrical output that can be read by a computer or PLC. There are many different types of encoders, ie. Incremental, Absolute, Magnetic, Optical and Laser, however, Live Electronics mainly sell Incremental and Absolute versions. An Incremental encoder reads the displacement between two output signals, this is called the square wave frequency. This works through the use of two output signal contacts which are spaced in a particular way. These then make contact with evenly spaced contacts attached to the actuator. By reading these on-off signals (in digital 0,1) the computer system knows the direction and speed of the rotation. An Absolute encoder has multiple detector contacts and disc contacts in unique tracks. This produces a Gray code output, this unique code can then be read by the computer system to determine the exact position of the actuator.
Rotary encoders are ideal for applications such as CNC machines, robotics, train automation, CT and MRI machines, commercial white goods, audio and video equipment, aviation and automotive.