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Showing results 1 to 25 of 500 Search took 0.17 seconds. Search: Posts Made By: ndzied1

Forum: LIVE PLC Questions And Answers February 22nd, 2021, 10:29 AM

Replies: 20 Quick Question Views: 1,063 Posted By ndzied1 Are you using these with 5V input cards or are... Are you using these with 5V input cards or are you building a small circuit to be able to use them with 24V?

Forum: LIVE PLC Questions And Answers February 15th, 2021, 06:24 PM

Replies: 9 OT: Microsoft Excel- Offline use Views: 555 Posted By ndzied1 I bet this will work for most general needs. ... I bet this will work for most general needs. https://www.libreoffice.org/

Forum: LIVE PLC Questions And Answers January 23rd, 2021, 04:56 PM

Replies: 3 OT: Hard times for robots Views: 509 Posted By ndzied1 OT: Hard times for robots Outside what used to be an RCA TV plant. Shame of a use of a good robot.

Forum: LIVE PLC Questions And Answers January 17th, 2021, 08:33 AM

Replies: 12 Weg cfw500 vfd issue Views: 607 Posted By ndzied1 I would try a factory reset of parameters and... I would try a factory reset of parameters and start over.

Forum: LIVE PLC Questions And Answers January 15th, 2021, 05:55 PM

Replies: 8 Codesys PLC can not go online Views: 647 Posted By ndzied1 Sometimes the Device scan doesn't work. Usually... Sometimes the Device scan doesn't work. Usually putting the ip address of the device in the drop down on the right side of the Device Scan page works.

Forum: LIVE PLC Questions And Answers January 13th, 2021, 01:35 PM

Replies: 5 Edge trigging in ST or SCL Views: 678 Posted By ndzied1 Not sure if it's in all ST packages but in... Not sure if it's in all ST packages but in CoDeSys (at least in v3.5) you can set a bit for a positive or negative edge trigger. The 'P' indicates positive edge, for Negative edge it would be an 'N'...

Forum: LIVE PLC Questions And Answers January 8th, 2021, 01:33 PM

Replies: 11 Opinions on methods Views: 887 Posted By ndzied1 Here's what I would do. This is definitely a... Here's what I would do. This is definitely a simplified version of what you describe (and hasn't been tested) and is in CoDeSys but the ideas apply. Define a UDT with the filtering and scaling...

Forum: LIVE PLC Questions And Answers January 8th, 2021, 01:02 PM

Replies: 7 Aren't these style of distribution blocks a violation of the NEC? Views: 756 Posted By ndzied1 If what you are saying is correct, then every... If what you are saying is correct, then every distribution block that allows smaller wires on the output side would be wrong. But this is not the case and would make absurd things necessary like a...

Forum: LIVE PLC Questions And Answers January 8th, 2021, 11:29 AM

Replies: 12 Ladder Logic "Flag" Views: 842 Posted By ndzied1 It sounds like you are referring to jumping to... It sounds like you are referring to jumping to specific rungs when using the ladder editor. If so, please let everyone know what ladder software you are using? Taking a guess that you are...

Forum: LIVE PLC Questions And Answers January 8th, 2021, 11:06 AM

Replies: 6 Do machine primary disconnects have to be switchable from outside the panel? Views: 549 Posted By ndzied1 NFPA lets you read NFPA 79 for free. You do have... NFPA lets you read NFPA 79 for free. You do have to sign up for a free account which means giving them your email address. You can't download with the free version but it is the real version. I...

Forum: LIVE PLC Questions And Answers January 8th, 2021, 11:02 AM

Replies: 11 Opinions on methods Views: 887 Posted By ndzied1 I believe best practice would be to have an... I believe best practice would be to have an instance of the AOI for each analog input. As LD said, I'm not sure how it would work otherwise. The number of tags you need will depend on how much...

Forum: LIVE PLC Questions And Answers January 8th, 2021, 10:51 AM

Replies: 6 Do machine primary disconnects have to be switchable from outside the panel? Views: 549 Posted By ndzied1 Specific to UL508A in the Industrial Machinery... Specific to UL508A in the Industrial Machinery section, the disconnect must be within or adjacent to the control panel.

Forum: LIVE PLC Questions And Answers January 7th, 2021, 11:16 AM

Replies: 14 Level in silo measurement - S7-1200 Views: 1,168 Posted By ndzied1 You mention measuring "level" but I'm thinking... You mention measuring "level" but I'm thinking you might mean you want to measure volume? Is this correct? If that is the case, I would look at the signal and when the level is below the conic...

Forum: LIVE PLC Questions And Answers December 30th, 2020, 10:25 PM

Replies: 3 Burning State Question Views: 812 Posted By ndzied1 I suspect you are using Rockwell but check out... I suspect you are using Rockwell but check out this part of the CoDeSys help file that describes some common interfaces for Function Blocks (AOI's). The concepts will apply to AOIs created in...

Forum: LIVE PLC Questions And Answers December 28th, 2020, 02:28 PM

Replies: 5 Xmas Puzzle 2020 (2) Views: 950 Posted By ndzied1 I got the same answer as L D [AR2,P#0.0] I got the same answer as L D [AR2,P#0.0]

Forum: LIVE PLC Questions And Answers December 27th, 2020, 08:44 PM

Replies: 5 Xmas Puzzle 2020 (2) Views: 950 Posted By ndzied1 Still trying to find some time to work on this.... Still trying to find some time to work on this. Please don’t give it away yet. I can guess the different interpretations.

Forum: LIVE PLC Questions And Answers December 26th, 2020, 09:11 AM

Replies: 6 Wow Views: 1,297 Posted By ndzied1 To me, if you are thinking that a digit 9 can be... To me, if you are thinking that a digit 9 can be added, then you are not thinking of an infinitely repeating decimal. That is the whole concept of infinity. It goes on forever. But that really is...

Forum: LIVE PLC Questions And Answers December 25th, 2020, 06:57 PM

Replies: 6 Wow Views: 1,297 Posted By ndzied1 But, how big is infinity? ... But, how big is infinity? https://www.ted.com/talks/dennis_wildfogel_how_big_is_infinity

Forum: LIVE PLC Questions And Answers December 23rd, 2020, 12:26 PM

Replies: 11 Recommended Ethernet cable for laptop Views: 889 Posted By ndzied1 +1 To this! Same Here +1 To this! Same Here

Forum: LIVE PLC Questions And Answers December 18th, 2020, 12:00 PM

Replies: 9 Making Step Pulses with Ramp Views: 930 Posted By ndzied1 The Easy4 from Eaton... The Easy4 from Eaton (https://www.eaton.com/us/en-us/catalog/machinery-controls/easye4.html) can do simple profiles for sending steps to a stepper driver. Here is a snipped from the help file for the...

Forum: LIVE PLC Questions And Answers December 18th, 2020, 11:12 AM

Replies: 47 Digital value to engineering units...where should I do the conversion? Views: 3,047 Posted By ndzied1 In Oklahoma, duty is $0.20 per Gallon. This part... In Oklahoma, duty is $0.20 per Gallon. This part remains constant regardless of the wholesale cost of the fuel. While we see the duty or tax on receipts for almost everything else we purchase,...

Forum: LIVE PLC Questions And Answers December 18th, 2020, 11:08 AM

Replies: 47 Digital value to engineering units...where should I do the conversion? Views: 3,047 Posted By ndzied1 Duty or what we would call tax on gas/petrol... Duty or what we would call tax on gas/petrol varies widely by state. As a Republic, each state sets its own rate. The minimum is $0.0895 / US Gallon in Alaska The maximum is $0.5860 / US Gallon...

Forum: LIVE PLC Questions And Answers December 18th, 2020, 09:54 AM

Replies: 47 Digital value to engineering units...where should I do the conversion? Views: 3,047 Posted By ndzied1 When I was a kid in school in the 1980's we were... When I was a kid in school in the 1980's we were told we would all be using the 'metric' system by the time we were adults. For a very short time new road signs were being put up with dual units...

Forum: LIVE PLC Questions And Answers December 17th, 2020, 01:02 PM

Replies: 47 Digital value to engineering units...where should I do the conversion? Views: 3,047 Posted By ndzied1 A furlong per fortnight is very close to a cm per... A furlong per fortnight is very close to a cm per minute... (just saying) And furlong per fortnight is very fun to say!

Forum: LIVE PLC Questions And Answers December 17th, 2020, 12:57 PM

Replies: 47 Digital value to engineering units...where should I do the conversion? Views: 3,047 Posted By ndzied1 Definitely heard about slugs. Learned both unit... Definitely heard about slugs. Learned both unit systems in undergrad. Never heard of slinches (of course now I have looked them up...)

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