GE IC693CMM302

分類:
選擇深圳長欣,選擇放心,售后無憂
大量現(xiàn)貨,當天順豐發(fā)貨!
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描述

GE IC693CMM302

PLC網(wǎng)絡是由幾級子網(wǎng)復合而成,各級子網(wǎng)的通信過程是由通信協(xié)議決定的,而通信方式是通信協(xié)議最核心的內容。通信方式包括存取控制方式和數(shù)據(jù)傳送方式。所謂存取控制(也稱訪問控制)方式是指如何獲得共享通信介質使用權的問題,而數(shù)據(jù)傳送方式是指一個站取得了通信介質使用權后如何傳送數(shù)據(jù)的問題。

周期I/O通信方式常用于PLC的遠程I/O鏈路中。遠程I/O鏈路按主從方式工作,PLC遠程I/O主單元為主站,其它遠程I/O單元皆為從站。在主站中設立一個“遠程I/O緩沖區(qū)”,采用信箱結構,劃分為幾個分箱與每個從站—一對應,每個分箱再分為兩格,一格管發(fā)送,一格管接收。主站中通信處理器采用周期掃描方式,按順序與各從站交換數(shù)據(jù),把與其對應的分箱中發(fā)送分格的數(shù)據(jù)送給從站,從從站中讀取數(shù)據(jù)放入與其對應的分箱的接收分格中。這樣周而復始,使主站中的“遠程I/O緩沖區(qū)”得到周期性的刷新。
在主站中PLC的CPU單元負責用戶程序的掃描,它按照循環(huán)掃描方式進行處理,每個周期都有一段時間集中進行I/O處理,這時它對本地I/O單元及遠程I/O緩沖區(qū)進行讀寫操作。PLC的CPU單元對用戶程序的周期性循環(huán)掃描,與PLC通信處理器對各遠程I/O單元的周期性掃描是異步進行的。盡管PLC的CPU單元沒有直接對遠程I/O單元進行操作,但是由于遠程I/O緩沖區(qū)獲得周期性刷新,PLC的CPU單元對遠程I/O緩沖區(qū)的讀寫操作,就相當于直接訪問了遠程I/O單元。這種通信方式簡單、方便,但要占用PLC的I/O區(qū),因此只適用于少量數(shù)據(jù)的通信。??雖然不同品牌PLC產品相差無幾,但并不代表用不同的品牌的東西可以掉以輕心。相對于某些由三菱PLC應用轉到西門子PLC應用中的用戶來說,在接觸及使用的初期,更加應該從使用、保養(yǎng)、儲存等最基礎的地方入手,才可以把應用技巧發(fā)揮到最極致。下面是關于如何保養(yǎng)西門子PLC的相關事項。

產品承諾:
保?證?全新原裝進口,
保?證?安全準時發(fā)貨,
保?證售后服務質量,
優(yōu)勢價格,大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌:ABB???,AB??,GE,FOXBORO,本特利,英維思,伍德沃德,西屋,瑞恩,施耐德,西門子,摩托羅拉,安川。力士樂。ACSO,橫河等進口品牌。 專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
? 專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質保 大量現(xiàn)貨? 國內實力庫存商家

POWER TEN P62B-30100 0-30V@ 0-100A VARIABLE DC SUPPLY

O-30V 100A PLANE ELECTRICAL SYSTEM TEST DC POWER SUPPLY

0-30VDC 100A PLANE ELECTRICAL SYSTEM TEST POWER SUPPLY

LAMBDA DIGITAL 0-300V@0-6A LAB DC POWER SUPPLY + RS-232

0-300V OIL DRILLING DOWNHOLE INSTRUMENTS POWER SUPPLY

O-300V RS-232 COMPUTER CONTROLLED TEST DC POWER SUPPLY

O-30V 100A AUTOMATED BURN-IN OVEN TEST DC POWER SUPPLY

3KW BATTERY SOLAR PANEL ARRAY SIMULATOR DC POWER SUPPLY

3KW EMI RFI EMISSIONS ANECHOIC CHAMBER DC POWER SUPPLY

3KW SEMICONDUCTOR WAFER PROCESS CONTROL DC POWER SUPPLY

SEMICONDUCTOR PROCESS LED LIGHT BURN IN DC POWER SUPPLY

KROHN-HITE 3343 DUAL VARIABLE AUDIO NOTCH NOISE FILTER

NIB SONY PVM-14M4U NTSC PAL COLOR VIDEO MONITOR 16:9 HD

LAMBDA 0-40V@ 0-70A VARIABLE REGULATED DC POWER SUPPLY

LAMBDA LB-703-FMOV 0-36V@0-80A VARIABLE DC POWER SUPPLY

LAMBDA TCR 40S70-2 0-40V@0-70A VARIABLE DC POWER SUPPLY

LAMBDA 0-36V@ 0-80A METERED REGULATED DC POWER SUPPLY

TEKTRONIX 528 1420 NTSC WAVEFORM MONITOR & VECTORSCOPE

1.5KVA 230V 50HZ AC EUROPE MAINS POWER SUPPLY CONVERTER

LAMBDA 0-40V@0-60A DIGITAL VARIABLE DC LAB POWER SUPPLY

LAMBDA EMS 40-60-2-D 0-40V@0-60A DC LAB POWER SUPPLY

LAMBDA EMS 7.5-300-2-D 0-7.5V@ 0-300A DC POWER SUPPLY

LAMBDA EMS-10-200-5-D-?RSTL 0-10V@0-200A DC POWER SUPPLY

ANODIZING PLATING RECTIFIER CORROSION FREE PRESSURE BOX

KEPCO BOP 100-1 ±100V BIPOLAR DC POWER SUPPLY AMPLIFIER

60-50HZ FREQUENCY CHANGER EUROPE AC MAINS POWER SUPPLY

200A COPPER NICKEL CHROME ZINK PLATING RECTIFIER GPIB

200A TRANSISTOR DIODE BURN-IN OVEN DC POWER SUPPLY GPIB

TEKTRONIX 1710 1420 NTSC WAVEFORM MONITOR VECTORSCOPE

300AMP COPPER NICKEL SHOW CHROME GOLD PLATING RECTIFIER

EXTRON RGBHV YUV VIDEO AUDIO SWITCHER DLP CRT PROJECTOR

IKEGAMI NTSC PAL BROADCAST COLOR S VIDEO MONITOR 16X9

HP 6269B 0-40V@0-50A REGULATED DC POWER SUPPLY GUAR WKG

TEKTRONIX 760A STEREO AUDIO LEVEL PHASE SCOPE MONITOR

NEW 1KW 2/4/8/16Ω AUDIO POWER AMPLIFIER TUBE DUMMY LOAD

LAMBDA LK362-FMOV 0-60V@0-25A VARIABLE DC POWER SUPPLY

LAMBDA EMS 13-200-2-D 0-13V@0-200A DC LAB POWER SUPPLY

MAGNI NTSC PAL VIDEO YUV WAVEFORM VECTORSCOPE MONITOR

6KW ANALOG DIGITAL AUDIO STUDIO AC POWER LINE REGULATOR

HP 6034A 0-60V@ 0-10A DIGITAL LAB DC POWER SUPPLY GP-IB

GVG 8560 48 OUT STEREO AUDIO DISTRIBUTION AMPLIFIER DA

LAMBDA 0-60V@0-25AMPS REGULATED METERED DC POWER SUPPLY

SONY PVM-4B1U RACK MOUNT QUAD 4″ VIDEO MONITOR REBUILT!

6KW AUDIO VIDEO STUDIO AC POWER LINE VOLTAGE REGULATOR

200A 2600W CAR AUDIO POWER AMPLIFIER 12VDC POWER SUPPLY

O-13VDC 200A CAR ELECTRICAL SYSTEM TESTER POWER SUPPLY

O-13VDC 200A BOAT ELECTRICAL SYSTEM TESTER POWER SUPPLY

O-13VDC 200A CAR BOAT PLANE ELECTRICAL COMPONENT TESTER

O-13VDC 200A CAR BOAT PLANE ELECTRICAL COMPONENT TESTER

O-13VDC 200A CAR BOAT PLANE ELECTRICAL COMPONENT TESTER

0-200AMP DC CIRCUIT BREAKER CONNECTOR RESISTANCE TESTER

200A AC POWER LINE WIRING GROUND BOND BONDING TESTER

200AMP COPPER NICKEL CHROME ANODIZING PLATING RECTIFIER

LAMBDA 0-13V @ 0-200A DIGITAL REGULATED DC POWER SUPPLY

2NEWIB DORROUGH 40-A2 AUDIO VU LEVEL AVERAGE PEAK METER

WESTERN ELECTRIC VARIAC 4 VINTAGE TUBE AUDIO AMPLIFIER

5KW ANALOG DIGITAL AUDIO STUDIO AC POWER LINE REGULATOR

TEKTRONIX STEREO AUDIO LEVEL PHASE CD MASTERING MONITOR

NASA GEMINI ANALOG ELECTRIC DUAL STOP WATCH CLOCK TIMER

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SR-71 BLACKBIRD FLIGHT INSTRUMENT STOP CLOCK BOMB TIMER

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STEAMPUNK ANALOG ELECTRIC DUAL STOP WATCH CLOCK TIMER

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NASA GEMINI FLIGHT INSTRUMENTS ANALOG STOP WATCH TIMER

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ULTIMATE 300B TUBE AUDIO POWER AMPLIFIER POWER SUPPLY

LAMBDA EMS 13-150-2-D 0-13V@0-150A DC LAB POWER SUPPLY

VARIABLE AC POWER SOURCE SUPPLY 0-135 0-270V 50HZ 500VA

PANASONIC COLOR VIDEO MONITOR DIGITAL 4WAY MULTI CAMERA

HP 6448B 0-600V@ 0-1.5A REGULATED DC BENCH POWER SUPPLY

0-600V 1000 WATT DC POWER SUPPLY 4 TUBE AUDIO POWER AMP

DIGITAL RS-232 DATA ANNOTATOR VIDEO CHARACTER GENERATOR

0-280V@0-10A METERED ISOLATED VARIAC AC POWER SUPPLY

200AMP COPPER NICKEL SHOW CHROME GOLD PLATING RECTIFIER

HP 6268B 0-40V@0-30A REGULATED DC POWER SUPPLY GUARWKG

LAMBDA EMS 5-200-1-D 0-5V@200A DIGITAL DC POWER SUPPLY

SONY CCU-M3 4 DXC-537A DXC-M7 DXC-3000A DXC-327 CAMERA

USAMADE 0-100V@ 0-10A DIGITAL REGULATED DC POWER SUPPLY

POWER TEN 3300D-10010 0-100V@0-10A VARIABLE DC SUPPLY

SONY HKPF-D270 24P HD DIGITAL CAMERA INPUT MODULE HDCAM

SORENSEN 0-60V@0-17A REGULATED METERED DC POWER SUPPLY

TRUE ISOLATION LINE VOLTAGE REGULATOR POWER CONDITIONER

TOPAZ 70306 2KW ISOLATED AC POWER REGULATOR CONDITIONER

WOHLER 16CH STEREO AUDIO VU LEVEL METER SPEAKER MONITOR

SORENSEN 0-80V@0-12A VARIABLE REGULATED DC POWER SUPPLY

SORENSEN SRL 60-17 0-60V@0-17A METERED DC POWER SUPPLY

SORENSEN DCR 80-12B 0-80V@0-12A METERED DC POWER SUPPLY

SONY PVM-411 RACK MOUNT QUAD 4″ VIDEO MONITOR REBUILT!!

LEITCH SERIAL 601 SDI DIGITAL VIDE0 A-D 10BIT CONVERTER

LAMBDA 0-60V@ 0-18A VARIABLE REGULATED DC POWER SUPPLY

RECORDING STUDIO NO NOISE TRIPLE VARIAC LIGHTING DIMMER

SORENSEN 0-150V CIRCUIT BREAKER TESTER DC POWER SUPPLY

SORENSEN DCR 150-6B 0-150V@0-6A METERED DC POWER SUPPLY

HP 6434B 0-40V@0-25A REGULATED DC POWER SUPPLY REBUILT!

1KW BATTERY SOLAR PANEL ARRAY SIMULATOR DC POWER SUPPLY

POWER TEN 3300P-2050 0-20V@0-50A DC BENCH POWER SUPPLY

0-20V@0-50A DIGITAL REGULATED DC LAB POWER SUPPLY

50A ANODIZE ANODIZING ELECTROPLATING PLATING RECTIFIER

50A RHODIUM NICKEL SILVER GOLD ELECTROPLATING RECTIFIER

0-30V@0-33A DIGITAL REGULATED DC LAB POWER SUPPLY

POWER TEN 3300D-3033 0-30V@ 0-33A DC BENCH POWER SUPPLY

O-30V 33A PLANE ELECTRICAL SYSTEM TEST DC POWER SUPPLY

O-30V 33A AUTOMATED BURN-IN OVEN TEST DC POWER SUPPLY

0-30V DC AIRCRAFT ELECTRICAL SYSTEM TEST POWER SUPPLY

1KW EMI RFI EMISSIONS ANECHOIC CHAMBER DC POWER SUPPLY

1KW SEMICONDUCTOR WAFER PROCESS CONTROL DC POWER SUPPLY

SEMICONDUCTOR PROCESS LED LIGHT BURN IN DC POWER SUPPLY

RECORDING STUDIO NO NOISE DUAL VARIAC LIGHTING DIMMER

LAMBDA EMS 13-75-1-D 0-13V@0-75A BENCH DC POWER SUPPLY

75A ANODIZING TIN COPPER NICKEL GOLD PLATING RECTIFIER

HP 6114A 0-40V PRECISION DC CALIBRATOR LAB POWER SUPPLY

HP 6260B 0-10V@0-100A REGULATED METERED DC POWER SUPPLY

SORENSEN DCR 40-25B 0-40V@0-25A METERED DC POWER SUPPLY

HP 6428B 0-20V@0-45A VARIABLE REGULATED DC POWER SUPPLY

GENERAL RADIO 0-280V@ 0-8A DUAL METERED VARIAC LIKENEW!

45A ANODIZING ELECTRO PLATING ELECTROFORMING RECTIFIER

SIGMA VSS VIDEO AUDIO CAMERA WAVEFORM MONITOR SWITCHER

NEWBOX APS230 2CH HANDHELD DIGITAL STORAGE OSCILLOSCOPE

GVG TEN-XL VIDEO AUDIO CAMERA WAVEFORM MONITOR SWITCHER

HP 6428B 0-20V@0-45A VARIABLE REGULATED DC POWER SUPPLY

SORENSEN DCR40-25B 0-40V@ 0-25A METERED DC POWER SUPPLY

100AMP GOLD COPPER ZINC NICKEL CHROME PLATING RECTIFIER

SORENSEN 0-40V@ 0-25A REGULATED METERED DC POWER SUPPLY

STACO E1010VAW VOLTS AMPS WATTS METERS 1400W LAB VARIAC

PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質保 大量現(xiàn)貨? 國內實力庫存商家


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當天順豐發(fā)貨!
主營:本特利,英維思,伍德沃德,福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點經(jīng)驗。
1、先通讀一遍“系統(tǒng)手冊”(不管能不能看懂,先了解個大概,以便學習編程時查找);
2、由位控邏輯入手,逐漸增加定時、計數(shù)等條件,把或、與、非關系理順;
3、進而練習整數(shù)運算、實數(shù)運算、類型轉換;
4、量程轉換、PID調節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個物理回路驗證,比如變頻器+電機+測速傳感器);
5、循環(huán)、順序、跳轉等程序控制(盡量避免跳轉,非跳不可時也是跳的越近越好);
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅動器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌,由于PLC的基本框架大同小異,學會一種至于其它的學習起來也就簡單了。