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Search: Posts Made By: cardosocea
Forum: LIVE PLC Questions And Answers October 19th, 2018, 01:18 PM
Replies: 2
Views: 60
Posted By cardosocea
I was thinking of converting it to string in the...

I was thinking of converting it to string in the PLC.
Forum: LIVE PLC Questions And Answers October 19th, 2018, 01:14 PM
Replies: 5
Views: 123
Posted By cardosocea
In Step7, I believe you can fire off an OB at a...

In Step7, I believe you can fire off an OB at a set time... so as long as you don't have to change that you can run two OB's and just set/reset that output.

TIA Portal should allow the same......
Forum: LIVE PLC Questions And Answers October 18th, 2018, 07:40 AM
Replies: 4
Views: 186
Posted By cardosocea
I would say that the value is not constant, if...

I would say that the value is not constant, if you are planning on the user being able to change it. As such it will be just another tag in the program.
Forum: LIVE PLC Questions And Answers October 17th, 2018, 09:50 AM
Replies: 58
Views: 1,786
Posted By cardosocea
You're bound to have a long wait... ultimately...

You're bound to have a long wait... ultimately there is no best brand. There may be a best brand for an application and even that will depend on the perspective of everyone involved.
What irks me,...
Forum: LIVE PLC Questions And Answers October 17th, 2018, 02:48 AM
Replies: 58
Views: 1,786
Posted By cardosocea
The quote below is quite encompassing stating...

The quote below is quite encompassing stating that Ethernet is here and to be supported and I presented a situation where it isn't.
Yes, the conversation is about SLC's, but Ethernet comms doesn't...
Forum: LIVE PLC Questions And Answers October 17th, 2018, 02:20 AM
Replies: 6
Views: 193
Posted By cardosocea
I think my patience should be commended... I run...

I think my patience should be commended... I run a copy of V15 with about 4G RAM and one core.
Yes, it is slow, but usable. Although PLC Simulation is impossible and I suspect running HMI's too.
Forum: LIVE PLC Questions And Answers October 16th, 2018, 11:41 AM
Replies: 58
Views: 1,786
Posted By cardosocea
I know we disagree on Rockwell, but this is just...

I know we disagree on Rockwell, but this is just not the case.

I have a CLX with Ethernet... I can even buy ethernet cards for it too and guess what?? I can't use Point IO (an Ethernet based...
Forum: LIVE PLC Questions And Answers October 16th, 2018, 07:05 AM
Replies: 15
Views: 406
Posted By cardosocea
A computer with an AB driver to get the values...

A computer with an AB driver to get the values you want and a Modbus driver to supply these to the DCS system.

Or another AB PLC to serve as the gateway.
Forum: LIVE PLC Questions And Answers October 16th, 2018, 04:02 AM
Replies: 19
Views: 4,904
Posted By cardosocea
This is a major one. The UDT tag drop linking to...

This is a major one. The UDT tag drop linking to a template is fantastic. I have some energy meters that I want put in a SCADA system and was showing this to a colleague of mine and he was speechless.
Forum: LIVE PLC Questions And Answers October 15th, 2018, 03:13 AM
Replies: 58
Views: 1,786
Posted By cardosocea
You can say that the SLC500 is tried and tested...

You can say that the SLC500 is tried and tested and is reliable as a benefit.
Forum: LIVE PLC Questions And Answers October 15th, 2018, 02:27 AM
Replies: 26
Views: 1,111
Posted By cardosocea
You can load Codesys into the raspberry pi, but...

You can load Codesys into the raspberry pi, but there's no telling when the SD card will fry. This is a major concern...

The pi would allow you not to need an HMI I guess, but would add the cost...
Forum: LIVE PLC Questions And Answers October 14th, 2018, 10:06 AM
Replies: 10
Views: 237
Posted By cardosocea
How fast is OB32 running?

How fast is OB32 running?
Forum: LIVE PLC Questions And Answers October 12th, 2018, 10:18 AM
Replies: 19
Views: 849
Posted By cardosocea
I hope the guy buying it hates it as much as me...

I hope the guy buying it hates it as much as me but has enough "f^%$ you" money to wipe that off the face of the Earth.
Forum: LIVE PLC Questions And Answers October 12th, 2018, 05:03 AM
Replies: 11
Views: 445
Posted By cardosocea
Sorry, but this doesn't seem to be converted...

Sorry, but this doesn't seem to be converted Ladder into STL.

My strategy to understand what it was doing was to look at the end of the bracket if it was the intended result I needed out of that...
Forum: LIVE PLC Questions And Answers October 12th, 2018, 02:53 AM
Replies: 9
Views: 411
Posted By cardosocea
I doubt that most companies would contact you and...

I doubt that most companies would contact you and not give this, but I would nevertheless ask about their HMI and PLC programming standards.
Forum: LIVE PLC Questions And Answers October 11th, 2018, 03:58 AM
Replies: 37
Views: 1,418
Posted By cardosocea
On a residential property??? Not sure what...

On a residential property???
Not sure what country you were in, but do not assume that is an European thing. I can safely say all the sockets at my house are one foot from the floor.

What they...
Forum: LIVE PLC Questions And Answers October 11th, 2018, 03:48 AM
Replies: 10
Views: 494
Posted By cardosocea
Partly by knowing what the physical protocol or...

Partly by knowing what the physical protocol or media they are based on... and partly by whatever brand that particular protocol is associated with.
Forum: LIVE PLC Questions And Answers October 10th, 2018, 07:17 AM
Replies: 37
Views: 1,418
Posted By cardosocea
I wouldn't call it popular... And while it...

I wouldn't call it popular...

And while it is a completely different environment, everyone in Europe will have 240Vac at home. So one can say that the risk tolerance is already at that level and,...
Forum: LIVE PLC Questions And Answers October 10th, 2018, 05:11 AM
Replies: 8
Views: 288
Posted By cardosocea
IGSS communicates with Siemens and let's you use...

IGSS communicates with Siemens and let's you use 50 objects for free. Objects are not tags, so you can get quite a lot done with it.
Forum: LIVE PLC Questions And Answers October 9th, 2018, 04:06 PM
Replies: 37
Views: 1,418
Posted By cardosocea
I would hope that if you have a PLC already, the...

I would hope that if you have a PLC already, the button voltage would be 24Vdc.



There shouldn't really be a reason for anything larger than that... although I see it every day, in hazardous...
Forum: LIVE PLC Questions And Answers October 9th, 2018, 06:38 AM
Replies: 24
Views: 1,091
Posted By cardosocea
Fair point. I haven't tried Modbus support and it...

Fair point. I haven't tried Modbus support and it would look funky definitely.
Forum: LIVE PLC Questions And Answers October 9th, 2018, 05:37 AM
Replies: 24
Views: 1,091
Posted By cardosocea
Last time I looked it didn't. But it does...

Last time I looked it didn't. But it does understand Modbus and the S7-1500 has a Modbus Master software available for it. That would be a possibility, I guess, although far from straightforward.
...
Forum: LIVE PLC Questions And Answers October 8th, 2018, 07:28 AM
Replies: 14
Views: 522
Posted By cardosocea
If the drive "sees" no PLC comms are up, can you...

If the drive "sees" no PLC comms are up, can you program it to run at a set speed?

In my case, the VFD's have a digital signal from the PLC that in the event of a PLC failure, will switch and...
Forum: LIVE PLC Questions And Answers October 6th, 2018, 10:25 AM
Replies: 10
Views: 486
Posted By cardosocea
Siemens STL is actually Instruction List... which...

Siemens STL is actually Instruction List... which is very similar to Assembly, if you've ever used it.
Forum: LIVE PLC Questions And Answers October 6th, 2018, 03:38 AM
Replies: 13
Views: 478
Posted By cardosocea
Not to be pedantic, but the best explosion...

Not to be pedantic, but the best explosion protection is to not install ignition or heat sources in the hazardous area in the first place. This is something a lot of people miss ad jump into...
Showing results 1 to 25 of 500

 
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