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Turning Off BF2 on CPU315-2PN/DP

Created by: TDK_MIA at: 8/15/2019 3:41 PM (8 Replies)

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8/15/2019 3:41 PM	Rate (0)
TDK_MIA Member Joined: 8/29/2017 Last visit: 7/3/2025 Posts: 5 Rating: (0)	Hi. Is it possible to "Turn Off" the BF2 error lamp. It its on when i am not online ie. the CPU not connected to a network. The operators think there is an error in the system when there is a "Red Light" condition. The CPU is not normally connected to a network. I only chose for the convinience of programming via Ethernet. Thanks for any input.

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8/15/2019 4:03 PM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 9/6/2025 Posts: 4703 Rating: (510)	You need to look at the PLC diagnostics buffer, to see the reason for the fault.

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8/16/2019 8:20 AM	Rate (0)
TDK_MIA Member Joined: 8/29/2017 Last visit: 7/3/2025 Posts: 5 Rating: (0)	There is no indication of any errors in the diagnostics

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8/16/2019 10:17 AM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 9/6/2025 Posts: 4703 Rating: (510)	Do you have some other devices besides the PLC, shown in NetPro?

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8/20/2019 9:55 PM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	The BF 2 faillure is active because there is nothing connected to the corresponding port. Look at your hardware config to see if it is possible to disable this port, if not or in case you need this port sometimes buy a cheap i.e. a 4 channel switch and connect it to this port. 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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8/21/2019 12:45 PM	Rate (0)
TDK_MIA Member Joined: 8/29/2017 Last visit: 7/3/2025 Posts: 5 Rating: (0)	No, nothing in NetPro

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8/21/2019 12:46 PM	Rate (0)
TDK_MIA Member Joined: 8/29/2017 Last visit: 7/3/2025 Posts: 5 Rating: (0)	Marcjan The BF 2 faillure is active because there is nothing connected to the corresponding port. Look at your hardware config to see if it is possible to disable this port, if not or in case you need this port sometimes buy a cheap i.e. a 4 channel switch and connect it to this port. Regards, Marcjan That seems a bit like overkill, but i may have to do just that, to get rid of the BF2 Error Lamp.

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8/21/2019 10:13 PM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Or tell the operators that any red light without a SF red light is no problem
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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8/23/2019 11:44 AM	Rate (0)
TDK_MIA Member Joined: 8/29/2017 Last visit: 7/3/2025 Posts: 5 Rating: (0)	Marcjan Or tell the operators that any red light without a SF red light is no problem I think that will have to be the solution. Thx for your input. / Case closed

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