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Micromaster Configured But Not Found | BF LED Blinking

11/10/2014 8:21 AM	Rate (0)
meeda Bronze Member Joined: 6/26/2013 Last visit: 10/19/2024 Posts: 143 Rating: (5)	Dear All, Two micromasters (6SE640X-1PB00-0AA0) are connected with S7 313C-2DP. PLC is in stop mode, SF LED is ON, and BF LED is blinking. The diagnostic buffer says that the micromaster (node #7)is configured but not found. In online HWConfig Profibus Node #7 is red crossed. What can be the cause of this problem? Regards, Attachment F:\New Folder.zip (251 Downloads)
	meeda_
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11/10/2014 9:04 AM	Rate (0)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Check if Profibus module is powered (24V ext supply needed), check address setting, either on module or by Parameter in the Micromaster P918, check Bus terminator. See: Operating Instructions: MICROMASTER PROFIBUS Optional Boardfor more details. 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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11/10/2014 11:52 AM	Rate (0)
meeda Bronze Member Joined: 6/26/2013 Last visit: 10/19/2024 Posts: 143 Rating: (5)	Hello, The Status LED on the micromaster is Orange and Blinking. The other micromaster is ok in online HWConfig but its LED is green and blinking. CPU is at STOP mode and SF LED is ON, BF LED is blinking. CPU stopped at OB100 according to B-STACK in module information. Regards. Attachment StatusLED.gif (429 Downloads)
	Last edited by: Min_Moderator at: 11/10/2014 2:50 PM Change attachment name meeda_
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11/12/2014 8:39 PM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 11/20/2024 Posts: 4620 Rating: (710)	meeda Hello, The Status LED on the micromaster is Orange and Blinking. The other micromaster is ok in online HWConfig but its LED is green and blinking. CPU is at STOP mode and SF LED is ON, BF LED is blinking. CPU stopped at OB100 according to B-STACK in module information. Regards. Hello meeda, What are your connection? Seems that you have a problem with Profibus connection, The connector of the first and last node is in ON position? From the master you have connected A1-B1 or A2-B2?
	Last edited by: Ste39 at: 11/12/2014 8:41 PM Last edited by: Ste39 at: 11/12/2014 8:41 PM
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