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CPU 921 6es5921-3wb11 in stop mode. Can't restart

Created by: luciferC4 at: 3/3/2021 7:51 AM (2 Replies)

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3/3/2021 7:51 AM	Rate (0)
luciferC4 Bronze Member Joined: 1/25/2006 Last visit: 2/9/2023 Posts: 257 Rating: (60)	Hello , On one cnc machine, as control unit is used sinumeric console. as CPU it used CPU 921, 6ES921-3wb11. and now cpu is in stop mode. I haven't any user manual (I found for cpu921, 3UA11). But I can't perform reset CPU). CPu have eprom module. Can anybody have any experience with this cpu and what could be a problem? best regards,

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3/9/2021 12:28 PM	Rate (0)
Contrologica Bronze Member Joined: 10/5/2006 Last visit: 6/1/2023 Posts: 74 Rating: (3)	Fortunately I found a manual here: https://support.industry.siemens.com/cs/ww/de/view/21192267 Unfortunately, it's in German!
	Last edited by: Contrologica at: 03/09/2021 12:29:43 Last edited by: Contrologica at: 03/09/2021 12:30:31 Last edited by: Jen_Moderator at: 03/09/2021 12:44:14 Optimized link. Automation Programmer PLC \| HMI \| SCADA \| SQL New Systems, Modifications System Upgrades & Conversions Siemens EPROM & EEPROM Service -------------------------------------------------------- Email: info@contrologica.com Visit: https://contrologica.com
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This contribution was helpful to 2 thankful Users Jen_Moderator luciferC4

3/10/2021 8:07 AM	Rate (0)
luciferC4 Bronze Member Joined: 1/25/2006 Last visit: 2/9/2023 Posts: 257 Rating: (60)	Thank you a lot!! It's a helpfull!

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