PR6424/115-100

                      EPRO PR6424/115-100

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  PLC的核心部件是CPU和存储器：

（1）中央处理单元（CPU）

中央处理单元（CPU）是PLC 的控制中枢。它按照PLC系统程序赋予的功能，接受并存储从编程器键入的用户程序和数据，检查电源、存储器、I/O以及警戒定时器的状态，并能检查用户程序的语法错误。当PLC投入运行时，首先它以扫描的方式接受现场各输入装置的状态和数据，并分别存入I/O映象区, 然后从用户程序存储器中逐条读取用户程序，经过命令解释后按指令的规定执行逻辑或算术运算等任务。并将逻辑或算术运算等结果送入I/O映象区或数据寄存器内。等所有的用户程序执行完毕以后，最后将I/O映象区的各输出状态或输出寄存器内的数据传送到相应的输出装置，如此循环运行，直到停止运行为止。

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NEWCO 1-1/2" 1975PSI TYPE-CATE GATE VALVE 18T-FS3-WB-RP 99169

CROSBY VALVE & GAGE CO. 3/4" X 1" RELIEF VALVE 965101 MD

RESEARCH CONTROL 1/2" BRASS ACTUATOR VALVE MODEL P975B

PARKER 1/4" NEEDLE VALVE 4Z(A)-V4LR-SS 104448

LEWIS-GOETZ & CO 3/4 PLUG x 3/4 FEMALE, SEAL, R210-6553 ,K6SS-102*NEW* LOT OF 3

ROSS 5211B9007 REGULATOR REMOTE PILOT PIPE 2" *NEW*

CKD 24VDC 3MM ORIFICE 0.7 MPA 2-PORT SOLENOID VALVE, GFAB41-X0651 *NEW*

COLONIAL 235 PSI 1/2" NON-SHOCK FULL BLOCK PVC BALL VALVE, *NEW*

I.S.I. FLUID POWER 30-150 PSI 3/8" NPT PNEUMATIC VALVE, 375-81-001-81 TU

SUN HYDRAULICS 3000PSI .375" NPT ALUMINUM HYDRAULIC VALVE, MMB 0AJ1-A2 *NEW*

WATTS REGULATOR VALVE 3/4 2000 WOG

CLEVELAND 8" BUTTERFLY VALVE TRIAC RACK & PINION ACTUATOR 2R80SR

SMC 24VDC 3-POSITION DOUBLE SOLENOID VALVE, VSR8-4-FIG-D-3D?Z *NEW*

WILKERSON 10-1/2"OAL, 2-PORT,PARTICUL?ATE FILTER F30-06-000A G92

JAMESBURY SERIES 100 2" STAINLESS STEEL 2000 WOG BALL VALVE

SPORLAN 1/16" PORT 1/2" FPT THERMOSTATIC EXPANSION VALVE, DA-2-C *NEW*

PARKER PRESSURE SHUT-OFF VALVE 8041E-3/8HS2 103556

KT SOLENOID VALVE VS7-8-FG-S-9Z

VICKERS 110/120V 46/48A HYDRAULIC VALVE DG4V 3S 2N MFPA5WL B5 60

NUMATICS 1/8" PNEUMATIC BASE 103-493 NIB

UNKNOWN MFG CHECK VALVE FOR REFRIGERANTS CK4A

FLO TECT * FLOW SWITCH 1" * V6EPBED3E

SPORLAN THERMOSTATIC EXPANSION VALVE IBVE-5-CP100 *NEW*

MDC MFG INC. 1-1/2" MANUAL BUTTERFLY VALVE

NUMATICS * PNEUMATIC IN-LINE VALVE * 3/5

MUELLER 1" NPT 300 SWP Y-STRAINER VALVE, 1.0-352M-01 *NEW*

JOMAR 200 WOG 1-1/2" NPT ECONOGATE BRASS GATE VALVE, T-301 *NEW*

SMC 1/4" NPT, 0.1-1.0MPA, 3-PORT PRESSURE RELIEF VALVE VHS400-N02 *NEW*

JAMESBURY 1-1/2" STAINLESS STEEL VALVE ACTUATOR VPL250 SR4/5 BLTC 99410

SWAGELOK 1 PSI 1" TUBE KRYTOX LUBE CHECK VALVES, SS-16C-EP-KL-1 *NEW LOT OF 2*

NUMATICS 150 PSIG-AIR 1/4" NPT DOUBLE AIR PILOT VALVE W/ BASE, 152JJ4410 *NEW*

NORDSON AIR VALVE KIT 236038B, AA99F *NEW*

NIBCO 3/4" BRONZE GATE VALVE RISING STEM SOLID WEDGE S-134 LOT OF 5 NIB

BRENNAN 2" TUBE OD STEEL STRAIGHT UNION 03-32-32 *NEW, LOT OF 2*

CRANE 1-1/4"NPT 400 CWP BRONZE GATE VALVE 424

VELAN CLASS 800 1 1/2 STEEL VALVE A105N 103991

NUMATICS 150PSIG-AIR 120V 11A SOLENOID VALVE A12SA400S *NEW, SEALED*

DYNAQIUP 1" NPT CONTROL VALVE A743 CF8M

ALOYCO 150 CF8M 4" GATE VALVE

VOGT1-1/2" CHECK VALVE A105 PL94

RESEARCH CONTROL 1/2" STAINLESS STEEL VALVE 1002GCTN36SV0PN?FLN36

RESEARCH CONTROL 1/2" STAINLESS STEEL VALVE 1002GCTN36SV0PN?FLN36