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S7 1200 power input & output

Created by: Abdel-Qader at: 4/3/2014 8:20 AM (2 Replies)

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4/3/2014 8:20 AM	Rate (0)
Abdel-Qader Silver Member Joined: 1/5/2013 Last visit: 11/18/2025 Posts: 289 Rating: (16)	i have S7-1214C DC/DC/DC and a logo power, and a modem. LOGO!POWER: 6EP1332-1SH43 CPU: 6ES7214-1AG31-0XB0 Modem: 6GK7242-7KX30-0XE0 Question: 1- Does the LOGO!POWER can has either AC or DC (110 volt) as input, and regarding the AC earth, can we connect the AC earth to the DIN rail? 2- the LOGO!POWER output will be connected to the x10 as the following: L+: the + from the LOGO!POWER will be connected here. M: the - from the LOGO!POWER will be connected here. the earth will be connected to the DIN rail (where the AC earth is connected to it). 3- when power the modem, can we connect the its power source directly from the LOGO!POWER and connect the modem earth to the DIN rail? or to connect the modem power from the PLC itself, and if yes where which port is it the 24VDC beside the x10 interface or from the x12 port? 4- we will not use any analog or digital inputs or outputs (PLC as modbus master), do we keep them without any cabling or jumpering? thanks in advance

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4/4/2014 8:07 AM	Rate (1)
Toeternietoe Platinum Member Joined: 12/27/2006 Last visit: 11/17/2025 Posts: 1200 Rating: (116)	Use Google: 6EP1332-1SH43 datasheet, and you geta lot of ansers Question: 1- Does the LOGO!POWER can has either AC or DC (110 volt) as input Yes and regarding the AC earth, can we connect the AC earth to the DIN rail? Yes 2- the LOGO!POWER output will be connected to the x10 as the following: L+: the + from the LOGO!POWER will be connected here. M: the - from the LOGO!POWER will be connected here. Yes the earth will be connected to the DIN rail (where the AC earth is connected to it). This LOGOPower has a dubbel isolation, and so has NO Earth connection. You can, if you wishes connect the - of the LOGOpower to the Earth of the powersupply. Better is NOT to do this! 3- when power the modem, can we connect the its power source directly from the LOGO!POWER and connect the modem earth to the DIN rail? Yes it can (not neccesary) or to connect the modem power from the PLC itself, and if yes where which port is it the 24VDC beside the x10 interface or from the x12 port? Yes it can (not neccesary) 4- we will not use any analog or digital inputs or outputs (PLC as modbus master), do we keep them without any cabling or jumpering? If the modbus is wirreles, and the power becomes from a barrery, and your modem is wireless (GSM) then you have no cabels

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This contribution was helpful to 1 thankful Users Abdel-Qader

4/7/2014 5:24 PM	Rate (0)
allmächt! Posts: 215 Rating: (6)	For more details regarding LOGO!Power use the following link: http://support.automation.siemens.com/WW/view/en/44388818/td. On the right of thephoto of the LOGO!Power you will find the ratings for AC as well as for DC. regards
allmächt! Posts: 215 Rating: (6)
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This contribution was helpful to 1 thankful Users Abdel-Qader

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