51400700-100【到货】51400700-100

51400700-100
51400700-100
51400700-100
PLC采用循环扫描的工作方式，在PLC中用户程序按先后顺序存放，CPU从第一条指令开始执行程序，直到遇到结束符后又返回第一条，如此周而复始不断循环。PLC的扫描过程分为内部处理、通信操作、程序输入处理、程序执行、程序输出几个阶段。全过程扫描一次所需的时间称为扫描周期。当PLC处于停状态时，只进行内部处理和通信操作服务等内容。在PLC处于运行状态时，从内部处理、通信操作、程序输入、程序执行、程序输出，一直循环扫描工作。

JORDAN CONTROL LA2510 ACTUATOR, NEW

Namco (proximity sensor) Long range

8030-CRM116 SYMAX MODULE BUS EXPANDER

Resistoflex 2" Expansion Joint 3 Convolutes

Toshiba 2E Relay , Type RC800-HP2-AC

DAYTON SPEED REDUCER , MODEL # 22152C , 25.1 RATIO

Festo Pneumatic Cylinder , # DN-160-130

Model P91T Pneumatic Position Transmitter

Vernier Valvactor Type C

Siemens Sitrans P Transmitter With Capillaries/Fla?nges

Moore Transmitter With Capillaries/Fla?nges

Honeywell Transmitter With Capillarie/Flan?ge

AGASTAT TIME DELAY RELAY OFF-DELAY DPDT .2-5SECOND

BALDOR MOTOR , MODEL # M3602 , 3/4 HP , 184T

Hydro-Line Cylinder , # HR5C-2 , 3" Bore

Milwaukee Cylinder , # A71-62 , 2 1/2" Bore , 7" Stroke

Mitsubishi Terminal Block

Smc VALVE LOCKOUT NVHS5500N05X116 NEW

Mitsubishi 12 Slot Rack

Morse Vertical Input, Double Horizontal output

GE Current Limiting Fuse Type-EJ-1

Asco Tri-Point Press.Temp. Switch Cat # TE10A11 NIB

Omron Proximity Switch E2EX10MY153US 120 Vac 2m NIB

Moore XTC Transmitter # 340AFBHAAB5N113 , New

Ethylene Corp 1" Expansion Joint 2 Convolutes

Ethylene 3" Expansion Joint

Rexroth Hyd Cylinder , # C-MS2-PH-C

Rexroth Hyd Cylinder , # C-MS2-PP-C

Valmet Hyd Cylinder , # PIC-63-50

Invensys Actuator MP-371-0-0-2

PARKER SOLENOID , 5000 PSI , HYDRAULIC

Mitsubishi 600 Amp Breaker

Diversified Electronics Automatic Timing & Control NIB

FMC Invalco Rate Totaliser With DualPulse Transducer

CUTLER HAMMER PNEUMATIC TIMING RELAY # 10337H192B

Parker CPI Union Tee , 20-20-20-JBZ-SS , 1 1/4"

Cajon/Swagelok , M12 x 1.5 NPT , 316 S/S (6 pc's)

Atkomatic Solenoid Valve 3/8" , # 15810-XWP , Nema 7

PARKER 4530CHXXABBE53 VALVE

Atkomatic Solenoid Valve 1/2" , # 5220.656 , Nema 7