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PROFINET via Fiber Optic

10/30/2025 7:44 AM	Rate (0)
AutoGen_5031843 Joined: 10/29/2025 Last visit: 10/31/2025 Posts: 1 Rating: (0)	Hi Community! I need your help and advice :) I have an application where I need to communicate PLC (S7-1200) with ET200SP for a relatively long distance (~200m) and from that ET200SP (6ES7155-6AU02-0BN0) to another ET200SP (6ES7155-6AU02-0BN0) with similar distance and I can't put switch between those devices to use standard copper connection. What are my options to do it properly? (switches, media converters, bus adapters and also proper fiber optic cables and connectors) Thanks

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10/30/2025 8:26 AM	Rate (0)
Tarwar Expert Joined: 7/31/2020 Last visit: 10/31/2025 Posts: 189 Rating: (13)	Hello, A bus adapter for fibre optics cannot be mounted directly on the ET200SP (6ES7155-6AU02-0BN0). This would be possible with the IM 155-6PN HF bus adapter from firmware V3.3 onwards. A fibre optic converter would then probably be required for the connection between S7-1200 and ET200SP. The specialists from the Pre-Sales Technical Support team can recommend the right products for you. Best regards

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