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selecting the best communication way for das

Created by: bermuda at: 1/29/2011 8:46 AM (4 Replies)

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1/29/2011 8:46 AM	Rate (0)
bermuda Posts: 151 Rating: (3)	hi i need your help friends. i'm in a distribution automation system (das). we want to control and monitor the condition of breakers and value of power, voltage and.... i have a problem to selecting communication way between our sensor that mounted on transmission lines and feeders. iwant to use a profibus-dpnetwork for reading our sensors from et200 and i want to use ethernet to communicate with simatic wincc. i don't know that can i use profibus in outdoor and in power transmission lines? as you know, there are high temp and maybe high humidity there. is profibus reliable for this job? my friends suggested me to use dnp3 and iec protocols because das usses this protocols. but i don't know any moduleto dothis. do you know other ways such as wireless communication or... please help me i confused. i'm waiting for your suggestions. thank you.
bermuda Posts: 151 Rating: (3)
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1/30/2011 5:26 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 3/9/2025 Posts: 2705 Rating: (321)	Hi, The IEC protocols are known by Siemens as the RIC-bundles and the Extreme RIC-bundles. See the next links on Internet: Sales and delivery release: SIPLUS RIC Bundle with SIMATIC S7-400 Sales and delivery release: SIPLUS RIC Bundle with SIMATIC S7-300 SIPLUS RIC Bundles with SIMATIC S7-300 Released for Delivery Sales and delivery release: SIPLUS RIC Bundle with SIMATIC ET 200S Sales and delivery release: SIPLUS RIC new bundles for ET200 Also PROFIBUS is with the right components (SIPLUS) for different temperatures, moisture and so on capable. You may also use OLMs to het further away and have a seperation between different powers. www.siemens.com/siplus-extreme
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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2/1/2011 1:08 PM	Rate (0)
bermuda Posts: 151 Rating: (3)	hi late i didn't find any useful data there help me please. i want to select best communication way for my project i confused. can i use profibus dp for conecting my sensors to it and transfering data to s7-300? sensors are near the high voltage ac. do they work correctly? tx
bermuda Posts: 151 Rating: (3)
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2/1/2011 3:09 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 3/14/2025 Posts: 12344 Rating: (2707)	bermuda can i use profibus dp for conecting my sensors to it and transfering data to s7-300? sensors are near the high voltage ac. do they work correctly? tx Hello bermuda; You can Use Profibus-DP to connect your sensors if: 1) these sensors support a Profibus-DP slave interface. What make/model of sensors are you planning to use? For example, Siemens Siprotec protection relays are often used in substation automation projects, and with proper selection ypou can request a profibus interface on them. 2) these sensors can transfer their data through analog/digital channels to a local Profibus-DP slave, such as a ET 200S or ET 200M station (many manufacturers besides Siemens provide such interface stations, Wago, Beckhoff...). If you are planning to run the Profibus cables outdoors, or ner power lines, then you should think of using Fiber Optic lines. OLMs (Optical Link Modules) can be used to connect the diiferent nodes (working over copper) to a FO network, either multimode or monomode fibers, plastic or glass, depending on the distances to be reached.. FO networks are immune to electromagnetic influences and very reliable. Cost of the cables is not so expensive compared to copper nowadays, and the reliabity is worth it. See the following manuals for basic data on OLMs andtopologies supported: https://eb.automation.siemens.com/goos/catalog/Pages/ProductData.aspx?catalogRegion=GB&language=en&nodeid=9300043&tree=CatalogTree&regionUrl=%2fuk#activetab=product& 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 Operating Instructions SIMATIC NET Twisted-Pair and Fiber-Optic Networks Hope this helps, Daniel Chartier
	Last edited by: dchartier at: 2/1/2011 3:15 PM
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This contribution was helpful to 1 thankful Users fritz

2/9/2011 7:49 AM	Rate (0)
bermuda Posts: 151 Rating: (3)	hello dchartier thanks for your answer we use many data communicationphysical links. one of them is fiber optic. i'd like to use wireless communication between stations, such as uhf/vhf bands or any possible ways. i attached my required sytem. i said that in another topic in this forum. our friend j_bell suggested a system to me i'm studing around that. but if you have another suggestion with more detalesplease say to me. good luck Attachment wireless.GIF (68 Downloads)
bermuda Posts: 151 Rating: (3)
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