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Search: Posts Made By: (8{)} ( .)
Forum: LIVE PLC Questions And Answers July 25th, 2018, 01:03 AM
Replies: 2
Views: 299
Posted By (8{)} ( .)
Thanks for your reply. Not only do the reads...

Thanks for your reply.

Not only do the reads work but the scheduled reads AND writes work! It's just this unscheduled write. What's really strange is:
* It used to work and for some reason...
Forum: LIVE PLC Questions And Answers July 24th, 2018, 04:53 AM
Replies: 2
Views: 299
Posted By (8{)} ( .)
GV3000 ControlNet/ControLogix write error

Hi all,

Been in the industry for many years and this is the 1st time I've encountered this error message. I'm using a 1756-L51 v20 PLC with a Reliance GV3000 on ControlNet. A couple of months...
Forum: LIVE PLC Questions And Answers July 12th, 2018, 12:14 AM
Replies: 3
Views: 476
Posted By (8{)} ( .)
Thanks! Greatly appreciated. I'll look into...

Thanks! Greatly appreciated. I'll look into that when I'm in the field next week.
Forum: LIVE PLC Questions And Answers July 11th, 2018, 01:34 AM
Replies: 3
Views: 476
Posted By (8{)} ( .)
1794-IE8 - strange readings

Hi All,

I've probably programmed hundreds of 1794-IE8's over the years. The panel builder I'm working with has installed thousands of these so I am reasonably sure that they wired them properly. ...
Forum: LIVE PLC Questions And Answers March 23rd, 2018, 03:26 AM
Replies: 6
Views: 594
Posted By (8{)} ( .)
Take a very close look at OPC Systems. It can do...

Take a very close look at OPC Systems. It can do the data logging without you having to buy and entire SCADA package. Excellent support too.

Good Luck,

Yosi
Forum: LIVE PLC Questions And Answers March 19th, 2018, 12:18 AM
Replies: 14
Views: 931
Posted By (8{)} ( .)
My typo... Thanks for the correction.

My typo...

Thanks for the correction.
Forum: LIVE PLC Questions And Answers March 18th, 2018, 03:24 AM
Replies: 14
Views: 931
Posted By (8{)} ( .)
We generally start and stop the drive with...

We generally start and stop the drive with digital I/O. All the rest is handled over the network whether it's ModbusRTU, ModbusTCP, or ModbusUDT. If your PLC supports ModbusUDT then use that. No...
Forum: LIVE PLC Questions And Answers March 18th, 2018, 03:22 AM
Replies: 10
Views: 715
Posted By (8{)} ( .)
I'm going to start sounding like a broken record...

I'm going to start sounding like a broken record but you can run MySQL on the WAGO PFCs and then connect to the MySQL database on the PLC remotely. Love this solution.

Good luck,

Yosi
Forum: LIVE PLC Questions And Answers March 14th, 2018, 12:17 PM
Replies: 6
Views: 464
Posted By (8{)} ( .)
There should be a Fetch/Write function block in...

There should be a Fetch/Write function block in CoDeSys. Wago has one so Beckhoff should too.

Good Luck,

Yosi
Forum: LIVE PLC Questions And Answers March 7th, 2018, 11:53 PM
Replies: 9
Views: 637
Posted By (8{)} ( .)
I stand corrected. Yes, you'd copy from [1] to...

I stand corrected. Yes, you'd copy from [1] to [0] a length of 10 for a 10 member queue. You'd still need only one COP instruction.

Thanks!
Forum: LIVE PLC Questions And Answers March 7th, 2018, 12:48 PM
Replies: 9
Views: 637
Posted By (8{)} ( .)
You only need one copy instruction. You must...

You only need one copy instruction. You must copy from the higher index to the lower index otherwise the copy instruction will fill the array with the value located in the low index.
Forum: LIVE PLC Questions And Answers March 7th, 2018, 01:00 AM
Replies: 9
Views: 637
Posted By (8{)} ( .)
Assuming you're using an AB PLC use the COP or...

Assuming you're using an AB PLC use the COP or CPS instruction. Enter your newest data at the HIGHEST address, say Location[10]. Your lowest data will be at Location[1]. Copy 10 words from...
Forum: LIVE PLC Questions And Answers March 1st, 2018, 01:17 AM
Replies: 15
Views: 906
Posted By (8{)} ( .)
You really have to check out e!cockpit Ken.

You really have to check out e!cockpit Ken.
Forum: LIVE PLC Questions And Answers February 28th, 2018, 12:07 AM
Replies: 15
Views: 906
Posted By (8{)} ( .)
Hi Ken. As you know I also grew up in AB land...

Hi Ken. As you know I also grew up in AB land with auto casting of data types. The rest of the world has been doing the X_to_Y conversion forever and it's going to stay that way. If you do a lot...
Forum: LIVE PLC Questions And Answers February 27th, 2018, 03:41 AM
Replies: 29
Views: 2,749
Posted By (8{)} ( .)
Indeed Ken. The Raspberry PI was never intended...

Indeed Ken. The Raspberry PI was never intended for that but I do like the power it gives you as an "add-on" such as if you want a cheap web interface to an older system. Node red gives you a lot...
Forum: LIVE PLC Questions And Answers February 26th, 2018, 02:11 PM
Replies: 42
Views: 9,287
Posted By (8{)} ( .)
I've been using Wago for several years now. I...

I've been using Wago for several years now. I like the add-ons they've got for use with RSLogix5000 for starters.

Good Luck,

Yosi
Forum: LIVE PLC Questions And Answers February 19th, 2018, 01:48 PM
Replies: 6
Views: 578
Posted By (8{)} ( .)
%I - From 0x000 -> 0x17ff %Q - From 0x1800 ->...

%I - From 0x000 -> 0x17ff
%Q - From 0x1800 -> 0x2fff

%I would therefore start at 400001
%Q would therefore start at 406145

You can, of course, read all of the DI and DO from the PLC using...
Forum: LIVE PLC Questions And Answers February 19th, 2018, 01:47 PM
Replies: 3
Views: 282
Posted By (8{)} ( .)
If I remember correctly the application version...

If I remember correctly the application version has to match the PV version. That's something you select before uploading (or maybe building that file to upload.)
Forum: LIVE PLC Questions And Answers February 18th, 2018, 03:57 AM
Replies: 6
Views: 578
Posted By (8{)} ( .)
%I - From 0x000 -> 0x17ff %Q - From 0x1800 ->...

%I - From 0x000 -> 0x17ff
%Q - From 0x1800 -> 0x2fff
%M - From 0x3000 -> 0xffff

Note that you'll have to add 1 to all of these addresses to get the Modbus address. For example %MW0 would be...
Forum: LIVE PLC Questions And Answers February 12th, 2018, 03:27 AM
Replies: 42
Views: 9,287
Posted By (8{)} ( .)
If environment is the issue Wago also has the...

If environment is the issue Wago also has the 750-XTR series. Same performance with great environmental specs (and no, I'm not a Wago salesman.)
...
Forum: LIVE PLC Questions And Answers January 25th, 2018, 04:32 AM
Replies: 1
Views: 310
Posted By (8{)} ( .)
If the manufacturer has no known solution your...

If the manufacturer has no known solution your best bet, IMHO, if the Foxjet is a PC as you say, is to see if there is a way to use standard tools such as SQL server as a conduit. Data from your PLC...
Forum: LIVE PLC Questions And Answers January 22nd, 2018, 05:03 AM
Replies: 25
Views: 1,659
Posted By (8{)} ( .)
As a CoDeSys fan I totally disagree. I do prefer...

As a CoDeSys fan I totally disagree. I do prefer CoDeSys 2 over CoDeSys 3.
Forum: LIVE PLC Questions And Answers January 21st, 2018, 07:04 AM
Replies: 15
Views: 3,148
Posted By (8{)} ( .)
Get a simple RS-232 to Ethernet converter. There...

Get a simple RS-232 to Ethernet converter. There are tons of them out there. You'll have to configure your port as a virtual com but it will work just fine. Used this method many times. If you...
Forum: LIVE PLC Questions And Answers January 21st, 2018, 06:47 AM
Replies: 13
Views: 973
Posted By (8{)} ( .)
Look for a low cost temperature controller with...

Look for a low cost temperature controller with Modbus. I've seen some under $50.

You also might want to look for a thermostat like device for building automation with 4-20ma and Modbus.
Forum: LIVE PLC Questions And Answers January 21st, 2018, 06:06 AM
Replies: 25
Views: 1,659
Posted By (8{)} ( .)
Lord knows I'm no Siemens fan but I found TIA to...

Lord knows I'm no Siemens fan but I found TIA to be a tremendous improvement over Step-7. Much more intuitive. Still not as good as some competitive packages but certainly a quantum leap. Big...
Showing results 1 to 25 of 500

 
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