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部制动晶体管损坏，需求改换变频器。 变色灯是由红(R)、绿、蓝三基色LED组成的。双色LED是我们十分熟悉的。一般由红光LED及绿光LED组成。它可以单独发出红光或绿光。若红光及绿光同时亮点时，红绿两种光混橙黄色。变色灯的变色原理是通过三种基色LED分别点亮两个LED时，它可以发出黄、紫、青色(如红、蓝两LED点亮时发出紫色光);若红、绿、蓝三种LED同时点亮时，它会产生白光。如果有电路能使红、绿、蓝光LED分别两两点亮、单独点亮及三基色LED同时点亮，则他就能发出七种不同颜色的光来，于是就出现了七彩LED灯的这种现象。 P.V.P. 134 4-PHASE UNIPOLAR STEPPER MOTOR DRIVE BD*XLNT CNC SERVO or STEPPER MOTOR DRIVE PULLEY 40T 3/8" .2p AL CNC SERVO or STEPPER MOTOR DRIVE PULLEY 20T 1/4 .2p AL CNC SERVO or STEPPER MOTOR DRIVE PULLEY 30T 1/2" .2p AL CNC SERVO or STEPPER MOTOR DRIVE PULLEY 40T 1/2" .2p AL CNC SERVO or STEPPER MOTOR DRIVE PULLEY 30T 1/4" .2p AL Parker Compumotor Microstep Drive S6-Drive w/motor LOT 2 OREGON MD10A MICROSTEP DRIVE EAD STEPPING MOTOR Parker S83-62 S-Series Microstep Drive Electronic Motor Parker Compumotor A Series MicroStep Drive Motor, = Compumotor Stepper Motor Drive Module LM-F5A-P13A CNC SERVO or STEPPER MOTOR DRIVE PULLEY 30T 3/8" .2p AL CNC SERVO or STEPPER MOTOR DRIVE PULLEY 30T 1/2" .2p AL CNC SERVO or STEPPER MOTOR DRIVE PULLEY 40T 1/4" .2p AL PARKER COMPUMOTOR S SERIES MICROSTEP MOTOR DRIVE S57-51 .AMERICAN PRECISION P325 LOW EMI MICROSTEP DRIVE Advanced Micro AMS DCB-261 Stepper Motor Driver 1A PARKER MICROSTEP DRIVE S SERIES C ACDelco 25058692 Odometer Drive Stepper Motor NEW Stepper Motor Integrated Smart Controller/Driv?er/Extras CNC 3 AXIS STEPPER MOTOR DRIVE CONTROL SYSTEM VERY RARE National Instr pper Motor Drive PARKER ZETA6108 DRIVE + TS42B-DKS10 1.8 STEPPER MOTOR Berger Lahr Stepper Mot Berger Lahr SDP5-5 five phase stepper motor drive Nice Compumotor M83-93 Stepper Motor Drive PARKER DIGIPLAN CD30 STEPPER MOTOR DRIVE