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Lightbus to s7300 connection

Created by: Ziemens at: 7/24/2013 1:20 PM (8 Replies)

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7/24/2013 1:20 PM	Rate (0)
Ziemens Silver Member Joined: 3/2/2007 Last visit: 3/20/2025 Posts: 980 Rating: (5)	Hy sirs, I have a Lightbus network which should be connected to an s7300 plc. How can this be done? Which hardware and software should be used? Thank you
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7/25/2013 1:40 PM	Rate (0)
Rated X Posts: 1547 Rating: (129)	Hi, i don't know any lightbus coupler etc. to connect Siemens PLC to this bus. Check if there is any gateway Lightbus / PROFIBUS or Lightbus / PROFINET is available.
Rated X Posts: 1547 Rating: (129)
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7/25/2013 1:53 PM	Rate (0)
Ziemens Silver Member Joined: 3/2/2007 Last visit: 3/20/2025 Posts: 980 Rating: (5)	Do you think Siemens have any Lightbus parts? I did not find any yet! Thank you
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7/25/2013 2:48 PM	Rate (0)
Rated X Posts: 1547 Rating: (129)	Hi, Lightbus is a part of Beckhoff. I don't think that Siemenshave any module for lightbus.
Rated X Posts: 1547 Rating: (129)
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7/25/2013 3:06 PM	Rate (0)
Ziemens Silver Member Joined: 3/2/2007 Last visit: 3/20/2025 Posts: 980 Rating: (5)	we found the following gatewayFox-RK-002. do you think it will connect the Lightbus to the Profibus network ? http://www.trs-fieldbus.com/products/Bridges/bridges.htm
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7/26/2013 2:43 PM	Rate (0)
Rated X Posts: 1547 Rating: (129)	Hi, there are not so much information about the PROFIBUS interface, but it looks like an DP Slave implementation on PROFIBUS. With this you can connect to each S7 PLC with DP interface on CPU. Please observe that the maximum Data amount will be 64 Bytes.
Rated X Posts: 1547 Rating: (129)
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7/26/2013 3:06 PM	Rate (1)
umencho Diamond Expert Joined: 3/21/2006 Last visit: 3/19/2025 Posts: 10239 Rating: (1183)	The other way is do not touch lightbus network. The idea is to install a module inBeckhoff PLCwhich have corresponding in S7-300. From one side that will increase the quantity of exchaging data and might be the speed too.

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This contribution was helpful to 1 thankful Users Tomy Master

5/23/2014 6:44 AM	Rate (0)
PLC.Newbie Experienced Member Joined: 12/11/2013 Last visit: 3/3/2025 Posts: 14 Rating: (0)	i have the same question

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5/23/2014 9:25 AM	Rate (0)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 2/26/2025 Posts: 5697 Rating: (716)	Hello, Well if the question is really the same, the answers are already given If you need to know more then please return with some specific questions and details of your hardware. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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