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PROFINET cable 2x2 or 4x2?

Created by: cervelletto79 at: 4/19/2018 10:19 AM (10 Replies)

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4/19/2018 10:19 AM	Rate (0)
cervelletto79 Posts: 61 Rating: (0)	Hi to all in case i have to use PROFINET to make motion control with CU305/CU310/CU320 , should i choose cable 2x2 or 2x4? where is the difference between the two types? thanks
cervelletto79 Posts: 61 Rating: (0)	Last edited by: cervelletto79 at: 4/19/2018 10:20:04 AM
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4/19/2018 10:24 AM	Rate (1)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 11/18/2024 Posts: 22453 Rating: (3030)	Hello, PROFINET only support up to 100 MBit so 2x2 is enougth. 4x2 is need for GBit Ethernet. The difference is 2x2 =4 lines and 4x2 = 8 lines Regards Christoph

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4/19/2018 10:59 AM	Rate (0)
cervelletto79 Posts: 61 Rating: (0)	So you are telling me that i have to use 4x2 only if i have to connect my PROFINET network with an IT network?
cervelletto79 Posts: 61 Rating: (0)
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4/19/2018 11:06 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 11/18/2024 Posts: 22453 Rating: (3030)	Hello, no , because PROFINET only support 100 MBit, so if you connect the PROFINET to a GBit Network the interface work only with 100MBit and 4x2 is not need. 4x2 only need if both devices support GBit . Regards Christoph

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4/19/2018 11:08 AM	Rate (0)
cervelletto79 Posts: 61 Rating: (0)	Sorry to bother you but what is the meaning to have PROFINET cable 4x2 if Gbit is not supported ?
cervelletto79 Posts: 61 Rating: (0)	Last edited by: cervelletto79 at: 4/19/2018 11:09:21 AM
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4/19/2018 11:13 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 11/18/2024 Posts: 22453 Rating: (3030)	Hello, which profinet cable you mean? i only know Industrial Ethernet cable 2x2 and 4x2. Regards Christoph

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4/19/2018 11:17 AM	Rate (0)
cervelletto79 Posts: 61 Rating: (0)	This one https://mall.industry.siemens.com/mall/en/ww/Catalog/Product/6XV1840-2AH10 and you're right,is an IE cable,not a profinet cable PS:what they mean for "PROFINET TYPE A"?
cervelletto79 Posts: 61 Rating: (0)
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4/19/2018 11:22 AM	Rate (1)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 11/18/2024 Posts: 22453 Rating: (3030)	Hello, Type A mean the cable is for Fixed / stationary Installation. Type B and TypeC for flexible installations. Regards Christoph

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4/19/2018 11:44 AM	Rate (0)
cervelletto79 Posts: 61 Rating: (0)	Thank you very much
cervelletto79 Posts: 61 Rating: (0)
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8/6/2019 4:05 PM	Rate (0)
xriderfmx Posts: 4 Rating: (0)	Hello, Can I use 4x2 cable instead of 2x2? I mean, it is compatible?
xriderfmx Posts: 4 Rating: (0)
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