Paul_M

You don't legally. You pay for it.

Google the differences in layer 2 and layer 3 communication.    The Ewon VPN will only pass an IP address not the profinet name it is looking for.

Siemens do have built in memory bits that allow you to do just what you are wanting. Called clock bits.    

On basic ones yes, others can give an analogue signal dependent on how hard it is depressed, via a strain gauge or linear pot.

Click on the tag within the interface box at the top of the screen.  Press Ctrl+Shift+F.  This will take you to the first place it is used in the routine, press again for the next and so on. Ctrl+Shift+B will take you backward through the routine.  

Right click on the DB.   Choose properties.    Click on optimized block access.    It will change the DB structure to absolute rather than symbolic. 

Have you tuned optimised access off for the DB you are reading/writing to?

On my laptop I just press  [FN]+[Print Screen] then past into paint or similar.  [FN]+[ALT]+[Print Screen] just screenshots the active window.   

Just a point to add that I don't see mentioned here. These batteries do not recharge. Once they're dead they stay that way. 

UL 508A specifically covers control panels built for sale in the US.

Hi all,  Having issues with the above.  It's seeing items MAC addresses, allows me to set required IP addresses but then will not let me service a disable dhcp command.  It's the newest version I think (V3.01.00) Running on win 7 if that makes a difference.  Not a huge issue as all I've been doing is using an older version on a different VM to set IP addresses. More an inconvenience. Just wondering if people have had similar issues, googling this version hasn't shed any light on the issue.

Hmmm, I did one the other week straight from the USB.  New project to download and test, firmware was updated over the USB. 

I've found the USB ports on the newer processors to be a god send.  Shame they don't have similar on the remote I/O header modules yet. 

The new TIA V14 isn't all that bad, the SCADA/HMI package I find far more intuitive to use than rockwells ME/SE

Hi Dan,  I've done it that way round in the past too.  Just a pain as I never had any issues with older versions. Seems someone at Rockwell likes introducing bugs.     

ME - Used for HMIs SE - SCADA applications

Have you added the same tag in the HMI as well as the PLC? 

For anyone also looking for this. UL Document 845 covers it. 

We have had an enquiry from a customer in Atlanta GA. They require what we would describe as a Form 4 MCC. (A panel with individual compartments for each motor starter). I’m unsure of the American terminology for Form 4, so googling information is proving difficult. I was wondering if anyone can point me to any regulations these may fall under outside of UL508, I’m currently at tendering side and don’t want to fall foul. We do design and build quite a lot of Form 2 panels for sale in the US, so knowledge of the circuit design isn't an issue. I know in the UK that form 4 has a different set of rules around it. 

The pics aren't compatible with anything newer than XP SP2, confirmed by rockwell.  I have had them working with a serial to USB adapter but it was hit an miss on what brand worked and didn't. 

Software version: TIA Portal V13 SP1 Update 5 PLC: S7-1515 Currently monitoring two Double words within seperate DB's to trigger an an output. On compilation I get the error "The address is not occupied by a tag" The code works, and downloads fine. My OCD isn't liking the fact I've got errors though. Is there another way of doing this that won't cause the error? (Please ignore the glaring spelling error haha)  

I haven't found one myself, was hoping someone had stumbled across one. 

What populates the bits of MW100? Why are you trying to convert it from a BCD to an integer?

Yes Step 7 classic relied more on direct addressing rather than tag based addressing like TIA.  I had thought about doing that, was just wondering if I had missed something glaringly obvious. TIA seems to have that many tick box's hidden here there and everywhere. 

Something like this? Not sure on your alarm application. Are you just wanting to trigger a bit? Link to the alarms on a HMI?