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28 ExcellentAbout WattUp
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I believe alarm ID allows you to set up separate alarm histories, but all of my systems that is just left at 1 (and also set to 1 in the User alarm observation) Under the Alarm Display > Setting Tab > Make sure Display Target : ALL ALARM, this should show all current alarms
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You can either reset everything OR if possible connect to a larger resolution screen. I have this issue all the time bc at my desk (QHD Sreen) i set the cross ref list on the opposite screen. But then line-side that list remains off screen.
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JDennis liked a post in a topic: HMI and PLC Memory addresses are not the same.
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instead of using FIND for the D10020 address, which will only show contacts or coils directly addressed as such. use cross reference. That will show any place that address is used in Bulk moves See examples from my program.
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OH yeah of course good catch. I don't know why XOR was in my head..
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WattUp liked a post in a topic: serial input string
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This function does exist, and its EVAL You will have to clear that "G" with a XOR "FF00" D200 first
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OH going from ASCII String to numbers... not sure that happens without some ASCII lookup table What control do you have on that the input field / method? It would be better fix the data source than write a algo to convert
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will this string always start with "G" ? If so, Change your HMI input to be Float input and just add the G as a prefix visually If not, then a block move (BMOV) starting at the second register of your string address would drop the first characters.
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Yeah if a pointer is calculated/used in more that one place then monitoring is bascially useless for the pointer & the registers its pointing. there are 20 Z available but it seems everyone only uses Z0. lol. I will share a Z only if the functions are related & exclusive i.e. reading & writing from a array. Where only 1 option is ON at a time.
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WattUp liked a post in a topic: If Else or Similar
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d4rkm4n liked a post in a topic: PLC Reset?
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Yes, you would want to add a start/end address that would be retained always. If memory space allows, i would just set this to the entire range of D. If not I typically would use 10,000 - end, that way I know the data location is up out of range with the rest of my address mapping. I believe the HMI can have it's own memory, but I don't utilize that so i am not 100% sure.
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d4rkm4n liked a post in a topic: PLC Reset?
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Project navigation PARAMETER > PLC Parameter. Then select the device tab. Any data points listed under Latch 2 Start - End will remain through power outages / reset.
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I would check the physical motor install, verify bearings are good, check runout / alignment, things like that would cause the drive to be working too hard. Also recommend plugging into the drive and using the software to monitor the drives performance. it might point you in the right direction.
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With that low number of I/O I would bet its mostly an order of operations & timer based system. It might be a good idea to try to create a map of the functions you KNOW it does and build from there. A scope or meter on the outputs to get a timing and order. if there is a HMI look for any settings / parameters.
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Glad to help.
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PLC Parameters > Device Tab. Set a start / end address for the Latch 1 / 2 as needed. Latch 1 is data retained during power cycles but reset with Latch clear command. Latch 2 retains data always.
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WattUp liked a post in a topic: PLC to PLC
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I created this program to help me remember how to set this up. EthernetLink.gxw