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S7 300C (6es7 313-5bg04-0ab0) can't read data from DI (DI NOT working)

Created by: Dima Raih at: 4/23/2014 3:10 PM (1 Replies)

4/23/2014 3:10 PM	Rate (0)
Dima Raih Regular Member Joined: 4/3/2014 Last visit: 10/22/2024 Posts: 1 Rating: (0)	Hello aweryone i have some problem with s7 300 new controller but mmc is old frome same controller after i put poweri delete data from MMC and download to plc new configuration plcledsstarts working but leds on OI DI module not working (not glowning) in step 7 i can't read any data in hw configuration monitoring why i cant see anything? is this PLC conenction problem? hardware problem or software problem ? maybe need to connect power to DI modules Attachment 2014-04-23 14.23.35.jpg (118 Downloads)

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4/23/2014 3:20 PM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 1/15/2025 Posts: 8804 Rating: (1173)	Hello, You should connect 24 volt to input/output card. Otherwise they can not be read. Best regards, Wizard

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