from the HOA switch family department...HOA1A2 Switch
Anybody seen an HOA1A1 switch?
from the Forum department...Safety for a dial table indexer?
A simple problem, but I'm not even sure where to begin. A dial table with operator interaction, and not sure what parts must be protected by an e-stop.
By Richard Harris on 5 November, 2012 - 10:58 am -
The requirements for two had control is found in ANSI B11.19. For safety it is not a requirement...
By Ken Emmons Jr. on 5 November, 2012 - 8:33 am -
What kind of control is the "indexer" you speak of? Is this a smart servo drive, motion...
By Curt Wuollet on 4 November, 2012 - 9:39 am -
Actually a simple two hand safety circuit needs timers. The times are mandated in the controlling...
from the Electrical Engineering department...Variable Frequency Drive
Using variable frequency drive and energy conservation
from the Instrument department...Reliability of Magnetic Level Switches (Reed)
Are external magnetic switches (reed type) reliable? Are they available with any sort of SIL rating?
from the I&C department...book for I&C
books for I&C engineer
> Can anyone please provide some names of good books for an I&C engineer? Please contact...
from the Instru department...Power Supply Grounding/Earthing Concepts
Want some information about floating and grounded power supply systems
This might be helpful: ...
By PKB on 28 October, 2012 - 1:22 am -
For a floating 24V power supply, if we check the voltage between positive and ground or negative...
from the dc link under voltage department...weg ac drive tripping
weg ac drive tripping on voltage dips
i would contact WEG. enabling ride through should be enough....
I don't really think disabling protection is the best strategy. If you are that serious about...
from the Programming languages department...How To Excute the DOS Commands in Visual Basic
i can't run the DOS commands in VB programs. Please help me.
By Panayot on 29 October, 2012 - 7:49 am -
> Shell("calc.exe") to run calculator > Shell("cmd.exe") to run...
from the Forum department...Loop Checking
Can I simulate 4-20ma signal to a loop powered device?
To expand on Roy's answer, many field devices called "calibrators" have the ability to...
By Roy Matson on 24 October, 2012 - 12:19 am -
Yes, transmitter simulation is standard on most calibrators....
from the kv2c+ department...modbus for ge kv2c+
networking of almost 200 ge kv2c+ meters for modbus communication using RS485
By Jake Pritchard on 24 October, 2012 - 4:50 pm -
Hello Lynn, I am interested in your proposed solution for retrieving data from a GE kv2c+ meter....
from the No Man's Land department...Large area protection
What are the most effective ways to protect the area around an automated machine that is physically large?
Ken, also take a look at these: ...
By Russ B on 22 October, 2012 - 1:51 pm -
the Banner AG4 does this too. ...
By Steve Myres on 22 October, 2012 - 8:47 am -
Yes, there are. I think Sick makes them, among others....
from the IMP department...Low cost option for magnetic flowmeter for desalination project
Low cost option for magnetic flowmeter for desalination project
from the Engineering department...Scaling Historians
Has anyone had issues scaling data historians to handle more data?
By jjrogers on 22 October, 2012 - 9:17 am -
Gerald, I've read this somewhere else, specifically OSI PI provided by Rockwell. Thanks for the...
While our PI system is quite small by comparison (around 500 tags), the data base performance is...
By Rob on 18 October, 2012 - 7:59 pm -
For a comparison of PI with other systems you could start here...
By jjrogers on 18 October, 2012 - 10:50 am -
Rob, thanks for the insight! I'm probably looking at over 25K tags (maybe slightly over 50K),...
By Rob on 17 October, 2012 - 10:25 pm -
With OSI PI - No. The system scales up to 10s of thousands of tags or more with no issues. We...
from the electrical department...2301D setting for Cat D399 engine
Problem with stability of CAT D399 engine
from the maintenance department...New flow compensation formula for an orifice plate
Flow compensation formula question
from the What, me worry? department...Risk assessments for automated machines
Do you do formal risk assessments as part of the design process?
> Ken... is your "practices" study limited to Robotic-type machinery, or are SIS (ESD)...
Ken... is your "practices" study limited to Robotic-type machinery, or are SIS (ESD)...
from the inst department...intrinsically safe for simple apparatus
intrinsically safe for simple apparatus
By bond on 20 October, 2012 - 12:38 pm -
Bruce, thank you for clarification simple yet detailed answer regrds bond...
Simple answer - yes. A simple device, by definition, is one that cannot generate more than 1.5...
from the Forum department...Calculating Sound Pressure Level from FFT
How is A-weighted Sound Pressure Level (SPL) in dB calculated?
from the Forum department...Field Control Wiring Method
Different Voltage Level Signals within one multi-conductor cable - wiring method
It's not clear from the information provided how much current is being carried on the 125 VDC...
from the automation department...fieldbus system for generator stater winding temperature measurement
use of fieldbus system for generator stator winding temperature measurement
from the Instrument department...DP of two distant points
How to avoid induced error of long tubing for DP transmitters?
By Sam on 16 October, 2012 - 4:24 pm -
Hi, I would suggest you get away from the tubing application and definitely not to install 40...
NEL has 20 page paper, Best Practice Guide: Impulse Lines for Differential-Pressure Flowmeters. ...
By Bruno on 16 October, 2012 - 11:02 am -
Hi Hasseli DP of 20mBar is very low so installation is your first enemy! - long tubing: the...
By Pedro on 15 October, 2012 - 3:16 pm -
I would recommend that you contact your local Rosemount/Emerson Process Management Account...
Hi Bruno, Thank you for the hint. The service is gas in my case. We have used 0.5"...
By Bruno on 15 October, 2012 - 10:56 am -
Hi AddoLazim, Can you confirm, please: - the service of your DP transmitter, gas or liquid. -...
from the instrumentation department...Line monitoring facility
Line monitoring facility for Normally open inputs and for outputs which require no power.
from the start or stop department...Light curtain as *start* switch?
Unusual, but unsafe? Using a light curtain to start a system.
The price of seeking to force our beliefs on others is that someday
they might force their beliefs on us.
-- Mario Cuomo