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How logo operates to startup the power generator ?

Created by: hamzasiemens at: 12/19/2010 9:43 PM (10 Replies)

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12/19/2010 9:43 PM	Rate (0)
hamzasiemens Posts: 19 Rating: (0)	Hi ! Logo RC-230 can automatically starts power generator during utility power supply failure, but Logo itself need 115v-220v then incase on utility power failure how logo operates to startup the power generator ? I will be thankful for anyone help me in this regard, please !
hamzasiemens Posts: 19 Rating: (0)	Last edited by: CS Moderator at: 12/19/2010 10:52 PM new subject after splitting
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12/19/2010 10:30 PM	Rate (0)
cdrshort Bronze Member Joined: 9/6/2008 Last visit: 3/29/2024 Posts: 134 Rating: (16)	use a ups for supply logo during power fail . or try to make it the way that siemens suggest like in microset 29 maybe it will help you also to see this /tf/WW/en/Posts/29804#top Attachment Set29_DocTech_V2d0_en.zip (772 Downloads)
	Last edited by: cdrshort at: 12/19/2010 10:35 PM http://electrotech-techblogg.blogspot.gr/
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12/21/2010 4:05 AM	Rate (0)
hamzasiemens Posts: 19 Rating: (0)	Thanks for your assistance , but i want to ask that instead of using UPS, if i use LOGO 12/24RC and use 12 volt battery for operating it, is this will be better ? Becoz using UPS or microset will be very costly. So i have designed AMF and ATS myself and i need to operate it using LOGO! as by using logo i am monitoring the parameters of genset i.e Oil, pressure , temperature. LOGO itself can be used as AMF & ATS as it have 4 relays, so how can i use logo as AMF & ATS ?.
hamzasiemens Posts: 19 Rating: (0)
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12/21/2010 7:51 AM	Rate (1)
cdrshort Bronze Member Joined: 9/6/2008 Last visit: 3/29/2024 Posts: 134 Rating: (16)	if you use a ups only for logo it will cost 50-60 euro if use 12 or 24 dc batery then the batery must be a separate one only for logo supply. because if you have the same battery for generator and logo you willhave a bigvoltage drop during the start of the generator ( the electrical starter or the preheater consums a lot of curent). you also have to desing a separate charging circuit for the separate battery. all this makes the system some kind complex perhaps more expencive and with a lot of problems . for me the best and most economikal solution is to use a ups . at the link that i give in my last post you will find a program for diesel control that making the start up and control most of the cases of an diesel engine .( oil presure , water temperature, altenator ,cylinder head temperature ,brake of water pump belt ). best luck
	http://electrotech-techblogg.blogspot.gr/
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12/21/2010 9:06 AM	Rate (0)
miltos Bronze Member Joined: 3/4/2009 Last visit: 10/28/2020 Posts: 57 Rating: (5)	Another idea is to use a 12V DC power supply, with integrated battery charger to supply a 12/24RC. In compbination with the battery It is a kind of ups for dc. I dont remember how much does it cost. I like the fact that it is relativle small and it can be mounted in a small cambinet.
	Last edited by: miltos at: 12/21/2010 9:09 AM Last edited by: miltos at: 12/21/2010 9:07 AM
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12/22/2010 3:03 AM	Rate (0)
hamzasiemens Posts: 19 Rating: (0)	Thanks for your guidance. I think using UPS will also need a separate battery or i can use generator's battery for UPS as well ?. Regarding your program of Diesel generator i checkout and tried it , thanks for that was very helpful. But the microset29 for Automatic start of generator i cant use that becoz instead of that i will try AMF and ATS with relays ad timers it is cheaper and simple as well. God beless you ...
hamzasiemens Posts: 19 Rating: (0)
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12/22/2010 3:06 AM	Rate (0)
hamzasiemens Posts: 19 Rating: (0)	@miltos, friend i didnot understand what you have said , can you please explain me becoz your idea sounds good but please make me understand...
hamzasiemens Posts: 19 Rating: (0)
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12/22/2010 10:37 AM	Rate (0)
miltos Bronze Member Joined: 3/4/2009 Last visit: 10/28/2020 Posts: 57 Rating: (5)	Hi hamzasiemens. There are power supply that do 2 jobs. 1) Work just like power supply. They have 230V AC as input and output 12V DC. 2) In the same time, they work as battery chargers. They charge a battery. The battery is standby. If there is a power fault (not any more 230V AC at the input of the device) the device use the battery and still has 12V DC at the output. The device has a terminal for the output voltage (12V DC) and a terminal for wiring the battery.

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12/25/2010 10:16 AM	Rate (0)
controller man Posts: 3 Rating: (0)	Hi hamza Im very intersted to talk about ats system, becuase im going todo one at next days. buy using logo plc, (al_al_44) so that if u interest to contact me to work to gather, i will be happy. (just collect the above address with yahoo to get my e mail. beast regards Mr. alaa imran electrical engineering, automotion and control system siemens supplier thank you siemens
controller man Posts: 3 Rating: (0)
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12/27/2010 10:36 PM	Rate (0)
hamzasiemens Posts: 19 Rating: (0)	Please send me the programming of Automatic Transfer Switch (ATS) and Auto Main Failure (AMF)...How we can control relays, timers and contactors, when utility power supply goes OFF and we want to turn ON the generator ? and after resuming of utility power supply how to transfer load back to it ?
hamzasiemens Posts: 19 Rating: (0)
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