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an additional filter for a PM340

12/11/2014 9:45 AM	Rate (0)
jim_map Posts: 23 Rating: (0)	Dear Sirs, Due to a Profibus communication error between a S7-400 PLC and a S120 AC/AC type(PM340), I am wondering if it ia possible to install an additional filter for an existed PM340 with no filter intergrated. The difficulty is that it is around 20 pcs. in total for this production line. That is why it is coming up with the idea by being installed an additional filter instead of changing to a PM with integrated filter. Thanks and regards, Jim
jim_map Posts: 23 Rating: (0)
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12/11/2014 10:02 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 1/20/2026 Posts: 22829 Rating: (3074)	Hi, yes there are filter necessary for PM340 without integrated filter. Which PM340 you have exactly (MLFB)? Refer Capter 3.7 of the AC-Drive manual. Regards Chroistoph

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12/12/2014 3:57 AM	Rate (0)
jim_map Posts: 23 Rating: (0)	Hi Mr. ChristophD, There are 2 types of PM340 in my case, 6SL3210-1SE26-0UA0 & 6SL3210-1SE24-5UA0, both are in FSD. It seems that there are no chance according to official documentation. Rgds, Jim
jim_map Posts: 23 Rating: (0)
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