1485P-P1N5-MN5R1

1485P-P1N5-MN5R1
1485P-P1N5-MN5R1
1485P-P1N5-MN5R1




为了防止运行时由于压力变送器不可预见的故障造成PLC的PID运算调节失实，从而造成管网压力失恒引发失压或爆管的严重事故。我们分别在1#和2#变频泵后输水管上安装压力变送器，可以同时测到出厂输水管线上的压力；在PLC程序上对压力信号进行了相应的处理，在程序中设置选择软开关，调度人员可以在RSView上将其中一台压力变送器的值设定为“控制反馈值”，另一台压力变送器的值则设为“参考反馈值”（见图2：变频恒压供水系统控制图形界面（RSView工作站））；

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