TIA Portal - Siemens G120 Torque Reading?

orangestorm87 · Aug 28, 2016

I have a project where I need to get the torque reading from a G120 drive. I have communications setup over profinet.

I am currently using the "PZD_G120_TEL_352" function block to control the drive. The drive responses to all commands, start fwd, start reverse, speed changes, so I know my comms are good.

However, the "actual_torque" value fromt he TEL_352 block is always 0. If I go online with the drive, I can see the value for actual torque smoothed change as the drive runs.

So my question is, how do I get a torque value from this drive in my PLC?

JRW · Aug 28, 2016

Is P922 set to 352?
R80 is reading what value? Check out P2051.3

orangestorm87 · Aug 28, 2016

P922 is set to 352

I can't seem to see R80, maybe that is because I am not online with my drive at the moment? Or are you saying, it will be in P2051.3?

JRW · Aug 28, 2016

Look at r80 in the expert list. See it?
That's the value sent out in index 3 of 2051
Yes. You have to be online to see actual values sent out
You can also change p922 to free bico and send out any r value you want

orangestorm87 · Aug 28, 2016

This is my first project with siemens anything, so I am a bit unsure of exactly how all this works.

I can see the "extended parameters list" but no expert list when I go to my drive, parameters.

I have a feeling I wont get this to work, what is the easiest way to get one parameter from a drive? Should I be using a different function block?

orangestorm87 · Aug 28, 2016

And, I can't see R80 in the list at all, so unless you are saying you cannot see that parameter unless you are online, I don't think I will be able to see it at all.

JRW · Aug 28, 2016

Do some screen shots then we can avoid most of the questions

orangestorm87 · Aug 28, 2016

JRW · Aug 28, 2016

Start your drive- see my screen shot
Anything in r80? - Use display extended pars
Hopefully you can see mine- its small

JRW · Aug 28, 2016

For a test
If p922 is changed to 999- free bico
Put 100% where r80 was and see if you get anything back

orangestorm87 · Aug 28, 2016

Unfortunately I am in Switzerland right now, so its getting late. I am at the hotel and not near the drive. So I cannot do this until tomorrow.

I have to get some sleep, but I will check this thread once more in the morning if you have any suggestions for me.

JRW · Aug 28, 2016

Try what I suggested and get back to us

orangestorm87 · Aug 29, 2016

Well when I got back online with the drive everything seemed ok. So I attempted a factory reset of it, then re-downloaded my project configuration to it.

Seemed to work this time. So I guess that will have to be the final answer on this one.

Thanks for the help though!

TIA Portal - Siemens G120 Torque Reading?

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