Can Zone 2 Gc Equipment Inside a Zone 1 Gb Ex de Enclosure
Can zone 2 IECEx equipment go inside a zone 1 rated panel, or, is the atmosphere inside a Ex de Gb panel de-rated to zone 2?
MARK I Control System Backsheets
Collecting diagnostic data from Mark I system
By daveam on 24 May, 2017 - 10:04 am
GE should have provided a large package of drawings for your unit. These drawings should include...
By VCEGCE on 24 May, 2017 - 9:15 am
> Any assistance would be most welcome. You could trying reaching out to G.T.C. I know...
RTD or Thermocouple for Bearing Temperature
Which is preferred RTD or thermocouple for measuring bearing temperature and why?
By d on 24 May, 2017 - 1:01 pm
RTD's provide better coverage at lower temperatures since you are measuring resistance and not...
on 23 May, 2017 - 5:32 pm
There are advantages to both types, and disadvantages as well. I've seen both types, though I more...
Transmitter Impulse Tube Insulation
Heat Tracing or/and Glycerine filling for DP impulse tubes
Criteria for selecting a transmitter from a vendor whose products you have not used before
TRICONEX PLC Cabinet VS Rockwell/Allen-Bradley PLC Cabinet
Oscilations with Multiple PIDs
Control of a (simulated) humanoid robot with PIDs to control each joint: osculations at 0.5*simulation frequency (=0.5*control frequency)
By d on 21 May, 2017 - 12:20 pm
You have to look at the physical geometry of your system to sort out the interactions, since every...
Remote Monitoring of Analog Inputs
Remotely monitoring Analog Inputs (4-20mA) on web browser or mobile.
By Jeremy Pollard on 15 May, 2017 - 8:42 am
Assuming that you will be connected via Cell Modem and need to keep data bandwidth low, I would use...
By Joelhaggar on 13 May, 2017 - 9:37 am
This is a low cost PLC with a web server: http://www.triplc.com/fmd8810.htm If you want to add...
want to understand detailed operation of starting means
Japan Electrical Rating D2G4
Are Japanese electric motors with EXP rateing D2G4 same as USA Class1 DIV 1 Group C,D?
Engine Exhaust Temperature Thermocouple
How to select proper thermocouple and monitoring system.
Resistor power rating for converting 0-20mA to 0-5 volt.
Flow Direction for Butterfly Valves
Flow direction/flow action for butterfly valves
By d on 14 May, 2017 - 5:53 pm
If that is critical to the valve operation, a flow arrow will be a permanent mark on the valve...
Best Fuel Control Mode for Mars-100 Gas Turbine
Need help to determine the best fuel control mode for Mars-100 gas turbine
SICK FLOWSIC100 Flare Ultrasonic Insertion Flowmeter
Seeking the experiences of people using SICK FLOWSIC100 Flare
Allen Bradley 1336 PLUS Drive - Restart After a Power Blip
Allen Bradley 1336 PLUS drive trips off after a power blip. Faults show power line loss and low bus fault.
Mark4 Diagnostic eeprom Fail
Mark4 eeprom HUMB u28, 30 failed diagnostic
By jackp on 11 May, 2017 - 4:36 am
Is the unit still operational? If not; as you have a message stating that the Backup EEPROM to...
By Seeker on 11 May, 2017 - 1:03 am
WORLD OF CONTROLS can help you with backing up of EPROMS and supplying the same....
Modbus RS485 ~16 Input Module
Looking for a tough digital input module that can connect into a RS485 line, Modbus address settable, 24Vdc supply.
Reducing Noise from the Sensor Signal
How to reduce noise from sensor signal?
By d on 10 May, 2017 - 5:58 am
The 4-20 mA interface is not vulnerable to such noise with proper shielding and grounding....
Modbus RTU Coexist with Modbus TCP?
Is it possible to make a Modbus RTU and a Modbus TCP cohabit in the same device?
By baban on 9 May, 2017 - 3:08 am
Hello Mark and thank you for your replies. Well there was no confusion lol. The thing is I'm...
By Mark on 4 May, 2017 - 1:45 pm
Hello, I think there is some confusion. TCP is a point to point protocol. A message from...
By baban on 4 May, 2017 - 11:39 am
hey, Yes you are right, but the client can communicate with a slave using RTU and in the same...
By Mark on 4 May, 2017 - 10:10 am
Hello, Assuming, a multi-drop hardware loop, yes RTU allows 1 master and 1 or more slaves. ...
By baban on 4 May, 2017 - 3:51 am
Hello Mark and thanks for your answer. By coexisting i was searching also for differences...
By Mark on 3 May, 2017 - 4:12 pm
Hello, MODBUS RTU is normally serial, RS232, RS485, etc. MODBUS TCP is normally carried over...
Citect and Sepam in IEC61850
Communicating between Citect 2016 and a Sepam relay in IEC61850 using protocol
By Ralph Mackiewicz on 8 May, 2017 - 1:00 pm
To which XML file are you referring? If this is the Substation Configuration Language (SCL) file...
Importing Variables in ABB Freelance 2016
When importing Variables in Freelance, Locations are discarded.
By Sugar on 8 May, 2017 - 12:25 am
Hi StAnder, Right, Replying to last line of the above post. there are always way out for any...
GWR Echo Peak Is Below Zero Distance
GWR level echo lost and when checking the envelop curve. We found the level echo peak in a position above the top flange.