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PLC使用半导体集成电路作定时器,时基脉冲由晶体振荡器产生,精度相当高,定时范围一般从0.1 s到若干分钟甚至更长,用户可根据需要在程序中设定定时值,然后由软件和硬件计数器来控制定时时间,定时精度小于10 ms且定时时间不受环境的影响。
电气原理图设计的基本步骤是:(l)根据确定的拖动方案和控制方式设计系统的原理框图。(2)设计出原理框图中各个部分的具体电路。设计时按主电路、控制电路、辅助电路、联锁与保护、总体检查反复修改与完善的先后顺序进行。(3)绘制总原理图。(4)恰当选用电器元件,并制订元器件明细表。设计过程中,可根据控制电路的简易程度适当地选用上述步骤
PLC具有通信联网的功能,它使PLC与PLC 之间、PLC与上位计算机以及其他智能设备之间能够交换信息,形成一个统一的整体,实现分散集中控制。多数PLC具有RS-232接口,还有一些内置有支持各自通信协议的接口。
吸引线圈额定电压接触器正常工作时,吸引线圈上所加的电压值。一般该电压数值以及线圈的匝数、线径等数据均标于线包上,而不是标于接触器外壳铭牌上,使用时应加以注意。
6ES7331-7PF01-0AB0
140CRP93100
AB1771-P5ENSPP1771P5E
140XCP50000
A06B-0041-B605#S042伺服马达
TSXPLP01
IC200BEM104
A20B-1008-0096
PHOENIXInterbusIBSS7400ETHDSC/I-T2731102
额定电压指主触点额定工作电压,应等于负载的额定电压。一只接触器常规定几个额定电压,同时列出相应的额定电流或控制功率。通常,最大工作电压即为额定电压。常用的额定电压值为220V、380V、660V等。
变频器中也存在一些数值型(如频率、电压等)指令信号的输入,可分为数字输入和模拟输入两种,数字输入多采用变频器面板上的键盘操作和串行接口来设定。模拟输入则通过接线端子由外部给定,通常是通过0~10V/5V 的电压信号或4~20mA的电流信号输入。由于接口电路因输入信号而异,必须根据变频器的输入阻抗选择PLC的输出模块
如我厂铝电解车间环境恶劣,高粉尘、高温(夏季厂房上部气温高达56℃)、高氧化铝粉尘、氟化氢腐蚀气体使多功能天车上变频器内电路板易积尘、风扇粘死、电子器件老化迅速、GTR(或IGBT模块过热烧坏,故经常出现过热保护,特别是在夏季,这种现象更加频繁,而且模块烧坏率很高,即使进口机型(如Siemens、senken、fuji等)情况也是如此。为解决这个问题,我们通过加大天车上使用变频器容量,才初步降低了变频器的故障率和报废率,但效果并不理想。
JustekJTD321DSP-based
140DDO84300
SANYO伺服电机P10B18350BXS20
2711P-B6M5D
DSQC331
AllenBradley2711-NM24|PanelviewMemoryCard
GEFANUCHE693STP111
KPS-600/20-ESC
6ES5095-8MA02
3HNA008880-001CABLESIB.X1-MIB.X2
YOKOGAWADCSCENTUM-XL用HDD
DELTA603672-109
505TADAB505TAD
1746-IM16
30732037-001
MOD1/1X210-082
MVME167-031A价格
1775-WA
Dresser-Rand574-331-404B001(全球涡轮设备解决方案提供商)
安川伺服驱动器SGDV-120A11AY804AA
3HNA015611-001DRIVESHAFT
SC5203BSE003816R1SE04514157SC520,3BSC980008R113CS513
3300/55-07-03-04-04-00-00-02-02
IC200CPU001LT
GEIC660EBD020T1
140G-K-MTL63
XBTFC084510
140CRP93100
2711P-B12C15A1
7KE6000-8GA00-0AB.
GUARDMASTER LTD 440K-T11090 USPP 440KT11090
MOELLEREBE295.1-3
PS30/135I
AB20-HIM-A3配件
IC697VAL304
XBTZ948
NEWALLENBRADLEY1747-SCNRCONTROLNETSCANNER1747SCNR
P0902XAFBM41
ABB机器人模块型号:DSQC223订货号:YB560103-AL
FBM207b电缆P0916FJ
3HAC020817-001
IEPAF01低价销售贝利模块
3HNA002135-001COOLINGUNITSK3302.100
TSXSCPCU4530
GE软启动器AstatPlus控制盒
ASW955-012
531X170TBSAGG1
ABBDSQC352A3HNE0009-1/111
RAC2.1-250-380-AP0-W1
1336F-AQF10-AE-EN
HNK01.1A-A075-E0050-A-500-NNNNR911305935
MVME2301-900
6ES5457-8EA12
2711E-T14C6
7MC3061-1AB10
ModiconAS-M484-100?
安川SGDMA3ADA
FBM39【FOXBORO】
140CPS11420C
NPSM01贝利模块低价销售
AS-B984-100C
1747-L542
IC693ACC316
140CPU11303
LMC211AE-MM7
IC693CPU374
Allenbradley550panelviewLEDbacklight2711
1492-WD6
IC200MDL940LT
PC-TIO-10181197-01REV
6SE7031-7EE85-0AA0(C98043-A1691-L1-11/6SE7036-0EF85-0EA0)
3HNE08646-1CABLEAC-AM
ALLENBRADLEY1756-L62SERIESB1756L622008
3DDE-300-4001
SNAP-UP1-M64
K0200MCWP70SWMediaDistKit(V6.x)
TSXCBY1000
1756-IR6I/A
编号Cat.descrtptionPartNO
6ES7153-1AA0S7-300
2711-K6C5L1
ALLENBRADLEY2711-T10C1L1USPP2711T10C1L1
AllenBradleyPLC2711-B6C20L1SeriesBOPERATOR
3HAC039383-001Wirefeederchassis4-wheel
2711-K6C10
1336F-A015-AA-EN-HCS1-L4
BoschServodynASM50-TA50A053060-109(Nr.1)
ABBDSMB133/57360001-CY/DSMB-133
2711C-T6C
3HAWL000011RACK_Atlanta_L=200,module3
SIEMENSFUM2806DP1280-8AA
2711P-K4M3A
140ERT85410
6ES7313-6BF03-0AB0
MDX60B0005-5A3-4
3HAC020847-001
SGMRS-06A2B-YR11
CSH01.2C-NN-ENS-NNN-CCD-NN-S-NN-FWR911315734
西门子1FT6034-4AK71-3AH0伺服
1336F-A015-AN-EN
XF825A霍尼韦尔模块
7MH4106-6AA01
AllenBradleyMicroLogix12001762-IF41762-1F4Analog
AllenBradleyAnalogOutputModule,#1771-OFE1
3502E
A860-0309-T302发那科
6ES7357-4BH13-4AE0
MSMA011A1E松下
NSDMRE-G128SP062FAC
R3-RS8S模块
P0170PU??
步进电机控制模块IM481H(进口)-3
VDIF20012
ALLENBRADLEY2711-B6C20SER.CREV.AFRN.4.44
ALLENBRADLEY800MR-N159RNSFP800MRN159R
MR-J2S-100CP-S084
西门子440系列光纤通信板A5E00453505
P0998CCAW51B1CP40BundledSolution-240Vac
IC693PWR322LT
倍加福RL28-8-H-2000-IR/47/105开关
ABBIMDSO141
6SN1118-0DH23-0AA1
REXROTHHD503.2-W100N
FANUC法那克A16B-2203-0073/02A1
Allen-Bradley2711-T6C8L1PanelView600ColorTouch,DH+/RS-232,DC
140CPS41400C
FBM39【FOXBORO】
140G-H15C4-C20
10006/2/1霍尼韦尔
140CRA93100
XPEWHT-L1-4B0-Q5xCREELTD
7KD2011-8AB
3HNP01068-1O-RING
AllenBradley2711P-T7C4D6PanelviewPlus7007"Touch!WOW!
GEVMIVME-31222
【125800-01】本特利
170ADO74050
6ES5463-4UB12
ABBQHFT-200F线路板2块
P0918TRDCSFBM,WRT03A
122-0275-001
1489-A2C400
6SE7031-7EE85-0AA0(C98043-A1691-L1-11/6SE7036-0EF85-0EA0)
IC693CPU313CA
7KC9402-8DA10
140CPS21400
DSQC358E
Bently3000000081802
A20B-0007-0361/04A
140DAM59000C
R3-PS3-L模块
3HAB3310-1Cablepos.indicatorax.1
HE693THM809
6ES7340-1CH00-0AE
1785-L26B/CAllenBradleyPLC1785L26BG256
BDS4A-255J-0014
1ALLENBRADLEY1732D-IB8M8DEVICENETSER.AP01A
VDIA-50150V
AB160-BA04NSF1-P?1NSFP160BA04NSF1P1
ABB4911004-5081
1756-IA16
DAVCDIGITALCONTROLLER
ND63F120
IC200UEX214
3HAC026253-001
ALLENBRADLEY1760-CBL-PC02FNFP1760CBLPC02
FBM242
3HNA012389-001STUFFINGBOXTOOL
AB1336-PB-SP2B/74101-502-51
3HAC032049-001AirConnector
YMF715F-SYamaha
IC693ACC334
IC200ALG260
DDSCR-U84-24
西门子6AV6542-0BB15-2AX01#
HoneywellTC-IAH1611
2711-K6C2
3HNA008165-001GEARBOX
1747-SN
1756-PA75R
6SC9421-0BA02板卡
A06B-0063-B103
140CPU65150
IC756WRE049E-27
HAS01.1-350-072-MN/R911306626
3HNM03565-1FRONTCOVER,PAINTED
16135-21-2
6FC5357-0BA33-1AE0
MVME110-1供应商
K0200DQPW-FBMaintReleaseSWPkg
MOTOROLA摩托罗拉MVME117A1
6SM37M-6000-09
Lexium17SHP伺服驱动MHDS1112N00
MoogD633-255AR16KO1M0N6M2
3HNM12924-1PROTECTIONTUBE
1746-OW16
2711-T9C1ALLENBRADLEYPANELVIEW900
SR051600002416250480111A04+SR05200018516250460116A11
IC693MDL655H
140CPS21100
MCF41A0300-203-4-0T08274711
140CPU65150
6DR2100-5
西门子PLC6ES7216-2BD00-0XB0
46CL7004X1-A1IACDIOMODULE1
AB1746-P2模块
YB560103-BN
3410019I/Orackfornon-redundantI/Oconfigurations
140DDI15310
AB1756-OW16I模块
6ES5482-8MA13
3HAA2293-11Needlerollerbearing
1746-NO4I
三菱系统QX084B
6ES7407-0KA01-0AA
IC693PCM301L????
AB1203-GD1I/OCommunicationModuleWOW
1756-IF16
6ES7322-1BH01-0AA0
FI820F
AB1785-L80ESERE1785L80E
3HAW108201422LiftingthreadedblockM60x2,
WP115VEGW-CAKINGBRIGHT
1336-WC035
IC697MDL750
EMERSONDeltaVKJ4001X1-CA1
9175NEWAllen-Bradley2711E-T14C6XPanelView1400e
AM-0984-Q30
140DAI75300施耐德模块
4944026-5
103S-HTDJ2-GC63C-KN
MDS60A0220-203-4-000827276X
IC647PCSRTOPMB010
ABB-E4S4000灭弧罩
1C31127G01
SIEMENS 6EV5-000-1BC NSFP 6EV50001BC
6ES7313-1AD02-0AB0
西门子6ES5465-4UA12
2711P-B6M3A
A06B-6058-H102
AllenBradleyPanelviewPlus2711P-RN15S/B2711PRN15S
MDD112D-N030-N2M-130GA0
西门子板卡
140CPS11420
6ES5252-3AA13
USAPEM-07YR11
1492-SP3D500
50999-2145R10日本川崎板卡
MannesmannRexrothCoverPlateBlockValve0045779R03
1336F-AQF07-AE-IT
AllenBradley2711-KC1PanelViewTerminalSeriesD
SPRECHER+SCHUHCA7-PACA7-PA接触器
TTB2-42356-1010-DA
1756-OB16I
IS215UCVEM06A
E3R032133EXCH.TEACHHANDLETR-5000/510
1336F-B025-AA-DE
AS-B804-116
P0999ZRAW51BToAW70B(Nodebus)AdvUpgradeLic
7MH7724-1BG
三星PLCCPL9631
GEMultilinD30E00HCHF8FH6CM6DPXXUXXWXX
TPMXP57202M
GEFANUCIC697CPU782-JD
7ME3950-3LU21
p0916CA
3HAC020813-139
109-468-320
AllenBradley2711-T5A8L1REPLACEMENTLEDBACKLIGHTKIT
1FK701-5AY81-1SH3-Z
A80L-0026-0010
140ACI03000
NKTU11-13低价销售ABBBailey
沈阳PLC控制器1769-PA4/APLC控制器
*NEWSEALED*AllenBradley2711-B5A8/HPanelView550Mono/Touch/Key?/DH+/RS-232
140CPS21400
6DP1230-8CC
TSXCDP053
60DAYSWARRANTY!Logix5563ProcessWith8MbMemory
CI592-CS31
1784-PKTXD/BAllenBradley1784PKTXDN395
3A98826H06TrackballSUNTrackball3
IC697MDL750
HakkoV606M10
1756-IF16
KUKADSE-IBSC33-1.401
IC693MDL931
PCI-2427A
IC647TMS001
Sieger05701-A-0361卡件
2711-NM232
DSPC172H
施耐德TSXDMZ28DR
Honeywell-TC-OAV081
ALLENBRADLEY2711-K9A1SERD2711K9A1PANELVIEW900
1485T-P1E4-B3
IC693ALG442CA
PFEIFFEREVR116EVR1161
GSK3LB
BoschCNCPS200PowerSupply052910PE2189/01
3HAW050008612-0156ResolversStaticXS41-2
TSX08HMRUNCAB
JANCD-JCP05-1
1783-MS10T
10XABAllenBradleyCarbonCompResistors2W150K!
AB,1794-IRT8Module
3HNA000695-001RINGFORMOUNTINGPLATE
TSXCDP102
140DDI67300
6AR1312-0AA01-0AA0供应商
3HAC020847-001
3HNA014548-001SETOFCONNECTORFORK
6FC5500-0BA00-0AA0
1756-L55M16
TC-MUX021
975750000
3503E
FBM207C
SIEMENS6GK1143-0TB011
6SN1111-0AB00-0AA0价格
140DAO84000
MAC090C-0-KD-4C-110-A-0-W1520-S01
1756-PA72
ABB07KT98H3GJR5253100R0278
TOYOPUC丰田工机PLC输出模块(晶体管型)OUT-18THK-2753
AllenBradleyAB2706-NC12ProgrammingCableNIBNEW
SDCS-FIS-31
1485PS-P8R5-C2
1A54289G06MMIOPRMMIMOD4A1
3HNM04468-1GUN-ATTACHMENT
3HAC020869-0013HAC020801-001
FBM242电缆P0916FJ
700-PK400A1
Hollysys和利时电源模块FM191/FM191A-A
P0902SLPWOrPW-NBProcessorUnit(220Vac)
7NG3032-0JN00
VT-SWKD-1-1X,
AB592-JOV16继电器
FBM2011卓凯电子0591-621825201B30023H021
SIEMENS6ES7235-0KD22-0XA8模块
VMICVMIVME2511
6FC5357-0BA11-0AE0
PROSOFT1100-MBM
AllenBradley2711-K6C1/C|PanelView600*NNB*
PS7402PS740.9
VDI67B23001002
140NOM21100C
P0912KASerialToParallelConverter
3HNA013939-001CYLINDRICALGEARWHEEL
WESTINGHOUSE2840A21G01
安川伺服驱动器SGDM-A5ADA
7ME3950-1LL20
1746-A10
XPEROY-L1-D30-15CREELTD
RELIANCEELECTRIC57401-1B/D-2716
IC660MLA021
USAGED-13-MU11
IC693PWR331超值特价
西门子plc6ES7231-7PB22-0XA0
DSQC236G
80190-640-02-R
MR-E-10A-KH003+HF-KN13BJ-S100
TSXIBICPDD9010
1756-IF16
1785-L40E
HONEYWELL霍尼韦尔模块型号:TC-CCR013
SCHNEIDER(施耐德)140XBE1000026
3HAC020813-014
E503232880POWERSOURCE
USADED-22YR33
140DDI35300
IC697ACC803
AllenBradley2711-T10G3Panelview1000
IC647NCA000
BDS4A-255J/807A2
ALLENBRADLEY2112B-BDBD-24R-?98USPP2112BBDBD24R98
AB1784-PCM5/BCommunicationCableREAD60DAYSQTY
3HNA009400-001GASKET
MTR-3T44-H-R-0-M-0RR
NIBAllenBradley2711P-T10C4D1PanelviewPlus1000
1746-OB16E
2711-K5A1L3
AB1785-L30B/E
INDRAMATTRANS-01
490RIO00406
Bently8415701
RexrothFWA-PPcr0*-SY*-08VRS-MS-T2?
AB1747-L543/CSLC500SLC5/04ProcessorFRN11MFG2011QTY
1SAP170400R0201
NEWINBOX!AllenBradley802T-Z-18210OperatingHead
3HAC040021-006Screw,M16x530
PANAMETRICSXMO2
5437100
IS200TBAOH1A
TSXDEZ08A5
170ADM69050
3HAC039026-002ConnectorofSpiraltubeBVND-M638GT
1756-DNB
SGMG-03A2A-MN21
FBM207b
TSXFPACC12
7ND9001-8AK
西门子C98043-A1601-L1-16
CACR-IR20SB
AB1756-L631
SMCZSB-01-24ZSB0124VacuumSwitch
6FX1121-2BA03西门子板卡
6ES7215-2AD00-0XB
5136-PFB
OMRONCPM2C-20C1DTC-DNSFPCPM2C20C1DTCD
ABB直流控制器触发板PG6310
MDD093A-N-030-N2L-110GAO
7KE3113-0BC11-5VW1
AllenBradleyCompactLogixDeviceNet1769-ADNSerB
140DDO36400C
DS200LDCCH1ALA
RLX-FHSRLX-FHS-US
6ES7921-3AD00-0AA
IC647TJT000
DSQC259
1336F-MCB-SP2M
AS-BADU-205
OMRONE2E-X2D1-M1USPPE2EX2D1M1
505TADAB505TAD
3HNA003102-001HOSE4x6FEP,TRSP
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