LJV LINJVE INDUSTRY INVESTMENT DONG GUAN CO.,LTD 1/5 RE12 RE12 SERIES SPECIFICATION 1.General 1-1. Scope 12. This specification applies to 12mm size low-profile rotary encoder(incremental type) for microscopic current circuits , used in electronic equipment. 1-2.Standard atmospheric conditions Unless otherwise specified ,the standard range of atmospheric conditions for making measurements and test is as following limits: Ambient temperature : 15 to 35 Relative humidity : 25 to 85 Air pressure :86kpa to 106kpa : If doubt arises on the decision based on the measured values under the above-mentioned conditions,the following conditions shall be employed: Ambient temperature : 201 Relative humidity : 63 to 67 Air pressure :86kpa to 106kpa 1-3. Operating temperature range :-30 to+80 1-4. Storage temperature range : -40 to+85 1 fig.1 DC 5V 2.Construction 2-1. Dimensions 10K 10K Terminal A Refer to attached drawing Terminal B A B 3. Rating A B 3-1. 10K 10K Encoder Rated voltage:DC 5V 0.01F 0.01F 3-2. () Terminal C Maximum operating current (resistive load) C Each lead: 0.5mA(Max 5mA Min 0.5mA) Common lead:1mA(Max 10mA Min 0.5mA) 4.Application Notes 4-1..6 Avoid storing the products in a place at high temperature,high humidity and in Corrosive gases.Please use this product as soon as possible with 6 months limitation.If any remainder left after packing is opened,please store it with proper moistureproofing,gasproofing etc. 4-2.,. The encoder pulses count method should be designed with taking operating speed,sampling time and esign of the microcomputer software into cosideration. 4-3.5-1,A With this products the detent position output consult fig.5-1.Therefore make the A phase the reference at the soft ware design stage.Recommended that use A output signal for the reference. 4-4.,R/C,(1 At design of the pulse count process.Using the C/R filter circuit is Recommended.(fig .1) 4-5.,. Care must be taken not to expose this product to water or dew to prevent possible problem in pluses output waveform. LJV LINJVE INDUSTRY INVESTMENT DONG GUAN CO.,LTD 2/5 RE12 RE12 SERIES SPECIFICATION 5. Electrical Characteristics ITEM CONDITIONS SPECIFICATIONS AB2/3() 2 Phase-different signals (signal A,signal B) Details shown in<fig.2/3> (The broken line shows detent position.) Shaft rotati- Signal Output 5-1. onal direction 2 fig.2 3 fig.3 OFF OFF Output signal A(A-C) ON ON format A(TerminalA-C) OFF OFF C.W B(B-C) ON ON B(TerminalB-C) OFF OFF A(A-C) ON ON A(TerminalA-C) OFF OFF C.C.W B(B-C) ON ON B(TerminalB-C) 12 /3602) 5-2. 360. 12pulses/360(fig.2) 12 /3603) Resolution Number of pulses in 360rotation. 12pulses/360(fig.3) 24/3603) 24pulses/360(fig.3) 4360/S Measurement shall be made under the condition as follows. Shaft rotational speed : 360/S Test circuit : (fig.4) 4fig.4 5fig.5 DC 5V OFF 10K 10K 3.5V Terminal A Terminal B 5-3. A B 1.5V Switching Encoder ON characteristics 2 3 t1 t t Terminal C C OFF3.5V(fig.5). Code-OFF area :The area which the voltage is 3.5V or more(fig.5). ON1.5V(fig.5). Code-ON area : The area which the voltage is 1.5V or less(fig.5). OFFONONOFF,1.5V3.5V 5-3-1Specified by the signals passage t1,t3 3mS Chattering time from 1.5V to 3.5V of each switching position(code OFFON or ONOFF) ON1.5Vtl,t3 1mS,1.5VON., 5-3-2. 1.5V1mS,. ()Sliding Specified by the time of voltage change exceed t22mS noise (Bounce) 1.5V in code-ON area . When the bounce has code -ON time less than 1mS between chattering (tlor t3)the voltage change shall be regarded as a part of chattering.When the code-ONtime between 2 bounces is less than 1mS.they are regarded as 1 linked bounce.