16413-15產(chǎn)品說(shuō)明:
16413-15----------------- ★ 全球速購(gòu)專(zhuān)線 ★-----------------
廈門(mén)卡庫(kù)電氣有限公司------
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PLC(Programmable LogicController)是以微處理器為基礎(chǔ),綜合了計(jì)算機(jī)技術(shù)、自動(dòng)化控制技術(shù)和通訊技術(shù)的一種工業(yè)自動(dòng)控制裝置。PLC作為新一代工業(yè)控制計(jì)算機(jī),因其具有體積小、功能強(qiáng)、通用性好、實(shí)用性強(qiáng)、硬件配套齊全、程序設(shè)計(jì)簡(jiǎn)單易學(xué)及維護(hù)方便等優(yōu)點(diǎn)而被廣泛應(yīng)用于工業(yè)領(lǐng)域。由于PLC是專(zhuān)門(mén)為工業(yè)生產(chǎn)環(huán)境而設(shè)計(jì)的控制裝置,因此一般不需要采取什么特殊措施就可以直接在工業(yè)環(huán)境使用。但如果環(huán)境過(guò)于惡劣,如強(qiáng)磁場(chǎng)、強(qiáng)腐蝕、高粉塵、強(qiáng)輻射、劇烈的沖擊和震動(dòng),都不能保證PLC正常、安全地運(yùn)行。因此,研究PLC控制系統(tǒng)的抗干擾設(shè)計(jì)具有十分重要的現(xiàn)實(shí)意義[1]。 影響PLC控制系統(tǒng)可靠性的主要因素 PLC控制系統(tǒng)的可靠性通常用平均故障間隔時(shí)間(Mean TimeBetweenFailure,簡(jiǎn)稱(chēng)WIBF)來(lái)衡量。它表示系統(tǒng)從發(fā)生故障進(jìn)行修理到下一次發(fā)生故障的時(shí)間間隔的平均值。PLC裝置本身是非??煽康?,而PLC控制系統(tǒng)的干擾主要是外部環(huán)節(jié)和硬件配置不當(dāng)引起的。一是電源側(cè)的工頻干擾,它由電源進(jìn)入PLC裝置,造成系統(tǒng)工作不正常;二是線路傳輸中的靜電或磁場(chǎng)耦合干擾,以及周?chē)哳l電源的輻射干擾,靜電耦合是通過(guò)信號(hào)線與電源線之間的寄生電容,磁場(chǎng)耦合發(fā)生在長(zhǎng)布線中線間的寄生互感上,高頻輻射是通過(guò)高頻交變磁場(chǎng)與信號(hào)間的寄生電容;三是PLC控制系統(tǒng)的接地系統(tǒng)不當(dāng)引起的干擾。因此,在實(shí)際設(shè)計(jì)中往往從以下幾個(gè)方面考慮[1]:1)對(duì)程序和數(shù)據(jù)的保護(hù);2)對(duì)工業(yè)生產(chǎn)環(huán)境的適應(yīng)性;3)故障安全原則,系統(tǒng)間獨(dú)立性原則與冗余及容錯(cuò)結(jié)構(gòu);4)運(yùn)行時(shí)的實(shí)時(shí)性和連續(xù)性。PLC控制系統(tǒng)的抗干擾設(shè)計(jì) 根據(jù)影響PLC控制系統(tǒng)可靠性的主要因素,在PLC控制系統(tǒng)開(kāi)發(fā)設(shè)計(jì)時(shí),應(yīng)該從系統(tǒng)軟件和硬件兩方面考慮,以提高PLC控制制系統(tǒng)的可靠性和抗干擾能力。而在生產(chǎn)實(shí)際應(yīng)用中,主要考慮控制系統(tǒng)的硬件抗干擾設(shè)計(jì)?! ?MZ203D機(jī)床是軸承套圈內(nèi)圓磨床,根據(jù)生產(chǎn)實(shí)際要求和多年的實(shí)踐經(jīng)驗(yàn),對(duì)該3MZ203D內(nèi)圓磨床的PLC控制系統(tǒng)硬件抗干擾設(shè)計(jì)及應(yīng)用采取了相關(guān)措施,下面對(duì)此進(jìn)行介紹。抑制電源系統(tǒng)引入的干擾 為了抑制電網(wǎng)大容量設(shè)備起停引起的電網(wǎng)電壓波動(dòng)及工頻干擾,這方面可采用隔離變壓器,并進(jìn)行濾波,所有屏蔽層進(jìn)行良好接地。如圖1所示。
安裝與布線額的抗干擾設(shè)計(jì)應(yīng)用 在大地電位變化較大的場(chǎng)所,PLC系統(tǒng)受到共模干擾,而且很容易轉(zhuǎn)變?yōu)榇8蓴_,因此控制系統(tǒng)的接地系統(tǒng)設(shè)計(jì)就尤為重要??刂葡到y(tǒng)的接地方式采用獨(dú)立接地方,如圖2所示。接地時(shí)應(yīng)注意:接地線應(yīng)盡量短且截面積應(yīng)大于2mm; 接地點(diǎn)盡量靠近控制器;接地線應(yīng)避開(kāi)強(qiáng)電回路和主回路的電線,無(wú)法避開(kāi)時(shí)應(yīng)垂直交叉;接地電阻應(yīng)小于2Ω。
ABB ROBOTICS SERVO AMPLIFIER BOARD DSQC 236G /YB560103-CD/29
ABB DSQC 210 Safety Board YB560103-AM/5
ABB DSQC 504 3HAC 5689-1/03
ABB Axis computer, part# 3HAC12815-1 DSQC 601
ABB 3HAB2205-1 DSQC 259 Robot Controller Elimination Board-
ABB Robotics I/O Module DSQC-239 DSQC239
DSQC 539, 3HAC 14265-1, ABB Power supply, ABB Robotics, ABB, ABBrobot, DSQC 539
ABB DSQC 223 / YB 560 103 BD/3 CONTROL I/O MODULEBOARD
ABB 3HAC5105-1 DSQC508 S4C+ M2000, M2000A RobotController
ABB DSQC-239 I/O BOARD REMOTE, tested, warranty
ABB DSQC-223 DIGITAL I/O BOARD FOR IRB300 ROBOT
ABB DSQC 210 YB560103-AM/4
ABB DSQC 323 3HAB5956-1 MEMORY BOARD 8MB
ABB, ABB Robot, DSQC 350, 3HNE 00025, S4C, S4C+
ABB DSQC 328 3HAB 7229-1 DIGITAL I/O MODULE BOARD
ABB, ABB Robot, DSQC 331, 3HAB 7215-1, S4C,
ABB ROBOTICS CONTROLLER MODULE, DSQC 230
ABB / E-Lux DSQC 224 Analog I/O Board 56 01-03 BE
MO-925, ABB DSQC 236G SERVO AXIS DRIVE CONTROL BOARDYB560103-CD/22
ABB 3HAB8802-1 YB560103-CE DSQC266T Robot Servo Drive Unit-
ABB DSQC532B 3HAC023447-001/01 I/O COMPUTER
ABB Robot Computer CPU Board 3HAB2241-1 DSQC 325 !! TESTED!!
ABB DSQC 346 B 3HAB8101-6 Atlas Copco Servo Drive UnitSC4
ABB YB560103-BL S3 DSQC228 SAFETY BOARD
ABB (ASEA DSQC 140) POWER SUPPLY GOOD TAKEOUT!
ABB 3HAC0373-1 Main Computer Board DSQC361 *NICE USED PULL*
ASEA BROWN BOVERI DS USPP DSQC123B
ABB CIRCUIT BOARD DSQC 110# YB161102-BA/3
ABB DSQC 211 Power Supply Adapter Board 5F5E 706364-2
ABB DSQC 236G AXIS CONTROLLER YB560103-CD (1E5-PA)
ABB DSQC 230 Robotics Control Board YB560103-BN
ABB DSQC 317 Memory Board 3HAB2220-1
ABB DSQC 327 3HAB 7230-1 AD Combi I/O Module IRB 76006600
DSQC 332, ABB, ABB Robot, S4C, 3HAB 9669-1
ABB DSQC 223 YB560103 BB/4, Remanufactured Rev: 008, No Box
ABB DSQC 539 Power Supply 3HAC14265-1 for the S4C+Controller
ABB 3HAB5956-1 DSQC 323 Robot S4 Controller, MemoryExpansion
ABB Drive unit Part# 3HAB8101-6 DSQC 346B
ABB DSQC 354 DSQC354 3HNE00065-1/06 3HNE 00065-1
ABB DSQC104 YB161102-AE/7 RESOLVER DIGITAL BOARD NEW
ABB Robot Panel Board 3HAB7215-1/03 DSQC 331 - !! TESTED !!
ABB DS AXIS CONTROLLER BOARD, tested, warranty
DSQC 323, ABB, ABB Robot, 3HAB 5956-1, DSQC, ABBRobotics,
ABB DSQC 223 Digital I/O Board YB560103BD/4
ABB DSQC 232 Display Module Control Board YB560103-BR/3
ABB DSQC 224 Analog I/O Board YB5601-03/BE
ABB 3HAB8101-8 DSQC346G Robot Servo Drive Unit
ABB, ABB Robot, DSQC 546A, 3HAB8101-18, ABB Servo, ABB
ABB Robotics Axis Board DSQC236G YB560103-CD/23
ABB, ABB Robot, DSQC 345B, 3HAB8101-2, ABB Servo, ABB
ABB Robot 3HAB8101 8/08B DSQC 346G Controller ServoDrive
ABB, ABB Robot, DSQC 545E, 3HAB8101-14, ABB Servo Drive,ABB
ABB, ABB Robot, DSQC 346U, 3HAB8101-13
ABB DSQC 500 Main Control Computer CPU 3HAC3616-1 forS4C+
ABB DSQC 112 DSQC122 CONTROL BOARD ASEA CHANNEL PCCONTROLLER
ABB 3HAC4296-1 DSQC505 Robot S4C+ M2000 ControllerComputer
ABB DSQC256A 3HAB2211-1/1, REMANUFACTURED
ABB 3HNE 00001-1/07 Ethernet Board DSQC 336
ABB 3HAA3563-APA S3 Backplane DSQC 254
ABB DSQC 243 DSQC243 SERIAL MEASUREMENT BOARD 3HAA001-CP
ABB Robot Controller Computer Back Plane 3HAB6372-1 DSQC330
ABB 3HAB5957-1 DSQC 324 16meg memory board 3HAB5957 DSQC324robot
ABB 3HAB5957-1 DSQC 324 16meg memory boardC324
ABB ROBOTICS DIGITAL I/O BOARD DSQC 223 / YB 560 103-BD
ABB Robot Drive Unit DSQC236C 3E041460
DSQC 345C, 3HAB 8101-3, ABB, ABB Robot, DSQC, ABBRobotics,
ABB 3HAC3180-1 Robot Computer Board DSQC373 *NICE USED PULL*
ABB 3HAC17970-1 DSQC328A Digital I/O Board 24VDC16in/16out
ABB DSQC223, PN:YB560103-BD/1 I/O Board
ABB 3HAC18158-1 DSQC 532A S4C+ M2000, M2000A Robot I/O
ABB Panel board unit- Part# 3HAC5687-1 DSQC 509
ABB ABB Serial measurement board; DSQC 562, Part#3HAC17396-1
ABB DSQC-223 DIGITAL I/O BOARD IRB300 ROBOT tested SN 00525
A-B,GE FANUC,施耐德,西門(mén)子,西屋
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