Vision & Samba PLC + HMI Controllers & VisiLogic Software
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Thanks much. Makes sense. Perhaps if there is someone from Uni that is monitoring these threads they might want to ammend the help file to include a note for the Visilogic MI details that Memory LImits for the Samba PLC's are differetn thatn Vision sereis. I know from past experience that there is a limit on timers but was not aware of the MI limit. I do use Vision 700 and a couple of 1210. Most of my work recently has been in Unilogic. But if it werent' for the bargain price of the Samba I would never have started using Unitronics product. thanks again to both. Jeff -
To add to Joe's comment, which includes the little acknowledged XBs, XIs & XDWs, perhaps have a look at a great post he did, explaining repeated use of operands in one scan. Look at # 12 in this topic: https://forum.unitronics.com/topic/6229-ongoing-25-topics-almost-worth-pinning/ Sometimes some operations seem to "go against the general rules".... 🙂 I'm not saying that this idea will definitely help you, but it is well worth knowing about. cheers, Aus -
That's why I said "apparently, going on other info becoming known"....... This bit of info arrived from the creators a little while ago in private messaging: You are no longer able to have the info mode password be the same number 4 times, for example "1111" or "2222" ect. It must now be a combination of 4 numbers. I have not tested it as yet, so Flex, please do so. If it is true, it goes a long way to explaining why some users have had no issues, because they already use the "combination" as part of their overall security strategy. Other examples we've seen where users have issues, we have seen some repeated digits. Lastly, I think that an "incorrect" info mode password creating stop conditions on boot seems a bit of overkill, given what info does. cheers, Aus
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By Joe Tauser · Posted
That is a limitation of the Samba series - they have their memory seriously reduced. If the data doesn't need to be retained you have 32 XI registers you could use. If you could get your hands on any of the non-Samba PLCs you won't have this problem. Joe T. -
Hello My latest roadblock on this code set: as I'm implementing a data table I'm needing to store values; and as a result I'm using up many more MI's than previously to have placeholders. ( Maybe there's a more efficent way to do this but I havent figured it out yet. ) Anyway - as I'm needing to create another Vector to bring in another set of status values into my data table, the next 10 MI vector was going to be MI-250 to MI-259. Visilogic seems to stop at MI-255. The Help menu lists the Memory Integer limit at 4095 for Enhanced Controllers. MI-255 seems to be end of the road. Currently working with a Samba 70, SM70-J-RA22 (although ultimatly I'll be dumping this into a Vision 1210). For now I just need to get this data table working so I understand how to do it. thanks Jeff
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