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Search: Posts Made By: NetNathan
Forum: LIVE PLC Questions And Answers February 23rd, 2018, 08:11 PM
Replies: 22
Views: 542
Posted By NetNathan
Here is a link to a conversion table and you can...

Here is a link to a conversion table and you can see where psig more or less disappears.....including inHg..

http://www.digivac.com/wp-content/uploads/2014/10/Unit_Conversion_Table_Short.png
Forum: LIVE PLC Questions And Answers February 23rd, 2018, 02:42 PM
Replies: 22
Views: 542
Posted By NetNathan
What is the vacuum pump used for? There are...

What is the vacuum pump used for?
There are many different types of vacuum pumps covering many different levels of vacuum required.

Mfg and Model number?

Using PSIG may not be enough...
Forum: LIVE PLC Questions And Answers February 23rd, 2018, 12:10 AM
Replies: 22
Views: 542
Posted By NetNathan
Oh.. You want to monitor and/or control at this...

Oh..
You want to monitor and/or control at this level..

Fredericks Company - "Televac"
https://www.frederickscompany.com/televac-vacuum-measurement/

MKS ...one of the best in manometers...
Forum: LIVE PLC Questions And Answers February 22nd, 2018, 10:08 PM
Replies: 22
Views: 542
Posted By NetNathan
To be correct... There is no true "Absolute...

To be correct...

There is no true "Absolute Zero" in pressure...a perfect void does not exist... yet.
But....They do a good job at pushing the decimal point at the bottom.

Normal...
Forum: LIVE PLC Questions And Answers February 21st, 2018, 08:52 PM
Replies: 20
Views: 726
Posted By NetNathan
I use a relay on my High Limit. I use one...

I use a relay on my High Limit.
I use one contact is to tell PLC the High Limit has tripped.
I use another other contact to break the signal from the PLC output to the Heat contactor.
Forum: LIVE PLC Questions And Answers February 20th, 2018, 04:31 PM
Replies: 20
Views: 726
Posted By NetNathan
Actually..... with most heating systems... The...

Actually..... with most heating systems...
The High Limit control, to shut off heat, cannot be only in the PLC... NFPA 86 (Standard for Ovens and Furnaces) regulates this.
You MUST have a separate...
Forum: LIVE PLC Questions And Answers February 18th, 2018, 12:12 AM
Replies: 18
Views: 306
Posted By NetNathan
When you upload...you will get "Logic Source -...

When you upload...you will get "Logic Source - Not Equal".
I assume this is because the Source of the Logic was the RX3i and not ME.

After you download...now ME becomes the Source so now you...
Forum: LIVE PLC Questions And Answers February 17th, 2018, 11:53 AM
Replies: 17
Views: 485
Posted By NetNathan
Another tip.. Get your TC plugs and jacks...

Another tip..

Get your TC plugs and jacks for your extension wire here. WAY easier to wire using "Jab In style" connectors.
http://marlinmfg.com/products/connectorsStripanels/fJab2Pole.html...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 09:47 PM
Replies: 17
Views: 485
Posted By NetNathan
For that range "T" should be fine. However...you...

For that range "T" should be fine. However...you also mention "pilots" and "burners", which are 1000 deg up to as high as 2200 degrees F.

Special Limits of Error: These thermocouples are made...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 07:34 PM
Replies: 17
Views: 485
Posted By NetNathan
What temps do you want? Usually T is good...

What temps do you want?

Usually T is good for near ambient to freezing, but if you are looking to monitor Pilots and burners, you are very close to the upper limit of J, I would go to K.
...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 05:19 PM
Replies: 8
Views: 358
Posted By NetNathan
That is the one...great utility

That is the one...great utility
Forum: LIVE PLC Questions And Answers February 16th, 2018, 02:15 PM
Replies: 18
Views: 306
Posted By NetNathan
However....I entered the move_word again to %G...

However....I entered the move_word again to %G again and everything is equal now...
So I must have done something wrong yesterday.

What is the difference in Program Logic and Program Logic...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 01:11 PM
Replies: 18
Views: 306
Posted By NetNathan
Yes..yes But I think you are thinking of...

Yes..yes
But I think you are thinking of "Program Logic - EQUAL", not "Program Logic Source - EQUAL"


After I edited the logic with the move_word installed, it was an online edit, so it should...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 12:32 PM
Replies: 18
Views: 306
Posted By NetNathan
When I did a "Verify Equality". I got all...

When I did a "Verify Equality".
I got all "equal" except..
Program Logic Source - NOT EQUAL

I deleted my move_word instruction (%AI513 to %G1) and downloaded then did "Verify Equality" and...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 09:03 AM
Replies: 18
Views: 306
Posted By NetNathan
Lets backpedal on this... I get "Logic Source -...

Lets backpedal on this...
I get "Logic Source - Not Equal" using the G words.
I assume this is because they are restricted to "Genius Bus" comm words, and I have no Genius Bus configured.
Forum: LIVE PLC Questions And Answers February 15th, 2018, 04:53 PM
Replies: 18
Views: 306
Posted By NetNathan
Yes that works..tested....but have not tried the...

Yes that works..tested....but have not tried the reverse yet.
Forum: LIVE PLC Questions And Answers February 14th, 2018, 05:59 PM
Replies: 18
Views: 306
Posted By NetNathan
Done that I have verified that nothing is looking...

Done that I have verified that nothing is looking at %I601 thru %I616.

Next challenge.....I want to convert %Q601 thru %Q616 to be read into %R414
Same procedure...Make %Q601 an INT and use...
Forum: LIVE PLC Questions And Answers February 14th, 2018, 04:18 PM
Replies: 18
Views: 306
Posted By NetNathan
Yes the %R is a 16 bit value. so if it is...

Yes the %R is a 16 bit value.
so if it is %R0413 that stores my 1150 number...and my %I starts at %I0601.
I use a Move_INT (with a length of 16) and move %R0413 to %I0601?
Forum: LIVE PLC Questions And Answers February 14th, 2018, 03:26 PM
Replies: 18
Views: 306
Posted By NetNathan
RX3i GE write a decimal to input to set bits in binary

Using GE RX3i PLC with Machine Edition SW...
I have a decimal %R number (value is "1150") that I want to write to a set of 16 %I bits to set 1 and 0 according to the binary equivalent of "1150".
...
Forum: LIVE PLC Questions And Answers February 11th, 2018, 09:23 PM
Replies: 37
Views: 6,629
Posted By NetNathan
Try the Turck TBEN-L.. They have a unit that...

Try the Turck TBEN-L..
They have a unit that has 16 I/O that you can use as input or output!
Forum: LIVE PLC Questions And Answers February 9th, 2018, 04:57 PM
Replies: 12
Views: 813
Posted By NetNathan
The are 2 types of trip units.... "Shunt Trip"...

The are 2 types of trip units.... "Shunt Trip" and "Undervoltage Trip".
A "Shunt Trip" device trips on voltage applied.
An "Undervoltage Trip" device trips on loss of voltage.

These can be...
Forum: LIVE PLC Questions And Answers February 7th, 2018, 04:55 PM
Replies: 5
Views: 235
Posted By NetNathan
Sooo...you have level switches on the tank for...

Sooo...you have level switches on the tank for proper levels and you want to automate the use of the switches using valves for fill and drain?
Forum: LIVE PLC Questions And Answers February 5th, 2018, 12:27 PM
Replies: 17
Views: 423
Posted By NetNathan
Usually there is a High Gas PS and Low Gas PS...

Usually there is a High Gas PS and Low Gas PS required.
We use a Dungs PS.
https://www.dungs.com/en/productgroups/pressure-switches-for-gas-and-air/

If the location has 5 changes per hour of...
Forum: LIVE PLC Questions And Answers February 2nd, 2018, 12:31 AM
Replies: 3
Views: 124
Posted By NetNathan
Ooops...I didn't notice that he didn't mention...

Ooops...I didn't notice that he didn't mention the I/O server and configuration he was using and if it was running.
Forum: LIVE PLC Questions And Answers February 2nd, 2018, 12:27 AM
Replies: 11
Views: 486
Posted By NetNathan
It seems even simpler to use...Open Above or...

It seems even simpler to use...Open Above or Closed Below, etc.
My equipment is vacuum/pressure, so that is why I use these terms.
Showing results 1 to 25 of 500

 
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