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Title: Automation Coordinator
Company: Leahy Orchards Inc.
Company: Leahy Orchards Inc.
How to Adjust heavy fuel oil viscosity except using heat control?
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Do you maintain a minimum storage temperature and then preheat before burning? Higher temperature...
how do you measure brix?
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Typically with a refractometer. There are various types on the market which can give you an inline ...
What is Oxidation of relay contacts and what can be done to prevent it ??
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I guess this is an old post but I'll throw in my 2 cents worth anyway. We had similar problems with...
VFD based Motor Direction changed automatically.
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Sounds to me like there is something that causes your fan to turn in the reverse direction after...
Looking for best version / bug tracking software
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Not clear to me exactly what you want to track.
Do you want to track the production line that is...
Anybody used multiple controllers on a single rack in RSlogix5000, any tips etc..
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We have such a configuration....2 processors in the same rack using produce/consume data exchange...
Has anyone had issues scaling data historians to handle more data?
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While our PI system is quite small by comparison (around 500 tags), the data base performance is...
We have a fabricator to whom we have paid millions of dollars who refuses to turn over any logic diagrams, ladder logic, HMI, etc., claiming it to be proprietary.
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My experience has been that generally the equipment we have purchased from North American suppliers...
Need to decide between using 4-20 mA or 0-10 Vdc monitor/control signals.
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I agree with Johan's post in that you had better check the number of bits in the decoding of the...
PLC Controllogix 5000 slow ethernet response
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Check all the parameters in the ENBT module. There is a diagnostic tab in the...
Dual measurement of Density and Flow of Acidic Slurry.
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Air getting into the system can be as simple as a loose pipe fitting or clamp connection on the...
Looking for a flow meter that has an option to send data to two separate places
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We are using several different types of flow meters and most have the option of multiple outputs....
Strategy to develop a automation project.
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I would agree with Bob.....It would certainly be a disservice to your customer to learn on his dime...
Sensing presence/absence of labels on transparent ampoules
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Certainly not $100 solutions....but you could also consider character recognition systems to read...
We have used some of the Cognex products with success. They have a low end "Checker"...
Could be a good application for some of the lower end vision systems. Suggest you talk to some of...
Disadvantages of oversizing my VFD by a couple HP?
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I agree with the other posts....Just bear in mind that sometimes the range of some of the...
Panel sizing calculation
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A lot can depend on what kind of organization is to be the end user of the panel. Some folks buy...
Is Universal Remote I/O still a viable choice?
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Have you considered adding a second I/O rack to the existing one? Could be an option if the main...
I am looking for anyone that has any info whatsoever utilizing a VFD for heater control.
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> Is there a compelling reason to use a VFD for heater control?
Sounds like a waste of a...
Current is not changing in thyristorised welding machine
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> Can anyone suggest something?
Sounds like you will have to go further than the pot. Hanging...
Are there reliable alternatives available to measuring slurry density except for the Gamma radiation method?
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I found your comments to be very useful and general enough to be applied to any technology. Lots of...
Problem of Humming Sound in AC Drive
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Boldly assuming, (:-^) that all is properly connected and that there are no defective components,...
Using Panel View to give total of flow rate
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Sounds to me like you should investigate the TOT (Totalizer) instruction in the Logix5000...
PLC field wiring
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Where do you see this: on a car? a power supply? signal generator? airplane? case packer?
At...
Water Level measurement
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How about a float mechanically linked to a pot. Doesn't get much cheaper !...
regarding the communication chassis in plc
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We have always made sure to keep DCS communication totally separate from any I/O. If it means...
blizzard conditions finally cause wireless drop-out.
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....and of course the submarine comm is only running a meager 2 MW at 14-24 khz. A verrrry...
from the Automation List department...
Whether a PLC engineer really deserve for his extremely high hourly wages ?Whether a PLC engineer really deserve for his extremely high hourly wages?
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Well, my education was pretty much all practical. No university degrees...just lots of curiosity...
Oscilloscope Question
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This came up a few months back...check out thread #1285276375
Cheers
Gerald Beaudoin...
i am unable to reinstall rsview32 version 7.20.
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Check the Knowledge Base on the Rockwell Automation site. There is a pile of tech notes regarding...
Load shedding by PCS7
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Make sure that you have access to the entire system...hardware and software. We made the mistake of...
Looking for easy, simple on/off control of 40 watt heater in homemade cat house at 20C.
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>Looked to me like he said +20C (68F)
Geeze...you're right....I live in Quebec so the minus...
From the original post....I got that Tom was indeed using 120vAC to power the 240 volt bulb. This...
The effect of a lightning strike to control and safety system (DCS and Safety PLC)
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> there were considerably big
>lightning strike?
As far as I'm concerned, when it comes...
Changing IP address of CPU, impact of Flex I/O
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I agree entirely with James' comment.
We always install 2 Ethernet modules whenever possible....
SLC 504 power up without chassis
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Instead of screwing around with jumpers and multiple power supplies, etc, etc, save yourself a lot...
Browsing through DHRIO in RSLinx Enterprise
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Yes be well aware of that limitation. You are limited to the amount of data that you can access...
Thermocouples temperature fluctuation
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Interesting similar situation....We found just the opposite...had a bunch of RTD's with 4-20ma...
What is the right oscilloscope for a maintenance guy?
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I used to do the same thing...drag my dual-channel dual-time base crt scope from home for the few...
I want something that monitors current draw on four motors. And reduces voltage to all the motors with lower current as they relate to the motor with the highest current until they are all within range of each other.
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I would guess that the cost of installing DC motors and setting up all the controls and safeguards...
Can RSView be accessed like a web server?
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We have used GOTOMY PC to remote access some of the other Rockwell products installed on a PC. Have...
DP Sensing RFID
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Thanks guys for the suggestions....may well take a closer look at load cells and go for the...
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
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I believe it is part of the SDK (Software Development Kit) that PI offers along with their product....
Sensor that can detect objects through thick fog
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Did you consider just measuring/controlling the absolute position of the moving part...X, Y, Z? If...
drives used for agitation and pump speed variation purposes many have recently failed with ground fault.
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Is the drive simply declaring a ground fault and then recovers? Or does the drive actually fail and...
Allen Bradley PLC firmware and family of controllers opinions?
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As far a hardware goes, in 20+ years of using AB products, the only failures I have seen are a few...
What happens if we update control software with newer version of RSLOGIX?
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Be sure to check that firmware compatibility chart on the Rockwell website. Depending on the...
I setup two workstations and each one with two NICs.
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Are they both identical...from the same manufacturer?
I have had communication issues in the past...
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