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Search: Posts Made By: BryanG
Forum: LIVE PLC Questions And Answers Yesterday, 07:19 AM
Replies: 14
Views: 356
Posted By BryanG
Or a very small PLC:...

Or a very small PLC: https://barth-elektronik.com/en/mini-plc-stg-500.html
60mm x 45mm x 15mm and 15mA (plus inputs)
Forum: LIVE PLC Questions And Answers October 15th, 2018, 10:46 AM
Replies: 7
Views: 146
Posted By BryanG
I could have been a bit more helpful, so, better...

I could have been a bit more helpful, so, better late than never.

http://www.redlion.net/products/industrial-automation/hmis-and-panel-meters/hmi-operator-panels
...
Forum: LIVE PLC Questions And Answers October 15th, 2018, 07:59 AM
Replies: 7
Views: 146
Posted By BryanG
Or Red Lion if the Windows CE bit isn't critical,...

Or Red Lion if the Windows CE bit isn't critical, or Beijer Ix panels if Windows CE is critical.
Forum: LIVE PLC Questions And Answers October 10th, 2018, 09:39 AM
Replies: 15
Views: 372
Posted By BryanG
That sounds like a Pole Changing method, but you...

That sounds like a Pole Changing method, but you Americans have some strange ways with motors:
https://www.quora.com/What-is-the-electrical-circuit-diagram-for-pole-changing-speed-control-method...
Forum: LIVE PLC Questions And Answers October 9th, 2018, 05:23 AM
Replies: 24
Views: 1,060
Posted By BryanG
Don't think Advanced HMI has a Siemens driver.

Don't think Advanced HMI has a Siemens driver.
Forum: LIVE PLC Questions And Answers October 4th, 2018, 05:49 AM
Replies: 2
Views: 140
Posted By BryanG
If doesn't have an HDMI port so you are never...

If doesn't have an HDMI port so you are never going to be able to directly connect a TV to it, however there may be a 'work around'. Most HMIs allow you to connect to it remotely from a...
Forum: LIVE PLC Questions And Answers September 28th, 2018, 02:47 AM
Replies: 18
Views: 653
Posted By BryanG
Four things to consider: You need a...

Four things to consider:

You need a consistently OK mobile signal with your chosen provider in the area of the machine.

A modem that will get you on to a mobile network.

A fixed address on...
Forum: LIVE PLC Questions And Answers September 24th, 2018, 03:40 PM
Replies: 18
Views: 357
Posted By BryanG
You can use TSEND_C to squirt data out of a PLC...

You can use TSEND_C to squirt data out of a PLC and TRCV_C to receive it, but you would have to do your own error correction. Or a more roundabout way would be to use Modbus TCP master and slave. I...
Forum: LIVE PLC Questions And Answers September 24th, 2018, 02:42 AM
Replies: 8
Views: 400
Posted By BryanG
Stepper motors aren't a new invention, if is was...

Stepper motors aren't a new invention, if is was cheaper or more practical to use a stepper motor in an application, you can be pretty certain that it would already be done. You can get big stepper...
Forum: LIVE PLC Questions And Answers September 14th, 2018, 07:06 AM
Replies: 29
Views: 982
Posted By BryanG
So that is a definite 'No' to the regenerative...

So that is a definite 'No' to the regenerative braking then. I will keep plugging away, but the law of averages I must eventually have a good idea.
Forum: LIVE PLC Questions And Answers September 14th, 2018, 05:08 AM
Replies: 29
Views: 982
Posted By BryanG
Or you could look at Regenerative Braking. I...

Or you could look at Regenerative Braking. I know little about the Siemens G120 but a quick search seems to say that you can add modules to give regenerative braking....
Forum: LIVE PLC Questions And Answers September 13th, 2018, 07:08 AM
Replies: 29
Views: 982
Posted By BryanG
The drive knows when it is braking, isn't there...

The drive knows when it is braking, isn't there anyway to use that to trim the speed of the drive?


edit:

Hadn't though that through, you would have to trim to speed of the second drive.
Forum: LIVE PLC Questions And Answers September 13th, 2018, 03:47 AM
Replies: 29
Views: 982
Posted By BryanG
I am probably not understanding the problem...

I am probably not understanding the problem correctly, but why would a different supply frequency cause the motors powered by VSDs to run any differently? There isn't any direct connection between...
Forum: LIVE PLC Questions And Answers September 12th, 2018, 06:11 AM
Replies: 11
Views: 518
Posted By BryanG
With so many 'don't knows' you are either going...

With so many 'don't knows' you are either going to have to attach a logger so that you find out the current the motor pulls and then make some guesses. Or it will cost you about 600 to get a good...
Forum: LIVE PLC Questions And Answers September 12th, 2018, 06:03 AM
Replies: 4
Views: 224
Posted By BryanG
Link to a possible manual:...

Link to a possible manual:...
Forum: LIVE PLC Questions And Answers September 12th, 2018, 04:39 AM
Replies: 4
Views: 224
Posted By BryanG
Maybe if you tell us the VSD make and type we can...

Maybe if you tell us the VSD make and type we can help.
Forum: LIVE PLC Questions And Answers September 3rd, 2018, 10:19 AM
Replies: 2
Views: 236
Posted By BryanG
Things like this interest me, so I did a quick...

Things like this interest me, so I did a quick websearch and found this on the Siemens forum:

...
Forum: LIVE PLC Questions And Answers September 2nd, 2018, 05:50 AM
Replies: 9
Views: 837
Posted By BryanG
Two possibilities. In the list of things where...

Two possibilities. In the list of things where you select Program on the Easy, the next one down I think is Parameter. In Easysoft in Parameter display you can choose which parameters can be...
Forum: LIVE PLC Questions And Answers August 31st, 2018, 02:53 AM
Replies: 9
Views: 837
Posted By BryanG
The only bit you might have got wrong using the...

The only bit you might have got wrong using the onboard screen is that you have to draw a line from the I1 contact to the DB function. I can't remember which button you press to get the line to draw,...
Forum: LIVE PLC Questions And Answers August 30th, 2018, 04:46 AM
Replies: 10
Views: 339
Posted By BryanG
The addresses look a bit wonky, Microwin normally...

The addresses look a bit wonky, Microwin normally takes address 0 and the PLC addresses after that. Maybe try setting the Microwin address back to 0 in Communications / Set PG/PC Interface / PC PPI...
Forum: LIVE PLC Questions And Answers August 30th, 2018, 03:59 AM
Replies: 9
Views: 837
Posted By BryanG
Smile I was scratching my head trying to find...

I was scratching my head trying to find Initialize and Copy, I was about to download a later version of Easysoft in case they had modified the DB...
Forum: LIVE PLC Questions And Answers August 29th, 2018, 02:28 AM
Replies: 9
Views: 837
Posted By BryanG
You use the DB Data Block function to transfer...

You use the DB Data Block function to transfer values from one place to another. So you could transfer a fixed number in to a variable that you use as the setpoint for your timer. I haven't used...
Forum: LIVE PLC Questions And Answers August 20th, 2018, 02:41 AM
Replies: 20
Views: 1,053
Posted By BryanG
So time for some simple diagnostics. Temporarily...

So time for some simple diagnostics. Temporarily swap the Modbus Address of a fully working meter with the part working meter, obviously making sure that it won't cause problems anywhere else in the...
Forum: LIVE PLC Questions And Answers August 18th, 2018, 12:26 PM
Replies: 6
Views: 468
Posted By BryanG
A PLC usually loads the values of I/O, then runs...

A PLC usually loads the values of I/O, then runs all the code, then writes to the outputs, I would be amazed if the PLC wasn't fast enough to see the input unless the input is incredibly fast or your...
Forum: LIVE PLC Questions And Answers August 17th, 2018, 05:53 AM
Replies: 1
Views: 114
Posted By BryanG
Make sure that both MD10 and the memory location...

Make sure that both MD10 and the memory location you are storing the result are both defined as Real, and you divide by 10.0, not 10. Sometimes even then TIA Portal seems to do its own thing. you...
Showing results 1 to 25 of 500

 
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