cyrus

Hi dears, I did a s7 300 redundancy, change between CPUs will be done sucessfully but when cpu changed, output value of one DO module will be zero and true again. I want to know that it is possible in software redundancy that output value dont change during cpu change? My digital output value is used for stop of compressor and must be true during running, when cpu master change to reserve cpu, for 1second this digital output value will be zero and true again and compressor will be stop.  is it the principle of software reduncancy? Or its possible that digital value be frozen during change?

Hi Dears, I have 2 No. CPU 315-2PN/DP (6ES7 315-2EH14-0AB0) I want to use this CPUs for S7 300 Software Redundancy. I Have 2 CP342-5 too for IMs. I want to use profibus port of this CPU for synchronization. if this CPUs are suitable for software redundancy? or I can not use this CPU and I must to use CPU-315-2DP instead?   Thanks

Thanks for your reply.

Hi dears, I have 2 analog input module (AD081). I want to know how can i do redundacy for analog input signals in cx programmar? I use duplicator for 4_20 mA signal. How is it for digital signals for redundancy too? Thanks.

Yes i press it again but the problem exist yet, may be i press it in wrong way, can you explain more about INIT button? 🙏🙏

Thank you bob, yes my problem begin when i press INIT button, first i download to both cpu using serial port and everything been ok only cpu was fault. After that i press INIT button and one cpu goes to off and i can not download to it. Even when change the dip swith to left cpu in duplex, the cpu not work and i can not download to it.

Thank you for your reply. It means you download to one cpu and then download to another one using peripheral port? Then two cpu must be downloaded separately? I could not download to both cpu, it says that cpu is simplex mode. Can anyone help me?

No i dowloaded to one cpu. Other cpu must be downloaded separately? I use ethernet module when download ony one cpu dowloaded.how can i doenload to other cpu?with serial port? Means i must download to each cpu with serial port separately? Thanks

🙏🙏

🙏🙏

Thank you for your reply,my hmi is ns15. But i want to use auxiliary area for finding cpu fault or power supply fault ,... i want to know is it possible to use auxiliary area for it?

thank you for your reply, i set all DIP switches according to the attached file.at first both CPUs have fault LED but after download and DIP switch setting now one CPU is off always. can help me for setting this item? thanks

thank you for your reply, in siemens PLC we can see how much memory is used ( for example 50%). now in omron in memory view i can not find this item, can you explain more?

thank you for your reply. i could not find it in cross ref., can you explain more?

Hi dears, I have cs1d plc with 2 no. Cpu65h and one dpl02d. When i download my program to cpu cx- programmar alarm that program download to simplex mode. And one cpu not work. How can i set cpu redundancy? Thanks