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Strucutre of MLFB numbers

Created by: JanP at: 1/29/2009 2:56 PM (15 Replies)

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1/29/2009 2:56 PM	Rate (0)
JanP Posts: 8 Rating: (0)	Hi everybody, I was looking for an explanation of the structure of MLFB number of SIMATIC S7/S5 products. Anybody who can help me out? Thanks! Jan
JanP Posts: 8 Rating: (0)
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1/30/2009 10:33 AM	Rate (0)
Denilson Pegaia Platinum Member Joined: 9/23/2005 Last visit: 9/10/2025 Posts: 4416 Rating: (1485)	Sometime, I looked for this information too … The best that I found was a manual “Machine-Readable Product Designation (MLFB) Manual · 2007”. However it explains just to “6ES7”…A propose, if someone has a link of this manual, I will appreciate.
	Denilson Pegaia Siemens Industry Sector Technical Support
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This contribution was helpful to 1 thankful Users Saravana kumar

2/3/2009 4:40 PM	Rate (0)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	Hello, I have asked before about the same subject and I did not recieve a complete answer for it. The only thing I have knew: For example The part number: 6ES7331-1KF01-0AB1. The character "B" means that that modulecan be configurable using a software. For module with MLFB: 6ES7321-1BH02-0AA0. tHE CHARACTER NOW IS "A" so it can not be configurable! I know that my answer can not be a reply to whole your question and also I am still want to know the complte answer. But what just I would like to, is to share my knowlege with you all. Regards,
	Ayman Elotaify
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This contribution was helpful to 1 thankful Users draacula

2/4/2009 3:55 PM	Rate (1)
Denilson Pegaia Platinum Member Joined: 9/23/2005 Last visit: 9/10/2025 Posts: 4416 Rating: (1485)	Hi, just a little correction, the A/B sing at this position is related with diagnose function of the module.
	Denilson Pegaia Siemens Industry Sector Technical Support
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2/4/2009 4:31 PM	Rate (0)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	Pegaia Hi, just a little correction, the A/B sing at this position is related with diagnose function of the module. Hello Pegaia, I do not think that A/B at this position is related to diagnose as the module in my previous example "6ES7331-1KF01-0AB0" does not support diagnose. And you can do some short excrsise to check using Simatic manager. All modules that have "B" letter instead of "A" in that position have a different settings should be adjusted in HW config of Simatic manager. Check and tell me. Regards,
	Ayman Elotaify
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This contribution was helpful to 1 thankful Users Ajiajesh

11/18/2009 9:25 AM	Rate (0)
sadnem Posts: 1 Rating: (0)	Here it is: http://support.automation.siemens.com/WW/llisapi.dll/csfetch/26284803/PDF_1LE1_new_MLFB_en_V101.pdf?func=cslib.csFetch&nodeid=26563979
sadnem Posts: 1 Rating: (0)
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This contribution was helpful to 2 thankful Users how come Anabil

11/18/2009 12:20 PM	Rate (0)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	sadnem Here it is: http://support.automation.siemens.com/WW/llisapi.dll/csfetch/26284803/PDF_1LE1_new_MLFB_en_V101.pdf?func=cslib.csFetch&nodeid=26563979 Hello sadnem, Did you found any document that describe the structure of MLFB of the automation products? Regards,
	Ayman Elotaify
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5/30/2010 8:34 AM	Rate (1)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	Hello, In the following FAQ, we can find the meaning of the MLFB and Serial number of Micromaster drives: MICROMASTER 4: order number (MLFB) and serial number Regards,
	Ayman Elotaify
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This contribution was helpful to 1 thankful Users Anabil

7/13/2010 8:18 AM	Rate (0)
srrr-in Posts: 7 Rating: (0)	Dear All, I am also searching for Structure of MLFB Number. If any one provides, It will be helpful. Rgds, Sridhar.
srrr-in Posts: 7 Rating: (0)
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7/23/2010 1:19 PM	Rate (0)
GerardAmmerlaan Posts: 60 Rating: (1)	Hi there, I;'ve seen a manual once, but it was in book form, not electronical.
GerardAmmerlaan Posts: 60 Rating: (1)
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1/12/2011 9:26 AM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello, To renew this thread with MLFB description about Simovert Masterdrive. Still is need mentioned manual for automation product. Best regards, Hristo Mihalev Attachment Masterdrive.zip (1567 Downloads)

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This contribution was helpful to 2 thankful Users hdhosseini Anabil

7/20/2012 11:31 AM	Rate (0)
Anabil Posts: 2 Rating: (0)	Dear Ayman; Thanks for your post Did u found anything new about the MLFB?? Thanks Ahmed Nabil Electrical Maintenance Engineer Kobusch Packaging Egypt
Anabil Posts: 2 Rating: (0)
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7/20/2012 11:58 AM	Rate (2)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	I was sure that pdf exist in forum but can not to find it. Best regards, Hristo Mihalev Attachment MLFB-manual.pdf (3443 Downloads)

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This contribution was helpful to 9 thankful Users dchartier schnek Ayman Elotaify Denilson Pegaia Imran24 RIAN Che nunofreitas Middenyarr asamen7

7/20/2012 2:36 PM	Rate (0)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	UMENCHO I was sure that pdf exist in forum but can not to find it. Best regards, Hristo Mihalev Dear Hristo, Yes you are right. It was published few monthes ago (during the last premium campaign), and suddenly after few hours that post was deleted! It looks that Siemens do not like to share this info in public! I think we may need some clarification from moderators.
	Ayman Elotaify
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7/20/2012 2:50 PM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	OFT Thank you Ayman!So, I was right. But don't think Moderators deleted it. Most probably the owner of that post delete by himself for some reason. This is just one pdf...if you remember all manuals for 'old' panels (Op3, OP7...) were disabled, but now they are availble again here in forum. Best regards, Hristo Mihalev

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This contribution was helpful to 1 thankful Users Ayman Elotaify

7/20/2012 4:46 PM	Rate (0)
Ayman Elotaify Platinum Member Joined: 5/28/2008 Last visit: 9/3/2025 Posts: 4522 Rating: (843)	UMENCHO OFT Thank you Ayman!So, I was right. But don't think Moderators deleted it. Most probably the owner of that post delete by himself for some reason. This is just one pdf...if you remember all manuals for 'old' panels (Op3, OP7...) were disabled, but now they are availble again here in forum. Best regards, Hristo Mihalev I am not sure if the post was deleted from the writer himself or from moderators. In any case here it is again published from your side. Thank you for that. And also thanks for re-publishing old manuals again for our moderators and Siemens team.
	Ayman Elotaify
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