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S7-300 with 7-segment display

Created by: bezout at: 3/16/2011 10:54 AM (2 Replies)

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3/16/2011 10:54 AM	Rate (0)
bezout Posts: 22 Rating: (0)	Hi! I have searched information about 7-segment display and there is question. I have project where im using S7-300 CPU 314 ( 6ES7314-1AG14-0AB0) and i want to work it with 2-digit 7-segment display. I have found in STEP 7 FC93 what is doing all decoding. 1. Do I have to add 16DO card? Every bit to every segment? Somebody told me that i need only 5 outputs so that to the output it should written binary code. I dont understand it.
bezout Posts: 22 Rating: (0)
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3/17/2011 9:03 AM	Rate (0)
Aret Posts: 2348 Rating: (263)	actually for coding 7-segment indicator you need 4 bits. Wiring diagram depends on indicator.
Aret Posts: 2348 Rating: (263)
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3/17/2011 1:52 PM	Rate (0)
jirimatus Posts: 53 Rating: (2)	You can also use the display driven by profibus or MPI. In this case you dont need any I/O. Dont forget to to ask the maker for GSD (HW data) file for simatic. J.
jirimatus Posts: 53 Rating: (2)
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