Title: Automation Coordinator
Company: Leahy Orchards Inc.
Company: Leahy Orchards Inc.
from the Engineering department...Heavy fuel oil high viscosity problems
How to Adjust heavy fuel oil viscosity except using heat control?
Do you maintain a minimum storage temperature and then preheat before burning? Higher temperature...
from the Forum department...brix measurement for cane juice
how do you measure brix?
Typically with a refractometer. There are various types on the market which can give you an inline ...
from the Automation List department...Oxidation of Relay Contacts
What is Oxidation of relay contacts and what can be done to prevent it ??
I guess this is an old post but I'll throw in my 2 cents worth anyway. We had similar problems with...
from the Instrumentation department...AB VFD PF400 direction reverse
VFD based Motor Direction changed automatically.
Sounds to me like there is something that causes your fan to turn in the reverse direction after...
from the Forum department...Software / Bug Tracking Software
Looking for best version / bug tracking software
Not clear to me exactly what you want to track. Do you want to track the production line that is...
from the You have got to be joking department...Multiple Controllers in RSLogix5000
Anybody used multiple controllers on a single rack in RSlogix5000, any tips etc..
We have such a configuration....2 processors in the same rack using produce/consume data exchange...
from the Engineering department...Scaling Historians
Has anyone had issues scaling data historians to handle more data?
While our PI system is quite small by comparison (around 500 tags), the data base performance is...
from the Forum department...Has anyone encountered PROPRIETARY LADDER LOGIC?
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.
My experience has been that generally the equipment we have purchased from North American suppliers...
from the Department of Indecision department...4-20 mA vs. 0-10 V Monitor/Control Signals
Need to decide between using 4-20 mA or 0-10 Vdc monitor/control signals.
I agree with Johan's post in that you had better check the number of bits in the decoding of the...
from the DCS department...PLC Slow ethernet communication response
PLC Controllogix 5000 slow ethernet response
Check all the parameters in the ENBT module. There is a diagnostic tab in the...
from the Forum department...Coriolis flow and density measurement of mixed sulhpide slurry
Dual measurement of Density and Flow of Acidic Slurry.
Air getting into the system can be as simple as a loose pipe fitting or clamp connection on the...
from the Instrumentation department...Two 4-20mA communication in a flow meter
Looking for a flow meter that has an option to send data to two separate places
We are using several different types of flow meters and most have the option of multiple outputs....
from the Forum department...Production line automation
Strategy to develop a automation project.
I would agree with Bob.....It would certainly be a disservice to your customer to learn on his dime...
from the Forum department...Bottling application solution
Sensing presence/absence of labels on transparent ampoules
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...
from the Forum department...Oversize VFD
Disadvantages of oversizing my VFD by a couple HP?
I agree with the other posts....Just bear in mind that sometimes the range of some of the...
from the R&D department...Panel sizing
Panel sizing calculation
A lot can depend on what kind of organization is to be the end user of the panel. Some folks buy...
from the Moldy Oldie or Oldie but Goodie? department...AB Remote I/O
Is Universal Remote I/O still a viable choice?
Have you considered adding a second I/O rack to the existing one? Could be an option if the main...
from the heating app department...AC Drive for heater control
I am looking for anyone that has any info whatsoever utilizing a VFD for heater control.
> Is there a compelling reason to use a VFD for heater control? Sounds like a waste of a...
from the Forum department...Thyristorised welding machine
Current is not changing in thyristorised welding machine
> Can anyone suggest something? Sounds like you will have to go further than the pot. Hanging...
from the Slurry Density Measurement department...Slurry Density Measurement
Are there reliable alternatives available to measuring slurry density except for the Gamma radiation method?
I found your comments to be very useful and general enough to be applied to any technology. Lots of...
from the Kanpur department...Variable Frequency Drive
Problem of Humming Sound in AC Drive
Boldly assuming, (:-^) that all is properly connected and that there are no defective components,...
from the instrument department...Panel view flow rate totalization
Using Panel View to give total of flow rate
Sounds to me like you should investigate the TOT (Totalizer) instruction in the Logix5000...
from the Wiring for I/O modules department...Terminal designations
PLC field wiring
Where do you see this: on a car? a power supply? signal generator? airplane? case packer? At...
from the Forum department...Liquid Level Sensor
Water Level measurement
How about a float mechanically linked to a pot. Doesn't get much cheaper !...
from the Instrumenetation and contol department...PLC design for water treatment plant
regarding the communication chassis in plc
We have always made sure to keep DCS communication totally separate from any I/O. If it means...
from the wireless robustness department...Wireless drop-out during the blizzard
blizzard conditions finally cause wireless drop-out.
....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?
Well, my education was pretty much all practical. No university degrees...just lots of curiosity...
from the Forum department...Oscilloscope Recommendations?
This came up a few months back...check out thread #1285276375 Cheers Gerald Beaudoin...
from the Forum department...unable to re install rsview32 ver7.2
i am unable to reinstall rsview32 version 7.20.
Check the Knowledge Base on the Rockwell Automation site. There is a pile of tech notes regarding...
from the Instrument department...Load shedding
Load shedding by PCS7
Make sure that you have access to the entire system...hardware and software. We made the mistake of...
from the Too easy department...Simple Heat Control
Looking for easy, simple on/off control of 40 watt heater in homemade cat house at 20C.
>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...
from the Forum department...Lightning strike effecting DCS
The effect of a lightning strike to control and safety system (DCS and Safety PLC)
> there were considerably big >lightning strike? As far as I'm concerned, when it comes...
from the compactworld department...Changing IP address Compactlogix
Changing IP address of CPU, impact of Flex I/O
I agree entirely with James' comment. We always install 2 Ethernet modules whenever possible....
from the Project department...How to power up for slc 504 without chassis?
SLC 504 power up without chassis
Instead of screwing around with jumpers and multiple power supplies, etc, etc, save yourself a lot...
from the Automation department...RSLinx Enterprise
Browsing through DHRIO in RSLinx Enterprise
Yes be well aware of that limitation. You are limited to the amount of data that you can access...
from the Forum department...Faulty temp readings on Allen Bradley j-type thermocouple
Thermocouples temperature fluctuation
Interesting similar situation....We found just the opposite...had a bunch of RTD's with 4-20ma...
from the Forum department...Oscilloscope for troubleshooting encoders, drives etc.
What is the right oscilloscope for a maintenance guy?
I used to do the same thing...drag my dual-channel dual-time base crt scope from home for the few...
from the Multi actuator system lifting one item department...Four DC motors in synch or close too.
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.
I would guess that the cost of installing DC motors and setting up all the controls and safeguards...
from the Process Control department...RSView web server?
Can RSView be accessed like a web server?
We have used GOTOMY PC to remote access some of the other Rockwell products installed on a PC. Have...
from the Forum department...Level Control
DP Sensing RFID
Thanks guys for the suggestions....may well take a closer look at load cells and go for the...
from the OSI vs. Aspen department...OSI Pi versus Aspen Info Plus 21
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
I believe it is part of the SDK (Software Development Kit) that PI offers along with their product....
from the Mechanical department...Anti-collision sensor
Sensor that can detect objects through thick fog
Did you consider just measuring/controlling the absolute position of the moving part...X, Y, Z? If...
from the Instrumentation department...Ground Faults in VFD
drives used for agitation and pump speed variation purposes many have recently failed with ground fault.
Is the drive simply declaring a ground fault and then recovers? Or does the drive actually fail and...
from the Forum department...AB PLC system users
Allen Bradley PLC firmware and family of controllers opinions?
As far a hardware goes, in 20+ years of using AB products, the only failures I have seen are a few...
from the OIL AND GAS department...Updating program with RSLOGIX 5000 VERSION 16.0
What happens if we update control software with newer version of RSLOGIX?
Be sure to check that firmware compatibility chart on the Rockwell website. Depending on the...
from the Forum department...NIC problem
I setup two workstations and each one with two NICs.
Are they both identical...from the same manufacturer? I have had communication issues in the past...
What if everything is an illusion and nothing exists? In that case, I
definitely overpaid for my carpet.
-- Woody Allen, "Without Feathers"
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