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Saturday, February 16, 2019
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PLCs - Topic Page
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Siemens Profinet over Radio Link
Posted by myacirkhan on 6 February, 2019 - 5:24 am
Looking for some help on Siemens S7 V9 Profinet over Radio Link
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By Alex on 16 February, 2019 - 4:47 am
Hello! I have successfully tested communication between 2x S7 1200 over 2xTPLINK CPE510 and...
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Different Loop Tuning Methods vs Trial and Error
Posted by chemohanom on 13 February, 2019 - 4:32 am
Question is about whether to use lambda tuning or ziegler-nichols method versus trial and error loop tuning.
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By Freakboynv2000 on 14 February, 2019 - 1:24 pm
Tuning doesn't work that way homie. Those are just starting points as the other poster mentioned. ...
By d on 13 February, 2019 - 12:32 pm
ziegler-nichols or lambda tuning methods work in theory, but in actual plants useful only as a...
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Industrial Ethernet Problem after Holiday
Posted by Martin on 3 January, 2019 - 1:37 am
Problem with Industrial Ethernet after a holiday shutdown period. Only happens on 7th Axis Robots where the cables go through a caterpillar track.
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By dude on 12 February, 2019 - 12:15 pm
Martin, How do you resolve the comm issue? Also, aside from checking the continuity, bell,...
AEG Logistat A020
Posted by BlueStone9 on 12 February, 2019 - 11:17 am
Help converting AEG Logistat A020 statement code
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Micro PLC TSX17
Posted by Seif_elnasr on 12 February, 2019 - 6:35 am
Programming Micro PLC TSX17
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By pegferraro on 12 February, 2019 - 8:59 am
Hi, Your helpful moderator here. I did some searching and discovered that even though the...
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Controlling a Flow Transmitter using PLC
Posted by nyame on 31 January, 2019 - 12:02 pm
Determining flow quantity going to my tank using a flow transmitter and PLC, Allen Bradley and RSLogix 500
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By nyame on 12 February, 2019 - 3:17 am
Hi, >You seem to be describing a need for level control and >automatic cut-off. > ...
By Steve Myres on 8 February, 2019 - 1:16 pm
A pulse flowmeter output will probably not be compatible with an analog input on the PLC. ...
By nyame on 8 February, 2019 - 12:33 pm
Hi thanks for the reply >You seem to be describing a need for level control and ...
By nyame on 7 February, 2019 - 10:25 am
thanks for the reply >To connect your flow transmitter to the 1400, you should >add the...
By tony_war on 1 February, 2019 - 12:36 pm
To connect your flow transmitter to the 1400, you should add the I/O required to do the job...
By David_2 on 1 February, 2019 - 10:24 am
A flow transmitter measures and reports the flow rate. A PLC does not control a flow transmitter...
By d on 1 February, 2019 - 6:53 am
You seem to be describing a need for level control and automatic cut-off. What is the overall...
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Ma to 0-10 Volt Conversion
Posted by sravan on 9 February, 2019 - 11:40 pm
Changing 0-10v from HART level transmitter
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By d on 10 February, 2019 - 7:17 am
Sounds like you have a 250 ohm resistor in the input electronics setup for a current loop circuit. ...
By AKK36012 on 10 February, 2019 - 3:06 am
Hello, 4-20 mA over 500 ohm will give you 2-10V. I assume you are using a converter here which...
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Triad and Pair cable
Posted by Anonymous on 6 November, 2006 - 11:55 pm
What is difference between Triad and Pair cable?
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By 1X Technologies LLC on 8 February, 2019 - 7:52 pm
>What is difference between Triad and Pair cable? A Triad has three conductors twisted, and a...
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RSLogix 5 Analog Scaling
Posted by planetmars12 on 5 February, 2019 - 8:23 pm
Trying to replace 4 proximity switches with a laser using a 4-20mA signal.
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By Steve Myres on 7 February, 2019 - 11:08 am
My post wasn't in response to yours. With the moderation delay, both of us submitted our responses...
By David Ferguson on 7 February, 2019 - 7:31 am
It does; this is what I was trying to get at saying you can do it right in Logix 5...... Dave...
By Steve Myres on 6 February, 2019 - 3:00 pm
SLC has SCP, which would work nice, can't remember if the PLC-5 does or not. I think the...
By David Ferguson on 6 February, 2019 - 2:54 pm
You can scale the raw signals right in the logix 5 software..... I'm not at my computer, and...
By 5618 on 6 February, 2019 - 12:07 pm
Raw data for this module should be 0-4095. I would just DIV the raw data integer by 81.9 to a float...
Communication Between AC Servo Drive to PLC
Posted by Rahul singh on 5 February, 2019 - 3:14 am
Connected delta AC servo motor with Omron PLC, but servo not running
GE PGT10 Documentation
Posted by MTIMA on 2 February, 2019 - 9:18 am
GE PGT10 Gas turbine Manual
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Problem with Change of UCVE Instead UCVF
Posted by Ymou on 23 January, 2019 - 2:25 am
Changing CPU to UCVE instead of UCVF
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By demigrog2 on 31 January, 2019 - 11:44 am
OK, different error 77. This is a pcode loading error reported back from the controller, rather...
By Ymou on 25 January, 2019 - 2:51 am
Thank you >Can you post the relevant part of the download log? Error >77 is the catchall...
By demigrog2 on 23 January, 2019 - 1:02 pm
Can you post the relevant part of the download log? Error 77 is the catchall error for all...
ESP MODBUS Addressing
Posted by methaq on 30 January, 2019 - 4:29 pm
Need ESP266 memory registry address that necessary for read and write words and bits from PLC
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Two Master Controllers in One Loop
Posted by Mohammad Abughoush on 29 January, 2019 - 11:02 pm
Possibility to install two master controllers on one Modbus/RTU Loop
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By jschulze on 30 January, 2019 - 3:29 pm
If the chiller is comprised of 3 Modbus RTU slave controllers and a Modbus RTU master PLC, I would...
By d on 30 January, 2019 - 9:11 am
That is not a question that can be answered. First you must document the process equipment being...
Alspa P80 Software
Posted by ginjaninja72 on 30 January, 2019 - 11:46 am
looking for software
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Why do you pay for PLC programming software?
Posted by Stephen on 6 June, 2002 - 9:45 am
A question that has been on my mind for some time...
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By Alex Surk on 30 January, 2019 - 9:44 am
I am in the middle of a project using the CTC Incentive (there advertising is usually on this site)...
By demigrog2 on 22 January, 2019 - 10:22 am
Nobody generally predicts ahead of time what the next big disruptive technology will be; who saw...
By David Ferguson on 20 January, 2019 - 9:32 am
My point would appear to be some zealot for the big names Rockwell, Microsoft etc. Nothing could be...
4 Independent FTs Value Added in PLC to Create Trip on Total
Posted by Threepoint49 on 28 January, 2019 - 8:35 pm
Using summation of 4 x 1oo1 transmitters to trip SIS.
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Fast load Rate
Posted by Gamer123 on 23 January, 2019 - 8:22 pm
Fast loading of turbine
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By CSA on 27 January, 2019 - 6:08 pm
Gamer123, The only thing which sometimes happens, and usually when the unit is starting from a...
By gamer123 on 27 January, 2019 - 12:26 pm
Thank you very much CSA. Since I didn't want to make other changes to go quicker on load without...
By CSA on 25 January, 2019 - 12:17 pm
gamer123, On a GE-design heavy duty gas turbine control system, it would be possible to select...
By gamer123 on 25 January, 2019 - 9:18 am
Thank you CSA, I agree with you completely. Let us say I change the load rate once GT reaches...
By CSA on 24 January, 2019 - 1:39 pm
Gamer123, I can only address fast loading as implemented on GE-design heavy duty gas turbines....
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Linux Ethernet/IP Driver
Posted by Bob Peterson on 30 April, 2014 - 9:29 am
How to use Red Hat Linux to collect data directly from Allen-Bradley CompactLogix PLCs?
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By Michael Surma on 25 January, 2019 - 9:45 am
I Developed a windows console application in c# that used Advanced HMI to talk to an AB PLC over...
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Yaskawa Servo Motor Encoder Alignment
Posted by mansoor_raza on 25 January, 2019 - 12:10 am
Yaskawa servo motor SGMSH-20DCA6F new encoder alignment.
Hydro-Governor Control
Posted by Governorman on 24 January, 2019 - 11:11 pm
Governor PLC fails and need a manual operation capability for hydro turbine until it is fixed
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Differentiation Between Profibus Class 1 and Class 2 Master
Posted by Dinesh on 23 January, 2019 - 9:15 am
Difference between a class 1 and class 2 master Profibus network.
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By Chris on 24 January, 2019 - 9:43 am
There's a good description here:...
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Installing a INFI90 IMMFP02 as Backup/Redundant Controller
Posted by etoilesh on 16 January, 2019 - 1:43 pm
Install ABB INFI90 IMMFP02 as a Backup/Redundant in our plant
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By etoilesh on 22 January, 2019 - 12:50 pm
Dear briq, Thank you very much for your help, action done with success! Etoilesh...
By briq on 22 January, 2019 - 3:03 am
Etoilesh, The permissive to make redundant is both IMMFP02 shall have same firmware revision. ...
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Migrating VME Based PLC 5 Systems to CompactLogix
Posted by Danny_NS on 22 January, 2019 - 9:29 am
Looking for experience and recommendations to migrate VME based PLC-5 to CompactLogix Platform.
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By Jeremy Pollard on 22 January, 2019 - 11:52 am
There are migration tools available and if you didn't want to do it yourself. There are integrators...
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Test Modbus Application
Posted by goVoyager on 5 January, 2019 - 8:37 pm
I am looking for an application (maybe a PLC) that can be used to test my inventory application that uses the Modbus protocol to lock and unlock doors on a cabinet.
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By OmerASD on 21 January, 2019 - 2:55 pm
Try https://www.modbustools.com/modbus_slave.html. It's $99.00. I've been using it for several...
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Impedance of a Relay
Posted by marcos_h3 on 19 January, 2019 - 7:46 am
The security system of a belt conveyor must have emergency keys. I have a question about the impedance of the security relay in this situation.
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By d on 20 January, 2019 - 11:35 am
When you say relay in series, are you describing the coil or the contacts? it all depends if...
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Gas Turbine Not Accelerating
Posted by mazenshanabeash on 19 January, 2019 - 5:06 am
Gas turbine not accelerating, and tripped by high exhaust temperature
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By CSA on 20 January, 2019 - 2:20 am
mazenshanabeash, This question must be the second most asked question in the history of...