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Search: Posts Made By: AustralIan
Forum: LIVE PLC Questions And Answers Today, 03:41 AM
Replies: 7
Views: 398
Posted By AustralIan
SR Flipflop is set dominant, so parky's example...

SR Flipflop is set dominant, so parky's example would not work. There would also be potential timing issues depending on the platform with the outputs.


Set Q
+-] [------+----( )...
Forum: LIVE PLC Questions And Answers Yesterday, 08:12 AM
Replies: 0
Views: 70
Posted By AustralIan
Codesys 3.5 CFC - Which pin is which?

I would like to make it clearer which pin is which for CFC elements.

The image shows how a SEL block looks in CFC and in ladder. I can't figure out how to tell which pin is which for the CFC...
Forum: LIVE PLC Questions And Answers April 16th, 2019, 04:04 AM
Replies: 31
Views: 1,279
Posted By AustralIan
So.. if we go off the specsheet, the max current...

So.. if we go off the specsheet, the max current of your solenoid is 78VA -> 3.25A, the minimum is 35VA -> 1.5A. Would you use a 6A10 diode instead of a 1N4007? Otherwise if you are turning this...
Forum: LIVE PLC Questions And Answers April 10th, 2019, 01:39 AM
Replies: 20
Views: 1,341
Posted By AustralIan
"Interfacing an item that customer specified...

"Interfacing an item that customer specified after searching '[function] din rail' on Google Shopping" is one of the hardest things to estimate.

Worst case is going to be "I spent 3 times as long...
Forum: LIVE PLC Questions And Answers April 5th, 2019, 03:10 PM
Replies: 1
Views: 175
Posted By AustralIan
You don't use RSLinx you just connect straight...

You don't use RSLinx you just connect straight from the PICO software, Communication, Connection, Online.

1760-CBL-PM02 for Series A and B Pico,
1760-CBL-PC02 for the GFX Pico.

Make sure you...
Forum: LIVE PLC Questions And Answers March 31st, 2019, 08:06 AM
Replies: 4
Views: 373
Posted By AustralIan
Also, tech support phone calls can go like this: ...

Also, tech support phone calls can go like this:
*Calls servo manufacturer*
"Oh it must be the motor."
*Calls motor manufacturer*
"Oh it must be the drive"
Forum: LIVE PLC Questions And Answers March 28th, 2019, 05:47 PM
Replies: 5
Views: 371
Posted By AustralIan
Early in my career, I used a Honeywell...

Early in my career, I used a Honeywell MasterLogic, which is a rebadged LSIS PLC (bing image search them both). Had some problem with their 240V power supply not liking short duration voltage...
Forum: LIVE PLC Questions And Answers March 28th, 2019, 05:15 PM
Replies: 17
Views: 857
Posted By AustralIan
I only have a theoretical knowledge of ungrounded...

I only have a theoretical knowledge of ungrounded systems.

2 possibilities:
The wrong transformer was used, ie one that grounds both the primary and secondary star point. This wouldn't be a...
Forum: LIVE PLC Questions And Answers March 28th, 2019, 03:00 PM
Replies: 5
Views: 258
Posted By AustralIan
Bear in mind that the ie2v has these specs: ...

Bear in mind that the ie2v has these specs:
0.1% fs accuracy.
5ppm/C
-20to55C operating.

So at 25C, your ie2v will contribute:
10kN*0.1%= 10N of uncertainty
Across the range you will...
Forum: LIVE PLC Questions And Answers March 21st, 2019, 11:59 AM
Replies: 33
Views: 1,550
Posted By AustralIan
Micro830 can kind of sits inbetween the 810 and...

Micro830 can kind of sits inbetween the 810 and the 820 in terms of comms, but is slightly better in terms of memory.

Micro830 all variables are retained, like a MicroLogix, whereas Micro820, you...
Forum: LIVE PLC Questions And Answers March 20th, 2019, 05:43 PM
Replies: 33
Views: 1,550
Posted By AustralIan
Micro1100 has Ethernet where the 810 does not. I...

Micro1100 has Ethernet where the 810 does not. I would consider the Micro820 if you like Ethernet. Looking further, the Micro 810 doesn't support ANY Comms to a HMI apart from the 1.5" LCD you click...
Forum: LIVE PLC Questions And Answers March 20th, 2019, 03:47 PM
Replies: 8
Views: 433
Posted By AustralIan
I just looked up the TP instruction in the unity...

I just looked up the TP instruction in the unity pro standard block library document number 33002519.01.

It does indeed ignore any subsequent rising edges of the input signal once it has started...
Forum: LIVE PLC Questions And Answers March 20th, 2019, 02:39 PM
Replies: 8
Views: 433
Posted By AustralIan
XIC Enable ONS Ons_00 TOF Timer 5000 0 XIC...

XIC Enable ONS Ons_00 TOF Timer 5000 0

XIC Timer.DN OTE Pulse

The above is what I usually put. I would use the Timer.DN in the code rather than have the extra line. I think the error on this is...
Forum: LIVE PLC Questions And Answers March 20th, 2019, 06:47 AM
Replies: 20
Views: 1,201
Posted By AustralIan
You could get a small "PLC" for this, such as...

You could get a small "PLC" for this, such as Siemens Logo, Eaton Easy4, etc.
Forum: LIVE PLC Questions And Answers March 8th, 2019, 03:29 AM
Replies: 6
Views: 460
Posted By AustralIan
I would second Ken Moore's Suggestion of a...

I would second Ken Moore's Suggestion of a rockwell PLC. You could look at a CompactLogix, which have models that support up to 250 Ethernet/IP nodes. You could then scale down to 24 nodes...
Forum: LIVE PLC Questions And Answers March 7th, 2019, 05:01 PM
Replies: 16
Views: 1,045
Posted By AustralIan
Harmony XB4 would be my preference over a...

Harmony XB4 would be my preference over a touchscreen.
Forum: LIVE PLC Questions And Answers March 6th, 2019, 11:12 AM
Replies: 10
Views: 563
Posted By AustralIan
They also do one with a pot output...

They also do one with a pot output http://apcs.com/atp168.php
Forum: LIVE PLC Questions And Answers March 5th, 2019, 11:26 AM
Replies: 7
Views: 572
Posted By AustralIan
Find document 1756-RM087.

Find document 1756-RM087.
Forum: LIVE PLC Questions And Answers March 1st, 2019, 07:33 AM
Replies: 8
Views: 631
Posted By AustralIan
The drives I used were setup with nodeguarding...

The drives I used were setup with nodeguarding rather than heartbeat, and would stop if comms was lost.
Forum: LIVE PLC Questions And Answers February 28th, 2019, 11:31 AM
Replies: 8
Views: 631
Posted By AustralIan
Most VSD have a parameter to fault on comms loss....

Most VSD have a parameter to fault on comms loss.

For example DE11 from Eaton uses P-40 to stop, coast or trip when it doesn't see communication for the time set in P-36.
Forum: LIVE PLC Questions And Answers January 25th, 2019, 08:30 AM
Replies: 9
Views: 554
Posted By AustralIan
Fluke 5080A, etc. ...

Fluke 5080A, etc.
https://eu.flukecal.com/products/electrical-calibration/electrical-calibrators
Forum: LIVE PLC Questions And Answers January 22nd, 2019, 02:25 PM
Replies: 4
Views: 403
Posted By AustralIan
Thanks everyone for your thoughts so far. ...

Thanks everyone for your thoughts so far.

PLCOpenXML: This looks like the easiest way to get everything out in a "readable" format. I don't find it as easy as Rockwell's ladder syntax, but it can...
Forum: LIVE PLC Questions And Answers January 22nd, 2019, 07:35 AM
Replies: 13
Views: 840
Posted By AustralIan
I hope that in ten years time we tell the new guy...

I hope that in ten years time we tell the new guy that the software that looks after important machinery was so buggy that we could make statements like this. They won't believe us of course, so we...
Forum: LIVE PLC Questions And Answers January 21st, 2019, 05:43 PM
Replies: 4
Views: 403
Posted By AustralIan
CODESYS: Is there a way to generate Ladder / FBD code?

Hello,

So in RSLogix 5K I would be used to doing the following:
1. Double click the left of the rung, to bring the rung text editor, will be something like:
BST XIC BOOL1 NXB XIO BOOL2 BND XIC...
Forum: LIVE PLC Questions And Answers January 21st, 2019, 08:28 AM
Replies: 13
Views: 1,331
Posted By AustralIan
.. Or visit the UK?

.. Or visit the UK?
Showing results 1 to 25 of 500

 
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