1794-IM8
1794-IM8
1794-IM8
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***条指令开始执行程序,直到遇到结束符后又返回***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。
1.输入处理
输入处理也叫输入采样。在此阶段,顺序读入所有输入端子的通端状态,并将读入的信息存入内存中所对应的映象寄存器。在此输入映象寄存器被刷新。接着进入程序执行阶段。在程序执行时,输入映象寄存器与外界隔离,即使输入信号发生变化,其映象寄存器的内容也不会发生变化,只有在下一个扫描周期的输入处理阶段才能被读入信息。
备货,备货,降降降,火火火,火火火……
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公司名称:厦门泰尼电气有限公司
联系人:小黄(销售代表)
联系电话:0592-6809319
传真号码:0592-6890859(麻烦备注01006收)
手机:18950191386
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邮箱:2917675397@***.com
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————————————————————————————————REXROTH STAR LINEAR BEARINGS 1622-213-214-10 W RAIL
REXROTH INDRAMAT DSS02.1 SERCOS INTERFACE REFURBISHED
REXROTH 1070076509 SF-A2.0041.030-10.050
REXROTH 1070076709 SF-A4.0125.030-14.050
REXROTH PROP AMPLIFIER VT 5002-25/R5E NEW IN BOX
Manne***ann Rexroth 4WE 10G31/CG24N Hydraulic Valve
REXROTH HYDRAULIC VALVE 5-3WE10A32 DIRECTIONAL 96V
Manne***ann Rexroth 4WEG61/EW110N9DAL
REXROTH VT 5003S40 R1 PROP. AMPLIFIER GOOD TAKEOUT
NEW REXROTH VT-VRPA1-50-1X
REXROTH VT-3014 NSPP VT3014
REXROTH VT-2000K42 USPP VT2000K42
REXROTH PROPORTIONAL DIRECTIONAL VALVE
NEW - Clark Lift Truck Pump P/N 2743553 by Rexroth
REXROTH PRECISION ROLLED THREAD BALL SCREW 3465770-0000
REXROTH 8-981-553-454 USPP 8981553454
Rexroth Valve 4WE10***0/CW110N9DA. MNR R978908696. New
Manne***ann Rexroth 4WE 10 C32/CG24N9Z4 Valve Ref
Rexroth P Rotair pnuematic directional valve R431006581
Rexroth VT 5011 S 42 R1 Proportional Amplifier #26623
REXROTH R900938012 NSPP R900938012
REXROTH PERMANENT MAGNET MOTOR SF-A2.0020.030-10.050
Rexroth Prop Amplifier VT3024534
REXROTH Prop Amplifier VT3006S35R5 #2965
REXROTH 0-38398-108 NSPP 038398108
REXROTH 3-842-503-783 NSPP 3842503783
REXROTH P6810-3180 USPP P68103180
REXROTH P-68180-3180 USPP P681803180
REXROTH R900961763 USPP R900961763
REXROTH VT2000S41 NSPP VT2000S41
REXROTH LINEAR BEARING CARTRIDGES, P/N: R166179410
REXROTH LINEAR BEARING CARTRIDGES, P/N: R182433110
REXROTH 8-981-553-451 USPP 8981553451
REXROTH VT2010S42 USPP VT2010S42
REXROTH 4WE10J33/CG24N9K4 USPP 4WE10J33CG24N9K4
Rexroth R185131310 Runner Block/Roller Rall NEW
REXROTH M-3-SED-6-UK13/350-C-G24-N9K4 USPP M3SED6UK1335
REXROTH 041261-516 USPP 041261516
Rexroth 4WE10***0/CW11ON9DA R900561288 Hydraulic Valve
REXROTH M-3-SED-6-CK13/350-C-G24-N9K4 USPP M3SED6CK1335
BOSCH REXROTH 3842174350 SENSOR HEAD NEW
NEW REXROTH R900928826 LOGIC CARTRIDGE LC 63 A20E7X
REXROTH DPR-10 Digital Amplifier
REXROTH DPR-10 Digital Amplifier
REXROTH PNEUMATIC CYLINDER 18" STROKE TM-841000-3180
Rexroth VT 3000 Sevo Card Cat# VT3000S34 R5 Used
Rexroth Servo Amplifier VT5011 S45R1 #24334
REXROTH HYDRAULIC VALVE 4WE6D60/OFEG24N9K4 RR00009279
Rexroth Hydraulic cylinder 50mm x 120mm
REXROTH ANALOG AMPLIFER VT 3018
MANNE***ANN REXROTH 4WE10E40/CG24N9DJL USPP 4WE10E40CG24
Rexroth VT3000-36 VT 3000 Amplifier Card NEW
Rexroth Heat Exchanger EKS-524-0 EKS5240
Rexroth VT 5011 Proportional Amplifier Card VT5011
Rexroth DR 6 DP1-53/50Y pressure reducing valve bosch
NEW REXROTH US00880459 EXTENDER CARD EXT 100-32C-1X
BOSCH REXROTH HYDRAULIC PUMP S30S24HJ15L R978037281
Rexroth 4WE-6-J60 EW110N9K4 directional spool valve NEW
