卓凱以“專業(yè), 誠(chéng)信,創(chuàng)新,合作,共贏”的經(jīng)營(yíng)理念,不斷開(kāi)發(fā)新產(chǎn)品,為客戶提供優(yōu)質(zhì)服務(wù),以最大限度追求客戶滿意,并不斷開(kāi)拓新領(lǐng)域業(yè)務(wù)。
應(yīng)用領(lǐng)域:
石油化工,鋼鐵冶金,水泥電力,環(huán)保水處理,汽車通信,港口碼頭,樓宇自控,安防監(jiān)控等多個(gè)行業(yè)。
特色服務(wù):
卓凱對(duì)停產(chǎn)的“DCS系統(tǒng)備件,PLC模塊備件”有著強(qiáng)大的優(yōu)勢(shì)只要您需要的PLC產(chǎn)品,我們就能幫您找到,公司極具價(jià)格優(yōu)勢(shì)。
歡迎來(lái)電咨詢~~~
聯(lián)系人: 程工
聯(lián)系手機(jī):15205082707
固定電話:0591-62182558
qq:340135333
圖1中SA用來(lái)選擇自動(dòng)/手動(dòng)程序,供自動(dòng)/手動(dòng)切換之用,SB2和SB1按鈕都使用X0輸入端,但它們不會(huì)同時(shí)起作用,圖1中的二極管用來(lái)切斷寄生信號(hào),避免錯(cuò)誤信號(hào)的產(chǎn)生。這樣,通過(guò)PLC的硬件公共點(diǎn)(COM)接線的轉(zhuǎn)換和軟件分時(shí)執(zhí)行各自不同的用戶程序段的方法,使得PLC的一個(gè)輸入點(diǎn)可分別反應(yīng)兩個(gè)輸入信號(hào)的狀態(tài),起到兩個(gè)輸入點(diǎn)的作用,來(lái)完成PLC在兩種工作狀態(tài)下的輸入功能,提高了PLC輸入點(diǎn)的利用效率,相當(dāng)于擴(kuò)展了PLC的輸入點(diǎn)的實(shí)際數(shù)量。其它X1-X7端相似。
接地過(guò)電流保護(hù)。逆變器負(fù)載側(cè)接地設(shè)計(jì),為了保護(hù)逆變器,有時(shí)要有接地過(guò)電流保護(hù)功能。但為了確保人身安全,需要裝設(shè)漏電斷路器。冷卻風(fēng)機(jī)異常。有冷卻風(fēng)機(jī)的裝置,當(dāng)風(fēng)機(jī)異常時(shí)裝置內(nèi)的溫度將上升。因此采用風(fēng)機(jī)熱繼電器或器件散熱片傳感器,檢出異常后停止逆變器。
接地過(guò)電流保護(hù)。逆變器負(fù)載側(cè)接地設(shè)計(jì),為了保護(hù)逆變器,有時(shí)要有接地過(guò)電流保護(hù)功能。但為了確保人身安全,需要裝設(shè)漏電斷路器。冷卻風(fēng)機(jī)異常。有冷卻風(fēng)機(jī)的裝置,當(dāng)風(fēng)機(jī)異常時(shí)裝置內(nèi)的溫度將上升。因此采用風(fēng)機(jī)熱繼電器或器件散熱片傳感器,檢出異常后停止逆變器。
電氣控制系統(tǒng)是由許多電氣元件按照一定要求聯(lián)接而成的。為了表達(dá)生產(chǎn)機(jī)械電氣控制系統(tǒng)的結(jié)構(gòu)、原理等設(shè)計(jì)意圖,同時(shí)也為了便于電氣系統(tǒng)的安裝、調(diào)整、使用和維修,需要將電氣控制系統(tǒng)中各電氣元件及其聯(lián)接用一定圖形表達(dá)出來(lái),這種圖就是電氣控制系統(tǒng)圖。
摩托羅拉MVME5110-2261-MPC7410
CIMP-F7C4011
1485C-F1G600
500930880
歐姆龍3F88L-132凸輪控制器
1485FS-P5N5-C
EndressHauserM-Point50061730
1756-L55M12?
1492-L6-BL
某機(jī)床主軸由一臺(tái)三相籠型異步電動(dòng)機(jī)拖動(dòng),潤(rùn)滑油泵由另一臺(tái)三相籠型異步電動(dòng)機(jī)拖動(dòng),均采用直接啟動(dòng),工藝要求有;(1)主軸必須在潤(rùn)滑油泵啟動(dòng)后,才能啟動(dòng);(2)主軸為正向運(yùn)轉(zhuǎn),為調(diào)試方便,要求能正、反向點(diǎn)動(dòng);(3)主軸停止后,才允許潤(rùn)滑油泵停止;;(4)具有必要的電氣保護(hù)。
輸出部分提供正在被控制的許多裝置中,哪幾個(gè)設(shè)備需要實(shí)時(shí)操作處理。PLC采用大規(guī)模集成電路構(gòu)成的微處理器和存儲(chǔ)器來(lái)組成邏輯部分。盡管邏輯部分的作用與繼電器控制系統(tǒng)類似,但是其組成,工作原理,運(yùn)行方式與前者是截然不同的。通過(guò)編程,可以靈活的改變其控制程序,相當(dāng)于改變了繼電器的硬接線線路,這就是所謂的"可編程序"
接地過(guò)電流保護(hù)。逆變器負(fù)載側(cè)接地設(shè)計(jì),為了保護(hù)逆變器,有時(shí)要有接地過(guò)電流保護(hù)功能。但為了確保人身安全,需要裝設(shè)漏電斷路器。冷卻風(fēng)機(jī)異常。有冷卻風(fēng)機(jī)的裝置,當(dāng)風(fēng)機(jī)異常時(shí)裝置內(nèi)的溫度將上升。因此采用風(fēng)機(jī)熱繼電器或器件散熱片傳感器,檢出異常后停止逆變器。
A06B-0104-B111#7000
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MERLINNSJ400H
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VDIX2806
140EIA92100
1336F-A050-AE-EN
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IC693PWR322
3HAC020849-001
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1336F-B075-AA-DE
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62795604-002
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16137-114
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MDD065A-N-040-N2L-095PBO、
1745-LP152/CABSLC150PLC1745LP152N826
XBTL1GE01
3BSE013231R1TU811V11
ALLENBRADLEYPANELVIEW1200TERMINAL2711TC1Ser:B
3HAC040031-001Thelowerpartofpressingtool
ALLENBRADLEY2711-T10C152711T10C15REM2711-T10C15X
3HAB8797-1/2B
170MCSER200
AllenBradley2711P-RP1/G|PanelviewPlus*NIBFS*
984685E
IC697PWR710
6ES7441-1AA01-0AE0
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TC-IXL061
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1321-RWR55-DP
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140DDI84100
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1492-MS8X12V61-70
EAGLESTAINLESSSTEEL0.500mlBOTTLEBTB-7WITHCAP&C
CP-ACM
IC697BEM711
XBDAWT-0-6D1-Q40-0HCREELTD
ERICSSON9303367813
SIEMENS6DS1412-8RR1
6182H-7TRH4D
1492-SPM2D300
SGMAS-04AGA-SU12
IC756MDV001K-99
140DDI35300
2711-K6C2L1
IC200MDD847LT
DSQC6523HAC025917-001
AllenBradley42GUR-9200-QDPhotoswitchNewHdwrKit
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1746-F4
AllenBradley2711-T5A5L1REPLACEMENTLEDBACKLIGHTKIT
三菱FCA520系統(tǒng)主板QX611-1
3HAC020813-082
140ACI04000
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100S-C43T14BC
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A06B-0314-B567#7076
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6FC5357-0BA11-1AE0
Bently3000000083602
KE312.06-608-750-109-102
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140PLC140MSC10100
CAPP422397????
6ES5500-7AA11
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ADVANTECHPPC-60S-RT386
1SBP260106R1001
1756-CNB
MCH42A0220-503-4-0008275734
XTEAWT-0-7C4-Q40-FHCREELTD
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700-P800B11A
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INDRAMATMDD071B-N-030-N2L-095PB0PERMANETMAGNETMOTOR
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1746-IM16
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VWR986962
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IC697MDL740E
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6FC5500-0BA00-0AA0
140ACI05100
140CPU43412A
PM550-302
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1756-OB8
Allen-BradleyA-BPanelView1400eTerminal2711E-K14C6X
SPMRelaySPM1
XC3030-100TQ100IXilinx
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MCV40A0300-203-4-0T08274940
TLYA230PBJ62AA
SNAP-AITM-2
發(fā)那科A16B-1000-0220/fanuc
AS-D908-120
TSXMRP064P
歐姆龍PLCCQM1-OC221
LINKZL53113
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1756-BA2
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TRICONEXDO模塊3401
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ALLENBRADLEYPVPLUS2711P-RBK72711PRBK7BEZEL
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UDX5128
6ES7313-1AD02-0AB0
6ES5894-0MA04-0UG6
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1492-SPM2C040
810-017035-001
AM-C921-000
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1794-OW8
1756-CN2R
IC3600TSUC1A
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E501821880AC-motor
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3HNP02186-1ROUNDROD
YB161102-BS
AllenBradley1771-A4B16SLOTI/OChassisW/9CARDS!
DSAI145
ABB板卡
0.01Pro-face觸摸屏GP477R-EG41-24VP用主板
RARE!ABAllenBradleyPanelView5502711-B5A15SerG
1746-A10