1734-IM2+++1734-IM2

+++

逐步得電逐步失電型步進順序控制系統設計法

    1．步進階梯設計

    按圖1所示的控制流程，采用逐步得電逐步失電型順序控制系統設計法設計的步進階梯如圖4a所示，其電路結構與圖3的不同點之一是每步的失電由下一步輔助繼電器的常閉接點控制；之二是步1回路必須串聯步2至zui后工作步4的輔助繼電器常閉觸點。以防電路工作時，因誤操作再次起動而導致控制順序錯亂。其余的電路結與圖3相同。

：張亮（工程師）    專線：
24小時移動專線：         【】

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ALLEN BRADLEY 509-FOD SER. L SIZE 5 STARTER 115-120V60H

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METSO VALMET AUTOMATION CPU40E32M BOARD A413046 40E 32M

OMRON 3G3IV-A5110-EV2 INVERTER 3G3IV W/ JVOP-100 DIGITA

MODICON 110-222 SERVO POSITION CONTROLLER 110222 MODEL 

NOR DS1404090 PASSPORT 8691SF W/256MB SWITCH NIB

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INDRAMAT R911270069 SERVO CONTROLLER DIGITAL

SET OF SICK 14-FGS CURTAINS FGSS900-121 / FGSE900-121

SIEB & MEYER AC-SERVO 26.36.15 MODULE SINUDYN REPAIRED

SIC MARKING 4400210 Z AXIS SLIDE 100MM STROKE 50MM/S

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FACTORY SEALED 440L-P4K1440YD SAFETY LIGHT CURTAIN PAIR

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RELIANCE 802275-3R RECTIFIER STACK HEAT SINK ASSY (

CUTLER HAMMER 7585DT-17 OPERATOR INTERFACE PANEL 7585DT

ALLEN BRADLEY 1336S-CWF30-AA-EN DRIVE 1336SCWF30AADE4

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ALLEN BRADLEY 6181-AFAAZZZZZ SER. B COMPUTER 6181AFAAZZ

STROMBERG / ABB AIO86-8/4 ANALOG BOARD AIO8684 57275812

AUTOTECH CONTROLS SAC-M1890-R1PD0 TRANSDUCER M1890 

CHROMALOX 155-500727-012 HEATING ELEMENT 1555007270

HARRINGTON ED250DA-6 250LBS SINGLE-PHASE ELECTRIC CHAIN

CUTLER HAMMER D7D SERIES TOUCH PANEL D7DBA12AGA1XXX

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MICROSCAN QX HAWK FIS-6800-1210G INDUSTRIAL BARCODE SCA

VICKERS SM4-40(40)151-80/40-10 SERVO SM44040151804010

PACIFIC SCIENTIFIC SK53DYY1YY-Y05 AC SERVO MOTOR

COGNITENS 7055-1 OPTICAL HEAD-CONTROL CARD REV. 1 70051

JOHNSTONE 115-175SR 1K DISPENSE HEAD 115-175 39-540-063

SIEMENS 6SE7012-0TP50-Z=F01 INVERTER 6SE70120TP50ZF01

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PARKER 890CS/5/0108D/B/00/N/EN AC890 MODULAR AC DRI

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ACCURAY 64829-002 PC ASSEMBLY OPERATOR INTERFACE 648290

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GE 4006L6501AB-G001 DRIVE INTERFACE CARD 4006L6501AAG00...

STROMBERG / ABB FDC86-CONT PC DISK CONTROLLER 57770163 

ALLEN BRADLEY 1336T-GT1-SP51A ADAPTER BOARD 74101-954-5

ACCURAY ABB 064844-005 PC BOARD PRI 064844005 64844-005

MODICON 92-00806-02 PMATE+2000 POWER SUPPLY 920080602 

EUROTHERM L53300 LINK RACK W/ L5353, L5331, L5311, L535

DANFOSS VLT 5011 175Z0161 223620H510 DRIVE 10 HP

DAYTRONIC 10BDR64/006 H/W 4.1 INTERFACE CARD 10BDR64 NE

ACCURAY 83886-001 UI PC BOARD 83886001 083886-001

BAILEY FISCHER & PORTER 50SM13A1BXD10ACEC2101 MAGNETIC 

TROJAN 931066-001 P40 UV LOGIC BOARD 931066001 NEW

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