2)對(duì)于容性負(fù)載,應(yīng)在信號(hào)輸出負(fù)載線路中串聯(lián)限流電阻。電阻阻值應(yīng)確保負(fù)載承受的瞬時(shí)電流和電壓被限制在額定值內(nèi)。
4)當(dāng)被驅(qū)動(dòng)負(fù)載是電磁開關(guān)、電磁離合器、電磁閥線圈等交流負(fù)載,或雖是直流負(fù)載,但工作電壓或工作電流超過輸出信號(hào)的工作范圍時(shí),應(yīng)先用輸出信號(hào)驅(qū)動(dòng)小型中間繼電器(一般工作電壓+24v),然后用它們的觸點(diǎn)接通強(qiáng)電線路的功率繼電器或直接去激勵(lì)這些負(fù)載(見圖1)。當(dāng)然,如果所用plc裝置本身具有交流輸入、輸出信號(hào)接口,或有用于直流大負(fù)載驅(qū)動(dòng)的專用接口時(shí),輸出信號(hào)就不必經(jīng)中間繼電器過渡,即可以直接驅(qū)動(dòng)負(fù)載器件。
siemens masterdrives 6se7015-0ep50-z 6se7 015-0ep50-z mod.-nr. z=c23 e: h -used-
siemens masterdrives 6se7015-0ep50-z 6se7015-0ep50-z mod.-nr. z=c23 e: e -used-
siemens masterdrives 6se7015-0ep50-z, 6se7 015-0ep50-z
siemens masterdrives 6se7015-0ep50-z, 6se7 015-0ep50-z
siemens masterdrives 6se7015-0ep50-z, 6se7 015-0ep50-z
siemens masterdrives 6se7015-0ep50-z, 6se7 015-0ep50-z
siemens masterdrives 6se7018-0ep50-z 6se7 018-0ep50-z mod.nr. z=c23 e: d -used-
siemens masterdrives 6se7021-4ep50-z 6se7 021-4ep50-z mod.-nr. z=c23 e: a -used-
siemens masterdrives bremsmodul 4,0kw 6se7016-3es87-2dc0 e: a -used-
siemens masterdrives bremsmodul 6se7013-3es87-2dc0
siemens masterdrives mc 6se7012-0tp50-z z=c41+c43+g92+f01k+80 dc/ac drive
siemens masterdrives mc 6se7012-0tp50-z z=g91+g42+c43
siemens masterdrives mc 6se7013-0ep50-z , z=g91+c23
siemens masterdrives mc 6se7013-0ep50-z , z=g91+c23
siemens masterdrives mc 6se7013-0ep50-z model-no. c33 + g91 e-stand: c -used-
siemens masterdrives mc 6se7013-0ep50-z model-no. g91 + c33 e-stand: k -used-
siemens masterdrives mc 6se7013-0ep50-z model-no. z=g91 + c33 e-stand: d -used-
siemens masterdrives mc 6se7013-0ep50-z z=c23 e: h + 6se7090-0xx84-0kb0 -used-
siemens masterdrives mc 6se7014-0tp50 z=c43+g91
siemens masterdrives mc 6se7014-0tp50-z z=g91+c23 neu
siemens masterdrives mc 6se7015-0ep50 frequenzumrichter simovert
siemens masterdrives mc 6se7016-0tp50-z = c43+g91+f01
siemens masterdrives mc 6se7016-0tp50-z dc/ac drive z=g91+c43 neuwertig
siemens masterdrives mc 6se7016-0tp50-z z= g91+k80+c43
siemens masterdrives mc 6se7016-0tp50-z=c43
siemens masterdrives mc 6se7016-0tp50-z=g91
siemens masterdrives mc 6se7018-0ep50-z ac/ac drive z = c43 g61
siemens masterdrives mc 6se7018-0ep50-z ac/ac drive z = c43 g61
siemens masterdrives mc 6se7018-0ep50-z mod. nr. g91+g42+c43 e: k -used-
siemens masterdrives mc 6se7018-0ep50-z mod. nr. g91+g42+c43 e: k -used-
siemens masterdrives mc 6se7018-0ep50-z z=g11+g42+f01+c43
siemens masterdrives mc 6se7018-0ep50-z z=g11+g42+f01+c43
siemens masterdrives mc 6se7021-0tp50-z z=c23+g91
siemens masterdrives mc 6se7021-4ep50-z z=g91 + c33 frequenzumrichter
siemens masterdrives mc drive 6se7015-0ep50 z: f01 g91 c43 profibus top zustand
siemens masterdrives vc 6se70 23-4ep60-z 6se7023-4ep60-z e-stand: c
siemens masterdrives vc 6se7012-0tp60-z 6se7 012-0tp60-z e: d
siemens md 315kw inverter 6se70360tj60 z new in box surplus
siemens micromaster 6se9212-0da40 + 6se3290-0da87-0fa1 netzfilter -used-
siemens modular power supply einbau-stomversorgung 6ew1881-6aa
siemens modular power supply einbau-stromversorgung 6ew1881-8aa
siemens motor brushless 1fk7034-5ak71-1ug0 moteur
siemens
MP370-12 6av6545-0da10-0ax0 touch screen+ protective film 0xt 1
siemens mp377 15", 6av6 644 8ab20 0aa1, daylight readable, hmi, operator panel.
siemens multi panel mp277 10" color 6av6643-0cd01-1ax0 6av6 643-0cd01-1ax0
siemens netzfilter 12a / 3ac 380-460v / 50-60hz typ 6se7021-0es87-0fb0
siemens op177b 6av6 642-0da01-1ax1 hmi touch screen display glass