WOODHEAD SST-DN3-PCI-2 DN3-PCI-1-E
WOODHEAD SST-DN3-PCI-2 DN3-PCI-1-E
用PLC实现对系统的控制是非常方便的。这是因为:首先PLC控制逻辑的建立是程序,用程序代替硬件接线。编程序比接线,更改程序比更改接线,当然要方便得多!
其次PLC的硬件是高度集成化的,已集成为种种小型化的模块。而且,这些模块是配套的,已实现了系列化与规格化。种种控制系统所需的模块,PLC厂家多有现货供应,市场上即可购得。所以,硬件系统配置与建造也非常方便。
正因如此,用可编程序控制器才有这个"可"字。对软件讲,它的程序可编,也不难编。对硬件讲,它的配置可变,而且也易于变。
具体地讲,PLC有五个方面的方便:
(1)配置方便:可接控制系统的需要确定要使用哪家的PLC,那种类型的,用什么模块,要多少模块,确定后,到市场上定货购买即可。
(2)安装方便:PLC硬件安装简单,组装容易。外部接线有接线器,接线简单,而且一次接好后,更换模块时,把接线器安装到新模块上即可,都不必再接线。内部什么线都不要接,只要作些必要的DIP开关设定或软件设定,以及编制好用户程序就可工作。
(3)编程方便:PLC内部虽然没有什么实际的继电器、时间继电器、计数器,但它通过程序(软件)与系统内存,这些器件却实实在在地存在着。其数量之多是继电器控制系统难以想象的。即使是小型的PLC,内部继电器数都可以千计,时间继电器、计数也以百计。而且,这些继电器的接点可无限次地使用。PLC内部逻辑器件之多,用户用起来已不感到有什么限制。唯一考虑的只是入出点。而这个内部入出点即使用得再多,也无关紧要。大型PLC的控制点数可达万点以上,哪有那么大的现实系统?若实在不够,还可联网进行控制,不受什么限制。PLC的指令系统也非常丰富,可毫不困难地实现种种开关量,以及模拟量的控制。PLC还有存储数据的内存区,可存储控制过程的所有要保存的信息。……总之,由于PLC功能之强,发挥其在控制系统的作用,所受的限制已不是PLC本身,而是人们的想象力,或与其配套的其它硬件设施了。
PLC的外设很丰富,编程器种类很多,用起来都较方便,还有数据监控器,可监控PLC的工作。使用PLC的软件也很多,不仅可用类似于继电电路设计的梯形图语言,有的还可用BASIC语言、C语言,以至于自然语言。这些也为PLC编程提供了方便。
PLC的程序也便于存储、移植及再使用。某定型产品用的PLC的程序完善之后,凡这种产品都可使用。生产一台,拷贝一份即可。这比起继电器电路台台设备都要接线、调试,要省事及简单得多。
Schneider Clipsal L 5504 rvfp
140ddi36400
Bently Nevada 200200
HIOKI 3151
140482-01
HDL sb-dn-ps750
tps1020025a
w16343
t30-1
Extech mg302
Bently Nevada vorübergehende Data Interface Modul 146031-01
ABB REF 543
Central Digital Tegui/3750 06
f1di1601
Bosch prs-1aip1
820fr
HDL dc24v/750ma hdl-msp750.231
140471-01
Gebrauchte ABB lss1/2
Gebrauchte Intesisbox-bac-knx-100
wx17475
380/415/440v
Honeywell Modul tk_s014/TK s014
Schneider Electric 59707 mms020/59731/59709
Schneider Electric ace850tp
WIKA dg-10-e
Tu508-eth ABB 1sap21400r0001
ABB 8103-500
Bachmann mpc270 128
Allen Bradley 1747-l514
dm3210
3705kc
Solectron Texas 1394 OHCI 403
Festo CMMS-as-c4-3a-g2
128240-01
Tecnoelettra Steuermodul TE 804
EPM 300c
Schneider Electric XPS mf40/xpsmf 4002
ABB 1sda073697r1/q0161w09b
Endress + Hauser 50108841 lf-8ch3717
Schneider us727h
ABB 3bse013208r1 tb820v2
Comar condensatori bmr12/12
3-za40a est P/N 140251
ABB b24 112-100
EKS iol-3000/rx-8d-13-sm-st-l
7me35001fa300aa1/1
7me35002fa300aa1/2
Mitrol cdo202
Danfoss 131l9862
Eurotherm 2404
VMT 26914015 Industrie PC 34002221
IFM cr0020
Baelz WBS 164
Endress + Hauser rms621
Siemens pxc12
ABB 96-2cca880700r0001
1saj50000r0600
lv432523
Bihl Wiedemann bwu1777 AS-i 3.0
Megger lcr131
p/n738-5005
727-5035
mtn647091
hst-s-160
Lutron qsne - 4s10-d
Hanna Instruments HI 2211
Schneider Electric bmxnoe0100h
Bently Nevada 3500/42 Relaismodul 140471-01
Bently Nevada 125800-01
Clipsal l5504rvf20
Siemens fcm7204-z3
ABB 2cdg 110 062 r0011
ABB 2cdg 110 064 r0011
Hitachi Control Board P/N 731-5020
ABB fcm2000
mtn630719-KNX
Siemens 6sl3055-0aa00-4ca5
ABB 1tne968902r1201
GE 469-p1-lo-a20-t
140ddi36400
Schneider Electric mtn684016
Neue Modicon stbcps 2111k
Comar condensatori bmr12/12
2026b31
e485
ABB 8106-600
cem-394v-0
Neue Grundfos 9644367
Vega Vegamet 381 met381.xx
Circutor Amk-ITF CPU/400v
Yokogawa spw482-13-s1
731-5019
Hitachi 232 distb Control Board P/N 731-5019
Hitachi di-n Control Board P/N 738-5017
Hitachi usr2 Control Board P/N 724-5021
ABB m102-m
Siemens paa10.03-070/v07.34
Neue TCB/f7.820.1314v1
Danfoss 13087002 at-08
Schneider stbnip 2212
Emerson m820d
380/415vac 3n-2017-w15-5
Bently Nevada 3500/32 Relaismodul 125712-01 L
Bently Nevada 125768-01
York 025l02408-000
Mtn649212
Jung Funk-Wandsender flach 4-kanalig flach ferngesteuerte LS 44
Hitachi d03 Control Board P/N 741-5033
ABB SPS ss832/3bsc610068r1
Eaton ds7-34dsx007n0-d
Siemens qfa2060
Dr?ger X-am 7000
ABB 2cdg 110 065 r0011
Siemens afi5100 Steuerung Steuerger?t 6fl7820-8cb10
Siemens b3q 660
Siemens 640ma - 5wg1 125-1ab22
Schenck FEM l001/f201007.01
Furse-esp415cd40
Schneider abe7 r16s210
Schneider Electric ccm Modbus 33110
Schneider vip35/03143046fa
Gebrauchte ABB ao820 3bse008546r1
ABB 2cdg 110 063 r0011
q68td-g-h01
Bosch bt090
Gebrauchte Distech Controls ecc-401
Or 1mrk 002614-aa/1mrk002614aa
bmxp3420102cl
mtn663991
Eaton iLight SCMR 1232
Schneider Electric GVAS 225
SELCO t2000 ?hnlich Relais t2000-00
727-5049
ABB gf3030
Terasaki ein-651
Hitachi Dist-Com Control Board PN 727-5056
Gebrauchte Seira LC 18080/2
Star-Box f01
Logem LGH 28.8d1
Mitrol cdb2020
A054873 ABB kt5s2
GE 469-p1-lo-a20-t
Hitachi Fuse Control Board P/N 734-5026
Hitachi distia Control Board P/N 731-5041
Endress + Hauser Ersatzteil 71164940
Gantner ISM 108
Eaton snt480cpk
Fx2021n-1/fx20
EX FMU 671
Terasaki erb-112
Siemens pxc001.d
Bently Nevada PWA 144464-01
ABB V/2cdg1110056r0011
Honeywell xfc3a05001
Siemens pxc12.d
Eaton snt1lp12k
gp477r-eg41-24vp
080-ft/1501ftb080
Bender ir474ly-421
GE Fanuc ic200alg320e
Woodward 5466-1156
Schneider easylogic pm2100
Legrand 046 80
1mrk002614car00
1mrk000284abr00
Schneider Electric 140cps22400c
07 KR 240dr1 ABB gjv3 0724 02 r1
GE ic695cpu310-dk
Hitachi do4 Control Board P/N 738-5027
Hitachi Mod-Forts Control Board P/N 738-5002
Hitachi logadc-S Control Board P/N 731-4242
Hitachi mlcont-T Control Board P/N 738-5050
Hengstler Signo 723 Z?hlwerk 0 723 102
Contrec 212
Drager X-am 3000
bmxcps2000
Schneider Electric tm3rdm16r
Endress + Hauser rms621
Allen Bradley 1756-l61
Sticanbridge 2h5 Seriennummer 0028.0935
Tb840a ABB 3bse037760r1
ABB RM/S 1.1 2cdg 110 094 r0011
Power LOGIC pm5300
kt3400tav 315-400
a-800-0113-a
ABB m102-m/1tna920611r0002ipd
Electronikon LAN rs485 1/0/1900 0710 12/12101231553
ABB 1saj622000r0101
Rohde & Schwarz netccu 700 Steuerger?t 2094.0002.02
2c12790g38
Siemens Landis & Staefa nrk16/a
GENT Vigilon 4269-585.02
Esser 804382.d0
Ferrocontrol mag 2 Anin 4 Henford d-32049
ABB DSQC 354 flexible Automation DSQC 354
ABB 07kt97d gjr5253000r0200
Ebx510/comx510
Bently Nevada 125760-01
ace969tp-2/ace969fo-2
Yokogawa sai533-h33
Schneider Electric mtn649212 REG-K 12x230/10
Bently Nevada 3500/25 Asset Zustandsüberwachung PWA 149369-01
Hitachi hcd87r Control Board P/N 275-0818
Schneider Electric stb-nfp-2212
AO 14136 ABB SACE 1sd ao14136 r1
AO 14140 ABB SACE 1sd AO 14140 r1
l5504amp c-bus2
Schneider Electric lt3s00m
ABB 1tne968902r2302
ABB di811 3bse008552r1
Trane PLC ac950623
Delta Ohm HD 2101.1
Circutor lm-24-m
do-fa-12
058-tst2a-f1r1
lp-fx14d21-000c/lpfx14d21000c
mtn649204
Pro-Face 3280024-14 agp3600-t1-d24
CEPL 130386-01
ic697mdl240
vpl12n
COGNEX is5100-00
Siemens c98043-a1400-l4/c98043a1400l4
Siemens pxg3.w200-1
Photom Lichtleiter ID 590d
Bently Nevada 3500/40 Proximitor Modul 126615-01
ur5i v2f
etc-8208-sn12
ABB 1tge120021r0110
Hmigk 5310
ABB 120021r0110
tsx08h04m
t640/Netzteil/422/hi/hi/m002/t710/en
pg210
Jung ES 1561.07
Pepperl + Fuchs WCS Interface Modul 184096
Siemens dxr2.e09t-101a/s55376-c111
ABB SST GmbH mt-40 GATS 1100 91 r0001
Hobart 695 649-2
Neue ltmr 27mbd
Ax561 ABB 1tne968902r1301
ABB AG 1kgt030100r0001
Siemens rxc22.1/230vac
Henf 209637r0005
LOYTEC L-IP Lip -3333 ECTB eia709ip
Schneider Electric LUCAX 6fu TeSys - 036400
Ariston Solar Manager Pro 3024252
ABB 1saj530000r1100
Philips KV resconator 5322 694 14858
Siemens qvm62.1
Keb Combivert 00.f5.060-1000
CE pcb119300-028/mod119306
40dtk
Siemens 3rw3026-1bb04
xfl823a
lad7b106
01n222lt
pc-200062-01-03
Schneider Electric advantys stbnic 2212
ABB 1svr430711r0300
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