描述
在电动机运行时按停止按钮SB2，它的常闭触点断开，使KM的线圈失电，KM的主触点断开，异步电动机的三相电源被切断，电动机停止运行i同时控制电路中KM的辅助常开触点断开。当停止按钮SB2被放开，其常闭触点闭合后，KM的线圈仍然失电，电动机继续保持停止运行状态。图1.3给出了有关信号的波形图，图中用高电平表示1状态(线圈通电、按钮被按下)，用低电平表示0状态(线圈断电、按钮被放开)。
MILLIPORE ZMQS60001 ACADEMIC MILLI-Q WATER SYSTEM
BRINKMANN METROHM 707 KF OVEN 1.707.0010
NEW ENDRESS HAUSER PROMAG 33F ELECTROMAGNETIC FLOWMETER
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NEW TAYLOR ABB PROCESS AUTOMATION 6007BG10000C PC BOARD
BALDOR ECP4316T-4 75HP AC MOTOR 1780RPM 3PH 60HZ
FLOWTECH UNIBLOC LABTOP 200/250 SANITARY PUMP SYSTEM
VAT 14046-UE24-0006/0005 HV STAINLESS STEEL GATE VALVE
VAT 14046-UE24-0006/0006 HV STAINLESS STEEL GATE VALVE
VAT 14046-UE24-AAC1/0001 HV STAINLESS STEEL GATE VALVE
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
