ABB AI820

ABB AI820

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輸出回路的設(shè)計(jì)

1、各種輸出方式之間的比較

（1）繼電器輸出：

優(yōu)點(diǎn)是不同公共點(diǎn)之間可帶不同的交、直流負(fù)載，且電壓也可不同，帶負(fù)載電流可達(dá)2A／點(diǎn)；但繼電器輸出方式不適用于高頻動(dòng)作的負(fù)載，這是由繼電器的壽命決 定的。其壽命隨帶負(fù)載電流的增加而減少，一般在幾十萬次至Jl百萬次之間，有的公司產(chǎn)品可達(dá)1000萬次以上，響應(yīng)時(shí)間為10ms。

（2）晶閘管輸出：

帶負(fù)載能力為0.2A/點(diǎn)，只能帶交流負(fù)載，可適應(yīng)高頻動(dòng)作，響應(yīng)時(shí)間為1ms。

（3）晶體管輸出：

zui大優(yōu)點(diǎn)是適應(yīng)于高頻動(dòng)作，響應(yīng)時(shí)間短，一般為0.2ms左右，但它只能帶 DC 5—30V的負(fù)載，zui大輸出負(fù)載電流為0．5A/點(diǎn)，但每4點(diǎn)不得大于0.8A。

當(dāng)你的系統(tǒng)輸出頻率為每分鐘6次以下時(shí)，應(yīng)*繼電器輸出，因其電路設(shè)計(jì)簡單，抗干擾和帶負(fù)載能力強(qiáng)。當(dāng)頻率為10次／min以下時(shí)，既可采用繼電器輸出方式；也可采用PLC輸出驅(qū)動(dòng)達(dá)林頓三極管（5—10A），再驅(qū)動(dòng)負(fù)載，可大大減小。

2、抗干擾與外部互鎖當(dāng) PLC輸出帶感性負(fù)載，負(fù)載斷電時(shí)會(huì)對(duì)PLC的輸出造成浪涌電流的沖擊，為此，對(duì)直流感性負(fù)載應(yīng)在其旁邊并接續(xù)流二極管，對(duì)交流感性負(fù)載應(yīng)并接浪涌吸收電 路，可有效保護(hù)PLC。當(dāng)兩個(gè)物理量的輸出在PLC內(nèi)部已進(jìn)行軟件互鎖后，在PLC的外部也應(yīng)進(jìn)行互鎖，以加強(qiáng)系統(tǒng)的可靠性。

3、“GOM“點(diǎn)的選擇不同的 PLC產(chǎn)品，其“COM”點(diǎn)的數(shù)量是不一樣的，有的一個(gè)“COM”點(diǎn)帶8個(gè)輸出點(diǎn)，有的帶4個(gè)輸出點(diǎn)，也有帶2個(gè)或1個(gè)輸出點(diǎn)的。當(dāng)負(fù)載的種類多，且電流 大時(shí)，采用一個(gè)“COM”點(diǎn)帶1—2個(gè)輸出點(diǎn)的 PLC產(chǎn)品；當(dāng)負(fù)載數(shù)量多而種類少時(shí)，采用一個(gè)“COM”點(diǎn)帶4—8個(gè)輸出點(diǎn)的PLC產(chǎn)品。這樣會(huì)對(duì)電路設(shè)計(jì)帶來很多方便，每個(gè)“COM”點(diǎn)處加一熔絲， 1—2個(gè)輸出時(shí)加2A的熔絲，4—8點(diǎn)輸出的加5—10A的熔絲，因 PLC內(nèi)部一般沒有熔絲。

4、PLC外部驅(qū)動(dòng)電路對(duì)于 PLC輸出不能直接帶動(dòng)負(fù)載的情況下，必須在外部采用驅(qū)動(dòng)電路：可以用三極管驅(qū)，也可以用固態(tài)繼電器或晶閘管電路驅(qū)動(dòng)，同時(shí)應(yīng)采用保護(hù)電路和浪涌吸收電 路，且每路有顯示二極管（LED）指示。印制板應(yīng)做成插拔式，易于維修。

PLC的輸入輸出布線也有一定的要求，請(qǐng)看各公司的使用說明書。

YUKEN HYDRAULIC CYLINDER CJT70-FA32B80B-?ABD-EK

YUKEN HYDRAULIC CYLINDER CJT70-A80B30B ABD

YUKEN HYDRAULIC CYLINDER CJT70-FA80B90B-?BAD

YUKEN HYDRAULIC CYLINDER CJT70-A80B90B-B?AD

YUKEN HYDRAULIC CYLINDER CJT70-TC40B175B?-ADA-EK

YUKEN HYDRAULIC CYLINDER CJT70-FA40B115B?-CAA-EK

YUKEN HYDRAULIC CYLINDER CJT70-FA32B60B-?ABD

YUKEN HYDRAULIC CYLINDER CJT70-LA32B85B-?ABD

LENZ * UNION FITTING * UNKNOWN

MAC PNEUMATIC SOLENOID VALVE 6336D-000-PM-11?1DA

FESTO 40MM BORE 280MM STROKE PNEUMATIC CYLINDER DKE-40-280-PPV-?A

DIXON BOSS PNEUMATIC REGULATOR AIR COMPRESSOR R30-06R NNB

FESTO 80MM BORE 80MM STROKE PNEUMATIC CYLINDER, DNC-80-80-PPV-A?, NNB

PARKER SERIES VE HYDRAULIC CYLINDER 06.00 TBVELUS14A 12.750

YUKEN HYDRAULIC CYLINDER CJT70-CB40B175B?-ABB

YUKEN HYDRAULIC CYLINDER CJT70-FA32B274B?-ABD

YUKEN HYDRAULIC CYLINDER CJT70-FA80B30B-?ABD

TOYOOKI HYDRAULIC CYLINDER TFA-SA IFA40B70B30DBA

YUKEN HYDRAULIC CYLINDER CJT70-FA80C145B?-ABD

YUKEN HYDRAULIC CYLINDER CJT70-FA40B30B-?AB

YUKEN HYDRAULIC CYLINDER CJT70-FA32D25D-?ABD-EK

YUKEN HYDRAULIC CYLINDER CJT70-FA32B110B?-ACC-EK

YUKEN HYDRAULIC CYLINDERCJT70-L?A40B90B-BDA-E

YUKEN HYDRAULIC CYLINDER CJT70-FA32B70B-?ABB-EK

YUKEN HYDRAULIC CYLINDER CJT70-FA40B450B?-ABD-EK

PARKER HANNIFIN CB152HL001 CYLINDER BODY SEAL KIT NIB

FESTO 40MM BORE 150MM STROKE PNEUMATIC CYLINDER, ADVU-40-150-PA, NNB

YUKEN HYDRAULIC CYLINDER CJT70-FA32B210B?-BAD 20

YUKEN HYDRAULIC CYLINDER CJT70-BA40B145B?-ABD

YUKEN HYDRAULIC CYLINDER CJT70-LB40B85B-?BAD-EK

SMC HYDRAULIC CYLINDER T-CHDMC25-75-K5?9W

YUKEN HYDRAULIC CYLINDER CJT70-FA63C280N?-BNC

SMC HYDRAULIC CYLINDER CHDQB40-30DM-J7?9WL ZS

YUKEN HYDRAULIC CYLINDER CJT70-FA80B40N-?AN

YUKEN HYDRAULIC CYLINDER CJT70-FA80C 28N-BNB

TOYODA MACHINE HYDRAULIC CYLINDER HC-40CB215-W-L

YUKEN HYDRAULIC CYLINDER CJT70-LA32B90B-?ABA-E

YUKEN HYDRAULIC CYLINDER CJT70-LA 50B 65B-ABD

FESTO VMPA-CPI-EPL-GU INTERNAL PILOT AIR SILENCER W/ FIELD BUS INTERFACE

ROSS 2771B4005 110/120 VOLTS 50/60 HERTZ PNEUMATIC VALVE

FESTO PNEUMATIC CYLINDER DNGU-80-430-PPV?-A

FESTO 145PSI PNEUMATIC CYLINDER DNC-32-300-PPV-?A-KP NNB

YUKEN HYDRAULIC CYLINDER CJT70-FA40B80B-?CAA-EK 20A

YUKEN HYDRAULIC CYLINDER CJT70-TC40B370B?-ADD-EK 20A

YUKEN HYDRAULIC CYLINDER CJT70-TC40B415B?-ADD-EK 20A

YUKEN HYDRAULIC CYLINDER CJT70-FA32B350B?-ABD-EK 20A

YUKEN HYDRAULIC CYLINDER CJT70-FA40B100N?-AND-EK

FESTO 40MM BORE 450MM STROKE PNEUMATIC CYLINDER, DNC-40-450-PPV-?A, NNB

YUKEN HYDRAULIC CYLINDER CJT70-FA32B375B?-BCD-EK 20A

YUKEN 20 HYDRAULIC CYLINDER PAZ-0228 / CJT70-FA32B700B?-ABD

MAC 0-150 PSI PRESSURE REGULATOR VALVE, PR63D-11BA *NIB*

FESTO PNEUMATIC CYLINDER DKE-63-340-PPV-?A

FESTO 32MM BORE 240MM STROKE PNEUMATIC CYLINDER, DNU-32-240-PPV-?A, NNB

YUKEN HYDRAULIC CYLINDER CJT70-FA32B50B-?ABD-EK 20A

YUKEN HYDRAULIC CYLINDER CJT70-FA63B65B-?ABC 20A

YUKEN HYDRAULIC CYLINDER CJT70-FA32B220B?-DAA-EK 20A

PARKER SER.HD 3000PSI HYDRAULIC CYLINDER 01.50 CJHDLTV142AC 2.000

STANLEY AIR TOOLS PNEUMATIC NUTRUNNER NO LABEL

SMC PNEUMATIC CYLINDER 63MM BORE 125MM STROKE CDQ2463-125DCM-?A93L

YUKEN HYDRAULIC CYLINDER CJT70-FA50B80B-?CBA-EN

BARCO ROTARY UNION BC-54924-06-06 NIB

NUMATICS 120V, 50/60HZ, 0.36A SOLENOID VALVE WITH MANIFOLD 33DSA4410

FESTO CYLINDER ADVU-63-25-P-A

ARO FLUID POWER E712LS

SMC CYLINDER CLATN80-500-E

FESTO 174PSI, 25MM STROKE,ROUND CYLINDER DGS-25-25

PALL FILTER ELEMENT NNB HC8400FKN16H / TV20B 104870

FESTO PNEUMATIC CYLINDER DNG-40-100-PPV-?A NNB

FESTO PNEUMATIC CYLINDER DNG-50-40-PPV-A NNB

NUMATICS VOLTS/HZ: 120/50/60 AMPS .11 SOLENOID VALVE I23SS500K / 123SS500K

FESTO PNEUMATIC CYLINDER DNG-50-50-PPV-A

NUMATICS 0-15 PSI PRECISION REGULATOR R880-02BG

PARKER 150PSI PNEUMATIC LUBRICATOR 06L11BE

NUMATICS 150PSIG MAX SOLENOID VALVE WITH MANIFOLD 124BB515MP00061

NUMATICS 150 PSIG, 24V PNEUMATIC VALVE 13BB500MP00061

MOOG SERVO VALVE G761-3001 NIB

FLUITEK AIR FILTER A121129-C NIB

NUMATICS 120V, 50/60HZ, 0.08 AMPS SOLENOID VALVE W/ MANIFOLD 152SA425K

BTM FINGER CLAMP NIB 756900C-RSPTDC

HCI-XD CYLINDER 40X460-FA

NUMATICS 24VDC 4.0W 14.5-232 PSIG-AIR SOLENOID VALVE, I22BB500R061D61

NUMATICS NPTF 150 PSIG-AIR PNEUMATIC SOLENOID VALVE, I23BB500MP14X61 NIB

NUMATICS 120V .24A 280 PSIG-AIR SOLENOID VALVE W/ BASE, I35SS73BK

BAILEY BABCOCK & WILCOX PNEUMATIC FUNCTION GENERATOR FG111

NUMATICS 150PSIG SOLENOID VALVE NNB I35SS43BK000030 101800

VICKERS VANE TYPE HYDRAULIC PUMP 4535V 60A 35

KYOHO56H40026 HCI-XD CYLINDER 40MM BORE 910MM STROKE 40X910-LB

YUKEN HYDRAULIC CYLINDER CJT70-FA 80C 65H-ABD

NUMATICS SOLENOID 225-372B, 24VDC 6.0 WATTS 26AMP, 150PDIG- AIR NNB

NUMATICS 123SS515K 120 VOLTS 50/60 HERTZ 150 PSIG DOUBLE SOLENOID VALVE

STAFSJO KNIFE GATE VALVE W/ PNEUMATIC ACTUATOR AC-160 102573

CAT PUMPS GENUINE PARTS CONNECTION ROD 121467 NIB

NUMATICS 120V .12A 150 PSIG-AIR SOLENOID VALVE W/ BASE, 082SA415K

ENIDINE HYDRAULIC SHOCK ABSORBER MT 206313 NIB

MONITEUR * SENTINEL PNEUMATIC VALVE WITH PARTS * AMYB-5120

FESTO LINEAR CYLINDER DZH-50-100-PPV-?A

SMC 32MM BORE 30MM STROKE 0.7MPA PRECISION CYLINDER, MTS32-W2316-30

BIMBA SS PNEUMATIC CYLINDER 094-NRP

FESTO PNEUMATIC STANDARD CYLINDER DNG-100-25-PPV-?A NNB

SCHROEDER FILTER KW NIB

SMC PRESISION AIR PRESSURE REGULATOR AR20-01B

FESTO DZH-40-PPV-A CYLINDER REPLACEMENT PARTS NIB

WHITEY 200PSI SPRING RETURN W/ VALVE 133 SR

MAC AIR VALVE 56C-52-RA *MANUFACTURER REFURBISHED*

FESTO 63MM BORE 725MM STROKE PNEUMATIC CYLINDER, DGP-63-725-PPV-?A-B