急停按钮开关和互锁通常是常闭的,从而控制-个电力机械主控继电器(参看下图),这个继电器应当可以直接的使电机启动和PLC输出电路等失效,这类的电路在故障时“打开”,从而使设备失效,例如如果一根接线断裂或者-一个触点磨损,那么回路会断开并且MCR失电。如果固态设备出现故障,
HONEYWELL 51195066-200 USPP 51195066200
ROCKWELL INTL CORP 350010C-503-183 USPP 350010C503183
NACHI AUXL-111 USPP AUXL111
NACHI AUXL-111C USPP AUXL111C
USON CORP VECTOR-6U NSFP VECTOR6U
FANUC A20B-0007-0045 USPP A20B00070045
RELIANCE ELECTRIC 86466-74RB USPP 8646674RB
RELIANCE ELECTRIC 86466-74S USPP 8646674S
MODICON AM-C986-003 USPP AMC986003
ALLEN BRADLEY 1779-KFMR USPP 1779KFMR
WELDING TECHNOLOGY CORP 986-0054 NSPP 9860054
COMPUMOTOR MPM190-2FRMM963 USPP MPM1902FRMM963
INDRAMAT DDS02.2-W100-B USPP DDS022W100B
ANN ARBOR INX5486S-M NSFP INX5486SM
TEXAS INSTRUMENTS PLC 555-1104 USPP 5551104
NACHI AUXL-111C-A0 USPP AUXL111CA0
SIEMENS 6ES7-742-0AC00-?0BA0 USPP 6ES77420AC000BA?0
SIEMENS 6ES5-948-3UA21 USPP 6ES59483UA21
ALLEN BRADLEY 1785-L26B/E NSFP 1785L26BE