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SIWAREXU FB45

3/22/2011 10:17 AM	Rate (0)
ni1 Posts: 50 Rating: (0)	Hi All, In my new project , I will use Siemens Load cell , S7-300( CPU312C) and SiwarexU. But Siwarex U module still I haven't received yet. So I download my program to only CPU312C and go to online mode. After download SiwarexU FB45, SF red color activate in CPU312C. When I go and see the diagnostic Buffer, I get the message as I/O access error, reading.(please refer attached file). I took this Siwarex U program from ready made getting started progrm . Please kindly advice me , how can I solve this problem. Is it because of no installing SIWAREX U modue or not? Please kindly reply me. Attachment Module Information.pdf (381 Downloads)
ni1 Posts: 50 Rating: (0)
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3/22/2011 1:37 PM	Rate (0)
Siwarexi Gold Expert Joined: 1/4/2007 Last visit: 8/26/2025 Posts: 1190 Rating: (179)	Hello ni1, The FB45 is doing the communication between Step7 and the Siwarex U module. See also the parameter “ADDR”(start-address of the Siwarex U module into the HW-Config) at the FB 45. If the Siwarex U module is not present, the PLC get an IO access error reading. This is normally. If you mount the Siwarex U module beside the PLC this error message willdisappear. Best regards Siwarexi

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3/22/2011 3:00 PM	Rate (0)
ni1 Posts: 50 Rating: (0)	Hello Siwarexi, Thanks. Best Regards, Ni
ni1 Posts: 50 Rating: (0)
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2/14/2017 1:29 PM	Rate (0)
Min_Moderator Platinum Member Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4759 Rating: (122)	New question published by elctro hamad is split to a separate thread with the subject Problem with siwarex U setting zero reading. Best regards Min_Moderator

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