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今天給我們說一個西門子事例——西門子S7-200SMART PLC怎樣實現(xiàn)兩燈交替閃耀

　　我們先來看看這個事例的具體要求：

　　運用定時器Q0.0和Q0.1，當(dāng)按下發(fā)動按鈕時Q0.0亮，1秒后Q0.0滅，同時Q0.1亮，再過兩秒后Q0.1滅。以此循環(huán)，直到按下中止按鈕，Q0.0和Q0.1全滅

　　首要畫時序圖。再用定時器加比較的辦法會把很多雜亂的東西簡單化

　　時序圖便是表示地址或變量根據(jù)時刻的改變而改變的圖形

　　整個占用的時刻為3秒，需要用到100毫秒定時器

　　設(shè)：定時器的當(dāng)時值為X，0≦X﹤10的時候，Q0.0亮；當(dāng)10≦X﹤30時，Q0.1亮。

　　接下來便是循環(huán)的問題，循環(huán)便是用最后一個狀況作為第一個狀況的發(fā)動條件。

　　定時器PT值為3秒(數(shù)值計作30)，運用TNO接通延時定時器，當(dāng)當(dāng)時值=設(shè)定值，狀況輸出為1時，即定時器狀況位T37=1時，就去復(fù)位定時器，再從0開始，這個便是自復(fù)位，便是自己復(fù)位自己，到了3秒就從0開始。

　　最后整理下編寫程序的思路：

　　1、 啟停操控——輸出發(fā)動標(biāo)志位，輸出為1，并保持(自鎖)

　　2、 定時器操控——用發(fā)動標(biāo)志位去接通定時器，讓其作業(yè)

　　3、 比較——0-1秒Q0.0輸出，1-3秒Q0.1輸出

　　此外還有第二種辦法哦，會運用到震蕩電路(閃耀電路)以及兩個定時器交替操控，一個操控接通時刻，一個操控斷開時刻。
 

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DVID/22/4/1/P

MDK332V-0

1492-N44 TERM BLCK High Rise MTG Rail

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1497A-A14-M6-3-N Control Power Transformer

1585J-M4TBJM-20 RJ45 Ethernet Media

1732E-IT4IM12R ARMORBLOCK 4 POINT TC INPUT

1771-WC FIELD WIRING ARM 10 TRMLS GOLD PLATED

193-EELG E1 Plus 100-500 A IEC Overload Relay

20-750-ACTE1-F6 PowerFlex 750 AC Terminal Extension Kit

2090-CPWM7DF-10AA04 MP-Series 4m Servo Power Cable

2097-V32PR0-LM Kinetix 350 400W Servo Drive

ET-GT-3ES-2SC 2 RJ45 Ports, 1 Multimode Fiber Port Ethernet Switch

GFK-1886 ViewStation/ControlStation CE Iix (10 inch) HW User's Guide

IC220MDD840 HIGH SPEED COUNTER INPUT, 1IN/1OUT 24VDC (REQUIRES 1 IC220TBK203)

IC647CSPR025 Proficy Cause+ for Intelligent HMI/SCADA Runtime Server - 25X monitored KPIs

IC647PSF025 Proficy Process Systems 250 I/O with iFIX

IC693MDL231LT 240 Vac Isolated Input (8 Points) (LT)

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HE693STP101 same as STP100E w/optical isolation, independent accel/decel

IC670MDL233 120VAC 8 PT Isolated Input

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194R-J30-1753-PYS1 194R Disconnect Switch

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CBL-3C-RD-30 Resolver cable for MTR-3S or MTR-3N series servo motors. 30 feet

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IC693ALG221 Analog Input, Current, 4 Channels

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GFK-0840 Motion Mate APM Standard Mode User's Manual

IC646MDB150 Logic Developer 150 Tag Runtime & Development System

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1585J-M8PBJM-20 RJ45 Ethernet Media

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188-K2C630 Miniature Circuit Breaker 63 A

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BC647MSS001 Logic Developer State Standard with Proficy GlobalCare Complete with USB Hardware key

GC647IPWRPLDVUNLMTM iPower Option - Nwk Unlmt I/O Dev Globalcare Complete part

IC200DEM004UNVCN MicroMotion and VersaMotion Demo-China

IC646NDM000 CIMPLICITY for Windows Distributor Demonstration Package

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IC670MDL330 12 - 120Vac 1A Output, 16 Point

IC697MDL251RR 120 Vac Input (16 Points) Non-isolated

IC800SLCEV050 Encoder cable for any 1 kW to 5 kW S-series servo motor. 5 meters

ControlLogix/1756 System 1756-TBCH 36 PIN SCREW CLAMP BLOCK WITH STANDARD HOUSING

Industrial Computers 6182H-12KEH6B VVCE 1250, KEYPAD, EXT MEM, RIO/DH, AC

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IC600YR555RR 13" I/O Rack with High Capacity P/S, 125Vdc (8 Slots)

IC800SLA0031 30W, 115 VAC SL Servo Amplifier

OC647IFGLBLCLN001M-55 iFIX WebSpace Client v5.5 - Additional Single User

PXI-2531

ACS-6241VE

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SIMATIC STEP 7 V14 6ES7823-1FA00-0YA5 SIMATIC S7-PLCSIM Advanced V1.0

1585D-M4UBDM-10 1585D Ethernet Media Patchcord

1756-IH16I ControlLogix 16 Point D/I Module

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194E-E32-1753-6G 32 A 194E Load switch

2090-CFBM4DF-CEAA09 MP-Series 9 m Length Feedback Cable

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FlexLogix System 1794-IB16D 24V DC SINK DIAGNOSTIC INPUT MODULE, 16PT

PLC-5/1771 System D1771-6.5.99 CONFIGURABLE FLOWMETER MODULE USER MANUAL 1771-CFM

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IC300FOX404 FOX Fiber Optic Base/Hub

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MTR-3S67-G-R-0-E-SRR Servo Motor with Seal

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PEB-7764

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1746-OB16 SLC 16 Point DC Output Module

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194E-16-C3 194E 3 Pole Terminal Cover

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GC-8459-EB-MT Ethernet BIM Workbench, Global Care Only

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IC600DM706RR DP Prom Type 1A Module (DPU)

IC647HSTES10000KM Historian Enterprise Server 10,000,000 Points (M4 Key)

IC647WIMM WIM:Westinghouse IMPACC

IC694ALG232LT Low Temperature. RX3i Efficiency 16-Channel Advanced Analog Voltage Input module provides 16 single-ended or 8 differential input channels. 0 to 10 V (unipolar), -10 to +10V (bipolar) with 16 bit resolution. Advanced diagnostics. Requires Proficy? M

IC756SDV000CS-99 DV Development - Solaris Op Sys, Simplified Chinese, Version 9.9

MicroLogix 1200 System 1762-IF4 4 CHANNEL CURRENT/VOLTAGE ANALOG INPUT MODULE

PLC-5/1771 System 1771-TCM TEMPERATURE CONTROL MODULE

Distributed I/O 1794-OB8EPK CONFORMAL COAT, 24VDC SOURCE OUT ELECT FUSED, 8 PT

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Support 6200-APIR SUPT REINSTATEMENT CONTRACT FOR 6200API

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Support F1771-DA FIRMWARE UPGRADE FOR 1771-DA I/O MODULE

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Motion Control 8720SM-011S1DAS3 SPARE PART ONLY - GMS ITEM

78005102 Target Spare Module

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IC697CGR772 Hot Standby Genius Dual Bus CPU, 486DX4, 2K Discrete I/O, 512K byte fixed user memory, Floating Pt.

MTR-1235-E-D-E-0 MTR series NEMA 23 stepping motor with series winding connection and encoder

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W26361-W94-X-02

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1492-SPM3B040 MCB Supplementary Protector 4 A

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150-F480NBD SMC Flex Smart Motor Controller

1734-AENT POINT I/O Ethernet Network Adaptor

1783-BMS06SL Stratix 5700 6 Port Managed Switch

193-EGJ E1 Plus Ground Fault and Jam Module

20-750-BUS5-F9 PF755 FR9,IP00,DC IN,INPUT TERMINATION

2090-CPWM7DF-10AF05 MP-Series 5 m Length Power Cable

2097-V34PR3-LM Kinetix 350 1.0kW Servo Drive

ET-GT-9ES-2SC 8 RJ45 Ports, 1 Multimode Fiber Port Ethernet Switch

GFK-2060 VMIC

IC220MDL752 OUTPUT, 24VDC POSITIVE LOGIC 0.5A, 4PT (REQUIRES 1 IC220TBK123)

IC647DMC100 DataMart 100 Reporting Clients

IC647REAM REA:Reliance Electric Automate 15/20/30/40

IC693MDL330LT 120/240 Vac Output, 2 Amp (8 Points) (LT)

IC756CDV001K-99 DV Development - Compaq True64 Op Sys Addt'l User, Korean, Version 9.9

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PLC-5/1771 System 1771-DRS1 CONTROL COPROCESSOR, STATIC RAM MEMORY EXPANSION

Distributed I/O 1790-15CMCBL LDX I/O LONGER RIBBON CABLE, 15CM (LOTS OF 5)

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DeviceNet Products 2711-T10C10 PV1000 COLOR TOUCH, DNET & RS232 PRINT

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