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16DO 2A modul for S7300 ... available ?

4/5/2011 4:11 PM	Rate (0)
jirimatus Posts: 53 Rating: (2)	Hi, I need to transfer 2 pieces 8DO 2A modules from S5 system (6ES5 454 7LB11) to the S7300 system. So I was wondering to use one 16DO modul, but there is only modul with relays (6ES7322-1HH01-0AA0) and in the tech. data is written: Number of operating cycles 100000; 50000 (24 V DC, at 2 A). It means, after 100 / 50k cycles, the relays contacts are not 100%OK and sometimes malfunction can occur? Can you please recommend me some suitable 16DO modul? Thank you very much. J
jirimatus Posts: 53 Rating: (2)
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4/5/2011 4:37 PM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	As far as i can see in my hardware catalog, there are no 2A 16out modules, you can use 2 of these http://support.automation.siemens.com/WW/view/en/4067934 Best regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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4/5/2011 8:17 PM	Rate (0)
jirimatus Posts: 53 Rating: (2)	OK, so Im going to order the 2x8DO :-( But can anyone explain me the parameter "Number of operating cycles" ???? Is it really number of guaranteed swithing cycles ? I thing 100.000 cycles is not much for industrial usage. Thanks. J.
jirimatus Posts: 53 Rating: (2)
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4/5/2011 9:07 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/22/2026 Posts: 6892 Rating: (1368)	jirimatus so Im going to order the 2x8DO :-( But can anyone explain me the parameter "Number of operating cycles" ???? Is it really number of guaranteed swithing cycles ? I thing 100.000 cycles is not much for industrial usage. In industrial cases, you need a long time for an actuator to reach that point.For example, a pump or an on/off valve is on or off for a long period of time as process requires.You should avoid using fast clock pulse of a CPU for a long time on a DO (For example as fault indication for a lamp) in your user program. regards
	Demo Channel on Youtube
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