PLC機型選擇的基本原則是,在功能滿足要求的前提下,選擇最可靠、維護使用最方便以及性能價格比的最優(yōu)化機型。
在工藝過程比較固定、環(huán)境條件較好(維修量較?。┑膱龊?,建議選用整體式結(jié)構(gòu)的PLC;其它情況則最好選用模塊式結(jié)構(gòu)的PLC。
對于開關(guān)量控制以及以開關(guān)量控制為主、帶少量模擬量控制的工程項目中,一般其控制速度無須考慮,因此,選用帶A/D轉(zhuǎn)換、D/A轉(zhuǎn)換、加減運算、數(shù)據(jù)傳送功能的低檔機就能滿足要求。
而在控制比較復(fù)雜,控制功能要求比較高的工程項目中(如要實現(xiàn)PID運算、閉環(huán)控制、通信聯(lián)網(wǎng)等),可視控制規(guī)模及復(fù)雜程度來選用中檔或高檔機。其中高檔機主要用于大規(guī)模過程控制、全PLC的分布式控制系統(tǒng)以及整個工廠的自動化等。根據(jù)不同的應(yīng)用對象,表1列出了PLC的幾種功能選擇。
現(xiàn)在的 PLC 能夠支持多種通信協(xié)議。比如現(xiàn)在比較流行的工業(yè)以太網(wǎng)等 對通信有特殊要求的用戶
對于一個大型企業(yè)系統(tǒng),應(yīng)盡量做到機型統(tǒng)一。這樣,同一機型的PLC模塊可互為備用,便于備品備件的采購和管理;同時,其統(tǒng)一的功能及編程方法也有利于技術(shù)力量的培訓(xùn)、技術(shù)水平的提高和功能的開發(fā);此外,由于其外部設(shè)備通用,資源可以共享,因此,配以上位計算機后即可把控制各獨立系統(tǒng)的多臺PLC聯(lián)成一個多級分布式控制系統(tǒng),這樣便于相互通信,集中管理。
MCS41A0015-5A3_40T (MCS41A00155A340T)
MCS41A0040-5A3-4-00 (MCS41A00405A3400)
MCV40A0040-5A3-4-0T (MCV40A00405A340T)
MCV41A0075-5A3-4-00 (MCV41A00755A3400)
MDF60A0015-5A3-4-00 (MDF60A00155A3400)
MDF60A0022-5A3-4-00 (MDF60A00225A3400)
MDF60A0030-5A3-4-00 (MDF60A00305A3400)
MDF60A0075-5A3-4-00 (MDF60A00755A3400)
MDF60A0150-503-4-00 (MDF60Awww.519d.com)
MDS60A0015-5A3-4-00 (MDS60A00155A3400)
MDS60A0022-5A3-4-00 (MDS60A00225A3400)
MDS60A0030-5A3-4-00 (MDS60A00305A3400)
MDS60A0040-5A3-4-00 (MDS60A00405A3400)
MDS60A0055-5A3-4-00 (MDS60A00555A3400)
MDS60A0110-5A3-4-00 (MDS60A01105A3400)
MDS60A0220-503-4-00 (MDS60Awww.519d.com)
MDV60A0015-5A3-4-00 (MDV60A00155A3400)
MDV60A0022-5A3-4-00 (MDV60A00225A3400)
MDV60A0030-5A3-4-00 (MDV60A00305A3400)
MDV60A0040-5A3-4-00 (MDV60A00405A3400)
MDV60A0055-5A3-4-00 (MDV60A00555A3400)
MDV60A0075-5A3-4-00 (MDV60A00755A3400)
MDV60A0110-5A3-4-00 (MDV60A01105A3400)
MDV60A0150-503-4-00 (MDV60Awww.519d.com)
MDV60A0220-503-4-00 (MDV60Awww.519d.com)
MDV60A0300-503-4-00 (MDV60Awww.519d.com)
MDV60A0550-503-4-00 (MDV60Awww.519d.com)
MDV60A0750-503-4-00 (MDV60Awww.519d.com)
MDX61B0005-5A3-4-00 (MDX61B00055A3400)
MDX61B0014-5A3-4-0T (MDX61B00145A340T)
MDX61B0022-5A3-4-00 (MDX61B00225A3400)
MC07B0003-5A3-4-00
MC07B0004-5A3-4-00
MC07B0005-5A3-4-00
MC07B0008-5A3-4-00
MC07B0011-5A3-4-00
MC07B0015-5A3-4-00
MC07B0022-5A3-4-00
MC07B0030-5A3-4-00
MC07B0040-5A3-4-00
MC07B0055-5A3-4-00
MC07B0075-5A3-4-00
MC07B0110-5A3-4-00
MC07B0150-503-4-00
MC07B0220-503-4-00
MC07B0300-503-4-00
MC07B0370-503-4-00
MC07B0450-503-4-00
MC07B0550-5A3-4-00
MC07B0750-5A3-4-00
MDV60A0220-5A3-4-00
MDV60A0300-5A3-4-00
MDV60A0370-5A3-4-00
MDV60A0450-5A3-4-00
MDV60A0550-5A3-4-00
MDV60A0750-5A3-4-00
MDV60A0900-5A3-4-00
MDV60A1100-5A3-4-00
MDV60A1320-5A3-4-00
MDX61B0005-5A3-4-00
MDX61B0008-5A3-4-00
MDX61B0011-5A3-4-00
MDX61B0014-5A3-4-00
MDX61B0015-5A3-4-00
MDX61B0022-5A3-4-00
MDX61B0030-5A3-4-00
MDX61B0040-5A3-4-00
MDX61B0055-5A3-4-00
MDX61B0075-5A3-4-00
MDX61B0110-5A3-4-00
MDX61B0150-503-4-00
MDX61B0220-503-4-00
MDX61B0300-503-4-00
MDX61B0370-503-4-00
MDX61B0450-503-4-00
MDX61B0550-503-4-00
MDX61B0750-503-4-00
MDX61B0900-503-4-00
MDX61B1100-503-4-00
MDX61B1320-503-4-00
MDX61B0005-5A3-4-0T
MDX61B0008-5A3-4-0T
MDX61B0011-5A3-4-0T
MDX61B0014-5A3-4-0T
MDX61B0015-5A3-4-0T
MDX61B0022-5A3-4-0T
MDX61B0030-5A3-4-0T
MDX61B0040-5A3-4-0T
MDX61B0055-5A3-4-0T
MDX61B0075-5A3-4-0T
MDX61B0110-5A3-4-0T
MDX61B0150-503-4-0T
MDX61B0220-503-4-0T
MDX61B0300-503-4-0T
MDX61B0370-503-4-0T
MDX61B0450-503-4-0T
MDX61B0550-503-4-0T
MDX61B0750-503-4-0T
MDX61B0900-503-4-0T
MDX61B1100-503-4-0T
MDX61B1320-503-4-0T
MCF40A0015-5A3-4-00
MCF40A0022-5A3-4-00
MCF40A0030-5A3-4-00
MCF40A0040-5A3-4-00
MCF40A0055-5A3-4-00
MCF40A0075-5A3-4-00
MCF40A0110-5A3-4-00
MCF40A0150-5A3-4-00
MCF40A0220-5A3-4-00
MCF40A0300-5A3-4-00
MCF40A0400-5A3-4-00
MCF40A0450-5A3-4-00
MCF40A0550-5A3-4-00
MCF40A0750-5A3-4-00
MCF41A0015-5A3-4-00
MCF41A0022-5A3-4-00
MCF41A0030-5A3-4-00
MCF41A0040-5A3-4-00
MCF41A0055-5A3-4-00
MCF41A0075-5A3-4-00
MCF41A0110-5A3-4-00
MCF41A0150-5A3-4-00
MCF41A0220-5A3-4-00
MCF41A0300-5A3-4-00
MCF41A0370-5A3-4-00
MCF41A0450-5A3-4-00
MCH41A0015-5A3-4-00
MCH41A0022-5A3-4-00
MCH41A0030-5A3-4-00
MCH41A0040-5A3-4-00
MCH41A0055-5A3-4-00
MCH41A0075-5A3-4-00
MCH41A0110-5A3-4-00
MCH41A0150-5A3-4-00
MCH41A0220-5A3-4-00
MCS41A0015-5A3-4-00
MCS41A0022-5A3-4-00
MCS41A0030-5A3-4-00
MCS41A0040-5A3-4-00
MCS41A0055-5A3-4-00
MCS41A0075-5A3-4-00
MCS41A0110-5A3-4-00
MCS41A0150-5A3-4-00
MCS41A0220-5A3-4-00
MCS41A0300-5A3-4-00
MCS41A0370-5A3-4-00
MCS41A0450-5A3-4-00
MCV40A0015-5A3-4-00
MCV40A0022-5A3-4-00
MCV40A0030-5A3-4-00
MCV40A0040-5A3-4-00
MCV40A0055-5A3-4-00
MCV40A0075-5A3-4-00
MCV40A0110-5A3-4-00
MCV40A0150-5A3-4-00
MCV40A0220-5A3-4-00
MCV40A0300-5A3-4-00
MCV40A0400-5A3-4-00
MCV40A0450-5A3-4-00
MCV40A0550-5A3-4-00
MCV40A0750-5A3-4-00
MCV41A0015-5A3-4-00
MCV41A0022-5A3-4-00
MCV41A0030-5A3-4-00
MCV41A0040-5A3-4-00
MCV41A0055-5A3-4-00
MCV41A0075-5A3-4-00
MCV41A0110-5A3-4-00
MCV41A0150-5A3-4-00
MCV41A0220-5A3-4-00
MCV41A0300-5A3-4-00
MCV41A0400-5A3-4-00
MCV41A0450-5A3-4-00
MCV41A0550-5A3-4-00
MCV41A0750-5A3-4-00
SIEMENS 6DD1-682-0BE0 6DD16820BE0
GE FANUC IC697CPM915 IC697CPM915
ALLEN BRADLEY 1771-NB4T NSFP 1771NB4T
SIEMENS SCJD69300NGT SCJD69300NGT
SQUARE D 8810-SGO2-V02S 8810SGO2V02S
ALLEN BRADLEY 1395-B75-D3-P11-P51-X1 1395B75D3P11P51X
ALLEN BRADLEY 1771-NBRC NSFP 1771NBRC
ALLEN BRADLEY 1785-L40C/E 1785L40CE
SPRECHER & SCHUH PFS-0201-600V PFSwww.519d.comV
ALLEN BRADLEY 1771-IXHR NSFP 1771IXHR
ALLEN BRADLEY 1336F-B025AN-EN-HAS2-L6 1336FB025ANENHA1
SIEMENS 6GF1-723-1AA01 NSFP 6GF17231AA01
NSK M-PS3030KN532 MPS3030KN532
ALLEN BRADLEY SA3100-R020-AA-L6R SA3100R020AAL6R
ALLEN BRADLEY 2711-T10G16 NSFP 2711T10G16
ALLEN BRADLEY 20B-C056A0AYNANA0 NSFP 20BC056A0AYNANA0
MODICON 140-CPU-424-02 140CPU42402
MODICON 140-CPU-213-04 NSFP 140CPU21304
BAILEY CONTROLS IMMFP-12 IMMFP12
MODICON 140-CPU-534-14 FNFP 140CPU53414
RELIANCE ELECTRIC GV3000/SE-100V4060 GV3000SE100V4060
ALLEN BRADLEY 2711-K14C1 2711K14C1
SIEMENS 6AR1-303-0AC00-0AA0 6AR13030AC000AA0
RELIANCE ELECTRIC 15V4160 NSFP 15V4160
INTERMEC CV60-B13Awww.519d.com CV60B13Awww.519d.com
NEMATRON CORP EPC1900T-N270-2GB-40SS-W7U-WWB EPC1900TN2702GB4
HAMMOND D118-JC1 D118JC1
COMPUMOTOR ML3475B-10 ML3475B10
SICK OPTIC ELECTRONIC S30A-7011CA S30A7011CA
TELEMECANIQUE XBT-E013010 XBTE013010
SSD DRIVES 590S/0350/9/1/0/00 590Swww.519d.com0
AUTOCON TECHNOLOGIES INC www.519d.com www.519d.com
FANUC A06B-1006-B100 A06B1006B100
ALLEN BRADLEY 2711P-T10C4D8 FNFP 2711PT10C4D8
ALLEN BRADLEY 2711P-T15C4A8 FNFP 2711PT15C4A8
FANUC A06B-6050-H203 A06B6050H203
AUTOMATED LOGIC M4106 M4106
SIEMENS 6SE7-024-7ED61 6SE70247ED61
SQUARE D PCS050D5N1 PCS050D5N1
MODICON 140-CPU-434-12A FNFP 140CPU43412A
ASEA BROWN BOVERI CMM11 NSFP CMM11
ALLEN BRADLEY 1785-L40B/E NSFP 1785L40BE
ALLEN BRADLEY 20CD261A0AYNNNB0 20CD261A0AYNNNB0
ALLEN BRADLEY 20DD077A0NNNACANE NSFP 20DD077A0NNNACAN
FOXBORO MS-3CLPB-A MS3CLPBA
FOXBORO 3CLCC-A 3CLCCA
BAILEY CONTROLS INSEM-01 NSFP INSEM01
SYMAX 8055-SCP-453 8055SCP453
SYMAX 8030-CRM-211 8030CRM211
SYMAX 8020-SCP-724 8020SCP724
SQUARE D 8803-P00CO4M 8803P00CO4M
SKALTEK DCD-120-4K DCD1204K
SIEMENS 6SE6430-2UD37-5FA0 6SE64302UD375FA0
SIEMENS 6SC9811-4BC20 6SC98114BC20
SIEMENS 6FC5-203-0AB11-0AA2 6FC52030AB110AA2