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Search: Posts Made By: James Mcquade
Forum: LIVE PLC Questions And Answers Yesterday, 06:10 PM
Replies: 2
Views: 198
Posted By James Mcquade
We had this happen on a 5/03. the power supply...

We had this happen on a 5/03.
the power supply (memory retention capacitor) and battery circuit to the memory has failed and needs to be repaired. for me, I would get a 5/03. we use teamsesco to...
Forum: LIVE PLC Questions And Answers Yesterday, 06:03 PM
Replies: 15
Views: 435
Posted By James Mcquade
posted to wrong section

posted to wrong section
Forum: LIVE PLC Questions And Answers Yesterday, 06:02 PM
Replies: 9
Views: 248
Posted By James Mcquade
Several questions need to be asked in my opinion....

Several questions need to be asked in my opinion.
1. are the machines identical?
2. do you have the electrical schematics, program in a printed form, on a disk?
3. do the wire numbers, and wire...
Forum: LIVE PLC Questions And Answers Yesterday, 05:52 PM
Replies: 15
Views: 435
Posted By James Mcquade
ackees, not trying to slam you, but we get...

ackees,

not trying to slam you, but we get hundreds of requests on this site for help, just an explanation of what they need. It could be homework or on a job, please help. that's it. we are...
Forum: LIVE PLC Questions And Answers Yesterday, 05:42 PM
Replies: 4
Views: 279
Posted By James Mcquade
We use a RPM meter and place it on the motor...

We use a RPM meter and place it on the motor shaft.
we use 30, 60, and 90 hz. and look at the motor nameplate for the motor speed at 60 hz. we then adjust our speed calculation in Wonderware to...
Forum: LIVE PLC Questions And Answers Yesterday, 05:37 PM
Replies: 5
Views: 362
Posted By James Mcquade
Several questions. What plc are you using? ...

Several questions.
What plc are you using?
What is the sensor you are wanting to use?
james
Forum: LIVE PLC Questions And Answers Yesterday, 12:39 PM
Replies: 20
Views: 724
Posted By James Mcquade
what is your application? the glow plugs that I...

what is your application?
the glow plugs that I am familiar with uses 48 volts dc.
james
Forum: LIVE PLC Questions And Answers Yesterday, 09:25 AM
Replies: 5
Views: 363
Posted By James Mcquade
Welcome to the forum. it could be that...

Welcome to the forum.


it could be that the rs232 port is bad. we had this happen 2 years ago and had to replace the plc with another 5/04. we sent the unit in for repair and it works fine now....
Forum: LIVE PLC Questions And Answers August 7th, 2020, 05:16 PM
Replies: 23
Views: 1,422
Posted By James Mcquade
I'm late on this, but is this a homework question...

I'm late on this, but is this a homework question or a work exercise?


if it's work, may I suggest that you use 3 counters
#1 - open limit switch occurances
#2 - open limit switch occurances...
Forum: LIVE PLC Questions And Answers August 5th, 2020, 10:08 PM
Replies: 13
Views: 553
Posted By James Mcquade
Slwagner73, good to hear that you can do...

Slwagner73,


good to hear that you can do it in a micrologix and are trying to do it with a 5000. I was in a rush when I posted and didn't want to be late for my meeting. I do apologize if I...
Forum: LIVE PLC Questions And Answers August 5th, 2020, 10:49 AM
Replies: 16
Views: 848
Posted By James Mcquade
I still urge you to not do this and here is why. ...

I still urge you to not do this and here is why.
an Ethernet switch can cost $4k for a 48 port switch.
if there is a short in the 120 volt wiring and it gets to the Ethernet wires, then the switch...
Forum: LIVE PLC Questions And Answers August 5th, 2020, 09:52 AM
Replies: 14
Views: 558
Posted By James Mcquade
Welcome to the forum. I agree with 0949er, if...

Welcome to the forum.
I agree with 0949er, if you explain to them that you need the program out of the plc so you can look at the logic for an upgrade to a new system, that will really help...
Forum: LIVE PLC Questions And Answers August 4th, 2020, 10:20 PM
Replies: 14
Views: 876
Posted By James Mcquade
please keep us informed as to what you find, ...

please keep us informed as to what you find,
james
Forum: LIVE PLC Questions And Answers August 4th, 2020, 10:14 PM
Replies: 13
Views: 553
Posted By James Mcquade
Slwagner73, every programmer does things...

Slwagner73,

every programmer does things differently.
May I suggest the following.
1. what is it you are trying to accomplish?
you watched the videos, ok. videos are great, but leave out a...
Forum: LIVE PLC Questions And Answers August 4th, 2020, 09:56 AM
Replies: 16
Views: 848
Posted By James Mcquade
drforsythe, I think we are saying the same...

drforsythe,

I think we are saying the same thing. ALL wires and cables in a single conduit must be rated at the same insulation voltage level. 120 volt wires have an insulation rating of 300...
Forum: LIVE PLC Questions And Answers August 3rd, 2020, 09:40 PM
Replies: 14
Views: 876
Posted By James Mcquade
Just remember to turn the power to the panel off...

Just remember to turn the power to the panel off first !
if that is not allowed, suit up with your ppe, insulated tools, and the correct face ppe designed for arc flash. Safety first.
james
Forum: LIVE PLC Questions And Answers August 3rd, 2020, 12:18 PM
Replies: 14
Views: 876
Posted By James Mcquade
we found 2 issues. the neutral was loose and...

we found 2 issues.
the neutral was loose and the ground was missing. I cannot remember all the other details as to why.
james
Forum: LIVE PLC Questions And Answers August 3rd, 2020, 11:30 AM
Replies: 14
Views: 876
Posted By James Mcquade
we had this issue years ago. I would look at...

we had this issue years ago.
I would look at the neutral wiring for the breaker and the ground wiring for the circuit.
james
Forum: LIVE PLC Questions And Answers August 2nd, 2020, 11:14 PM
Replies: 10
Views: 500
Posted By James Mcquade
Welcome to the forum. homework assignment? ...

Welcome to the forum.
homework assignment?
you already have everything you need.
start a 30 second timer
when the timer is done, if a < b then e
reset the timer and allow it to start over and...
Forum: LIVE PLC Questions And Answers August 2nd, 2020, 11:07 PM
Replies: 8
Views: 522
Posted By James Mcquade
You are looking at the whole scope of work. ...

You are looking at the whole scope of work.
break down the project into little pieces, 1 line at a time.
code each piece


james
Forum: LIVE PLC Questions And Answers July 29th, 2020, 09:27 AM
Replies: 29
Views: 1,366
Posted By James Mcquade
My apologies to everyone, I totally misread the...

My apologies to everyone, I totally misread the original post.
the writing you are talking looks like Japanese, maybe Chinese and I may be wrong.
james
Forum: LIVE PLC Questions And Answers July 29th, 2020, 09:19 AM
Replies: 5
Views: 340
Posted By James Mcquade
do you have a picture or any description of the...

do you have a picture or any description of the fault?

could there be an undefined tag on one of the screens causing the fault? maybe multiple screens.

is the system on a network with others? ...
Forum: LIVE PLC Questions And Answers July 28th, 2020, 07:25 PM
Replies: 29
Views: 1,366
Posted By James Mcquade
MK42, in regards to the customer having...

MK42,

in regards to the customer having access.
first off, they are in a different country, no issue there.
What I am referring to is having access to is the plc code, hmi code, scada code and...
Forum: LIVE PLC Questions And Answers July 28th, 2020, 03:53 PM
Replies: 29
Views: 1,366
Posted By James Mcquade
you need to confirm that single mode connection...

you need to confirm that single mode connection is what you have
and if you need both connections used. single mode has been an issue in the plants I worked at.
if they are dual mode connections, I...
Forum: LIVE PLC Questions And Answers July 28th, 2020, 01:34 PM
Replies: 13
Views: 1,230
Posted By James Mcquade
Update for everyone. i'm still looking for a...

Update for everyone.

i'm still looking for a job. several interviews, but others are more qualified (that's what I was told).
with so many people laid off, jobs that used to pay $50/hour before...
Showing results 1 to 25 of 500

 
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