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对于电热设备,如电阻炉、电热器等,负荷的冷态电阻较小,因此起动电流相应要大一些。选用接触器时可不用考虑(起动电流),直接按负荷额定电流选取。型号可选用CJl0、CJ20等。
以机床电器布置图为例,它主要由机床电气设备布置图、控制柜及控制板电气设备布置图、操纵台及悬挂操纵箱电气设备布置图等组成。
电气控制系统是由许多电气元件按照一定要求联接而成的。为了表达生产机械电气控制系统的结构、原理等设计意图,同时也为了便于电气系统的安装、调整、使用和维修,需要将电气控制系统中各电气元件及其联接用一定图形表达出来,这种图就是电气控制系统图。
电磁式接触器的工作原理如下:线圈通电后,在铁芯中产生磁通及电磁吸力。此电磁吸力克服弹簧反力使得衔铁吸合,带动触点机构动作,常闭触点打开,常开触点闭合,互锁或接通线路。线圈失电或线圈两端电压显著降低时,电磁吸力小于弹簧反力,使得衔铁释放,触点机构复位,断开线路或解除互锁。
減速機德国ZAE90-0675-M2
AB1785-L80E/EPLC-5/80EEtherNetProcessor((SeriesE))1785-l80e/e
IC693CMM311
输出模块1746-OW16模块1747-L542机架1746-A7通讯模块1747-ASB
三星PLCCPL93484
XBTF024110
RexrothMDSD-2X/OProportionalHydraulicCard
ALLENBRADLEY2711-NM1NSFP2711NM1
AllenBradley2711P-K4M5DPanelViewPlus400AB2711PK4M5DPanelViewSer.AB
当前PLC品牌全球有超过300多种。要遵循一定的规律,例如南方可能是西门子用得多,南方就各品牌的都有,这时我就要结合自己的实际情况来选择,一般来说,基础好的就学西门子,因为西门子的难度比拟大,学会西门子后再弄三菱就显得简单了;要是基础比拟差的就建议学三菱,三菱学起来会轻松些,直观易懂,但学会了三菱,再去弄西门子还有一定的难度,因为西门子比较抽象,所以大家可以结合自己的实际情况来选择,中国,三菱和西门子是最具有代表性的两种品牌,不同品牌的PLC其功能原理等都是差不多的先学会一种,再去学另一种,就会轻松容易。
实际工作中,接线图常与电气原理图结合起来使用
控制速度:继电控制逻辑依靠触点的机械动作实现控制,工作频率低。触点的开闭动作一般在几十毫秒数量级。另外机械触点还会出现抖动问题。而PLC是由程序指令控制半导体电路来实现控制的,速度极快,一般一条用户指令的执行时间在微秒数量级。PLC内部还有严格的同步,不会出现抖动问题
AC SERVO MOTOR SGM-04A314D
MDV60A0015-5A3-4-0T08273367
3HNA011025-001CABLECANBUSCCBS//4UNITS
REXROTH博士力士乐VT3000S34-R51
MITUTOYO519-402?
西门子GWE-620381900101
3HNA007885-001PTK010S1
RexrothProp.VerstarkerVT5022S13R1
西门子板卡型号:6GK1143-0AA01
MOTOROLA摩托罗拉MVME172-263/2601
GEIC697BEM7132
MVME167-03B现货
S5KA4X3A6
2801-N21
电动蝶阀DN400-D341X-10Q,
2711-T5A9L1AllenBradleyPanelView2711T5A9L1N70
AC SERVO MOTOR USAFED-20FA2S
XBTZ9710
HDD02.2-W075N-HS1201-FW
1336F-B450-AN-EN-HAS2
W83877ATFWinbond
DSQC328A
RKCfarexSRminiHGsystemH-TIO-B-FK04-V*NN
VDI63821
51201420-012
VDIF0630302201
IC200UEX211
MVME334A现货
AllenBradley6183H2PVERSAVIEWNON-DISPLAY2Ghz80gig
SIEMENSFUM2326DP1232-8AA
SI3HAC041352-001IRB66X0Repairkitaxis5
YB560103-CA8
2711-B5A10L1
XBTFC084510
ABBDPW016
1336F-A007-AA-EN
ABBFIS-3A励磁板
1394C-SJT10-L-RL
p0916JT
1746-P2
编号Cat.descrtptionPartNO.
7ME3950-1GT20
DSTD150A57160001-UH连接单元
3HNA016217-001BUSHING
SGMM-A2C312C价格
1771-IL
ACS800-01-0011-3
ALLENBRADLEY2711-K14C1USPP2711K14C1
OMRONCQM1-CPU11-EUSPPCQM1CPU11E
FURNACEHEATERELEMENT4600819112
SIEMENS1LA7163-4AA61三相交流异步电动机
DAO01
ALLENBRADLEYPanelView1000CAT:2711-T10C15SER:B
HE693PBM101E
140EHC10500
欧姆龙C500-ID2183G2A5-ID218
MVI56-MCM
30750990-001
3HAC020823-002
3HAC020843-001
MPB51A011-503-00变频器
XPEWHT-L1-5A4-R2CREELTD
NEWALLENBRADLEY700-HK36Z24RELAY24VDCCOIL10ANIB
ME51-M-ST
171CCC78010
E300
西门子BF8701NEU5E
6ES5544-3UA11或6ES5544-3UA11板卡
IC647AUR100
140ATI03000
AB1746-IA16SER.COUTOFABOX
3HAC037707-001HarnA42-A21&XS13
Westinghouse1C31234G014
MVI46-MCM0
TOSHIBATDI334HSTDI334H*S
600544000
1756-L62
140DDI35300
MSD083A2XXMSD023A1XX
AllenBradley2711-KA1/BPanelviewTerminalOIPSeriesB
TSXSDC37002
AS-B579-001
梅特勒托利多防尘式PTHN-1900N-023称重显示器XK3123(PANTHER)
NEWALLENBRADLEYPV5502711-NL12711NL1BACKLIGHTNIB
3IF681.96
1784-PCMK
800HUR55AB800HUR55
SST5136-PFB-ISA1
IC697ALG440
DX204-2-2/BT11M1NSFPDX20422BT11M1
YW80L186EC13INTEL
A-404LP
HDS02.2-W040N
XBTF024510
P0999TZHoneywellTDC2000ToAW51DAdvUpgradeSWLic
1769-SDN
ABBDSQC352A3HNE0009-1/111
IC697PWR711
1336F-B075-AA-EN-L4
DPD171OO
ABPLC1746-P1220VAC2A电源
DP85*A超值特价
900060
Simatic6ES5461-5AA11
AS-B825
ThermoScientific8045Matrix*FilteredPipetTips12
B&R-7DI435.7
ALLENBRADLEY2711-B6C5Ser.BPANELVIEW6002711B6C5
施耐德CPU板F5218/3D657038/G704
AS-P421-431
AS-EM85-000
YOKOGAWADCSAMN11
140ACI03000
霍尼韦尔TC-CCR013
PM825
施耐德TSXPSY2600
6FX1120-7BA01+6FX1126-6BB00+6FX1850-0BX02-4B+-0BX01-4B
3HAA0001
1492-CAB010B94
DSQC361
2706-PDHPM
AS-B883-001
AllenBradleyAB700rtTimer700rt00n110a1
AllenBradleyFlexI/O1794IB16SinkInputModule
1756L55M14
富士PLCFPU150S-A10
A20B-2902-0196
2711-K5A9
AB1734-OE2C/C1734-0E2CPOINTI/OAnalogCurrentOutputModule
ABBNINT-45/带BSM25GD120DN2模块
JAMSC-B1062
UNYCSPSPUZBU
ABBDSQC5323HAC12158-1
1336F-BX060-AN-EN910
AB1606-XLS480E-3SERIESAPERFORMANCEPOWERSUPPLY3PHASE
3HAC020843-001
TSXCSA200
NEWAllenBradley1784-PKTX/B1784PKTXPCIBusCard
AllenBradleyPanelview10002711-T10G1/A2711T10G1
TSXDEY32D2K【厂家】
MotortrovicsACDrivew/BypassLS2-48150-NX5150HPInputs
GEFANUCIC693CHS392
531X100CCHAPM1
140CRA93200
SUPERIORELECTRICSS400BU
MDD093C-N-060-N2L-110GAO
ALLENBRADLEY2711-T9A22711T9A2PANELVIEW900SERFFRN3.30EXCEL
"MDF60A-0022-5A3-4-00(MDX60A0075-5A3-4-00
MAC112A-0-VD-3-C/130-A-0
1C31227G01
RAC-2.3-200-460-A01-W1
VSPC32-MONSP
SDCS-PIN-21现货
施耐德开关C120H3PD80A
1336F-B020-AN-DE
AB1746-NI4
SCE8000-SCM-E
1747-SDN
MDX-052
3HAC020813-147
Simatic456-4UA12
XMLAWT-0-7A3-T30-0LCREELTD
3HAC031527-001HarnessG2-A21&A31
SIEMENSCU56SA8252-0AC6199新
140DAM59000C
XPEWHTL1000000E01CRE
AB1361-D063-Z-5-10
A20B-0007-0360
1C31233G04
TTR-53810-4002-B-02-C
140CPS11420
140G-I-TC4L
A06B-0148-B675
2098-DSD-030X
Honeywell2VM62-020-?5
FBM217电缆P0916FJ@@@@@@@@@@@@@@@@@@@@@@@@2222
3HNA016792-001CABLEAD1.X9-VC3.X8
P0926WHLCDMonitorArm,Dual
P0951CQTerminationCableAssembly,Wire1066mm(42-Inch)
3HAC12493-1Conn.setR1.CS,Std.
6ES5948-3UR23
3HAC020813-014
ABSLC5001747-L5241746-P11746-A4System
YOKOGAWAER5*BRTDinputcard
TESTED!AllenBradleyPanelview1000HMI2711-T10C20E
TSXIBSCA100
140ACO02000
IC647NMX000
AB-21203-CN1
3HAC025347-001
1336-BDB-SP69D
6ES5095-8MA04
西门子6AV6642-0DC01-1AX1(OP177B)
1756-OW16I
CC-PDIH01DI-HighVoltage(32)Module
GLENTEKSMC9915-1D-1
IC697CGR935
6ES7331-7KF02-0AB0
TSX08CD12M8A
西门子plc6ES7138-4CF41-0AB0
西门子备件:C98043-A1601-L4-17
ABSLC5001746-A77SlotRackw/1746-P2,1747-L5421,(2)1746-IA16,e?tc
3HNA012952-001O-RING
SIEMENSPTM6.2Q250带底座
ALLENBRADLEY1771-ASB/EREMOTEI/OADAPTER*SEALED
51401140-450
ABBDCS400直流调速器备件SDCS-PIN-3A
1336F-B400-AN-DE
TERADYNE950-558-00/A
AB1762-L40BWA/CMicroLogix1200Controller60DAYS
MAC112C-0-HD-3-C/130-B-1/S021
TSXETG100
*NEWSEALED*AllenBradley2711P-T7C4D1/APanelViewPlus700Touch/Enet/RS-?232
1336-WA115
MOELLERFD6201C4
7ND4801-7CA
MAO329001
IC697VDQ120
140M-C-UXF
OC-VIP06D0300
3HAC4050-1SignalcableSMB
30735876-001
ACP201-07订货号:
6DS1412-8RR
A06B-6121-H030#H570#C
11千瓦YASKAWA安川伺服驱动器SGDM-1AADA
欧陆直流调速器590P/0035/500/0011/UK/AN/0/0/0
PANASONICMFA050LD-4NSD
1492-AIFM4C-F-5
BAILEYIPSYS0123卓凯电子0591-621825206ES5955-3LC131
GE?FANUC?IC800SSD104RS1-CC?IC800SSD104RS1CC?Servo?Motor?Controller
1746-NR4全新原装
467NHP81100
PGN+64-1雄克片织梭机3只
AM-SA85-000
140DAO84000C
SIEMENS西门子6ES5451-8MR121
81011903【价格】
SGDB-44AD
AllenBradley2711-T10C15/D|PanelView1000
140XBP00600
Aug-66
3HAC14550-1/03A
1756-L61
140ACI03000
霍尼韦尔电缆51202329-600
140CPU11303
FOXBORODCSFBM17DM400YT
TSX07EX1628
Moog072-1203
XBTL1AB01
140CPU67160
MannesmanRexrothVT1600S3XServoAmplifier
1336F-B100-AA-EN-LA4
AllenBradley1771-IAD
590P电流互感器AH470330T032/3
ALLENBRADLEYPANELVIEW6002711-K6C12711K6C1
艾默生PLCEC20-4040BTA
NIAI02低价销售贝利模块
AB100D180ED00NSFP100D180ED00
TSXP57153M
MOD1/1X018-002
XBTZ9720
6ES7357-4AH00-3AE6
140ACI03000
YB560103BE
3HNA003559-001FIBERCABLEASSEMBLY,SPARE
AB2711-k5a5l11/81001-449-05-R,PF7000PanelView
3HNA008817-001CABLEAC-AMMAIN30-3
PR9001
AB8000-IOAB
A06B-6050-HI03
B&R伺服电机8MSA4M.R0-B5
EDWARDSPV25EKA真空电磁阀
6ES7416-3XL00-0AB0
TSX3710128DR1
140MSB10100
AllenBradleyAB4100CCS15FServoCableNEW
IC697BEM713RR
7NY1010-0BE4
FOXBORODCSFBM17DM400YT
CP302卓凯电子0591-621825201C31238H013
A16B-2201-0101
ALLENBRADLEY2711-K10G8USPP2711K10G8
1756-L55M24
7ML1998-5HE21
6SN1118-0AA11-0AA0
MOD13-1X010-314
A20B-1000-0220
HG5700ZC
CPC-E94V-0霍尼韦尔卡
ABBulletinPressureControlSwitch836T-D452JX9SerA_836TD452J
3HAC020813-149
PilzPNOZmo2p
FBM214电缆P0916DC
AMAT0100-000111
FUJIELECTRICBU2EHC-015L2PPOLE15AAMP480V-ACCIRCU
AS-BDEP-256
ABAllenBradley1771-KE1771KECommunicationModule
6EW1890-3AB
AB1746-NT4模块
DSQC322
XC68HC708AZ60VFUMotorola
1785-L80C
IC693MDL646价格
DSQC369
NIBAllenBradley2711P-T10C4D1PanelviewPlus1000
6ES5318-8MA12
DSBC1762
1756-IF16
FBM203
MicroEM10光栅尺读头
ANRITSUMA2491A功率计探头
Honeywell30750771-001REV.2
3HAC020817-001
3HAB4535-1/8
XTEAWT-0-5A3-R30-FBxCREELTD
HARMONICHA-655-4-2001
FANUCA06B-0147-B084#7008
MDX61B0750-503-04-0T8279896
ROSEMOUNT3051CD4A02A1AM5Q4S5
电路板5X00105G071
Honeywell900r12-0101
安川伺服电机SGMAS-C2ACA41SGMAS-C2ACA21150W好
3HXD1139-250
AllenBradley2711-T10C16L1/E2711T10C16L1Panelview1000
SNAP-PS24
37911-4-0338125
6ES5470-8MA12
海泰克触摸屏5.7寸天蓝色海泰克人机界面PWS6600S-S
ALLENBRADLEY2711-K6C5NSFP2711K6C5
AB1746-BASBASICMODULE
6AV8100-1BB00-0AA0
ALLENBRADLEYPANELVIEW900OPERATOR2711-K9A5SERF
IC697PWR731RR
E+HPMC1330-2.5MPA
AllenBradley2711P-K6M20A|PanelviewPlus
7ML1830-1BK
美国ParKer341L9504-8993-481045C2
ALLENBRADLEYPV10002711-K10G92711K10G9
3HAC14757-1
3HAB7215-1
499NTR10100
170ENT11000
3HNA003292-004MO_EQNIP.FEEDM
ALLENBRADLEY2711-B5A2PV550SERGFRN4.202711B5A2
DATAPLATEPMC7201
AS-BCTR-224
6EP1437-2BA10
AB1747-L532,SeriesD,SLC5/03ProcessorUnit
ALLENBRADLEY2711-K6C2L1USPP2711K6C2L1
SAUTER578785-011
富士PLCNB1U56R-1195新!!
ST-3644
TSXP57554M
6ES7315-2AF03-0AB0
16310-71-16209-2039-1
1746-OB32
A06B-0514-B005
P0902XBFBM42
FBM242?
ALLEN BRADLEY 891N263A USPP 891N263A
NT631C-ST141-EV2
6FC5357-0BB21-0AE0
140DDI35300
ACS143-2K7-3-C【价格】
LE4-116-XD1模块
3HNA010928-001PULLEY
35AE92
1746-HCA
IC756WET200J-22
XR2211ACDEXAR
MSK100C-0200-NN-S1-BG2-NNNNR911316402
A06B-0730-B304
A06B-0157-B077
ABBDLM011
西门子PLC6GK7-443-5DX03-0XE0
XC1701LJCXilinx
SIENMENSPTM6.2I420(带端子)
3HAW107700606W107700606Switchsupport4tracks900m
AllenBradley1785-L80E/D1785L80EPLC-5/80Ethernet
ABB6248BP10811A/6248BP10821A/6248BP10831A
FBM07CM400YH
140CRP93200
CDB01.1C-PB-ENS-ENS-NNN-NNN-NN-S-NN-FWR911308282
1756-CP3
1746-NO4I
3HAC020823-002
TEXASINSTRUMENTSPOWERSUPPLY5TI1029-1*NICE*
ABSLC5004slot1746A4SeriesBwith1746P3SeriesAPowerSupply
SYS68K/CPU-30ZBEComputers板卡
NW-BM85Y422
6ES7416-2XN05-0AB0
FACTSF1-130DD
140U-J-ER1RX
西门子6AG7011-1BA00-0AD0触摸屏
1771-NAX
100-C09UEJ01
AllenBradley2711-K6C1OperatorInterfaceSerB#26571
TPCX57353M
1492-SPM2B500
贝加莱ACOPOS控制器CPU板
1747-L551
140NOM25200C
P0900HNSPECTRUMMasterGateway
7ND4800-7BT
57520001-ERDSTC190
100-0185
2711P-T10C4A1
2711-T9A1
7ME3940-0SL45
CC-PCF901ControlFirewallModule,8Port+1uplink
1746-P2
1746-RL44
AB1756-L55M13
PCI-2512C
AllenBradley2711-K5A8|12mowarranty|FreeEUShipping|IncUKVAT
MAF130B-0100
SPX49-4100-03C5????
HF453S-A48
SGDB-10ADG-PY287 AC
1492-CABLE005X
7ME3960-0MD00
艾默生7.5KW/11KW驱动板电源板F1452GM1
1336F-B025-AA-EN-LA3-L6
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