1494V-DH644-A-B-HH

1494V-DH644-A-B-HH
1494V-DH644-A-B-HH
1494V-DH644-A-B-HH





PLC是现代工业的三大支柱之一，是可靠性高、应用非常广泛的工业控制产品。在中大型模块化的PLC产品中，CPU模块（中央处理器）是PLC的中心。一些重大的工业生产线往往要求连续运行不能停顿，而可靠性再高的PLC也不能保证故障为零，因此，双CPU的冗余控制是一种满足连续生产要求、提高系统可用性的有效手段。下面以熔盐炉自控系统为实例详述双CPU冗余控制的实现方法。

POWEREX ,POW-R-BLOK, ED431225NA

APPLETON 1-1/2" GRAYLOY FM7 CONDUIT BODY TB57

IFM EFFECTOR 20-250V PHOTOELECTRIC SENSOR OG0030

ASCO RED-HAT 24VDC 11.6W 5-125 PSI 3/4" NPT SOLENOID

FUJI ELECTRIC 24VDC COIL 20A CONTACTOR SJ-1SG/UL(18)

IFM ELECTRONIC 18-30VDC 5-100 PSI RANGE 1/4" NPT PRESS

PILZ E-STOP, PUSHBUTTON, & SAFETY GATE RELAY PNOZ X8P

YASKAWA ELECTRIC RESISTOR UNIT JUSP-RA05

MAC VAC-120PSI, 24VDC, 5.4W, 1/8"NPT, SOLENOID VALVE

SMC DeviceNet 0.005-0.5MPs E/P REGULATOR ITV2030-40N3CS

ABB 277VAC 4A SINGLE-POLE CONTACTOR VDE 0660 S271-K4 N

ALLEN BRADLEY 1771-HT3 ESTOP I/O TERMINATION PANEL LOT

BRYANT CONTROL INC. ED15 115 VAC 50/60 HERTZ BOWL-HOPPE

ADVANCE 120V, 0.71 AMPS INSTANT START ELECTRONIC BALLAS

FUJI ELECTRIC BU-FHB3020 CIRCUIT BREAKER WITH KNOB AND

FUJI ELECTRIC 3A 2-POLE CIRCUIT BREAKER CP32FM/3W

T.P.C WIRE & CABLE 4-POLE, 6FT QUICK-CONNECT CABLE 8440

CROUZET SYRELEC LUFR2 230 VOLTS 3 PHASE TIMER RELAY

ALTECH ABLSURSUM SINGLE-POLE 5A CIRCUIT BREAKER V-EA

GENERAL ELECTRIC 2.0KVA, 60Hz, 240/480V, DRY TYPE TRANS