Control Principles Used by DCS in Utilities
Which control principles are commonly used in a DCS in the utilities business?
VTScada 11 hmi software? Any thoughts
Looking for feedback on anyone who has integrated systems using this software.
By Gettingitrightthefirsttime on 27 February, 2015 - 3:39 pm
I've been using various HMI software products for over 20 years, including VTScada, RSView, WinCC,...
GE EGD Configuration Server vs System Database (SDB)
What's the difference between them?
Implementing modbus on microcontroller but encountered a very puzzling issue
By Curt Wuollet on 27 February, 2015 - 2:32 pm
> A datascope program lets you put a PC on the wire between the master and slave and lets you...
FIELDBUS for Safety Instrumented System?
Looking for information about a special version of FF designed for the use in safety instrumented systems.
By Walt Boyes on 27 February, 2015 - 9:58 am
The former Fieldbus Foundation (now part of the Fieldcomms Foundation) did develop methodology and...
By Roy Matson on 26 February, 2015 - 5:27 pm
> I understand there is a special version of FF designed for the use in safety instrumented...
Rotor Angle Measurement Using Proximity Sensor
Need help understanding how to measure rotor angle using single inductive proximity sensor and speed signal which is also measured using proximity sensor.
ELMO or ABB Motion Controller for Simple Multi-axis System
Differences between PlC and motion control for CanOpen or EtherCAT multiaxis system.
Profibus communication problem between Beckhoff IPC and Siemens PLC
An IPC connected to a Siemens PLC as a slave module. When I restart the PLC while IPC running then PLC can't find the IPC hardware on the Profibus network.
Where to Find ASCII Strings to Send to Fanuc 0i CNC
Need to find information on building ASCII string for a Fanuc 0i CNC controller. This would essentially be the raw data inside of an Ethernet tcp/ip packet.
Steam turbine in Thermal Power Plant
What does the mean of Gland steam? Let me know brief about it?
Principle of Generating Load in Coal Power Plant
What are the principle behind generating load in Coal Thermal Power plant?
Accessing historical data base when using Alstom ALSPA P320 HDSR in Virtual Machines
I want to know about Grid failure situation at power plant.
By kk1989 on 27 February, 2015 - 8:23 am
So, what are the primary steps to do after grid failure? is it shutting down unit? or, anything...
Measure the oil level in a tank over a range of temperatures
By Roy Matson on 26 February, 2015 - 4:41 pm
Ron, I agree the pressure will remain constant regardless of temperature. However it will...
Is it right to connect ordinary wires to M12 Cable ends by soldering?
By Curt Wuollet on 26 February, 2015 - 7:24 pm
There doesn't look to be any magic in the sensor cables I've seen. We buy connectors and make up...
CAT ADAEM II Communication with PLC
Communication between Cartapillar ADEM II Control system to CitecSDADA 6.10
Convert Flow Rate from kg/hr to litr/hr
How do I can convert flow rate from kg/hr to litr/hr?
By Roy Matson on 26 February, 2015 - 5:21 pm
You have realized that compressible fluids are far different from non-compressible liquids. Really...
Lean-Lean Positive and Lean-Lean Negative
Difference between Lean-Lean Positive and Lean-Lean Negative
TOP 10 list of Best and Worst HMI & SCADA
Posted by Luciano Dell'Orfano - RTS Argentina on 12 October, 2002 - 9:35 am
I know everyone has their personal preferences, but I think it would be more interesting to discover which software is the Best or worst...
By Dave Richardson on 26 February, 2015 - 12:01 pm
I think it means he learned fast and got out - while they have fixed some of the worst problems...
problem to read a laser sensor in OPC
Part/reference Number of the EEPROM on a Mark IV DS3800HMPK1N1K
Generator ramp rates, prohibited zones and valve point effects
Turbine Lube Oil Header Temperature Trip Setting
Turbine Lube Oil Header Temperature Trip Setting
By rvsaradhi on 25 February, 2015 - 8:17 am
Hi, Kindly follow the VENDOR specification document in steady of some body opinion. It is...
Can anyone help find cause of alarm "P IN WTR DIS SYS PLS"?
Emergency Stop Wiring for Multiple Remote ESTOPs
What is the standard to connect multiple remote ESTOPs serially to Estop Monitor Relay
Level Control for Water Tank
What kind of level sensors to be used to control the water level in a tank provided there will be level sensors to monitor 3 specific points in the tank.
Configuring Remote Extraction Set Point in Woodward 505
Configuring remote extraction set point (4-20 mamps) from DCS.
By thinde on 25 February, 2015 - 1:31 pm
Please contact the Woodward Turbine Help Desk at email@example.com They will gladly...
Electromagnetic Flowmeter Fluctuations
Fluctuations of Flow readings in newly installed Electro-magnetic Flowmeter
By Walt Boyes on 25 February, 2015 - 10:42 am
There are several possibilities. The most likely is that the flow really is fluctuating. The new...
Transmitters Calibration Interval
What is the recommended interval for calibration of transmitters, DP, temperature, and pressure transmitters.
Sending Strings to PLC Serial Port
I need help in sending a text string via my Allen Bradly 1500 PLC.
By Bob Peterson on 25 February, 2015 - 10:06 am
There are pretty good instructions in how to use the ASCII instructions to be found in the...
Can't install software without floppy drive.
By shoaib on 24 February, 2015 - 9:13 pm
Dear expert how i can generate a key code floppy disk files from an existing HIS? My key code...
Generating reports from Yokogawa Engineering Station
Generating reports from CENTUM CS -3000 YYokogawa Engineering Station and Operator Station
125 V DC Dropped on EOP Stopped
125vdc control supply drop during EOP stop command
Clogged Pipes on 9F DLN1 Dual Fuel Units
Solution for clogging/sludging liquid fuel pipes and check valves
OPC Tunneling Inter vendors
Is it possible to communicate MatrikonOPC Tunneler with Kepware OPC Connectivity Suite?
By Fred Loveless on 24 February, 2015 - 5:56 pm
Sorry I did not see this earlier. They are 2 different technologies. Ours uses OPC UA. I am not...