1746-OB8

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描述

1746-OB8

系統(tǒng)采用RS-485進(jìn)行網(wǎng)絡(luò)通訊，RS-485是一般工業(yè)控制所經(jīng)常采用的網(wǎng)絡(luò)通訊方式。它具有能夠?qū)崿F(xiàn)多機(jī)通訊（RS-485驅(qū)動(dòng)器最多可接32個(gè)從站），通訊距離長(zhǎng)，抗干擾能力強(qiáng)等特點(diǎn)。臺(tái)達(dá)DVP32ES00R主機(jī)具有RS-485通訊口，而臺(tái)達(dá)VFD變頻器也都有RS-485通訊口，并且提供了專用驅(qū)動(dòng)指令。我們以PLC為主機(jī)，兩個(gè)變頻器為從機(jī)組成RS-485控制網(wǎng)絡(luò)。每個(gè)從站被賦與唯一的本機(jī)地址。通訊采用主機(jī)輪詢，從機(jī)應(yīng)答的通訊方式，主機(jī)發(fā)出的信息可以被各從機(jī)接收，從機(jī)只能發(fā)出應(yīng)答信息，從機(jī)間不能通信。從機(jī)接收到數(shù)據(jù)后，判斷地址是否和本機(jī)地址相同，若相同則對(duì)數(shù)據(jù)進(jìn)行處理后應(yīng)答，若不同則不予理睬。通過通訊主要是控制給棉電機(jī)和引紗電機(jī)的起停和工作頻率的修改，工作頻率初值是PLC根據(jù)設(shè)定的細(xì)紗號(hào)數(shù)和棉條號(hào)數(shù)計(jì)算得出。在機(jī)器運(yùn)轉(zhuǎn)中，通過速度傳感器檢測(cè)，PLC進(jìn)行計(jì)算比較，微調(diào)工作頻率，使機(jī)器運(yùn)轉(zhuǎn)精度提高。其中需要注意的是在使用通訊進(jìn)行控制變頻器的起停一定注意程序的邏輯順序，不然將會(huì)引起動(dòng)作的混亂而不能達(dá)到預(yù)期的效果。


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保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
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優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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01K7365 Bulk Lot of 20 pcs 5GB 256 MB 256MB 50ns RAM

Barr PRNT370 Adapter ISA Rev4

Promptus PC100900 PC 100900 ISA Card LNY-DHSD-366-IS?A

Promptus PC 100700-3 PC100700-3 ISA Card

Wandel & Goltermann DominoWAN I/F Mod BN 9314/90.12 T1

SCSI Hard Drive IBM DDRS-34560 22L0221 F21933 21L9798

SCSI Hard Drive Seagate ST1480N 940002-031 0-04-9229-4

SCSI Hard Drive Quantum Viking II 4.5W PX04W011 R 02-E

IBM Hard Disk Drive SCSI DNES-309170 9.1 GB 25L1861

ZNYX ZX346Q Digital AA-U52200 001 PCI Quad Network Card

ZNYX ZX346Q 21143-PD PCI Quad Network Card 1999

Natural Data NDI-FBX-3L PCI Fax Card

Vis A Vis Communications Vodavi ISA Codec ISDN 03004848

Paradyne Acculink Premisys WAN Dual SS 259-5001-111

Automed AR I/O Board 222101 8-bit ISA IBM PC/XT/AT 1993

Interphase SlotOptimizer 554E PCI Quad 10/100 Ethernet

Vis A Vis Communications Vodavi ISA Codec ISDN 03004828

Vis A Vis Communications Vodavi ISA Codec ISDN 03004827

MFM Hard Drive Seagate ST-4038 ST4038 Vintage MLC 0

Apple II IIe ADALAB ADA-LAB DAQ Data Acquisition Card

486 Motherboard PCI ISA VLB 486-VIP-IO VIA Socket3 IDE

I-Bus Tigershark 105-00596-00 Socket7 SBC Motherboard

Bitfield OY Video Conferencing ISA Card H.26 LR9H269401

Calcomp TechJet 5500 – Power Supply QH3-3232 SHIHEN

HD SCSI Quantum 1280S FB12S012 Rev 01-A 1280 Q Apple

Criterion ALG2201.OF ISA VGA SVGA Video Card V24GA 1MB

TEAC SCSI Floppy Drive 50pin FD-235HS1111-U 19308111-11

Video7 Arrow Video 7 Card 8bit ISA IBM XT Video Seven

Panasonic Matshita LF-7300 1.4GB Optical WORM Drive PCR

Texas Instruments TI XDS560 Emulator PCI Interface Card

Sciemetric PCI Interface Card Model 808 w Data Engine

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53-000387-01 53-000409-01 ISA Video Card EM7000 EM7010A

486 Motherboard 199125-001 486 PROSIGNIA EISA SBC SCSI

9-Track 9track Tape Controller ISA Card CHI PCTD-II

Digiboard Digi Multi PCI Board 701000-00 RS-422 RS-485

Digiboard Digi ISA Card DBI PC/8 30000354 RevA First 1

6-port MultiPort Serial ISA Card 4029 ST16C552 RS-232

ARCNET Hub 4-Port ISA ARCTAP-A M/C8837H 71-0961-002 NIC

ARCNET Hub SMC 4-Port 710.140 8-bit ISA PC/ XT/AT

Pure Data PDI508 Plus ARCNET 8-bit ISA PC/ XT/AT

Network Card 03-0033-D00 3031 8-bit ISA PC/ XT 18.867

Hard Drive SCSI Quantum VP31080 QM31080SN-S RevB

SCSI Hard Drive Quantum VP32170W QM32170SN-SWAD RevA

Motherboard Socket7 Vtech/PcPartner MB500N 35-8212-32

Motherboard Socket7 Gigabyte GA586VX Rev3.33 430VX 3ISA

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LI-020 ARCnet 8-bit ISA IBM PC/XT/AT UM9065L TC3068A

Equinox Megaport 8CS 910168/A 8-port Serial ISA Card RJ

Motherboard 486 486VL ISA Micro Industries Centigram

Caliper CP-60B CP60B QIC QIC36 QIC-36 SCSI Tape Drive

SCSI Hard Disk Quantum Fireball SE SE32S012 Rev 01-B

SCSI Hard Disk Quantum Fireball SE SE32S011 Rev 01-B

Teknor TEK-CPCI 1003 SBC Pentium

Ramix PMC663 PMC Dual 100/10 Ethernet Card 700462

HDD Disk Quantum VP31110 CL11S101-03-G-C HP A2084-60013

SCSI Hard Disk ST32430N Seagate Hawk 9B1001-078 DELL

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PPC/PMC-8260/DS?1-H110 PowerQUICC II MPC8260 DS/1 Force

SCSI Hard Disk IBM DDRS-39130 22L0211 LVD/SE E182115

SCSI Hard Disk 50-pin Conner CFP1080S GTS03 8AS046

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Lucent T8100 CPCI Eval Board RevB Ambassador M-T-8105

486 Motherboard MiniEISA-486AS EISA DX4-100 32 MB 256K

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SCSI Controller Card IBM PC/XT 8-bit ISA Procom CC-8

ATI Rage128 PCI Card 109-57400-00 600-7055-A 820-1012-A

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Sealevel SeaLink REL-16 8-bit ISA Relay Control 3095A

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Intellistation Motherboard 01K4345 713527-601 28L497

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Hard Drive SCSI Disk IBM DNES-309170 E182115 S 25L1910

Hard Drive SCSI Disk Seagate Hawk ST31230N 9B1003-067

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Motherboard Athlon ASUS A7V-E v1.01 Socket 462 Duron800

Motherboard Athlon Skt 754 ASUS K8V-MX 3.01G KBV 2800

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Hard Drive SCSI Seagate ST336607LC Sun 540-5936-01 36GB

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Racal Interlan NI5210-10BT 625-1121-00 Ethernet Card

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選擇深圳長(zhǎng)欣，選擇放心，售后無憂大量現(xiàn)貨，當(dāng)天順豐發(fā)貨！
主營：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(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)起來也就簡(jiǎn)單了。

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