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Search: Posts Made By: Saffa
Forum: LIVE PLC Questions And Answers Yesterday, 10:37 PM
Replies: 8
Views: 473
Posted By Saffa
Thanks guys, That ADAM-3600 looks...

Thanks guys,

That ADAM-3600 looks interesting. Have fired off an email to the agent here.
Forum: LIVE PLC Questions And Answers April 11th, 2021, 02:49 PM
Replies: 8
Views: 473
Posted By Saffa
Thanks Danw, Just reading the spec sheet...

Thanks Danw,

Just reading the spec sheet makes my wallet start to cry. It does look a very capable RTU system but yes, I think it will be well beyond the price range we're looking for.

There...
Forum: LIVE PLC Questions And Answers April 11th, 2021, 06:33 AM
Replies: 7
Views: 397
Posted By Saffa
There are some semi useful Youtube videos on...

There are some semi useful Youtube videos on using Machine Expert, should hopefully get you to the point where you can write some logic, simulate and test. It's bearable for basic ladder logic.
...
Forum: LIVE PLC Questions And Answers April 11th, 2021, 01:12 AM
Replies: 7
Views: 397
Posted By Saffa
Yeah I'd go back to the lecturer / Tutor and ask...

Yeah I'd go back to the lecturer / Tutor and ask if they have a solution. Hopefully that will prompt them to take a look themselves... probably realize it's not a viable assignment any more, and come...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 10:01 AM
Replies: 35
Views: 743
Posted By Saffa
At the point where you move zero into the...

At the point where you move zero into the setpoint due to the HiHi condition, is that setpoint still valid? Did it create the HiHi condition or is that externally influenced?

If the SP was still...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 04:57 AM
Replies: 8
Views: 473
Posted By Saffa
Thanks, hadn't thought of RedLion. Have used the...

Thanks, hadn't thought of RedLion. Have used the DSPs for other gateway applications. Might take a look at their FlexEdge controllers, after having a browse. Not sure how it will all compare in price...
Forum: LIVE PLC Questions And Answers April 10th, 2021, 02:53 AM
Replies: 8
Views: 473
Posted By Saffa
DNP3 Capable small RTU

Hi all,

Looking for recommendations for a small RTU that is DNP3 (TCP or UDP) capable. This is for water network flow site monitoring. Need up to 4 analog inputs, 6 DI. Preferably something that...
Forum: LIVE PLC Questions And Answers April 9th, 2021, 10:40 PM
Replies: 11
Views: 584
Posted By Saffa
Better than nothing I guess. The M340 is still a...

Better than nothing I guess. The M340 is still a current product isn't it? Certainly haven't heard anything to the contrary from my Schneider rep.
Forum: LIVE PLC Questions And Answers April 9th, 2021, 06:53 PM
Replies: 11
Views: 584
Posted By Saffa
Unfortunately i think you are driving to site....

Unfortunately i think you are driving to site. Unless that HMI is a PC that you can access remotely and load the programming software onto.

Still not using VPN yet? Port forwarding from the...
Forum: LIVE PLC Questions And Answers April 9th, 2021, 04:12 PM
Replies: 4
Views: 277
Posted By Saffa
This is always hard with only two. With three...

This is always hard with only two. With three instruments, a voting system is much easier to implement.

For systems where we have only two, i do as others have said and calculate difference...
Forum: LIVE PLC Questions And Answers April 9th, 2021, 04:17 AM
Replies: 4
Views: 280
Posted By Saffa
No one likes being the test case, and sometimes...

No one likes being the test case, and sometimes being on the bleeding edge of technology isn't always the easiest ride. In saying that, i have way too many legacy systems i support because people...
Forum: LIVE PLC Questions And Answers April 6th, 2021, 06:42 AM
Replies: 2
Views: 475
Posted By Saffa
For you shift worker guys

I dunno why, but this really made me p**s myself and I'm not even a shift worker!

https://youtu.be/jJ8EoUmJh8c
Forum: LIVE PLC Questions And Answers April 6th, 2021, 06:41 AM
Replies: 0
Views: 152
Posted By Saffa
For you shift worker guys

I dunno why, but this really made me **** myself and I'm not even a shift worker!

https://youtu.be/jJ8EoUmJh8c
Forum: LIVE PLC Questions And Answers April 5th, 2021, 02:22 PM
Replies: 11
Views: 642
Posted By Saffa
James, the fuses on the load side of the drive...

James, the fuses on the load side of the drive still confuse me. If they're not inside the drive, are they installed in an enclosure immediately under the drive or something? They seem unnecessary -...
Forum: LIVE PLC Questions And Answers April 4th, 2021, 08:09 PM
Replies: 105
Views: 4,206
Posted By Saffa
One of my guys carries two DIN timers in his...

One of my guys carries two DIN timers in his truck. Reckons if we ever have a PLC failure at a pump station or one of the smaller treatment plants we look after, he can get the essentials running...
Forum: LIVE PLC Questions And Answers April 4th, 2021, 12:23 AM
Replies: 105
Views: 4,206
Posted By Saffa
Kalabdel, I do agree with you that having access...

Kalabdel, I do agree with you that having access to the PLC code is a requirement, and that it should be written such that anyone with suitable expertise in the system being controlled can follow.
...
Forum: LIVE PLC Questions And Answers April 4th, 2021, 12:07 AM
Replies: 11
Views: 642
Posted By Saffa
Ah Yup, even says for North American market....

Ah Yup, even says for North American market. Interesting! Is this a electrical regulations thing over there? I'm just curious why you'd need to fuse inside the drive instead of just putting them...
Forum: LIVE PLC Questions And Answers April 3rd, 2021, 09:50 PM
Replies: 105
Views: 4,206
Posted By Saffa
I'm glad I'm not the only one who has these...

I'm glad I'm not the only one who has these moments of mild embarrassment at the work that former, younger, better looking but more stupid me did.

I had the opportunity recently to do some minor...
Forum: LIVE PLC Questions And Answers April 3rd, 2021, 09:44 PM
Replies: 11
Views: 642
Posted By Saffa
Is this a line side disconnect / fuse, or load...

Is this a line side disconnect / fuse, or load side of the VFD? Schneider do the ATV650 series process drives with a built in load side isolator switch.

I haven't seen anything with line side...
Forum: LIVE PLC Questions And Answers April 3rd, 2021, 06:41 PM
Replies: 8
Views: 489
Posted By Saffa
I'm pretty sure once the license is aquired you...

I'm pretty sure once the license is aquired you don't need a permanent connection to the server. Open Studio 5000, aquire license and off you go. And i think there's a 7 day period before it needs to...
Forum: LIVE PLC Questions And Answers April 2nd, 2021, 03:49 PM
Replies: 1
Views: 277
Posted By Saffa
I haven't tested this but I think it should work....

I haven't tested this but I think it should work. There's probably other better ways to do this that one of the Intouch gurus can suggest... i haven't done much with it for many years now.

Create...
Forum: LIVE PLC Questions And Answers April 1st, 2021, 03:20 PM
Replies: 2
Views: 266
Posted By Saffa
An IT department isn't working properly unless...

An IT department isn't working properly unless they disrupt and screw with at least one perfectly functioning and profitable part of the business, once a week. Pretty sure it'll be some guys KPI.
...
Forum: LIVE PLC Questions And Answers March 31st, 2021, 01:02 AM
Replies: 20
Views: 1,124
Posted By Saffa
I would always use an interposing myself for this...

I would always use an interposing myself for this kind of thing. But i generally would only be monitoring 1 or 2 such things in a panel. For our installations typically have a "mains fail" indicator...
Forum: LIVE PLC Questions And Answers March 30th, 2021, 05:47 AM
Replies: 20
Views: 1,124
Posted By Saffa
Provided it's extra-low voltage ripple free DC,...

Provided it's extra-low voltage ripple free DC, i.e. 24V derived from a PELV or SELV rated power supply.

24V AC inputs used to be more common but have fallen out of favor in the last 20 years. If...
Forum: LIVE PLC Questions And Answers March 30th, 2021, 05:26 AM
Replies: 12
Views: 660
Posted By Saffa
That's what the text "Running" and "Stopped" are...

That's what the text "Running" and "Stopped" are for. A typical Situational awareness approach is white fill is running, dark grey fill is stopped.

I don't need to see a pump impellor spinning at...
Showing results 1 to 25 of 500

 
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