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OLMs?

6/27/2013 10:28 PM	Rate (0)
Tomy Master Gold Member Joined: 5/4/2009 Last visit: 11/23/2024 Posts: 914 Rating: (40)	Dear friends, Currently, I am working on a small project which comprise the use of fiber optic cables as a transmission mean, my request is there any manual discribing how to utilise OLMs and how the settings is done in both Step7 V5.5 and in TIA V12. Warm regards. Tomy.
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6/28/2013 1:12 AM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 3/20/2025 Posts: 12344 Rating: (2707)	Hello Tomy; The most complete manual on OLMs is this one: SIMATIC NET PROFIBUS Optical Link Module OLM / P11 V4.0 OLM / P12 V4.0 OLM / P22 V4.0 OLM / P11 V4.0 OLM / G12 V4.0 OLM / G22 V4.0 OLM / G12-EEC V4.0 OLM / G11-1300 V4.0 OLM / G12-1300 V4.0 Operating Instructions You will find chapters on many aspects of installation and commissioning of the different OLMs inside the manual, including this: 5.10.1 Configuring optical bus and star topologies You configure the PROFIBUS network, for example with SIMATIC STEP 7 (V5) or COM PROFIBUS (V5). You enter the number of OLMs and overall cable length in a configuration dialog. The configuration tools then check whether the slot time can be retained in the chosen communication profile. If the limit is exceeded due to the extra delays caused by OLMs and fiber-optic cables, a warning message is displayed and the parameters are adapted. Hope this helps, Daniel Chartier

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6/28/2013 9:10 PM	Rate (0)
Tomy Master Gold Member Joined: 5/4/2009 Last visit: 11/23/2024 Posts: 914 Rating: (40)	Dear Dchartier, The information are very valuable, but is there any setting guide for V12? Regards. Tomy.
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6/28/2013 10:11 PM	Rate (1)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 3/20/2025 Posts: 12344 Rating: (2707)	Hello Tomy; As mentionned in the previous post, introduction of the OLM in a Profibus network is a matter of correct bus parameters, notwithstanding the CPU controlling the bus. For specific details on the integration of OLMs on a Profibus network controlled by a S7-1500 CPU (under TIA Portal v. 12) have a look at hte following document, from which I have extracted the attachment. SIMATIC PROFIBUS with STEP 7 V12 Hope this helps, Daniel Chartier Attachment C:\Users\chard2\Pictures\TIA Portal v.12 OLM.jpg (145 Downloads)

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