加工定制是 | 品牌ABB |
型号TC514V2(3BSE013281R1) | 工作电压240V |
输出频率1000kHz |
abb tc514v2(3bse013281r1)
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1、通信的确定性
工业控制网络不同于普通数据网络的特点在于它必须满足控制作用对实时性的要求,即信号传输要足够快和满足信号的确定性。实时控制往往要求对某些变量的数据准确定时刷新。由于以太网采用csma/cd方式,网络负荷较大时,网络传输的不确定性不能满足工业控制的实时要求,故传统以太网技术难以满足控制系统要求准确定时通信的实时性要求,一直被视为“非确定性”的网络。
2、通信的实时性
在工业控制系统中,实时可定义为系统对某事件的反应时间的可测性。也就是说,在一个事件发生后,系统必须在一个可以准确预见的时间范围内做出反映。然而,工业上对数据的传递的实时性要求十分严格,往往数据的更新是在数十ms内完成的。而同样由于以太网存在的csma/cd机制,当发生冲突的时候,就得重发数据,***多可以尝试16次之多。很明显这种解决冲突的机制是以付出时间为代价的。而且一但出现掉线,那怕是仅仅几秒种的时间,就有可能造成整个生产的停止甚至是设备,人身安全事故。
3、高稳定性与可靠性
传统的以太网在设计之初并不是为工业应用而设计的,没有考虑工业现场环境的恶劣的工况,严重的线间干扰以及机械、气候、尘埃等条件的恶劣,而且以太网的抗干扰(emi)性能非常差,应用于危险场合时,不具备本质安全性能。因此对设备的工业可靠性提出了更高的要求。同时在生产环境中工业网络必须具备较好的可靠性,可恢复性,以及可维护性。即保证一个网络系统中任何组件发生故障时,不会导致应用程序,操作系统,甚至网络系统的崩溃和瘫痪。
4、安全性
在工业生产过程中,很多现场不可避免地存在易燃、易爆或有毒气体等,对应用于这些工业现场的智能装置以及通信设备,都必须采取一定的防爆技术措施来保证工业现场的安全生产。在目前技术条件下,对以太网系统采用隔爆、防爆的措施比较可行,即通过对ethernet现场设备采取增安、气密、浇封等隔爆措施,使现场设备本身的故障产生的点火能量不外泄,以保证系统运行的安全性。对于没有严格的本安要求的非危险场合,则可以不考虑复杂的防爆措施。(今天的转发暗号:亿维公司口号:信赖,源自品质;信任,铸就品牌)
gould shawmut amp-trap 500a type-4 fuse a50p500
ferraz shawmut 125a amp trap 200 dual element time delay fuse ajt125 *lot of 3*
bussmann 125a 150v semiconductor fuse fwa
littelfuse 30a 75-600vac indicator fuse lot of 3 llsrk 30 id 100871
bussmann kaa-200 tron rectifier fuse, lot of 5, nib
bussmann 700v 32amps fuses 10 in box fwp-32a22f 104017
buss tron kab 100 rectifier fuse, lot of 3
buss fuse holder h60060-3cr nnb
allen bradley 100a 600v 3 pole disconnect switch fuseholder 40023-418-01
allen bradley bulletin 700-n5 surge suppressor nib
buss fuses abc-15
bussmann 200a 250v single pole fuseholder r25200-1cr
bussmann lps-rk-10sp low-peak dual-element time-delay fuse, lot of 11, nnb
fusetron fna-2, 125v or less, lots of 12
buss 600v 30a 3-pole class j fuseholder j60030-3cor
siemens 2.4/4.8kv ac 50/60hz current limit fuse 48fm9r-4g
bussmann jcl-4ra, medium volt motor fuse, 130a nib-sealed
general electric 9f60bbd001 fuse type ej-1 60hz nib
fusetron fnm-20, 32 v fuse, lots of 12
bussmann low-peak lp-cc-3, class cc 600v fuse, nnb- lot of 3
bussmann denmark 170 n 2107, 16a 600v fuse, lot of 4
ferraz shawmut 600v 30a 3 pole ultrasafe fuseholder us3j3i k214967
gould shawmut amp-trap 2000 ajt25, class j 25a 600v fuse, lot of 6
bussmann 600v 1a super-lag renewal fuse links, lks 1, nib lot of 100
marathon 2-pole 250v 30a fuse holder 78089-b / 4600402 / r30a2sp
jean miller 100a-ar 660v fuse vde0636/23 *lot of 3*
bussmann 70a semiconductor fuse fwh-70a nib
bussmann low-peak lpj-80sp, class j 600v type d fuse, lots of 3 nib
fusetron dual element fuse class k9 lot of 4 frs 200
bussmann fusetron 400a 600vac 300vdc dual element time delay fuse frs-r-400 *new
gould shawmut amp-trap 2000 35a 600vac fuse lot of 3 ajt35 100203
littelfuse slo-blo 35a 600vac fuse lot of 3 flsr-35 100886
buss-fusetron, frs 45, 600v ,lots 0f 3
bussmann fwh-50 , 50a 500v ac/dc, lots of 3
shawmut gould 175 amps 600v type 4k fuse lot of 4 a60x175
cutler-hammer 200(9r)-amp 5.08kv current limiting fuse 5acls-9r nib
gould shawmut amp-trap a50p70 type 4 70amp, 500v, nib - box of 12
buss class r fuseholder r60030-2cr lot of 2
bussmann fusetron frs-r-40, energy efficient 0 600v class rk5, nnb - lot of 5
bussmann 125amp low-peak dual-element time-delay fuse lpn-rk-125sp *lot of 3*
gould shawmut amp-trap a50p200, type 4 200amp 500v or less, lot of 3
buss fuses agc 25
bussmann 600vac 300vdc 6a cubefuse, tcf6
bussman kac-60 600v rectifier fuse, lot of 10, nib
gould shawmut time delay fuse lot of 2 trs 35r
buss mixed lot of 600vac 30a fuse holders chm1 & chm21 *lot of 1 each*
allen bradley 3 pole fuse holder f-15232
ferraz shawmut amp-trap 15a 600v fuse nib, 10 in box a4j15
buss-fusetron, frs-125, class k9 600v fuse, lots of 3
bussmann 900a fuse 170m5876 100276
bussmann fusetron 250v fuse lot of 4 frn-r-40
littelfuse 100a 250vac indicator fuse lot of 2 flnr 100 id 100890
weidmuller 690v 32a 2-pole fuse holder 7940029427 *lot of 2*
cuttler hammer 15cle3-150e, 15.5max kv 150e amp
gould shawmut trs15r, 15a, 600v tri-onic fuse, lots of 6
limitron kts-r 400 fuse, nnb
littelfuse powr-gard 15a 600vac fuse lot of 2 flsr 15 100846
allen bradley 400a 600v 3 pole trailer fuse block 1494v-fs400 ser. a
bryant ceriamic fuse holders 3937
buss fuse agc 20
ferraz protistor fuse a050f300, 500v fuse, lot of 3
littelfuse jtd 150 id , indicator 500v class j fuse, lots of 3
bussmann 10a low peak dual element time delay fuse lps-rk-10sp *lot of 6*
gould * fuseblock 600v 30a * 60318j
weidmuller 690v 32a single pole fuse holder 1966060000 *lot of 5*
gould shawmut one time fuse lot of 4 ots60
gould shawmut amp trap a4bx200
westinghouse 2375/5.5kv 130a fuse cls-12 / 449d597g06
bussmann fusetron 40a 600vac fuse lot of 2 frs-r-40 101908
nh-sicherungsei?nsatz hrc-fuse cartridge, 40a, lot of 3
bussmann fwp-20a14fa - 700v 20a fuse, lots of 3
gould shawmut 600v 30a 2-pole class r fuseholder 60328r *lot of 2*
bussmann 125a 150v semiconductor fuse fwa nib
buss 35-60amp fuseholder lot of 5 jtn60060 100974
littelfuse powr-safe class j 60a amp 3p 600v-ac fuse holder lpsj60-3id
shawmut amp-trap 5.08kv a051b3dar0-57x / allen bradley 80025-296-11
connectron * 600v 30a fuse holder * 633-11
littelfuse 80a 600vac indicator fuse jtd 80 id 100884
littelfuse 313, 700ma 250v glass slow-bl0 fuse, nnb- lot of 5
bussmann fwx-125a, 250v semiconductor fuse, nib
littlefuse flsr 45 45 amp powr-gard, class rk5, fuse, lot of 26, nnb
bussmann fusetron 4a class k9 dual-element fuse frs 4
bussman 300 volts buss type sc fused two sc23 lot of 2
econ fuse 60amps 600v ecs 60
bussmann 600v 100a super-lag renewal fuse links, lks 100, nib lot of 10
gould shawmut trs400r , 400 amp time delay fuse, lots of 1
gould shawmut amp-trap 2400/4800v 9r current limiting fuse a480r9r-1 103443
gould shawmut tri-onic tr200, 250v or less 200amp fuse, lot of 3
buss-fusetron, frs-r-90 , 600v fuse, lot of 3
tron rectifier fuse kbh-200, 500v fuse ,lots of 3
littelfuse 75-600vac indicator fuse flsr 60 id *lot of 3*
buss-limitron jks 50, 600v class j fuse , lots of 3
bussmann fusetron dual element fuse lot of 3 frn 70
gould shawmut 60a amp-trap fuse a70p60 *lot of 3*
eco one time fpe fuse 200a, 250v , nib
buss 600v low-peak time-delay fuse lot of 3 lpj-15sp
gould shawmut time delay dual element fuse lot of 5 trs 20
bussmann fusetron frs-r-400 600 volts 400 amps class rk5 time delay fuse, nib
bussmann low-peak lpj-400sp , class j type d 600v fuse, nib lot of 2
bussmann 250a 150v semiconductor fuse fwa nib
bussmann 600v 30a 2-pole fuse holder, bm6032pq series bm
allen bradley 30 amps 600 volts fuse holder x-401978
gould shawmut a4bx400 type 150j 600 vac 400 amps
eaton cutler-hammer 5.08kv 150(5r)-amp fuse 5acls-5r
bussmann low-peak lpj-400sp, class j type d 400a, 600v fuse, lot of 3
ferraz shawmut fuse 450a 600v dual element time delay a6d45or
gould shawmut amp-trap 100a type-4 fuse a50p100
fusetron time delay fuse frs-r 400
gould shawmut tr200r 200a, 250v , nib
westinghouse 5.08kv 130a(4r) fuse cls-12 / 449d597g04
cooper bussmann low-peak 350a fuse nib lpj-350sp 101805
bussmann 30a 600v 3 pole fuseholder r60030-3sr *lot of 3*
ferraz shawmut trionic 10a 600vac/dc time delay fuse trs10r
bussman low-peak class rk 600vac fuse lot of 5 lps-rk-15sp
bussman / cooper 2621 class h fuse reducer, nib
bussmann fusetron frs-25 600v 25 amps dual element time delay fuse, lot of 3
westinghouse 5.08kv 390(18r)amp motor circuit current limiting fuse 5clsa-18r
ferraz shawmut amp-trap 100a 500v form-101 fuse a50qs100-4
gould shawmut 110amp tri onic time delay fuse trs110r *lot of 2*
bussmann lpn-rk-150sp class rk1 250 vac/vdc dual-element time-delay fuse, nnb
fusetron fna-10, 125v fuse, lots of 12
gould shawmut amp-trap 100a 250vac fuse lot of 2 a2k100r
buss nos 100 one time fuse, 600v , lots of 2
weidmuller 600v 30a 2-pole fuse holder 7940029947
bussmann low-peak 600vac 125a fuse lpj-125spi
bussmann 250v 10a super-lag renewal fuse links, lkn 10, nib lot of 100
gould shawmut 600v 30a 3-pole class r fuseholder 60308r *lot of 3*
gould shawmut amp-trap 2000 600vac 20a fuse lot of 5 ajt20 100198
bussmann fusetron 6amp dual element fuse fna-6 *lot of 15*
bussman 600vac low peak dual element time delay lot of 4 lps-rk-20sp
buss 600 vac 30 amp fuse block r60030-2cor
gould shawmut amptrap 601a form 480 fuse a4by601
gould shawmut * fuse holder 600v lot of 2 * 60306j
buss 100-60a 250v fuse reducers 216 nib
bussmann 400a 700v semitron fuse 170m3619
littlefuse 12a 75-600vac indicator fuse lot of 2 flsr 12 id
limitron ktk-30 midget type fuse, 600v, lots of 7
bussmann 250v 70a super-lag renewal fuse links, lkn 70, nib lot of 10
bussmann lpj-25sp, class j type d 600v fuse, lots of 6
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