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Search: Posts Made By: James Mcquade
Forum: LIVE PLC Questions And Answers Yesterday, 11:10 AM
Replies: 7
Views: 205
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 Yesterday, 11:01 AM
Replies: 13
Views: 258
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 Yesterday, 10:11 AM
Replies: 9
Views: 316
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 Yesterday, 09:57 AM
Replies: 13
Views: 258
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 Yesterday, 09:48 AM
Replies: 6
Views: 264
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: 264
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: 504
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: 260
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: 222
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
Forum: LIVE PLC Questions And Answers April 7th, 2021, 06:20 PM
Replies: 3
Views: 170
Posted By James Mcquade
May i suggest that you add a screen with the...

May i suggest that you add a screen with the details on it in regards to the information you need that is accessible.
james
Forum: LIVE PLC Questions And Answers April 7th, 2021, 06:17 PM
Replies: 11
Views: 702
Posted By James Mcquade
when you say it bonces, just how much? just...

when you say it bonces, just how much?
just because the process is down does not mean that a water valve may not open and allow water flow, that's why i asked how much.
it may be a small valve...
Forum: LIVE PLC Questions And Answers April 7th, 2021, 11:11 AM
Replies: 7
Views: 1,177
Posted By James Mcquade
several issues to deal with. the original...

several issues to deal with.
the original contract, exactly what was in the contract? be very detailed, you don't have to tell us, just be detailed in your reading.
change orders, for past change...
Forum: LIVE PLC Questions And Answers April 6th, 2021, 08:56 PM
Replies: 3
Views: 197
Posted By James Mcquade
i cannot say about UL508, but i can say that NEC...

i cannot say about UL508, but i can say that NEC 70, NFPA79 probably does not allow this.

Now then, what is the purpose of panel c?
what is in panel c?
how do you determine where panel A power...
Forum: LIVE PLC Questions And Answers April 6th, 2021, 08:42 PM
Replies: 4
Views: 274
Posted By James Mcquade
Welcome to the forum. Sorry, i don't think...

Welcome to the forum.

Sorry, i don't think what you suggest is allowed.
a safety light curtain cannot be used to start an automatic cycle, it requires human intervention. i got into the same...
Forum: LIVE PLC Questions And Answers April 6th, 2021, 02:10 PM
Replies: 11
Views: 702
Posted By James Mcquade
i have had this issue before. is the analog...

i have had this issue before.

is the analog cable shielded and the drain wire grounded at the analog input card only?
check ALL wire terminations, from the source terminals to the input card...
Forum: LIVE PLC Questions And Answers April 5th, 2021, 08:51 AM
Replies: 11
Views: 624
Posted By James Mcquade
Saffa, we don't put fuses inside the drive. ...

Saffa,

we don't put fuses inside the drive.
from the main power strip > fuses or circuit breakers (fused disconnects) > wire to vfd > vfd > fuses > wire to motor> field disconnect > wire to motor...
Forum: LIVE PLC Questions And Answers April 3rd, 2021, 11:45 PM
Replies: 11
Views: 624
Posted By James Mcquade
at my last plant, we used hundreds of AB vfd's...

at my last plant, we used hundreds of AB vfd's with a non fused disconnect and an aux contact that went to the plc to tell us when it was in the off position. it was on the load side. fuses were...
Forum: LIVE PLC Questions And Answers April 3rd, 2021, 11:40 PM
Replies: 18
Views: 729
Posted By James Mcquade
Patience, it is the weekend. james

Patience,
it is the weekend.
james
Forum: LIVE PLC Questions And Answers April 3rd, 2021, 06:34 PM
Replies: 15
Views: 939
Posted By James Mcquade
older systems may not have the guided safety...

older systems may not have the guided safety relays, BUT newer systems Must have a safety relay. i don't have my books available with me.
the safety relay which has guided contacts helps prevent...
Forum: LIVE PLC Questions And Answers April 3rd, 2021, 06:23 PM
Replies: 8
Views: 466
Posted By James Mcquade
i do not recommend putting your license on a...

i do not recommend putting your license on a server if there is ANY possibility of you not seeing the network on your WIFI system.
also, if the server is down for maintenance or has to be rebooted,...
Forum: LIVE PLC Questions And Answers April 1st, 2021, 03:24 PM
Replies: 5
Views: 315
Posted By James Mcquade
is this an out of the box plc or has the system...

is this an out of the box plc or has the system been powered off for a while?
the blinking light may mean that the internal capacitors are not charged up.
if that is the issue, i cannot remember...
Forum: LIVE PLC Questions And Answers March 30th, 2021, 11:55 PM
Replies: 4
Views: 342
Posted By James Mcquade
several consideration factors. what is the cost...

several consideration factors.
what is the cost difference of the two when you purchase the wired sensors and install them?
if a sensor battery goes dead, how do you determine which one?
can you...
Forum: LIVE PLC Questions And Answers March 30th, 2021, 11:47 PM
Replies: 10
Views: 679
Posted By James Mcquade
i would get with your local distributor and see...

i would get with your local distributor and see what he recommends.
then upsize a minimum of 10 hp (my opinion), after all, this is a life cycle machine at times.
use 100% duty factor. stress the...
Forum: LIVE PLC Questions And Answers March 30th, 2021, 05:05 PM
Replies: 20
Views: 1,104
Posted By James Mcquade
Lare, i the US, new construction using...

Lare,

i the US, new construction using higher than 120 volt controls is not allowed. NFPA 79
i cannot cite book, chapter, and verse, but it has been in the rules for quite a few years. the items...
Forum: LIVE PLC Questions And Answers March 30th, 2021, 12:01 PM
Replies: 10
Views: 679
Posted By James Mcquade
i agree with willxfmr. a servo with a rack and...

i agree with willxfmr. a servo with a rack and pinion system.
there are a lot of details you are leaving out.
minimum / maximum pull distance, do you have to use all the pulling distance, min pull...
Showing results 1 to 25 of 500

 
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