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Search: Posts Made By: GaryS
Forum: LIVE PLC Questions And Answers April 19th, 2019, 10:32 AM
Replies: 31
Views: 2,903
Posted By GaryS
Wow For a simple project it would seem that...

Wow
For a simple project it would seem that some of you want to make things far more complicated than is necessary or desirable.
Using a small processor like the 1400 at each gate is not going...
Forum: LIVE PLC Questions And Answers April 18th, 2019, 09:44 PM
Replies: 7
Views: 387
Posted By GaryS
I have installed VFD's on older motors in the...

I have installed VFD's on older motors in the past that would include open frame type slip-ring motors maid in 30's 40"s and some worked fine and others burned out the motor. there is just not real...
Forum: LIVE PLC Questions And Answers April 18th, 2019, 09:26 PM
Replies: 1
Views: 134
Posted By GaryS
RS232 is only 5 VDC signal you should always use...

RS232 is only 5 VDC signal you should always use a shielded cable on it.
The shield should be terminated only at one place, usually at the source end.
The cable run should be as short as...
Forum: LIVE PLC Questions And Answers April 17th, 2019, 11:05 PM
Replies: 9
Views: 266
Posted By GaryS
I am not quite clear in the indexing one index...

I am not quite clear in the indexing
one index move moves all 4 parts to the next position like there are in a 4 pocked fixture
or one index mover each part to the next position
if it one part...
Forum: LIVE PLC Questions And Answers April 16th, 2019, 10:53 AM
Replies: 31
Views: 1,234
Posted By GaryS
You are using interpose relays on these aren't...

You are using interpose relays on these aren't you
79VA is a large load for a direct output as stated 3.75 Amps in rush remember it could be even higher
most solid stated outputs limit the...
Forum: LIVE PLC Questions And Answers April 15th, 2019, 04:08 PM
Replies: 31
Views: 1,234
Posted By GaryS
I don't know if anybody looked at the data sheet...

I don't know if anybody looked at the data sheet for the valves but they are AC voltages
220VAC or 24VAC
you can not use a diode on these in fact putting a diode on them will damage the output...
Forum: LIVE PLC Questions And Answers March 29th, 2019, 01:21 PM
Replies: 20
Views: 1,404
Posted By GaryS
There are a number of things to look at when...

There are a number of things to look at
when you measure the voltage always measure Hot to Hot, Each Hot to Nut, each Hot to Ground and Nut to ground this will give a clear picture of the voltages ...
Forum: LIVE PLC Questions And Answers March 29th, 2019, 11:07 AM
Replies: 8
Views: 367
Posted By GaryS
Ill take a shot at it It looks to me like the...

Ill take a shot at it
It looks to me like the 1734 EP24DC is used to add additional power to the modules on it's left. with 10 modules they are about at the limit for the power supply they just...
Forum: LIVE PLC Questions And Answers March 26th, 2019, 09:41 PM
Replies: 11
Views: 322
Posted By GaryS
This sounds like it's a safety relay if so it...

This sounds like it's a safety relay if so it must be replaced with another safety relay
those are Forced Guided Contacts
You may try to place the relay inside a NEMA 4 enclosure to protect it.
Forum: LIVE PLC Questions And Answers March 22nd, 2019, 01:04 PM
Replies: 13
Views: 785
Posted By GaryS
No they are not free but they will give you a...

No they are not free but they will give you a free demo to try it out
I have used their active X version on projects worked as expected no problems
bot the new modern PC you need the net version ...
Forum: LIVE PLC Questions And Answers March 22nd, 2019, 12:50 PM
Replies: 38
Views: 2,118
Posted By GaryS
it look like you have the torque in the wrong...

it look like you have the torque in the wrong direction an increase in motor torque the feed back torque drops
I assume brown is feedback torque green is motor torque
the unwinder torque must be...
Forum: LIVE PLC Questions And Answers March 22nd, 2019, 12:21 PM
Replies: 38
Views: 2,118
Posted By GaryS
This would be a good application for a common...

This would be a good application for a common buss configuration.
first make sure that the drives can do torque control some can and some can't not just torque limit
Remember the torque in the...
Forum: LIVE PLC Questions And Answers March 22nd, 2019, 11:28 AM
Replies: 13
Views: 785
Posted By GaryS
Here's what you need works with a standard PC ...

Here's what you need works with a standard PC
https://ingeardrivers.com/
Forum: LIVE PLC Questions And Answers March 22nd, 2019, 12:00 AM
Replies: 38
Views: 2,118
Posted By GaryS
I am going to try and give some help if I can ...

I am going to try and give some help if I can
As I think was said earlier we donít have all the information there are still a lot of unknowns
In your setup the winder has no tension feedback they...
Forum: LIVE PLC Questions And Answers March 21st, 2019, 10:24 PM
Replies: 38
Views: 2,118
Posted By GaryS
I agree there must be a set of nip rolls to set...

I agree there must be a set of nip rolls to set and control the line speed
these would be the master speed reference
All 3 rolls Rewind and unwind must have load cells or dancers to measure web...
Forum: LIVE PLC Questions And Answers March 8th, 2019, 08:38 PM
Replies: 7
Views: 641
Posted By GaryS
This is the only one that I would go with they...

This is the only one that I would go with
they are designed for lifting and hoisting applications not just a label on a standard drive
Every lift is safety check before and after every move, a ...
Forum: LIVE PLC Questions And Answers March 4th, 2019, 10:22 AM
Replies: 9
Views: 637
Posted By GaryS
Why do all that work just use the HSC rate input...

Why do all that work just use the HSC rate input and then a simple math calculation to in/min
Forum: LIVE PLC Questions And Answers March 3rd, 2019, 03:23 AM
Replies: 34
Views: 3,030
Posted By GaryS
You say the last conveyor is the one that gives...

You say the last conveyor is the one that gives you most trouble. Is also a decline conveyor that meand the conveyor is holding the load back.
First as I have said before your drives are undersized...
Forum: LIVE PLC Questions And Answers March 3rd, 2019, 02:43 AM
Replies: 16
Views: 1,185
Posted By GaryS
Do you really need a servo controller depending...

Do you really need a servo controller depending your application you may not need a servo at all.
I have been able to us a good vector drive and motor in place of many servo drive systems.
you...
Forum: LIVE PLC Questions And Answers March 3rd, 2019, 02:35 AM
Replies: 12
Views: 882
Posted By GaryS
Just a few thoughts that may help you You sais...

Just a few thoughts that may help you
You sais that you are using an encoder
1 round of the motor : 36000 pulse
If I understand it your encoder delivers 36,000 pulse per motor rev.
Just how...
Forum: LIVE PLC Questions And Answers February 26th, 2019, 07:16 PM
Replies: 17
Views: 823
Posted By GaryS
What you are looking for is called a lighting...

What you are looking for is called a lighting contactor
you can get them in 6 to 12 poles
Forum: LIVE PLC Questions And Answers February 25th, 2019, 08:20 AM
Replies: 15
Views: 1,006
Posted By GaryS
Your motor failure is probably first turn...

Your motor failure is probably first turn failure. It's common on noinverter duty motors.
you are usually safe to double the base speed of a motor or 120hz I have in past had motors custom balanced...
Forum: LIVE PLC Questions And Answers February 23rd, 2019, 03:09 AM
Replies: 15
Views: 1,006
Posted By GaryS
A few thoughts on this To answer the first...

A few thoughts on this
To answer the first question
“when running a motor over 60hz, when does the output voltage equal base voltage or max output voltage?”

The effective VFD output voltage...
Forum: LIVE PLC Questions And Answers February 23rd, 2019, 12:00 AM
Replies: 2
Views: 528
Posted By GaryS
In this case vague is an understatement. What are...

In this case vague is an understatement. What are you trying to actually measure or do?

pounds per linear inch

The weight of the open web, the total length of the material on the winder roll or...
Forum: LIVE PLC Questions And Answers February 22nd, 2019, 11:15 PM
Replies: 19
Views: 1,386
Posted By GaryS
I for one have used many of them over the years...

I for one have used many of them over the years and find they work very well.
A few things to consider, don’t over torque them they can break and open up then they don’t hold at all in fact they...
Showing results 1 to 25 of 500

 
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