6SL3040-0MA00-0AA1

分類(lèi):
選擇深圳長(zhǎng)欣,選擇放心,售后無(wú)憂(yōu)
大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
了解產(chǎn)品更多詳細(xì)信息或購(gòu)買(mǎi)請(qǐng)撥打以下電話(huà)咨詢(xún):
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聯(lián)系人:白工

電話(huà):18150087953 / 18005022138

Whatsapp/Wechat:+8618150087953 / +8618005022138

Email:sales@cxplcmro.com

描述

6SL3040-0MA00-0AA1

軟件措施:
? ? 有極強(qiáng)的自檢及保護(hù)功能。
? ? ①故障檢測(cè)——軟件定期地檢測(cè)外界環(huán)境,如掉電、欠電壓、鋰電池電壓過(guò)低及強(qiáng)干擾信號(hào)等。以便及時(shí)進(jìn)行處理。
? ? ②信息保護(hù)與恢復(fù)——當(dāng)偶發(fā)性故障條件出現(xiàn)時(shí),不破壞PLC內(nèi)部的信息。一旦故障條件消失,就可恢復(fù)正常,繼續(xù)原來(lái)的程序工作。所以,PLC在檢測(cè)到故障條件時(shí),立即把現(xiàn)狀態(tài)存入存儲(chǔ)器,軟件配合對(duì)存儲(chǔ)器進(jìn)行封閉,禁止對(duì)存儲(chǔ)器的任何操作,以防存儲(chǔ)信息被沖掉。
? ? ③設(shè)置警戒時(shí)鐘WDT(看門(mén)狗)——如果程序每循環(huán)執(zhí)行時(shí)間超過(guò)了WDT規(guī)定的時(shí)間,預(yù)示了程序進(jìn)入死循環(huán),立即報(bào)警。
? ? ④加強(qiáng)對(duì)程序的檢查和校驗(yàn)——一旦程序有錯(cuò),立即報(bào)警,并停止執(zhí)行。
? ? ⑤對(duì)程序及動(dòng)態(tài)數(shù)據(jù)進(jìn)行電池后備——停電后,利用后備電池供電,有關(guān)狀態(tài)及信息就不會(huì)丟失。
? ? PLC的出廠試驗(yàn)項(xiàng)目中,有一項(xiàng)就是抗干擾試驗(yàn)。它要求能承受幅值為1000V,上升時(shí)間1nS,脈沖寬度為1μS的干擾脈沖。一般,平均故障間隔時(shí)間可達(dá)幾十萬(wàn)~上千萬(wàn)小時(shí);制成系統(tǒng)亦可達(dá)4~5萬(wàn)小時(shí)甚至更長(zhǎng)時(shí)間。

產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢(shì)價(jià)格,大量現(xiàn)貨。

主營(yíng)DCS系統(tǒng)配件
機(jī)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(mén)子,摩托羅拉,安川。力士樂(lè)。ACSO,橫河等進(jìn)口品牌。 專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
? 專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家

Siemens Simatic S5 6ES5945-7UA13 6ES5 945-7UA13

INDRAMAT HDS03.2-W075N-H?S12-01-FW DSS02.1M DAG01.2 etc.

Rexroth Indramat MAC112D-ED-1B/1?30-A-1/-100625

Siemens Simatic S5 6ES5 955-3LC14 E:13 6ES5 135-3UA11

SIEMENS Simovert 6SE7018-0EA61 Frequenzumricht?er

Seifert KG-4272 Schaltschrankkü?hlger?t Kühlger?t

INDRAMAT MAC115A-0-FS-3-?C/18-R-1 Servomotor

INDRAMAT MAC117D-0-FS-4-?C/130-L-1/WI522?LV Servomotor

Siemens 6ES5947-3UA22 6ES5 947-3UA22

Siemens Simatic S5 6ES5281-4UA12 6ES5 281-4UA12

Siemens Micromaster 6SE9221-0DC40 6SE9 221-0DC40

Siemens Motorsteuerger??t 3RW2235-0DB15 3RW2 235-0DB15

Siemens Simatic S5 6ES5924-3SA12 6ES5 924-3SA12

SIEMENS Simatic S5 6ES5945-7UA13 6ES5 945-7UA13

SIEMENS Servomotor 1FK7083-5AH71-1?EH2

DEMAG Motor KBF90A12/2 KBF 90 A 12/2

SIEMENS Servomotor 1FT5074-0AF71-1?-Z +Getriebe SP 140-M

Siemens 1FT5066-0AC01-1?-Z 1FT5 066-0AC01-1-Z Servomotor

Simatic S5 6ES5526-3LF11 mit 6ES5373-0AA81

SSB GMXTF-0621.4022?4.00-B5

SEW MOVIDRIVE MDS60A0015-5A3-?4-00 Nr. 8264988

SIEMENS Servomotor 1FT6102-8AC71-4?AH2

AMT Einbauschrauber CSB217E AW2150 MEDW140-1

SIEMENS SITOR (B6) C500/675-250F-3?21 6QG 3215-4EA00

SIEMENS SITOR (B6) C400/540-250F-3?21 6QG 3215-2EA00

Siemens Simodrive 6SN1118-0NK00-0?AA0 6SN1 118-0NK00-0AA

SEW MOVIDRIVE MCF40A0110-5A3-?400 MDx60A0110-5A3-?4-00

SEW MOVIDRIVE MCF40A0110-5A3-?400 MDx60A0110-5A3-?4-00

REXROTH INDRAMAT MAC112D-1-ED-2-?C/130-A-0 Servomotor

SIMATIC S7 6ES7671-0EC02-0?YA0 6ES7 671-0EC02-0YA

Siemens WF705 6FM1705-3AA00 6FM1 705-3AA00

Siemens SIROTEC 6FR1330-0DA 3X 6FX1120 2X 6FX1122

SIEMENS 6ES5135-3KA13 6ES5955-3LC12 6ES5 955-3LC12 Rack

INDRAMAT HDS03.2-W075N-H?S12-01-FW DSS02.1M DAG01.2 etc.

Schmalenberger Pumpe ZHT 7 32-13 Eintauch Kühlmit.Pumpe

AMT Einbauschrauber CSB 105E A1 250 MEDW50-1

Schmalenberger Pumpe ZHT 8 32-13 Eintauch Kühlmit.Pumpe

SIEMENS 1HC5134-0EC40-6?VU1-Z 1HC51340EC40-6V?U1-Z

Siemens Simatic S5 6ES5 955-3LC14 E:5 + 6ES5 135-3KB13

Siemens Simatic S5 6ES5 955-3LC13 E:10 + 6ES5 135-3KA13

Baumüller DSOG 71-S Servomotor

INDRAMAT MAC112B-3-PD-2-?C/130-B-0 Servomotor

INDRAMAT HDS03.2-W075N-H?S12-01-FW DSS02.1M HSM01.1-FW

SIEMENS Servomotor 1FT5064-0AF71-1?-Z +Heidenhain Drehgb

Siemens Simodrive 6SC6110-0GA01 6SC 6110-0GA01 boxed

Siemens Simatic S5 6ES5 955-3LC14 E:13 6ES5 183-3UA12

SIEMENS Simatic S5 6ES5 955-3LC41 + 6ES5 188-3UA11

Indramat TFM 3.1-030-300-W1-?220 Frequenzumricht?er

Siemens Simatic 6EV3053-0CC00 6EV 3053-0CC00 Netzger?t

Siemens Simatic S5 6ES5 955-3L12 E:7 + 6ES5 135-3KA13

Siemens Simatic S5 6ES5 955-3LC14 E:12 6ES5 183-3UA12

Siemens Simatic S5 6ES5 955-3LC13 E:8 + 6ES5 135-3KA13

SEW MOVIDRIVE MDS60A0015-5A3-?4-00 Nr. 8264988

Siemens 6FM1470-3BA25 6FM1 470-3BA25 (versiegelt)

SIEMENS OP20/240-8 6AV3520-1EL00 6AV3 520-1EL00

AMT Winkelschrauber HCS105AW1138MR5?0AH1400

Allen Bradley SLC 500 1746 1747 Rack

SIMATIC S5 6ES5921-1AA21 6ES5 921-1AA21 6ES59211AA21

SIEMENS SINUMERIK 6EV3055-0DC 6EV3 055-0DC Power Supply

Siemens Simovert 6SE7021-0TA31 6SE 7021-0TA31

KSB Amaprop V 42 – 2500 / 44 URG

SICK PLS101-312 PLS 101 312

Danfoss VLT 6000 HVAC VLT6052HT4C20ST?R3DLF00A00C0

Siemens Simatic S7 6ES7314-5AE10-0?AB0 6ES7 314-5AE10-0A

BOSCH SDB6.480.020.15?.00 SDB 6.480.020.15.00

KOLLMORGEN SEIDEL Servomotor MH-627-B43-B3

Kollmorgen Seidel Servomotor BH-626-E-99-251 BH626-E-9

Rexroth Indramat MKD071B-061-KP0?-KN

Rexroth Indramat MKD041B-144-KG0?-KN

BOSCH Servodyn VM60 -T 1070077371-105 VM 60-T

SIEMENS 6FC5357-0BB22-0?AE0 6FC5 357-0BB22-0AE0

KEB Antriebstechnik F4 14F4C1E-3440/1.?4 11 kVA

SIEMENS SIMATIC S5 6ES5921-3WA13 6ES5 921-3WA13 CPU

SIEMENS WF 470 A/SW 6FM1470-4AA25 6FM 1470-4AA25

PARKER RN14MC-M-11-00 Hydraulikzylind?er NG 03073-01/SBD

Fanuc 20S A06B-0502-B033 A06B0502B033

SSB GMXTF-0616.4022?4.00-B5

SIEMENS SITOR (B6) C400/540-200F-3?21 6QG 3214-2EA00

SIEMENS SITOR (B6) C500/675-400F-3?21 6QG 3216-4EA00

Siemens Simatic S5 6ES5260-4UA11 6ES5 260-4UA11

INDRAMAT DDS02.2-W015-B DDS 02.2-W015 DDS02.2W015

Siemens Simatic S5 6ES5243-1AA12 6ES5 243-1AA12

LENZE MDFKARS080-22 Servomotor 0587534

Philips Vision Processor Legato

Siemens 6AV4012-0AA10-0?AB0 6AV4 012-0AA10-0AB0

Siemens Simatic S5 955-3LC14 + 6ES5 135-3UA21

LS LEROY SOMER SE43401100 Frequenzumricht?er 11kW

Siemens Simatic S5 6ES5241-1AA11 6ES5 241-1AA11

Siemens Simovert 6SE7016-1EA61-Z 6ES7 016-1EA61-Z E:A

Siemens 1FT5044-0AC01-1?-Z 1FT50 44-0AC01-1-Z

FANUC VELOCITY A06B-6050-H104 Control Unit A06B6050H104

Siemens Simatic S5 6ES5943-7UB11 6ES5 943-7UB11 CPU

Siemens 6SE6400-3CC03-5?CB3 6SE6 400-3CC03-5CB3

SIEMENS Sirotec Sinumerik Bedientafel 420 6FR1420-2SE

SIEMENS SIMODRIVE 6SC6100-0NA21 6SC 6100-0NA21

Siemens Simatic S5 6ES5 955-3LC14 E:9 + 6ES5 135-3KA13

Vergr??ern
INDRAMAT Power Supply TVD 1.2-08-03 TVD1.2-08-03

Siemens SIROTEC 6FR1440-2TA 6FR 1440-2TA Bedienfeld440

Telemecanique Altivar 5 Serie 45 2 ATV452VD37

Siemens Simatic S5 6ES5470-4UC13 6ES5 470-4UC13

Siemens Simatic S5 6ES5470-4UB13 6ES5 470-4UB13

BAUMüLLER Stromrichter BKD6/050/460-60?4000000 303087

BAUMüLLER Stromrichter BKD6/200/460-60?4000000 241067

Sick C20S-090103A12 C20E-090303A12 Lichtgitter

Siemens Simoreg C98043-A7002-L4 Platine

SIEMENS Simatic S5 6ES5-955-3LF12 + 6ES5 135-3UA12

SIEMENS Simatic S5 6ES5 955-3LC41 + 6ES5 188-3UA12

SIEMENS Simovert 6SE7023-8TD51-Z 6SE 7023-8TD51-Z

Siemens Simatic S5 6ES5943-7UB11 6ES5 943-7UB11 CPU

Siemens Simatic S5 6ES5943-7UB11 6ES5 943-7UB11 CPU

SIEMENS SIMODRIVE 6SC6100-0GA11 6SC 6100-0GA11

Simatic S5 6GK1143-0AB00 6GK 1143-0AB00

Parker Hydraulik Pumpe PVS 16 EH140C2 Flügelzellenpum

Siemens Simatic S5 6ES5943-7UB11 6ES5 943-7UB11 CPU

Danfoss VLT5000 VLT 5000

SIEMENS Simatic 6FM1721-3AA20 6FM 1721-3AA20

RITTAL SK 3210100 Schaltschrank-K?ühlger?t -NEU-

Siemens Simoreg 6DM1001-0WB00-2 6DM1 001-0WB00-2

Vergr??ern
Rexroth Indramat MKD041B-144-KG0?-KN MKD041B144KG0KN

SIEMENS Servomotor 1FT5074-0AF01-1?-Z

Siemens Simatic S5 6ES5 955-3LC13 E:6 + 6ES5 135-3KA13

SIEMENS Servomotor 1FT5074-0AF71-1?-Z +Heidenhain Drehgb

SIEMENS Servomotor FT5106-0AA71-1-?Z FT51060AA71-1-Z

Siemens Simatic S5 6ES5943-7UB11 6ES5 943-7UB11 CPU

Siemens s7 OP 6ES7647-0BC10-0?AX0 6ES7 647-0BC10-0AX0

Siemens Simatic S5 6ES5 955-3LF12 6ES5955-3LF12 E:10

Mischer-Ventil Kieback&Peter RGD 15/04 F200 RGD15/0,4F2

SIEMENS Servomotor 1FT6084-8AC717T?H0-Z 1FT60848AC717TH?0

SIEMENS Servomotor 1PA6103-4HF02-0?BB9 1PA61034HF02-0B?B

SIEMENS SIMATIC 6ES7431-7KF10-0?AB0 6ES7 431-7KF10-0AB0

Siemens Simatic S5 6ES5451-5AA12 6ES5 451-5AA12

Siemens Simatic S5 6ES5900-7AA11 6ES5 900-7AA11

SIEMENS Anschaltung 6ES5256-3AB11 6ES5 256-3AB11

SIEMENS SIMOREG E150/15 6RA2113-6BK26-0 6 RA 2113-6BK2

SIEMENS SIMOREG D460/57 6 RA 2224-6DS22-0 Mre-GdE6S22

Siemens Perm. Mag. Motor 1HU3056-0AC01-Z 1HU30560AC01Z

PHOENIX IBS S5 DSC/I-T IBSS5 DSC/I-T IBSS5DSC/I-T

Loher Dynavert 2T2A-03400-007 16 kVA Frequenzumricht?er

BOSCH Servomotor SE-C4.170.030-0?0.000

Telemecanique XBT-C825002 Terminal Bedienkonsole Panel

SIEMENS 6ES5188-3UA12 6ES5955-3LC14 6ES5 955-3LC14 Rack

AEG KPE 141-1 6355-042.703 946 ETHERN. Controller

Siemens Simatic S5 6ES5340-3KA11 6ES5 340-3KA11

Siemens Simatic S5 6ES5525-3UA11 6ES5 525-3UA11

Siemens Simatic S5 6ES5921-3UA11 6ES5 921-3UA11

Siemens 6FM2805-4AS31 6FM 2805-4AS31

BBC Veriton TWK-S 11 TWKS11

SIEMENS SIMATIC S5 6ES5950-1AB61 6ES5 950-1AB61

SR 6000 ST GS-R405/2 Morocco C9941

Danfoss VLT5004 PT5B20STR3DLF00?A00C0 175Z0052

Danfoss VLT5006 PT5B20STR3DLF10?A00C0 175Z0563

Ferrocontrol BMR190C6-130S BMR190C6 130S

Indramat MAC090B-0-ND-3-?C/110-A-0

Siemens Simatic S5 6ES5943-7UB11 6ES5 943-7UB11 CPU

Siemens Servomotor 1FT6064-6AF71-3?FG0

AMT PME 33 PME33

AMT PME 30 PME30

Simatic S5 6ES5101-8UA13 6ES5 101-8UA13 E-STAND 04

SIEMENS 6ES5135-3KB12 6ES5955-3LC13 6ES5 955-3LC13 Rack

SEW EURODRIVE MOVITRAC 307A 8255741

Rexroth Indramat DKC 03.2-100-7-FW DKC03.2-100-7-F?W

SEW-Eurodrive KHZ 87/R CM90S/BR/TF/AS1?HKK Getriebemotor

Siemens Simatic S5 6ES5101-8UA13 6ES5 101-8UA13

Siemens Simoreg 6DM1001-0WB00-2 6DM1 001-0WB00-2

Getriebe Bleichert 082660 08 26 60

Kollmorgen Seidel digifas 7204-LINK Servoverst?rker

Kollmorgen Seidel digifas 7204 Digital. Servoverst?rker

Kollmorgen Seidel digifas 7202 Digital. Servoverst?rker

Siemens, Frequenzumricht?er MIDIMASTER ECO 6SE9523-7DH50

SIEMENS SITOR (B6) C400/540-250F-3?21 6QG 3215-2EA00

LINCOLN Hochdruck Zentralschmierp?umpe ZPU 01/02

SIEMENS Sinec CP2430 6GK1243-0SA10 6GK1 243-0SA10

Lenze 8303 Frequenzumricht?er Typ 8303_E.1L.23

RITTAL SK 3383100 Schaltschrank – Kühlger?t -NEU-

Siemens S5 PG 6851 I 6ES5685-0AU12 6ES5 685-0AU12

VICKERS EEA-PAM-581-D-3?2 Verst?rker Amplifier

Siemens SIMATIC WF470 6FM1470-3BA20 6FM 1470-3BA20

Siemens Simatic S5 6ES5313-3AA12 6ES5 313-3AA12

Siemens Micromaster Vector 6SE3214-0DA40 6SE3 214-0DA40

SIEMENS 6ES5135-3UA11 6ES5955-3LC14 6ES5 955-3LC14 Rack

SIEMENS 6ES5184-3UA11 6ES5988-3LA11 6ES5 988-3LA11 Rack

BBC Servomotor QK140-5R1100 Permanent Magnet Motor

Siemens Simodrive 6SN1118-0NJ00-0?AA0 6SN1 118-0NJ00-0AA

Siemens Simatic S5 6ES5453-6AA11 6ES5 453-6AA11

SIEMENS Power Supply 6ES5955-3LC12 6ES5 955-3LC12

SIEMENS Servomotor 1PH6103-4HH56-Z

Kulka Servomotor 1FK6081-6AF71-1?ZZ9-Z S47

SIEMENS Simodrive Rack 6SC6101-3B-Z 6SC6 101-3B-Z

Baldor BSM100N-2150AA S4P100W056G1

Kulka 1FK6081-6AZ91-1?ZZ9-Z S40

Siemens Simatic S7 6ES7412-2XG00-0?AB0

Siemens Simatic S5 6ES5947-3UA22 6ES5947-3UA22

DANFOSS Frequenzumricht?er VLT5011 VLT 5011

SIEMENS Simodrive Rack 6SC6101-2B-Z inkl. 6SC6100-0GA12

BOSCH MODUL OSA DC INTERFACE DC10_2/MK DC102/MK

ENDRESS HAUSER PROMASS M 63M08 Flow Measuring System

Siemens Signalbaugruppe 6DS1916-8AA 6DS1 916-8AA E:2

Siemens Simatic S5 6ES5 955-3LF12 6ES5955-3LF12 E:9

SIEMENS Servomotor 1FT5132-OSF71-1?-Z 1FT 5132-OSF71-1-Z

SIEMENS SITOR 6QG1313-3AK02 6QG1 313-3AK02

Siemens Simatic S5 6ES5 950-3AA11 6ES5950-3AA11 E:3

SIEMENS SITOR 6QG1312-3AK02 6QG1 312-3AK02

SIEMENS SINEC 6GK1543-0AA02 6GK1 543-0AA02

OMRON F150-C15E-2 Controller & F10-KP Console

Siemens 1FT6061-6AH71-4?EG1 1FT60 61-6AH71-4EG1

Siemens Servomotor 1HU3056-0AC01-Z

Telemecanique Altivar 5 Serie 45 2 ATV452VD22

SIMATIC S5 6ES5470-7LC11 6ES5 470-7LC11

SIEMENS VIPA SSM-BG41 S5 Schnittstellenb?augruppe

SIEMENS SIMODRIVE 6SC6140-OFF00 6SC6 140-OFF00

Simatic S5 6FM1661-3AB10 6FM 1661-3AB10 6FM16613AB10

Siemens Micromaster Vector 6SE3214-0DA40 6SE3 214-0DA40

Siemens 3VF4211-1BM41-0?AC2 3VF4 211-1BM41-0AC2

PHOENIX CONTACT RFC 430 ETH-IB Remote Field Controller

Siemens Servomotor 1FT5071-0AF71-1?-Z

BOSCH Rexroth Diagnosebaugrup?pe 600 PC 600

Moeller MV4-470-TA1-000 Touchpanel Operator Panel

Siemens Simatic S5 6ES5470-7LA13 6ES5 470-7LA13 E:1

AEG Schneider OPC 456 SP310 Touchpanel Operator Panel

SIEMENS SIMOREG D460/90 6 RA 2228-6DS22-0 Mre-GdE6S22

專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊

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(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家


選擇深圳長(zhǎng)欣,選擇放心,售后無(wú)憂(yōu)大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
主營(yíng):本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門(mén)子、摩托羅拉、GE發(fā)那科、安川、博世力士樂(lè),ACSO,力士樂(lè)等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點(diǎn)經(jīng)驗(yàn)。
1、先通讀一遍“系統(tǒng)手冊(cè)”(不管能不能看懂,先了解個(gè)大概,以便學(xué)習(xí)編程時(shí)查找);
2、由位控邏輯入手,逐漸增加定時(shí)、計(jì)數(shù)等條件,把或、與、非關(guān)系理順;
3、進(jìn)而練習(xí)整數(shù)運(yùn)算、實(shí)數(shù)運(yùn)算、類(lèi)型轉(zhuǎn)換;
4、量程轉(zhuǎn)換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個(gè)物理回路驗(yàn)證,比如變頻器+電機(jī)+測(cè)速傳感器);
5、循環(huán)、順序、跳轉(zhuǎn)等程序控制(盡量避免跳轉(zhuǎn),非跳不可時(shí)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(jī)器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅(qū)動(dòng)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(xué)會(huì)一種至于其它的學(xué)習(xí)起來(lái)也就簡(jiǎn)單了。