描述
优先（互锁）电路电路是指两个输入信号中先到信号取得优先权，后者无效。例如在抢答器程序设计中的抢答优先，又如防止控制的电机两个正、反转按钮同时按下的保护电路。图6-17所示为优先电路例。图中，X0先接通，M10线圈接通，则Y0线圈有输出；同时由于M10的动断触点断开，X1输入再接通时，亦无法使M11动作，Y1无输出。若X1先接通，情况相反。
Kulicke/Soffa Auto Wedge Bonder
PARKER COMPUMOTOR 4000-M MOTION CONTROLLER, 4 AXIS
NEW ALLEN BRADLEY 1336B015EAEFA2L3 DRIVE 15HP 460VAC
MYDAX 2H12A MKII RECIRCULATING LIQUID CHILLER FOR LAM
PRO-QUIP YF SERIES AGITATOR YF-60 GEARBOX S/N 15022G
TOTAL CONTROL QPI31200C2PB QUICK PANEL 10.5 INCH COLOR
ENDRESS+HAUSER WEDGEWOOD OPTICAL SENSOR AND EASYCAL
PALL FILTRON STAINLESS STEEL FILTER CASSETTE HOLDER
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HONEYWELL 51305890 TC LLMUX2 32PTMUX TDC MODULE
WATSON MARLOW 704U/R HIGH FLOW PERISTALTIC PUMP
BRINKMANN KINEMATICA POLYTRON PT 1200 CL HOMOGENIZER
VACUUBRAND VACUUM PUMP SYSTEM MZ 2C VARIO PUMP VNC 1
MILLIPORE ZLXS6V03Y ELIX 3 ELIX3 MILLI-Q UV ULTRAVIOLET
