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Search: Posts Made By: GaryS
Forum: LIVE PLC Questions And Answers November 27th, 2021, 06:58 PM
Replies: 14
Views: 1,027
Posted By GaryS
Always use both hard limits and soft limits ...

Always use both hard limits and soft limits
what are you going to do when the encoder fails the axis will crash without the hard limit
Forum: LIVE PLC Questions And Answers November 27th, 2021, 06:52 PM
Replies: 22
Views: 1,541
Posted By GaryS
A simple follower is what you need Servo 1 in the...

A simple follower is what you need Servo 1 in the commnd Servo simply follows Servo 1
don't make more complecated then it needs to be
Forum: LIVE PLC Questions And Answers November 19th, 2021, 01:30 PM
Replies: 11
Views: 890
Posted By GaryS
Look clear to me I:1 is an 24VDC digital...

Look clear to me

I:1 is an 24VDC digital input locatd in slot 1 bits 0-15 = Inputs 0-15

I:4.0 through I:4.15

I4: is a 16 Channel analog input module located in slot 4
words 0 - 15 are...
Forum: LIVE PLC Questions And Answers November 19th, 2021, 03:15 AM
Replies: 4
Views: 826
Posted By GaryS
I am sure it could be done but it will be...

I am sure it could be done but it will be complecated
hy not use a computer for the HMI display and setup as database to display only the data you want.

Whats it worth
Forum: LIVE PLC Questions And Answers November 19th, 2021, 03:12 AM
Replies: 23
Views: 2,354
Posted By GaryS
If as you say you need and have a redundant fan...

If as you say you need and have a redundant fan running on a VFD and you want to be able to switch fan motor for service or on a fan failure then I would say you missed the boat on that one. You more...
Forum: LIVE PLC Questions And Answers November 19th, 2021, 03:11 AM
Replies: 12
Views: 1,433
Posted By GaryS
The first and I feel the most important question...

The first and I feel the most important question is.
Is the welder power supply a generator supply or is it a transformed supply. This may seem like a minor issue but it could be very important. I...
Forum: LIVE PLC Questions And Answers November 10th, 2021, 02:07 AM
Replies: 5
Views: 635
Posted By GaryS
ICOM is well over 30 years updated I dosen't...

ICOM is well over 30 years updated
I dosen't support some later modules
Rockwell took then over and I don't know if you can even get copy actually they have an online and offline package and you...
Forum: LIVE PLC Questions And Answers October 31st, 2021, 12:42 AM
Replies: 9
Views: 1,451
Posted By GaryS
here is a link that may help ...

here is a link that may help

https://ingeardrivers.com/products/net-products/net-s7link/
Forum: LIVE PLC Questions And Answers October 28th, 2021, 12:20 PM
Replies: 14
Views: 1,371
Posted By GaryS
If you set the input to 4-20ma any value 4ma and...

If you set the input to 4-20ma any value 4ma and below is read in as 0
In the input module the chipset reads in 0 – 32767 depending on the bit resolution
But they limit what’s brought in to the...
Forum: LIVE PLC Questions And Answers October 28th, 2021, 03:43 AM
Replies: 14
Views: 1,371
Posted By GaryS
I will try and explain 20ma = 16384 counts ...

I will try and explain 20ma = 16384 counts
16384 / 20 = 819.2 that would be 1 ma = 819 counts
819 X 4 (ma) = 3276.8 or 3277 counts
so scale your input at 0 ma = 0 counts and 20ma = 16384 ...
Forum: LIVE PLC Questions And Answers October 28th, 2021, 02:33 AM
Replies: 14
Views: 1,371
Posted By GaryS
Set you Analog input to read in 020ma then...

Set you Analog input to read in 020ma
then set the scalling to 0 = -25 and 20ma = 100
anything below 4 ma will be displayed as a negaive value
I use this all the time it allows me to heck for...
Forum: LIVE PLC Questions And Answers October 27th, 2021, 01:19 AM
Replies: 12
Views: 2,280
Posted By GaryS
Tanks for the correction RoTaTech Spllchecker...

Tanks for the correction RoTaTech
Spllchecker can't catch those, I wil have to be more caefull in the future
Forum: LIVE PLC Questions And Answers October 26th, 2021, 03:44 AM
Replies: 13
Views: 1,752
Posted By GaryS
To answer you question about burned out motor I...

To answer you question about burned out motor I can't remember ever losing a motor and you will not if you install them correctly.
i have a milling machine with the table running a fector drive at...
Forum: LIVE PLC Questions And Answers October 26th, 2021, 03:31 AM
Replies: 17
Views: 2,048
Posted By GaryS
you need to stop and understang what is going on...

you need to stop and understang what is going on before you continue
Devicenet and DH+ are completly different networks
Devicenet is a low level network used to connect remote I/O devices to the...
Forum: LIVE PLC Questions And Answers October 26th, 2021, 03:19 AM
Replies: 12
Views: 2,280
Posted By GaryS
Shielded cable Grounding or Bonding as some call...

Shielded cable Grounding or Bonding as some call it has been a source of many conversation and speculation for years and I suspect that it will continue to be for a long time to come.

The best and...
Forum: LIVE PLC Questions And Answers October 20th, 2021, 03:01 PM
Replies: 14
Views: 1,532
Posted By GaryS
Actuall you can get an output voltage greater...

Actuall you can get an output voltage greater then the input on a vfd
example 120V single phase input - 230V 3 Phase output Yaskawa
I have one on the shelf
While I have never seen one at...
Forum: LIVE PLC Questions And Answers October 20th, 2021, 01:46 PM
Replies: 14
Views: 1,532
Posted By GaryS
You shouldn't have to do anything the Volts to...

You shouldn't have to do anything
the Volts to Hertz ration is the same
8 Volts to Hertz 480 / 60 = 8 400 /50 = 8 across the line motors will run just fime just a little slower
Base speed of...
Forum: LIVE PLC Questions And Answers October 17th, 2021, 12:43 PM
Replies: 9
Views: 964
Posted By GaryS
One advantage you have with changing everything...

One advantage you have with changing everything to ethernet is that you can prewire and build the network while the PLC is still running in production so there is no down time for that part.
If you...
Forum: LIVE PLC Questions And Answers October 17th, 2021, 04:28 AM
Replies: 31
Views: 3,392
Posted By GaryS
D - (24 X 36 ) is the standard for electrical...

D - (24 X 36 ) is the standard for electrical drawings
they can be printed fairly well as losw as 8.5 X 11 Letter
the larger format the better but sometimes the customer may require a certian...
Forum: LIVE PLC Questions And Answers October 17th, 2021, 04:20 AM
Replies: 9
Views: 964
Posted By GaryS
If it were my project I would just upgrade both...

If it were my project I would just upgrade both the remote I/O and the Data Highway Plus to Ethernet at the same time you upgrade the processor.
Before I get into details I would like to clarify...
Forum: LIVE PLC Questions And Answers October 13th, 2021, 02:30 AM
Replies: 13
Views: 1,752
Posted By GaryS
the link it just to sell you their motor there...

the link it just to sell you their motor
there are in fact many motors that meat that type of operation
most motors in use today are 3 Phase motors along with other consideations cheep to build...
Forum: LIVE PLC Questions And Answers October 13th, 2021, 02:11 AM
Replies: 22
Views: 2,257
Posted By GaryS
I think it would be doable the trick is to track...

I think it would be doable the trick is to track each set of products
a pulse generater of some type to connected to the conveyor or you could possabely detect the leading edge of the produce in...
Forum: LIVE PLC Questions And Answers October 13th, 2021, 02:05 AM
Replies: 6
Views: 863
Posted By GaryS
I don't see why o can't do it Set them up and...

I don't see why o can't do it
Set them up and tune each s needed
each PID output will be directed to a seperate tag
leave each PID control runs as normal
then have a selcter to copy the...
Forum: LIVE PLC Questions And Answers October 8th, 2021, 02:25 AM
Replies: 9
Views: 1,030
Posted By GaryS
I just had to try to give a few things to think...

I just had to try to give a few things to think about
The program scan timers are not relevant to reading data from the tag / data table in the PLC
I have seen program times of less than 2...
Forum: LIVE PLC Questions And Answers September 20th, 2021, 06:10 PM
Replies: 3
Views: 656
Posted By GaryS
First you don't need a servo to that, a good flux...

First you don't need a servo to that, a good flux vctor drive will do that.
use the encoder as an input speed referance the trickey part is getting the Acel and Decel
correct.
Look up line shaft...
Showing results 1 to 25 of 500

 
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