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Blinking red diode

Created by: Ali00980 at: 9/12/2020 1:47 PM (13 Replies)

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9/12/2020 1:47 PM	Rate (0)
Ali00980 Posts: 8 Rating: (0)	PLC is located on an argon welding machine. When the device is on, a red error light flashes on the controller. The problem is the inspector or the machine and how to recognize the error?
Ali00980 Posts: 8 Rating: (0)
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9/12/2020 4:49 PM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 1/25/2025 Posts: 4264 Rating: (479)	Ali00980 PLC is located on an argon welding machine. When the device is on, a red error light flashes on the controller. The problem is the inspector or the machine and how to recognize the error? Does it have a HMI, where you control the PLC from? If no, then the only way is a pc with TIA Portal or Simatic Automation Tool.

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9/13/2020 6:36 AM	Rate (0)
Ali00980 Posts: 8 Rating: (0)	В нем есть панель управления и даже есть где смотреть ошибки, но там ничего не показывает. Как будто ошибок нет
Ali00980 Posts: 8 Rating: (0)	Last edited by: Ali00980 at: 09/13/2020 10:38:00
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9/14/2020 8:15 AM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 1/25/2025 Posts: 4264 Rating: (479)	Ali00980 В нем есть панель управления и даже есть где смотреть ошибки, но там ничего не показывает. Как будто ошибок нет Can we have the same in English?

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9/14/2020 9:21 AM	Rate (0)
Ali00980 Posts: 8 Rating: (0)	It has a control panel and even has a place to watch the bugs, but there is nothing to show. As if there are no errors
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9/14/2020 10:46 AM	Rate (0)
Prof. Frink Platinum Member Joined: 7/5/2013 Last visit: 1/16/2025 Posts: 3123 Rating: (518)	Which PLC model is it?
	Pi is exactly three! All you have to do is think of things which people need but which don’t exist yet.
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9/14/2020 11:39 AM	Rate (0)
Ali00980 Posts: 8 Rating: (0)	Simatic s7-1200 CPU1214C DC/DC/DC Attachment IMG_20200909_091712.jpg (224 Downloads)
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9/14/2020 11:54 AM	Rate (0)
Ali00980 Posts: 8 Rating: (0)	Video with error Attachment vid-20200910-0834582_yZhJi1gK.compressed.avi (197 Downloads)
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9/14/2020 12:10 PM	Rate (0)
Mr.V Silver Member Joined: 6/19/2019 Last visit: 1/9/2025 Posts: 706 Rating: (77)	video not good quality but i can see on SLOT1 same blinking and i think it is ANALOG INPUT MODULE and it's blicking becose something wrong with analog input.The PLC detect something wrong in extension modules and blinking together.

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9/14/2020 2:58 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 1/24/2025 Posts: 15558 Rating: (2468)	What entries are shown in the PLC diagnostics buffer after the device (welder) is turned on? How far from the welder is the metal EMC rated enclosure? Are all the signals isolated (like using opto isolators for digitals, and galvanic isolating signal conditioners for analogs) to prevent induced voltages/currents on the wiring coming into the enclosure, and into the PLC and its IO modules? Welders are very good at disrupting electronics even when using the best shielded cables with both ends firmly bonded to create a faraday around all the electrical signals and processing devices. Ali00980 PLC is located on an argon welding machine. When the device is on, a red error light flashes on the controller. The problem is the inspector or the machine and how to recognize the error?
	science guy
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