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Search: Posts Made By: James Mcquade
Forum: LIVE PLC Questions And Answers May 2nd, 2021, 01:31 PM
Replies: 14
Views: 1,032
Posted By James Mcquade
Dravik, in regards to the fiber optic cable, i...

Dravik,
in regards to the fiber optic cable, i am going on what i was told from a coworker who has been setting up all our 33 plant networks and my experience with single mode fiber at another...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 12:07 AM
Replies: 5
Views: 595
Posted By James Mcquade
if you replace the plc, install a surge...

if you replace the plc, install a surge suppressor if on is not already installed.
i like corcom brand.
james
Forum: LIVE PLC Questions And Answers May 1st, 2021, 12:03 AM
Replies: 25
Views: 1,429
Posted By James Mcquade
the big question is "What is in your plant now"? ...

the big question is "What is in your plant now"?
if everything is ab, i'd stick with ab, even though it's expensive.
Maintenance won't have to learn new software, have a learning curve, or resist...
Forum: LIVE PLC Questions And Answers April 30th, 2021, 11:54 PM
Replies: 14
Views: 1,032
Posted By James Mcquade
Maxkling, the longer the distance, the more you...

Maxkling,
the longer the distance, the more you increase the possibility of packet loss.
Multimode fiber gives a better thru put in regards to communications between systems than single mode fiber....
Forum: LIVE PLC Questions And Answers April 30th, 2021, 06:16 PM
Replies: 14
Views: 1,032
Posted By James Mcquade
how long is the ethernet cable? 100 meters / 330...

how long is the ethernet cable? 100 meters / 330 ft is max, but i would not go past 275 ft. the ethernet cable may be bad, the ends may be bad and need to be redone.
you might consider fiber optic...
Forum: LIVE PLC Questions And Answers April 29th, 2021, 08:53 PM
Replies: 11
Views: 2,879
Posted By James Mcquade
We use a dell latitude 5425, rugged model. ...

We use a dell latitude 5425, rugged model.
comes with built in serial port, hdmi, dvi, usb3 ports, 16 gb ram, 1 gig hd, windows 10
and a built in handle for carrying it.
super nice.
james
Forum: LIVE PLC Questions And Answers April 27th, 2021, 09:23 PM
Replies: 20
Views: 1,560
Posted By James Mcquade
kallileo, NFPA 79 states that a mechanical...

kallileo,

NFPA 79 states that a mechanical pushbutton must be used to reset a safety relay, no electronics.
if the rules have changed, someone please correct me.
james
Forum: LIVE PLC Questions And Answers April 26th, 2021, 09:09 PM
Replies: 20
Views: 1,560
Posted By James Mcquade
I am going to say no, it is not allowed. NFPA...

I am going to say no, it is not allowed.
NFPA 79 states that a safety relay must be reset with the use of a mechanical pushbutton.
Even if it were allowed, I WOULD NOT, here's why.
I have had the...
Forum: LIVE PLC Questions And Answers April 23rd, 2021, 02:21 PM
Replies: 6
Views: 690
Posted By James Mcquade
Thank you, james

Thank you,
james
Forum: LIVE PLC Questions And Answers April 21st, 2021, 08:08 AM
Replies: 6
Views: 690
Posted By James Mcquade
SLC 500 batteries

Hi all,

our company is in need of several slc 500 batteries, 1747-ba.
the Allen Bradley price is $200 each !!
does any one know where we can get these batteries for a better price?
thanks in...
Forum: LIVE PLC Questions And Answers April 19th, 2021, 08:31 PM
Replies: 7
Views: 709
Posted By James Mcquade
Tim, since you mentioned dust, you need to...

Tim,

since you mentioned dust, you need to find out the area classification. if it's
rated class 2 then you have more work to do to meet the hazardous rating.
i had an issue years ago due to...
Forum: LIVE PLC Questions And Answers April 19th, 2021, 08:26 PM
Replies: 8
Views: 549
Posted By James Mcquade
If you have vfd's be sure to use the correct...

If you have vfd's be sure to use the correct cable for the vfd wiring. line and load filters may be required. we ran into this issue several years ago.
james
Forum: LIVE PLC Questions And Answers April 16th, 2021, 06:33 PM
Replies: 10
Views: 918
Posted By James Mcquade
i will admit that i am no expert, any device of...

i will admit that i am no expert, any device of good size in motion must have a slow down curve before it stops.
you have a large steel disk, lets say 500 pounds rotating at 200 rpm.
you cannot...
Forum: LIVE PLC Questions And Answers April 16th, 2021, 06:20 PM
Replies: 18
Views: 1,102
Posted By James Mcquade
I agree with ASF and rdrast. Not only would i...

I agree with ASF and rdrast.
Not only would i get that in writing and signed off by the local rep manager, i would also get the regional manager to sign off on it as well.

WARNING !
do not tell...
Forum: LIVE PLC Questions And Answers April 13th, 2021, 09:33 PM
Replies: 9
Views: 1,020
Posted By James Mcquade
do not do as instructed. i agree that this will...

do not do as instructed.
i agree that this will really corrupt your hard drive.
you erase the files, then rename the folder.
when you reboot, who knows what the program in the system will do....
Forum: LIVE PLC Questions And Answers April 12th, 2021, 10:01 PM
Replies: 14
Views: 1,007
Posted By James Mcquade
I like the pushbutton idea. You still MUST...

I like the pushbutton idea.
You still MUST satisfy NFPA 79 - electrical standard for industrial machinery, NFPA 70 - national electric code, light curtain safety standards, AND you MUST have a fail...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 11:10 AM
Replies: 7
Views: 602
Posted By James Mcquade
welcome to the forum. which plc are you...

welcome to the forum.

which plc are you trying to use?
what is your pc operating system?
adobe flashplayer reached its end of life on Dec. 31,2020
google replace flashplayer and you will get...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 11:01 AM
Replies: 44
Views: 1,614
Posted By James Mcquade
i think you are on the right track. adding to...

i think you are on the right track.
adding to that i would do something like this.
move sp to a register, let's say its 65
if a hi hi warning occurs, subtract 5 from the setpoint and move into a...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 10:11 AM
Replies: 11
Views: 833
Posted By James Mcquade
i think the subnet mask should be 255.255.0.0. ...

i think the subnet mask should be 255.255.0.0. this is what we do at work so we can see everything in the 192.168.xxx.xxx range. if i am incorrect, someone please correct me. i will get in touch...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 09:57 AM
Replies: 44
Views: 1,614
Posted By James Mcquade
please explain what you are doing a little...

please explain what you are doing a little better.
i followed everything until you stated
"The question I had is how is the best way to
MOV the last Setpoint to the valve after the process is...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 09:48 AM
Replies: 6
Views: 632
Posted By James Mcquade
please zip your program and post it so we can...

please zip your program and post it so we can look at it and make suggestions.
james
Forum: LIVE PLC Questions And Answers April 9th, 2021, 05:04 PM
Replies: 6
Views: 632
Posted By James Mcquade
Welcome to the forum. we are more than willing...

Welcome to the forum.
we are more than willing to help, but you need to post your work (zip it first, forum rules) and we will help.

For any given homework assignment or task at work, you must...
Forum: LIVE PLC Questions And Answers April 9th, 2021, 12:57 PM
Replies: 21
Views: 978
Posted By James Mcquade
The virtulization of the machine will depend on...

The virtulization of the machine will depend on what type of license file he has.
the old evris or the factory talk typ. i would try to virtualize the system if possible just to get a good backup. ...
Forum: LIVE PLC Questions And Answers April 9th, 2021, 12:48 PM
Replies: 9
Views: 481
Posted By James Mcquade
since you have that many, may i suggest the...

since you have that many, may i suggest the following.

use a cell phone or mirror to take a picture or read the reflection from the mirror of the part number.
group the drives into horsepower...
Forum: LIVE PLC Questions And Answers April 8th, 2021, 09:02 PM
Replies: 3
Views: 353
Posted By James Mcquade
we use brady wire labels and also automation...

we use brady wire labels and also automation direct plastic wire numbers that slip on wires.
regards,
james
Showing results 1 to 25 of 500

 
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