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Problem with 414-H SYSTEM WITH I/O REDUNDACY

6/30/2010 12:32 PM	Rate (0)
Import-User-1 Posts: 3609 Rating: (29)	AMIBACH Hello I AM HAVING ONE 414-H SYSTEM WITH I/O REDUNDACY ,WHENEVER ANY DIGITAL OUTPUT IS FORCED ,AFTER SOME TIME BOTH CPU'S GOES TO STOP MODE AND ALL THE LED'S OF BOTH THE CPU'S STARTS BLINKING ,THEN YOU CANNOT ACESS THE DIAGNOSTIC BUFFER.THE CPU POWER IS SWITCHED OFF,BATTERRIES ARE TAKEN OUT.AND AGAIN THE PROGRAMME IS RELOADED,TO RUN THE PLC CAN YOU PLEASE TELL ,WHAT EXACTLY IS THE PROBLEM ELLO,
Import-User-1 Posts: 3609 Rating: (29)
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6/30/2010 12:33 PM	Rate (0)
Import-User-2 Silver Member Joined: 8/10/2005 Last visit: 4/9/2024 Posts: 1486 Rating: (32)	UMENCHO Hello, Does this behavior happen only when forced digital output? In situation without force DO there haven't any problems. Give exactly MLFB number of CPU. (6ES7... Best regards, Hristo Mihalev

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7/5/2010 2:03 PM	Rate (0)
Hit_Formula Bronze Member Joined: 2/20/2010 Last visit: 10/15/2025 Posts: 104 Rating: (7)	Dear User, You have to Update latest firmvare......i m sure.... Regards Hitesh Dhorajiya

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7/5/2010 6:37 PM	Rate (0)
ABN Posts: 212 Rating: (12)	hi, Refer to s7400 H manual with toipc of " IO Handling with redundant systems". You will find all settings related to IO Redundancy. But before checking this, as suggested by Hitesh, update the firmware to latest available one.
ABN Posts: 212 Rating: (12)
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7/5/2010 9:20 PM	Rate (0)
H-H Platinum Member Joined: 7/2/2008 Last visit: 12/21/2025 Posts: 929 Rating: (309)	Dear user, It seems Hiteshis right. There's a problem with forcing H-CPUs. Forcing with H CPUs V4.5.0 You can find the latest firmware version in Operating System Updates for CPU412-3H / CPU414-4H / CPU414-4H PG / CPU417-4H Best regards. H-H

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