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 事實(shí)上，PLC已廣泛運(yùn)用于工業(yè)出產(chǎn)的各個(gè)范疇。從職業(yè)看，冶金、機(jī)械、化工、輕工、食物、建材等等，簡直沒有不必到它的。不只工業(yè)出產(chǎn)用它，一些非工業(yè)進(jìn)程，如樓宇自動(dòng)化、電梯操控也用到它。農(nóng)業(yè)的大棚環(huán)境參數(shù)調(diào)控，水利灌溉也用到它。
     PLC能有上述幾個(gè)規(guī)劃廣泛的運(yùn)用，是PLC自身特色決定的，也是PLC技能不斷完善的成果。
在PLC體系規(guī)劃時(shí)，首要應(yīng)斷定操控計(jì)劃，下一步作業(yè)即是PLC工程規(guī)劃選型。工藝流程的特色和運(yùn)用請求是規(guī)劃選型的首要依據(jù)。PLC及有關(guān)設(shè)備應(yīng)是集成的、標(biāo)準(zhǔn)的，依照易于與工業(yè)操控體系構(gòu)成一個(gè)全體，易于擴(kuò)大其功用的準(zhǔn)則選型所選用PLC應(yīng)是在有關(guān)工業(yè)范疇有投運(yùn)成績、成熟牢靠的體系，PLC的體系硬件、軟件裝備及功用應(yīng)與設(shè)備規(guī)劃和操控請求相習(xí)慣。了解可編程序操控器、功用表圖及有關(guān)的編程言語有利于縮短編程時(shí)刻，因此，工程規(guī)劃選型和預(yù)算時(shí)，應(yīng)詳細(xì)剖析工藝進(jìn)程的特色、操控請求，明確操控使命和規(guī)劃斷定所需的操作和動(dòng)作，然后依據(jù)操控請求，預(yù)算輸入輸出點(diǎn)數(shù)、所需存儲器容量、斷定PLC的功用、外部設(shè)備特性等，終究挑選有較高功用報(bào)價(jià)比的PLC和規(guī)劃相應(yīng)的操控體系。
    一、輸入輸出（I/O）點(diǎn)數(shù)的預(yù)算 
    I/O點(diǎn)數(shù)預(yù)算時(shí)應(yīng)思考恰當(dāng)?shù)挠嗔?，通常依?jù)統(tǒng)計(jì)的輸入輸出點(diǎn)數(shù)，再添加10%～20%的可拓展 
    余量后，作為輸入輸出點(diǎn)數(shù)預(yù)算數(shù)據(jù)。實(shí)踐訂購時(shí)，還需依據(jù)制作廠商PLC的商品特色，對輸入輸出點(diǎn)數(shù)進(jìn)行圓整。

KEBA AR-181
KEBA CU312/E
KEBA CU313
KEBA CU313
KEBA CU313A
KEBA DI325
KEBA DI325
KEBA DI325
KEBA DO321
KEBA DO321
KEBA DO321
KEBA DO321/B
KEBA EC100S
KEBA PS244
KEBA SI232
KEBA TT 081  02203-7614
KENSINGTON WFH4C
KEPCO 4882-27
KEPCO BOP20-20M
KEYENCE ML-P2
KIDDE FENWAL 12-E27121-020-05
KNIEL CP15.6311-052-02
KOGANEI CS4HB
MOTOROLA MVME5100
MOTOROLA MVME5500
MOTOROLA MVME712/M
MOTOROLA MVME712M
MOTOROLA TMCP700 W33378F
MOTOROLA XVME-674
MOTOROLA XVME-957
MOTOROLA MVME147-013
MOTOROLA MVME162PA-344E
MOX MX603-0308-613
M-SYSTEM MD2202-D32-X-P
MTL 2213
MYKROLIS FC-280SAV
NACHI BUY222
NAICH AUX111
NATIONAL INSTRUMENTS SCXI-1163R
NATIONALA MM-4M-R
Natural?MicroSystems?NMS CG6500C 8E1/8T1 背板
NEC 136-551733-B-02
NEC 136-551735-D-04
NEC 136-551973-A-01   1月26日
NEC 136-553623-A-01
NEC FC  9821X
NEC FC-9821X
NEC G8NXAA5G
NEC NEC風(fēng)扇
NEC PC-9821XB10
NEC PU-S24
NEC RSA-983/D
NEC SC-UPCIN-3
NI PCI-6031E
NI SCXI-1100
NI SCXI-1100
NI SCXI-1126
NIKON KBA-00650 4S007-320-A LC-SIG4
NMB-MAT 2410ML-05W-B50
NMS CG6060/32-4TE1
NOVELLUS 02-113640-00
OBERG INDUSTRIES F-DMDM-PM-110E
OKUMA ER-FC-2048D
OLEC 64VB412V02
OLYMPUS OTV-S7H-NA-12E
OMRON C200HG PA204S
OMRON C200H-ID217
OMRON C200H-OD219
OMRON C200HW-BC031
OMRON C200HW-NC113
OMRON E2G-M18KN10-WS-C1 2M
OMRON F350
OMRON F350-CEOV2
OMRON H3CR-A8E
OMRON HL-5000
OMRON HL-5030
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ONLINE 56SAM-NEX
OPTIMATE OM1510
OPTIMATE OP-620
OPTO 22 SNAP-AITM-2
OPTO 22 SNAP-IDC5D
OTHER/其他 白棉
oxboro E69F-BI2-MS
OXIDE 0020-31655
PACFFFC PC832-001-T
PACIFIC SCIENTIFIC PC832-001-N
PACIFIC SCIENTIFIC T60-1001-C8-1A
PALCLEAN JD-BXG
PAPST TYP7114N/2
PARKER XPR10VT-4P3
PCCOOLER/超頻三 CPU風(fēng)扇
PELCO PA30-0065-00-A1
PHILIPS PR1613
PHOENIX FLMC10BASE-T/FO G850
PHOENIX HDFK4
PHOENIX IBS 24BK-I/O-T
PHOENIX PLC-BSC-24DC/21
PHOENIX QUINT PS-100-240AC/24DC/10
PHOENIX QUINT-PS-100-240AC/10
PHOENIX QUINT-PS-100-240AC/24DC/10
PHOENIX ST-SI-UK4
PHOENIX ST-SI-UK4
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PHOENIX UK4-T
PHOENIX UK6N
PHOENIX UT 4-HE SI
PHOENIX UT 4-MTD
PHOENIX UT 6-HE SI
PHOENIX IBS PCI SC/I-T
PILLAR INDUSTRIES AB7006-1
PILZ P1U-1NB
PILZ PZE3 V22 24VDC
PIONEER MAGNETICS PM1253AL-6-3-Z03
POLYSPEDE PRD2-200
POTTER&BRUMFIELD SDAS-01-7Y2S1024
POWER-ONE MAP55-1024
PROSOFT 1454-9F
PROSOFT 5601-RIO-MCM
Prosoft MVI56E-MCMR
PROSOFT MVI56-GSC
PROSOFT MVI69-PDPMV1
PROTECH SYSTEMS PBI-6SA
PRT PSA300R-81
PRT PSA300R-PFC
RADISYS EPC-16
RADISYS EPC-5 w/ EXM-13
RADISYS EXP-MX200
RELIANCE 0-51378-25
RELIANCE 0-56966-2
RELIANCE 0-57510
RELIANCE 0-57C400-A
RELIANCE 0-57C401-2
RELIANCE 0-57C402-C
RELIANCE 0-57C404-1E
RELIANCE 0-57C405-C
RELIANCE 0-57C406-E
RELIANCE 0-57C407-4H
RELIANCE 0-57C408-B
RELIANCE 0-57C411-2
RELIANCE 0-60002-6
RELIANCE 0-60010-E
RELIANCE 0-60031-5
RELIANCE 45C220B
RELIANCE 57C404C
RELIANCE 57C404C
RELIANCE 57C435
RELIANCE 803.65.00 BOARD
RELIANCE 805405-1R
RELIANCE DSA-MTR-600
RELIANCE E243
RELIANCE E372-013-404
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RELIANCE H2310240032X512
RELIANCE S240-1A8
RELIANCE ELECTRIC 57C431
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RELIANCE ELECTRIC WR-D4004
REXROTH 0608 801 006
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REXROTH 608720040
REXROTH 608720040
REXROTH 608800048