from the Forum department...EExed and EExde certification
EExed and EExde certification and hazardous area question
By Bruce Durdle on 3 December, 2013 - 5:24 pm -
The use of EEx de simply means that the equipment uses both Ex d and Ex e methods of protection -...
from the Automation List department...Electrical Design Software
Is there any professional software for the electrical engineer to do the electrical design like schematic and wiring diagram?
I've used the former Electronics Workbench, now NI Multi-Sim. They'll give you a free CD demo...
By tumpliner on 2 December, 2013 - 11:01 am -
You sound like a salesman for it. I looked at EPlan and saw nothing wrong with its performance, but...
from the Forum department...GE Application Experience - GEZ-3226BB
GEZ-3226BB - GE Application Experience
from the Electrical, hazardous areas department...EX d obstruction
Obstructions of flamepaths on ex d equipment. Do minimum distances apply to ex d spigot joints?
from the Forum department...Automation and Control
Advice on studying for a Masters in automation and control
from the Forum department...Inverted Pendulum Balancing
I have some theoretical questions about a problem with Inverted Pendulum Balancing
Thank Paul! I have to note that I have already the work in an intermediate "tuning the...
By Paul on 26 November, 2013 - 4:11 pm -
I'm going to start by saying I've not done an inverted pendulum before but I understand some of the...
from the Forum department...HART communication
HART multidrop limitation
By P. Mahesh on 26 November, 2013 - 1:29 am -
Thanks for your answer. I'm still confused abt one thing, if 62 devices can be connected as per...
The limitation is a HART 5 limitation, according to the HART Foundation's HART Communication...
from the Automation List department...boiler drum level calibration with DPT
How to calibrate DPT for boiler drum level control? How to decide range of DPT?
By David Todd on 25 November, 2013 - 9:48 am -
Your calibration in the shop corresponds to 610 mmWg at ambient temperature where the density of...
By Rishi on 20 November, 2013 - 9:33 am -
How to calibrate DPT for boiler drum level control? How to decide range of DPT? We mount a level...
from the Education department...BSR and Bit Shifting
Usage of a BSR and bit shifting
By Gerald Beaudoin on 20 November, 2013 - 12:19 pm -
A couple of applications come to mind.....usually found to logically represent the progress of a...
from the GE Frame Engines department...Frame 6B Flow Divider Speed?
Can anyone help with some information on the flow divider?
Hi TOral, Thanks for the reply. Getting information from site has not been easy so far but I'll...
Hi, As you know, the function of the flow divider is to devide the flow into equal amounts to...
from the Fire Alarm Systems department...Minimax System
having problems with the Minimax FMZ4100 system in our plant as several loops and groups are malfunctioning.
from the Forum department...Magnetic vs. Ultrasonic Flowmeters
Ultrasonic and magnetic Flowmeters in Landscape Irrigation application
By ambrish pundir on 15 November, 2013 - 10:12 pm -
Hello, Thank you guys for all the help and replies. I was able to generate the report. ...
from the Forum department...Modbus spec 32-bits register access
32-bits register access
By Lynn August Linse on 9 November, 2013 - 11:27 am -
Dave brings up a good point I'd overlooked - allowing a user to read 1/2 of a float a few msec...
Copying 16 bits at a time of a 32 bit value that may be changing can have unintended results. If...
By Lynn August Linse on 8 November, 2013 - 1:23 pm -
One sees both behaviors - for most PLC one can read 1/2 a float and never be any wiser. Other...
from the Forum department...Driv settings for Electro Craft IQ200 model PDM-20
Seeking information on drive settings Electro Craft IQ200 model PDM-20.
from the how to control motorised 2way valves department...The control of motorised valves for water heater
I am looking into the viability of having a secondary water heater so i will need to isolate the immersion heater when I use the other heater and vice versa. So I think Motorised valves will do this but how to control that is the question.
from the Instrumentation and Control department...Learning more about DELTA V DCS
Online tutorial for Delta V DCS
from the Hotels department...Modbus RFID readers
Looking for mifare ultra lite RFID reader that does Modbus.
By Mikael Arhelger on 7 November, 2013 - 1:53 am -
We have a UHF reader that communicates in ASCII via RS485. I need to evaluate the tag and then send...
from the Forum department...Natural gas and super compressibility factor
Super compressibility factor in Natural gas measurement
By d- on 31 October, 2013 - 12:19 pm -
you have to read the literature you are referencing very carefully Supercompressibility refers...
from the SIS department...New to SIS Practices
Looking to bring industry leading practices into small town Pennsylvania refinery. (Smalltown PSM Guy)
from the Forum department...Intrinsic Safety
Intrinsic Safety Verification
Hi, Thank you for your reply. I am familiar with the simple apparatus. But I've also studied...
Hi, Have you checked through IEC 60079-11? RTDs are classified as simple apparatus as per IEC...
from the Hardware Engineering department...How to Write (Update the values) into registers via modbus in python
Updating register values via modbus in python
Presumably the socket.timeout error is on the .recv() call, and not the connect or write, correct? ...
from the Automation department...AC Voltage Drop Calculation in Cable
Want to calculate the total voltage drop in a 600 meter long cable carrying 150A
Dibin ... can you explain why you believe the circuit-length multiplier '3' should be used...
By Dibin P kuriakose on 24 October, 2013 - 7:28 am -
In this formula, Voltage drop = 2 * length in meters * resistance per km * current in amps / ...
from the Anyway will do department...PLC Rack Layout
Project group wish to install a new rack above existing racks. Would like a standard to refer to for correct installation. Manufacture, though opposed, do not have written objection as it can be done.
In 30 years, I have never encountered a blind or illiterate PLC technician. If the techs at...
By Bruce Durdle on 26 October, 2013 - 2:52 pm -
There is no pressing engineering reason to maintain a logical order in the racks - it's a...
from the department...Texas Instruments 5TI questions
My plc contains three parts: I/O EXPANDER (MODEL: 5TI-5500), DATA LINK (MODEL: 5TI-3101), SEQENCER (MODEL: 5TI-1034-1).
By Bob Peterson on 24 October, 2013 - 5:11 pm -
I worked on a number of 5TI systems in the mid 80s and a few since. They really did not change a...
By Bob Burkett on 24 October, 2013 - 11:00 am -
I was the engineering manager who developed the original 5TI plc. I would be interested in getting...
from the HELP !!!! department...Help on Cotas PLC
I work for a wind turbine company and it would be nice to be able to look at least the i/o ports on a cotas PLC.
By Junaid on 23 October, 2013 - 3:07 am -
thank you sir for your information, but here my concern is that if cotas cpu failed then where we...
from the Forum department...Measuring weight from Hydraulic Pressure
I need to measure weight of the steel coil from the hydraulic pressure when lifted up
By Steve Myres on 22 October, 2013 - 2:33 pm -
If it's repeatable, could you maybe calibrate it out? BTW, do you have something against load...
By dinesh on 22 October, 2013 - 11:43 am -
hi, i would like to design a static weighing system with hydraulic pressure based for 4tne. ...
from the Help!! department...DSE 5510 communication
How to change the number of a DSE5510 slave
I think that the only way to change the Modbus slave ID is to connect with a P810 connector and use...
from the from the same sandbox dept department...Instrumentation/Electrical responsibilities
The responsibility of control from Instrumentation or electrical is becoming shades of grey.
By Curt Wuollet on 22 October, 2013 - 12:23 am -
It's really strange but with particular situations I've been in, nobody else wants my job. I have...
from the Instrument Engineering department...Calibration of Speed Control Governor
Would you like to inform me how calibrate or tuning PID Speed Control of Servo Valve which is using SPC and Woodward 505?
"I've seen better heads on half a pint of beer."