描述
(2)安裝與布線
●動(dòng)力線、控制線以及PLC的電源線和I/O線應(yīng)分別配線,隔離變壓器與PLC和I/O之間應(yīng)采用雙膠線連接。將PLC的IO線和大功率線分開走線,如必須在同一線槽內(nèi),分開捆扎交流線、直流線,若條件允許,分槽走線最好,這不僅能使其有盡可能大的空間距離,并能將干擾降到最低限度。
●PLC應(yīng)遠(yuǎn)離強(qiáng)干擾源如電焊機(jī)、大功率硅整流裝置和大型動(dòng)力設(shè)備,不能與高壓電器安裝在同一個(gè)開關(guān)柜內(nèi)。在柜內(nèi)PLC應(yīng)遠(yuǎn)離動(dòng)力線(二者之間距離應(yīng)大于200mm)。與PLC裝在同一個(gè)柜子內(nèi)的電感性負(fù)載,如功率較大的繼電器、接觸器的線圈,應(yīng)并聯(lián)RC消弧電路。
●PLC的輸入與輸出最好分開走線,開關(guān)量與模擬量也要分開敷設(shè)。模擬量信號(hào)的傳送應(yīng)采用屏蔽線,屏蔽層應(yīng)一端或兩端接地,接地電阻應(yīng)小于屏蔽層電阻的1/10.
●交流輸出線和直流輸出線不要用同一根電纜,輸出線應(yīng)盡量遠(yuǎn)離高壓線和動(dòng)力線,避免并行。
(3)I/O端的接線
輸入接線
●輸入接線一般不要太長(zhǎng)。但如果環(huán)境干擾較小,電壓降不大時(shí),輸入接線可適當(dāng)長(zhǎng)些。
●輸入/輸出線不能用同一根電纜,輸入/輸出線要分開。
●盡可能采用常開觸點(diǎn)形式連接到輸入端,使編制的梯形圖與繼電器原理圖一致,便于閱讀。
輸出連接
●輸出端接線分為獨(dú)立輸出和公共輸出。在不同組中,可采用不同類型和電壓等級(jí)的輸出電壓。但在同一組中的輸出只能用同一類型、同一電壓等級(jí)的電源。
●由于PLC的輸出元件被封裝在印制電路板上,并且連接至端子板,若將連接輸出元件的負(fù)載短路,將燒毀印制電路板。
●采用繼電器輸出時(shí),所承受的電感性負(fù)載的大小,會(huì)影響到繼電器的使用壽命,因此,使用電感性負(fù)載時(shí)應(yīng)合理選擇,或加隔離繼電器。
●PLC的輸出負(fù)載可能產(chǎn)生干擾,因此要采取措施加以控制,如直流輸出的續(xù)流管保護(hù),交流輸出的阻容吸收電路,晶體管及雙向晶閘管輸出的旁路電阻保護(hù)。
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動(dòng)化控制系列
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。
MKS 146B 4 Channel MFC Gas Mass Flow Controller 146 B
Comet Mini Vacuum Capacitor 15kV 210pF MC1C-210 E/15
Advanced Energy AE RFG 2000-2V RF Generator 3155053-007
Leybold Ionivac High Vacuum Ion Gauge Controller IM110D
Leybold Turbovac TMP 50 High Vacuum Turbo Pump ISO 100
MKS 2 Torr Baratron Pressure Transducer 122BA-00010EB
MDC High Vacuum Gate Valve NW KF QF 50 KGV-2000V-P-03
Nor-Cal High Vacuum Isolation Valve conflat 221-921-900
Lot of 6 Fujikin Gas Flow Control Valves 2 manifolds
Advanced Energy PDX900-2V RF Generator AMAT 3156024-110
Spellman High Voltage Power Supply Pre Load RSB40X3995
Kaiser KSI High Voltage Power Supply+1 kV 1A S1-1-1000
Varian High Voltage Surge Suppressor E11029161 Edal HVR
AE Advanced Energy RFG 1251 RF Generator 3155107-001 B
AE Advanced Energy RFX 2500 RF Generator 3155011-000
Advanced Energy Apex 3013 RF Plasma Generator 3kW AE
RFPP RF5S RF Generator RF 5S Plasma Advanced Energy AE
Glassman+5 kV 20mA High Voltage Power Supply HV
Trazar Paralax Igniter RF Generator 27MHz 1200W IG270
MKS 146C Vacuum Gauge Measurement Control System 146 C
Varian Turbo V 300 ICE MacroTorr High Vacuum Turbo Pump
AMAT 8330 Micro-Match RF Matching Network 0010-00799
NEW RFPP Advanced Energy Harmonic Filter 1 kW 350kHz AE
Advanced Energy AE RFG/AZX Control Panel 3155050-000A
Eaton Ion Implanter Surge Protection Bd 1504260 HV kV
Applied Materials 8100 D System DC Power Supplies AMAT
AMAT Applied Materials MXP+RF Match Network Tuner
AMAT Applied Materials MXP+RF Match Network Tuner
Advanced Energy AZX63 RF Match 3155031-014 AMAT
AE Advanced Energy APEX 3013 RF Generator AMAT Working
Applied Materials AMAT CVD RF Match 0010-9750W Tested
Advanced Energy AE GenCal RF Power Head PMH 400/2200
Glassman KL High Voltage Power Supply-30 kV 100mA
RFPP Advanced Energy RF 10S Power Amplifier MRF150 NEW
Hitek Hivolt High Voltage Power Supply-30 kV 1kW HV
LAM Research 13.56MHz RF Match Network Kiyo Poly Etch
NEW Astech ATL-100RA LF RF Match Network 500W RFPP AE
Applied Materials RF Match Phase 4 AMAT P/N 0010-09416
BOC Edwards EPX 180L Dry Molecular Vacuum Pump Tested
Advanced Energy AE HTCM RF Match AZX Control Module
Leybold Turbovac 450 Turbo Pump NT450 w/Cable,Rebuilt
AE Advanced Energy AZX90 RF Match 3155031-011B AMAT
Varian Turbo V 301 Navigator Control Unit 9698973
Systron Donner M107 Precision DC Voltage Source Tested
Dressler Advanced Energy ProSys Mega Pulse RF Generator
Applied Materials Ion Implanter Arc Control DSP
Advanced Energy AE Multifunction RF Match 3156035-100
AE Advanced Energy LF-10A 1000W Generator 3150010-001E
ADVANCED ENERGY AE-4855015 USPP AE4855015
AE Advanced Energy RFDS 2000-2V RF Gen.3155038-013 2kW
AE Advanced Energy MDX-L6 Magnetron 3152343-000A
AE Advanced Energy RF10M RF20M User Manual 5708513 NEW
AE Advanced Energy MDX-5K Power Supply 2011-035-Y 5kW
AE Advanced Energy RFDS 2000-2V RF Gen.3155038-013C
AE RFPP Advanced Energy LF-5 500W Generator 3150012-009
AE Advanced Energy 3152334-000B AMAT Applied Materials
AE Advanced Energy PDX 1250 RF Generator 3156024-131A
AE Advanced Energy MDX-20K Master 3152223-003-Y 20kW
AE Advanced Energy Navigator 1013 RF Match 3155126-017A
AE ADVANCED ENERGY CABLE
AE Advanced Energy RFPP LF-5 Generator 7520572050 500W
AE Advanced Energy RF Match Network 3155031-014D
AE Advanced Energy PDX 1250 RF Generator 3156024-131A
AE ADVANCED ENERGY PDW2200 RF GENERATOR
AE Advanced Energy RFPP RF Match 7621993020 working
AE Advanced Energy 2500W RF Match 3150275-007G working














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