6FX1128-1BBOO
6FX1128-1BBOO
詢價(jià)QQ;1093230189
【超低價(jià)】
以質(zhì)量贏得市場(chǎng)!
用誠信鑄就品牌!
只要是您想要的,我都能幫您找到,價(jià)格從優(yōu)!
下面是我公司的優(yōu)勢(shì)產(chǎn)品(日常用的最多)
史無前例超低價(jià)!
如果您發(fā)現(xiàn)其他供貨商為相同產(chǎn)品提供更為低廉的價(jià)格,我們也愿意參照其價(jià)格向您提供進(jìn)一步的折扣。
歡迎來電咨詢,我們將會(huì)給您最優(yōu)質(zhì)的服務(wù)!
還有不常用的未列出,但都有做的)歡迎您的咨詢!
【超售后】
我們售出所有備品備件的保修期均為一年、并且都經(jīng)過了嚴(yán)格的測(cè)試和認(rèn)證 。
【超服務(wù)】
您或許會(huì)在我們的資料中找到您需要的備品備件,在任何時(shí)間,我們都?xì)g迎您對(duì)我們產(chǎn)品提出寶貴的建議。
如果您訂購產(chǎn)品超過 1 件,請(qǐng)與我們聯(lián)系,我們可以為您提供進(jìn)一步折扣。
BCD碼數(shù)據(jù)外部輸入應(yīng)用設(shè)計(jì)舉例 1.1 設(shè)計(jì)思路 首先介紹SIEMENS(西門子)公司PLC S7—200的物理存儲(chǔ)區(qū)結(jié)構(gòu),一般情況下,物理存儲(chǔ)區(qū)是以字節(jié)為單位的,所以存儲(chǔ)單元為字節(jié)單元,操作數(shù)長度是字或雙字時(shí),標(biāo)識(shí)符后給出的存儲(chǔ)單元參數(shù)是字或雙字內(nèi)的最低字節(jié)單元號(hào)。圖1(a)給出了字節(jié)、字、雙字的相互關(guān)系及表示方法。當(dāng)使用數(shù)據(jù)寬度為字或雙字時(shí),應(yīng)保證沒有生成任何重疊的存儲(chǔ)器字節(jié)分配,例如,字地址編碼應(yīng)采用MW10、MW12、MW14······等偶數(shù)字地址或MW11、MW13、MW15·······等奇數(shù)字地址,由于存儲(chǔ)器字MW10占用MB10、MB11兩個(gè)字節(jié),而MW11則要占用MB11、MB12兩字節(jié),存在字節(jié)地址重疊單元MB11,所以字地址編碼時(shí)奇偶不能兼用,以免造成數(shù)據(jù)讀寫錯(cuò)誤。圖1(b)給出數(shù)據(jù)存儲(chǔ)結(jié)構(gòu),數(shù)據(jù)的高位用MSB表示,低位用LSB表示。 [align=center] 圖1(a) 以字節(jié)單元為基準(zhǔn)標(biāo)記存儲(chǔ)器單元 圖1(b) 存儲(chǔ)器中字節(jié)、字、雙字之間的關(guān)系[/align] 其次,以德國SIEMENS(西門子)公司的S7—200 PLC為例。構(gòu)成加熱控制系統(tǒng),加熱時(shí)間采用三位十進(jìn)制數(shù)的BCD碼撥盤從PLC外部輸入。PLC輸入/輸出接點(diǎn)分配如下表所示: 附表:PLC輸入/輸出接點(diǎn)地址分配
加熱系統(tǒng)的加熱元件用PLC輸出點(diǎn)Q0.0控制,系統(tǒng)起動(dòng)按鈕由I1.4輸入,復(fù)位按鈕由I1.5輸入。 [align=center] 圖2(a) 主程序流程
ALLEN BRADLEY 1336-C007-EOD 7HP 575V-AC CONSTANT TORQUE AC MOTOR
FISHER BFC 667 2 IN 3580 STAINLESS PNEUMATIC 300 CONTROL VALVE
NEW GOULD AS-P452-012 MODICON 110/220V-AC POWER SUPPLY D452141
NEW VIBCO 6P-1000 3PH 1200RPM 230/460V-AC 4/2A AMP VIBRATOR
HONEYWELL 0100213 FS90 PLUS ALARM SYSTEM FOR FIRE & SAFETY AND
MOTIVAIR MDX75 REFRIGERATED COMPRESSED AIR DRYER 0.64KW 120F
FISHER 657 4 IN PNEUMATIC IRON BRONZE FLANGED BUTTERFLY VALVE
NEW R.S. CORCORAN SELF PRIMING 460V-AC 1.5HP STAINLESS
BTG RET-20 MUTEK PULP DRAINAGE FREENESS RETENTION INSTRUMENT
NEW INDRAMAT FWA-CLM1.3-LA1-04VRS-MS REXROTH SERVO DRIVE D381168
NEW 2-1/8IN ID 5 VANE 12IN OD BRASS PUMP IMPELLER REPLACEMENT
NEW REXROTH MAC090B-0-J0-4-C/110-A 0/AM164SG/S001 BRUSHLESS SERVO
NEW WITTENSTEIN ALPHA SP140X-MC2-28-0G1-2K-KF 28:1 GEAR REDUCER
NEW DELPHI B1A-1B6E 0-10 PERCENT H2 IN N2 ANALYZER 115V-AC 100W
AQUAFINE RBE-8R/60 ULTRAVIOLET WATER TREATMENT STERILIZER 2-3/4IN
NEW WITTENSTEIN ALPHA SP140X-MC2-50-0G1-2K-KF 50:1 GEAR REDUCER
NEW WITTENSTEIN ALPHA SP140X-MC2-20-0G1-2K-KF 20:1 GEAR REDUCER
STOBER DRIVES FDS4024/B POSIDRIVE FDS 4000 400/480V-AC 2HP SERVO
ALLEN BRADLEY 150-A35NCD SMC PLUS 208-600V-AC SOFT START STARTER
BELL & GOSSETT 11/2X7B63/4 BF SERIES 80 1.5 IN 65GPM CIRCULATOR
NEW GOULD AS-P421-112 MODICON 115/230V-AC POWER SUPPLY D465826
NEW ALFA LAVAL 9630856522 SERVICE KIT REPLACEMENT PART D440392
PALL HFU660GF200H ULTIPLEAT HIGH FLOW 60 IN FILTER CARTRIDGE
VINTAGE ILLUMINATED RAILWAY TRAIN SIGNAL BOX SIGN FIXTURE
VINTAGE ILLUMINATED RAILWAY TRAIN SIGNAL BOX SIGN FIXTURE
NEW CUTLER HAMMER 15CLE-175E DUAL BARREL 175E AMP 15.5KV-AC FUSE
CLEAR LAM PACKAGING 20000956 SHAFT DRIVEN LINEAR ACTUATOR 18IN
NEW MORSE 188358 CB-7 BACKSTOP CLUTCH 6500LB-FT 3 IN CLUTCH
NEW HOFFMAN X-AC216T66 DESIGN AIRE AIR CONDITIONER UNIT 115V
SIEMENS 1 FT5062-1AF71-4AA0 SERVO MOTOR 375V-AC 2.5A AMP 2.2NM
GIDDINGS LEWIS 501-03895-01 CRT DATA INTERFACE MODULE PCB CIRCUIT
MOORE 352EA21NNC 120V-AC CONTROLLER ASSEMBLY D498499
NEW REXROTH MKD090B-035-KP0-KN PERMANENT MAGNET SERVO MOTOR
NEW BAILEY 6624502M1 SQUARE ROOT EXTRACTOR PCB CIRCUIT BOARD
NEW CUNO 6AL3 2IN NPT FILTER HOUSING D498916
GENERAL ELECTRIC GE TKC361200L MAG-BREAK 3P 1200A 600VAC CIRCUIT
NEW ALLEN BRADLEY 1232X-BNCD-24R COMBINATION PUMP CONTROLLER
NEW VDB PACKAGING 0372700-E HEAT HEATING PLATE HOT VDE-0701/0702
NEW HONEYWELL S984F1070 120/240V-AC STEP CONTROLLER D474731
SCHNEIDER TSXP87425 P87-425 CPU PROCESSOR MODULE D207240
NEW HALMAR ROBICON 2Z-48225-5 480V-AC 225A AMP CONTROLLER D441676
NEW B&R AUTOMATION 8V1090.00-2 ACOPOS 1090 480V-AC 8.8A 4KW SERVO
NEW ALLEN BRADLEY 2364-SPE12A DRIVE POWER 12A AMP FUSE B345230
VALMET WIN1027201A END PIECE OF SECTIONAL ROLL 25 D291595
GENERAL ELECTRIC GE TKC361200L MAG-BREAK 3P 1200A AMP CIRCUIT
CUTLER HAMMER 4HD663NF 100A 600V-AC 6P NON-FUSIBLE DISCONNECT
NEW TUFLINE 4 IN 150 STAINLESS BUTT WELD PLUG VALVE D487324
MEASUREX 08417201 08417801 08416601 SCANNER ASSEMBLY SENSOR
HONEYWELL FS90 PLUS ALARM SYSTEM FOR FIRE & SAFETY AND SECURITY
HONEYWELL FS90 PLUS ALARM SYSTEM FOR FIRE & SAFETY AND SECURITY
NEW CONVAL 12C4 3000PSI 1 IN STAINLESS BUTT WELD CHECK VALVE
NEW CONVAL 12C4 3000PSI 1IN STAINLESS BUTT WELD CHECK VALVE
NEW ALLEN BRADLEY MPL-B520K-MJ22AA KINETIX 4.7HP 95LB-IN SERVO
CAMCO 400RA6H24-150 INDEX DRIVE 7/8 IN 1 IN GEAR REDUCER D261379
ENVIRONMENTAL SPECIALTIES ESI 7-23CR 4C 120V-AC TEMPERATURE
CUTLER HAMMER 4HD663NF 100A 600V-AC 6P STAINLESS DISCONNECT
NEW CONVAL 12C4 1 IN STAINLESS BUTT WELD CHECK VALVE D481252
ABB DCF503-0050 FIELD EXCITER 500V-AC 420V-DC PARTS DC MOTOR
ALFA LAVAL 3 IN PN 10 PNEUMATIC SANITARY STAINLESS DIVERT VALVE
NEW GENERAL ELECTRIC GE 36C774507ABG02 GE FANUC MODULE POWER