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Search: Posts Made By: mk42
Forum: LIVE PLC Questions And Answers July 2nd, 2020, 08:56 AM
Replies: 7
Views: 252
Posted By mk42
Which Siemens panel are you looking to replace?...

Which Siemens panel are you looking to replace? What are you looking for in a panel?



Data logging? Scripting? Recipes?


Just simple Push button, tell PLC?
Forum: LIVE PLC Questions And Answers July 1st, 2020, 10:12 AM
Replies: 11
Views: 507
Posted By mk42
Remote IO hard wired into their IO would provide...

Remote IO hard wired into their IO would provide no connectivity between the two CPUs, so it could qualify. However, you would have a network connection from one plant to the other, even if it...
Forum: LIVE PLC Questions And Answers June 30th, 2020, 03:06 PM
Replies: 10
Views: 851
Posted By mk42
This right here. I was trying to find the words...

This right here. I was trying to find the words to say that in my post above, and ended up deleting it because my words sounded dumb.



You said it better and more concisely than I could.
Forum: LIVE PLC Questions And Answers June 30th, 2020, 03:03 PM
Replies: 11
Views: 507
Posted By mk42
I'm going to be frank, as far as I'm concerned,...

I'm going to be frank, as far as I'm concerned, your client is asking you to do something dumb. I guess I could be wrong.



You'll probably spend enough money to buy & troubleshoot the HW...
Forum: LIVE PLC Questions And Answers June 29th, 2020, 04:13 PM
Replies: 20
Views: 746
Posted By mk42
This is the part that I was confused about as...

This is the part that I was confused about as well.
Forum: LIVE PLC Questions And Answers June 29th, 2020, 12:06 PM
Replies: 2
Views: 231
Posted By mk42
Install V15.1. You can download it from the...

Install V15.1. You can download it from the support site. Lots of versions of Portal can be installed side by side, with the exception you can only have 1 SCADA class HMI package (WinCC Prof, WinCC...
Forum: LIVE PLC Questions And Answers June 29th, 2020, 11:30 AM
Replies: 11
Views: 507
Posted By mk42
I would agree with Vlad. The network cable should...

I would agree with Vlad. The network cable should be long, not the signal wires.


If you're using Remote IO, it is usually placed near to the IO. You can then do your communication via fiber...
Forum: LIVE PLC Questions And Answers June 27th, 2020, 05:45 PM
Replies: 20
Views: 746
Posted By mk42
You say "worked as intended". What was the...

You say "worked as intended". What was the desired result, and what specifically happened instead?




It's been a long time since I've messed with STL, but, as far as I know, there is no...
Forum: LIVE PLC Questions And Answers June 27th, 2020, 02:30 PM
Replies: 14
Views: 631
Posted By mk42
No specific S5 experience, but: My guess...

No specific S5 experience, but:


My guess is that the scaling is off. 4mA is 0 for unipolar, but 12mA is 0 for Bipolar.
Forum: LIVE PLC Questions And Answers June 26th, 2020, 10:18 AM
Replies: 11
Views: 564
Posted By mk42
wait, what'd I do now? :scratch:

wait, what'd I do now? :scratch:
Forum: LIVE PLC Questions And Answers June 26th, 2020, 10:15 AM
Replies: 23
Views: 1,176
Posted By mk42
SSD over spinning disks for sure. If you can do...

SSD over spinning disks for sure. If you can do high speed M.2 drives over SATA SSDs, even better. I'd recommend at least 1TB if you're doing VMs, the split 500GB/1TB option listed above seems like...
Forum: LIVE PLC Questions And Answers June 25th, 2020, 04:14 PM
Replies: 15
Views: 988
Posted By mk42
Regardless, I honestly don't think BACnet would...

Regardless, I honestly don't think BACnet would be a high priority for many maker type applications, which seem to be the official target. Then again, I'm half-suprised they kept comms in for...
Forum: LIVE PLC Questions And Answers June 25th, 2020, 04:07 PM
Replies: 20
Views: 1,174
Posted By mk42
It depends a bit on brand, and whether you need...

It depends a bit on brand, and whether you need L2/MAC access to the devices, or if L3/IP is OK.


I actually typically set up multiple networks for my VMs. One NAT to go to the internet, and one...
Forum: LIVE PLC Questions And Answers June 24th, 2020, 12:58 PM
Replies: 15
Views: 593
Posted By mk42
In addition, you now mark it retentive tag by...

In addition, you now mark it retentive tag by tag, instead of for the whole DB (as long as you're using the default optimized setting). Retentive memory is still limited, of course, unless you use...
Forum: LIVE PLC Questions And Answers June 24th, 2020, 10:12 AM
Replies: 15
Views: 593
Posted By mk42
Every time the PLC goes from STOP to RUN, all...

Every time the PLC goes from STOP to RUN, all data not marked as "Retentive" gets set back to its start value. I/M/Q memory all goes to 0. All tags in a DB go to whatever value is assigned as the...
Forum: LIVE PLC Questions And Answers June 22nd, 2020, 06:25 PM
Replies: 37
Views: 1,360
Posted By mk42
Since you're mentioning it, I'm assuming you...

Since you're mentioning it, I'm assuming you already know, but you definitely want to ensure there aren't any cables where it is a fixed speed on one side and auto-negotiate on the other. It causes...
Forum: LIVE PLC Questions And Answers June 22nd, 2020, 08:29 AM
Replies: 37
Views: 1,360
Posted By mk42
I thought it was funny enough to tell to my wife,...

I thought it was funny enough to tell to my wife, who promptly gave me that "i'm glad you're happy, dear, but you're talking gibberish" eyebrow.
Forum: LIVE PLC Questions And Answers June 18th, 2020, 08:03 PM
Replies: 5
Views: 560
Posted By mk42
Yes

Yes
Forum: LIVE PLC Questions And Answers June 18th, 2020, 09:05 AM
Replies: 9
Views: 499
Posted By mk42
I think he was referring to the openness scripter...

I think he was referring to the openness scripter (a tool to simplify the whole openness process), which can be found here:



https://support.industry.siemens.com/cs/us/en/view/109742322
Forum: LIVE PLC Questions And Answers June 17th, 2020, 09:40 PM
Replies: 10
Views: 851
Posted By mk42
Open source has brought a lot of benefits to the...

Open source has brought a lot of benefits to the PC programming world. The PLC world has picked up some of those, buried deep inside the FW, but most of the software we interact with is still very...
Forum: LIVE PLC Questions And Answers June 17th, 2020, 04:57 PM
Replies: 3
Views: 281
Posted By mk42
THis is a potentially solvable problem. In the...

THis is a potentially solvable problem. In the 1200, you can use D_ACT_DP to activate and deactivate devices. The PLC doesn't try to talk to a deactivated device, and no errors are reported if it...
Forum: LIVE PLC Questions And Answers June 17th, 2020, 10:09 AM
Replies: 4
Views: 272
Posted By mk42
You need to make the timer PT a tag, then that...

You need to make the timer PT a tag, then that tag can be linked to the HMI. Note that although the PLC will allow you to enter times like 5min27s, all times on the HMI will be in ms.


If you...
Forum: LIVE PLC Questions And Answers June 16th, 2020, 01:27 PM
Replies: 17
Views: 1,093
Posted By mk42
I would think you need a separate tag which is...

I would think you need a separate tag which is the length of the string in the PLC.


Byte 0 max length
Byte 1 current length
Byte 2+ actual string.


If you never change byte 1, the PLC will...
Forum: LIVE PLC Questions And Answers June 14th, 2020, 10:37 PM
Replies: 5
Views: 409
Posted By mk42
In Siemens world, I've seen this solved with...

In Siemens world, I've seen this solved with In/Outs before. InOuts only act as a pointer, instead of copying directly, so there are a few extra tricks you can use.



Does that help on the AB...
Forum: LIVE PLC Questions And Answers June 13th, 2020, 01:23 PM
Replies: 3
Views: 387
Posted By mk42
I'm going to pretend your signature never...

I'm going to pretend your signature never happened, so i can keep helping you with a clear conscience :p





Oh god, this happens all the time, even though it theoretically isn't supposed to. ...
Showing results 1 to 25 of 500

 
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