1783-ETAP以太网模块
变频器容量的确定
合理的容量选择本身就是一种节能降耗措施。根据现有资料和经验,比较简便的方法有三种:
1)电机实际功率确定发。首先测定电机的实际功率,以此来选用变频器的容量。
2)公式法。当一台变频器用于多台电机时,应满足:至少要考虑一台电动机启动电流的影响,以避免变频器过流跳闸。
3)电机额定电流法变频器。
1783-ETAP以太网模块
低压整流滤波电路的原理是什么?
答:低频脉冲直流电经过二极管整流后,再由电解电容滤波,这样,输出的就是不同电压的稳定的电流了。由于这里电压已经很低了,所以尽管电容容量很大,通常有1000uf、2200uf等,但由于不需要很高的耐压值,所以电容体积很小。
1756-N2模块
1756-A4电源
1783-ETAP以太网模块
6181P-17A2MW71DC触摸屏
Matrox Marvel G200 agp 2x, 8mb videocard,Grafikkart
Matrox MGI 100A/4/CPQ 4MB SCHEDA VIDEO AGP 790-01 REV. A
Matrox Millenium P650 Low Profile PCI Dual Head P65-MDDAP64F 2x DVI + 1x VGA G24
Matrox Millenium P650 Low-Profile PCI Doppio Testa P65-MDDAP64F 2x DVI + 1x VGA
Matrox Millenium P650 Low-Profile PCI Double Tête P65-MDDAP64F 2x DVI + 1x VGA
Matrox Millenium P650 Low-Profile PCI Dual Cabeza P65-MDDAP64F 2x DVI + 1x VGA
MATROX MILLENIUM P650 LOW-PROFILE PCI DUAL HEAD P65-MDDAP64F 2x DVI + 1x VGA G24
MIL2P/8N MATROX MGA-2164WP-C PCI VGA
Office Graphic Card Matrox Mga P650 PCI Low Profile Dual Head P65-MDDAP64F SFF
Passiv Ventilateur de Refroidissement Double Tête 3D Bureau Graphique 2 Monitore
Passiv Ventilateur de Refroidissement Mga Double Tête 3D Carte Graphique Pour 2
Passive Coolers Dual Head 3D Office Graphic Card For 2 Displays Matrox G45+32MB
Passive Coolers Mga Dual Head 3D Graphic Card For 2 Displays Matrox G45 +32MB #
Passivgekühlte Doppio Testa 3D Scheda Per 2 Monitor Matrox G45 + 32MB RAM G20
Passivgekühlte Doppio Testa 3D Scheda Per 2 Monitor Matrox G45+32MB Mga G20
Passivgekühlte Doppio Testa 3D Scheda Per 2 Monitor Matrox Mga G45 32MB RAM G20
Passivgekühlte Double Tête 3D Graphique Pour 2 Monitore Matrox G45+32MB Mga G20
Passivgekühlte Double Tête 3D Graphique Pour 2 Monitore Matrox G45+32MB RAM G20
Passivgekühlte Double Tête 3D Graphique Pour 2 Monitore Matrox Mga G45 32MB RAM
Passivgekühlte Dual Cabeza 3D Gráfica Para 2 Monitor Matrox G45+32MB Mga G20
Passivgekühlte Dual Cabeza 3D Gráfica Para 2 Monitor Matrox G45+32MB RAM G20
Passivgekühlte Dual Cabeza 3D Gráfica Para 2 Monitor Matrox Mga G45 32MB RAM G20
PASSIVGEKüHLTE DUAL HEAD 3D GRAFIKKARTE F.2 MONITORE MATROX MGA G45 32MB RAM G20
PASSIVGEKüHLTE DUAL HEAD 3D GRAFIKKARTE FüR 2 MONITORE MATROX G45+ 32MB MGA G20
Passivgekühlte Dual Head 3D Graphic Card For 2 Displays Matrox G45 +32MB Mga G20
Passivgekühlte Dual Head 3D Graphic Card For 2 Displays Matrox Mga G45 32MB RAM