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6
replies
Correct Cable for PT-100
Posted by theSiemExpert on 18 March, 2015 - 4:55 am
2 cable connection or a 3 cable connection for PT-100?
1
reply
Brush Generator Terminal Voltage Getting Low
Posted by uj on 18 March, 2015 - 1:03 am
Brush generator voltage getting reducing form 10.6kv to 10.3kv @ FSNL.
Cimquest Studio 32bit
Posted by quadzer on 17 March, 2015 - 10:26 pm
Cimquest Studio 32Bit Enet VB6 HMI Serial
1
reply
PLC master File with Descriptors
Posted by PrasadVe on 17 March, 2015 - 2:18 pm
How to make PLC backup in rslogix with comments
12
replies
Communication between Microcontroller (Master) and Schneider Drives (slaves)
Posted by malampati on 17 March, 2015 - 12:48 am
Question about MODBUS communication from the micro controller to Schneider drives using MODBUS RTU communication.
Reprogram Fault in Allen Bradley PLC
Posted by wazid_27 on 16 March, 2015 - 3:20 pm
Reprogram Fault (F-48) in Allen Bradley 1336 BRF-50 VFD.
4
replies
Analog Input of Heater Fluctuating
Posted by GlennAvans on 16 March, 2015 - 4:57 am
The analog input of the heater is fluctuating with +/- 1000. What could be causing the problem?
2
replies
Voltage Limitations for Synchronous Generators
Posted by krigl on 16 March, 2015 - 3:45 am
what will happen to a synchronous generator if it operates at lower (or higher voltage) than 5% of its rated voltage over a long period?
6
replies
Toolbox and Workstation in MarkVIe
Posted by John on 15 March, 2015 - 12:38 pm
Difference between Workstation and Toolbox in MarkVIe.
32
replies
Increasing Excitation of an Isolated Alternator Feeding a Resistive Load
Posted by Shahvirb on 15 March, 2015 - 11:08 am
Effect of increasing excitation on terminal voltage and load current of an isolated alternator feeding a purely resistive load.
7
replies
DC to DC converter
Posted by fuddy on 15 March, 2015 - 3:28 am
DC generator with variable 90-16 vDC output requiring conversion down to 24 vDC
1
reply
DC Water Pump Control
Posted by Shuag on 14 March, 2015 - 4:40 pm
DC Water Pump Control with Siemens S7 1500 PLC
2
replies
Engagement of Turning Gear after Overhaul
Posted by shad786 on 14 March, 2015 - 10:08 am
Unable to engage the turning gear after overhauling of LP turbine
1
reply
200 Volt Motor
Posted by keith123456 on 14 March, 2015 - 8:39 am
200 volt duplex air compressor
2
replies
IP Address Conflict on Ethernet Network between ControlLogix Controllers
Posted by bqadri on 13 March, 2015 - 11:54 am
IP address conflict between two controllers. How to resolve?
4
replies
Migration from CS3000 TO CENTUM VP
Posted by SRINI on 13 March, 2015 - 8:38 am
Annoyed for having to think of migrating to Centum VP just because Dell has stopped manufacturing XP compatible Workstations.
3
replies
Condenser Vaccum
Posted by kk1989 on 12 March, 2015 - 3:26 pm
Let me know about keeping vacuum inside condenser? Why it is needed and how we create it?
9
replies
Fluctuation of Generator Parameters During Low Demand Period
Posted by MakBan on 12 March, 2015 - 7:44 am
What is causing the fluctuation of some of the generator parameters during low demand period?
KepServerEx v4.5 and Windows 7 Issue
Posted by Oleksandr_Husyev on 12 March, 2015 - 7:21 am
KepServerEx v4.5 on Windows 7 SP1 32 bit doen't work under account with User rights or even Experienced User rights.
1
reply
Synchronous Generator and Power Grid Failure
Posted by synchro on 12 March, 2015 - 6:23 am
what is the problems for a synchronous generator during a grid fault?
1
reply
Brushless Capacitor Excited Alternator
Posted by electrical engineer on 12 March, 2015 - 2:47 am
What happens when a 2 pole brushless capacitor excited single phase alternator is run at 2600 rpm rather than 3000 rpm?
7
replies
Load Capacity of RS485 Driver
Posted by viks on 12 March, 2015 - 2:32 am
Simple accessory for testing the RS485 driver load capacity.
3
replies
Cheap Displacement Measurement Sensors
Posted by normad on 12 March, 2015 - 2:11 am
Looking for a inexpensive displacement measurement sensor with a 200~300mm range and about 0.2~0.3mm resolution.
5
replies
PG6581B Operating in IGV Temperature Control Mode
Posted by rudillus on 11 March, 2015 - 1:59 pm
I am operating a two in one combined cycle plant with 2 GE PG6185B turbines. Clarification needed on part load, base load and peak load operations.
InTouch Report Using MS Access
Posted by Apostolos on 11 March, 2015 - 6:53 am
Creating an InTouch report using MS Access. How to connect with MS Access.
3
replies
Keeping Constant Net Power of the Plant.
Posted by skchp on 10 March, 2015 - 7:44 pm
if efficiency of compressor decreases because of fouling or whatever, how the control system will keep constant the net power?
3
replies
High Leg Open Delta Calculation
Posted by goku90504 on 10 March, 2015 - 6:14 pm
Trying to calculate transformer sizes for high leg open delta
1
reply
24VDC Grounded or Floating
Posted by Tharani09 on 10 March, 2015 - 2:23 pm
24VDC floating or grounded for Digital Input module.
3
replies
Motors Tripping on RTDs
Posted by UG on 10 March, 2015 - 9:40 am
Erroneous tripping of Motors on Winding RTD's within less than a second of the start up.
WinCC Flexible Stored Procedures SQL
Posted by Ryan Gerber on 10 March, 2015 - 9:28 am
I need help with a VBS file in WinCC Flexible 2008
Location of RF Filter
Posted by A A Viegas on 10 March, 2015 - 8:04 am
Where to place RF filter in the Cabinet for the Mains Power 230 V AC?
5
replies
Proper Cable for 4 - 20 mA Analog Signal
Posted by shabirahmedks on 10 March, 2015 - 5:09 am
Can we use twisted pair, stranded bare copper cable for 4-20mA analog signal?
2
replies
Thesis on Timed Controller
Posted by chudy on 9 March, 2015 - 12:07 pm
Thesis topic on flow divider unable to rotate while transferring from gas to distillate fuel on a dual fuel system.
2
replies
Pump ON/OFF Control P&ID symbols
Posted by jkate on 8 March, 2015 - 5:18 pm
I'm looking for the information on the correct way to show pump control on a P&ID.
8
replies
STG Condenser DP Type Level Transmitter Issue
Posted by KSHAH on 8 March, 2015 - 3:17 pm
Our combine cycle power plant is facing problem in STG condenser level transmitter. we have DP type level transmitter with condensate pot. We have 260MW four STG available at our plant.
9
replies
Reducing Flame Intensity
Posted by abdi on 8 March, 2015 - 11:08 am
Can flame intensity reduced?
4
replies
Visual Studio HMI with RSLogix OPC Server
Posted by andersonleal76 on 7 March, 2015 - 2:11 am
Please someone could help me with visual studio application for RSLogix 5000.
2
replies
Problem Between ABB DCS and GE Mark V Gateway
Posted by Fabrizio86 on 6 March, 2015 - 3:29 pm
Connection Problem between GE Mark V Gateway GSM.exe and Driver Mark V Power Generation Portal DCS ABB.
PLC Tonnes Accumulator
Posted by Chris IWO on 5 March, 2015 - 8:35 pm
PLC LM 90 70 Accumulator/Totalizer
1
reply
Loading OPC Tags in MARKVI
Posted by Anbu on 5 March, 2015 - 4:07 pm
Accessing and loading OPC tags from Mark 6 HMI
7
replies
Ground and Common sizes
Posted by ChuckyIII on 5 March, 2015 - 12:40 pm
I'm looking for basic knowledge regarding wire sizes.
4
replies
Turbine Compartment Hazardous Gas Detector 5A
Posted by msalem73 on 5 March, 2015 - 10:47 am
Turbine compartment Hazardous gas -Ve reading in high load
APS 5000/TDC 3000 History Module Replacement
Posted by mohid on 4 March, 2015 - 11:53 pm
History module bad sector encountered on Yamatake APS5000/TDC3000 DCS and needs replacement.
1
reply
PLC Upgrade
Posted by CanTech on 4 March, 2015 - 3:00 pm
What do you think about converting a PLC Code?
1
reply
Using Toolbox SDB Client API
Posted by japz87 on 4 March, 2015 - 2:24 pm
Has anyone here used the Toolbox SDB Client API to develop an SDB client?
Cathodic Interference of Conductivity Instrument
Posted by GregMcCrea2 on 4 March, 2015 - 10:35 am
Stray voltage in pipe causing error in conductivity instrument.
2
replies
SCADA Communication between Mitsubishi FX0N-40MR-ES and Schneider IGSS 11.0
Posted by locklec on 4 March, 2015 - 3:10 am
Newbie Frustration - looking for SCADA education and help.
Using IBM Maximo in Data Analysis for Preventive Maintenance
Posted by Kei on 3 March, 2015 - 8:34 pm
IBM Maximo has the function for analysis on sensor value, for example, in order to detect faults early?
5
replies
Best Book on Generators
Posted by floyd699 on 3 March, 2015 - 6:27 pm
is there a good book that primarily focuses on generators?
2
replies
Slurry Level Measurement
Posted by ahmedhelmy87 on 3 March, 2015 - 4:38 pm
I'm searching for suitable method for measuring slurry level inside process tank
Controller fault on Logix5571
Posted by KevinO on 2 March, 2015 - 2:30 pm
Need help dealing with fault caused by communication loss between main ControlLogix rack and PLC5 racks
7
replies
"DCC ERROR" IN C
Posted by bil07 on 2 March, 2015 - 1:50 pm
C LCC display toggling between "A7" & "DCC ERROR"
2
replies
Atomizing Air 9001E
Posted by bil07 on 2 March, 2015 - 12:18 pm
Removing system Atomizing Air in Frame 9001E
15
replies
Complaints of GCV Oscillating but Calibration and LVDT OK
Posted by topcat on 2 March, 2015 - 8:20 am
Customer complaining that that the GCV is oscillating. The calibration and LVDTs seem OK.
Bentley3300 XL Ceramic Capped Probe Malfunction
Posted by Hassan on 2 March, 2015 - 2:50 am
Bentley3300 XL Ceramic Capped Probe malfunction causing trip of the machine. The electrical connections checked and found okay.
1
reply
SLC 500 Programming
Posted by bowilly on 1 March, 2015 - 5:46 pm
Need a refresher on data manipulation
Small Gas Turbine Powered By Wood Dust
Posted by James Lam on 1 March, 2015 - 12:45 pm
Building a small brayton gas turbine powered by wood dust, using off-the-shelf industrial machinery and components.
Antisurge Algorithm for Centrifugal Compressor
Posted by chetanhm2 on 1 March, 2015 - 10:53 am
Antisurge control for centrifugal compressor with variable speed: Algorithm implementation in Unit Control Panel
1
reply
Problems Disconnecting Generator from Grid
Posted by Yyyackums on 1 March, 2015 - 7:21 am
Trying to power up a generator head via the grid and then disconnect generator from grid
1
reply
Industrial Motors
Posted by brock14421 on 27 February, 2015 - 7:58 pm
D.C control units
1
reply
ELMO or ABB Motion Controller for Simple Multi-axis System
Posted by ascona16sr on 27 February, 2015 - 11:53 am
Differences between PLC and motion control for CanOpen or EtherCAT multiaxis system.
Where to Find ASCII Strings to Send to Fanuc 0i CNC
Posted by pyr4ted4ve on 27 February, 2015 - 10:19 am
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
Posted by kk1989 on 27 February, 2015 - 8:56 am
What does the mean of Gland steam? Let me know brief about it?
1
reply
Principle of Generating Load in Coal Power Plant
Posted by kk1989 on 27 February, 2015 - 8:33 am
What are the principle behind generating load in Coal Thermal Power plant?
3
replies
Rotor Angle Measurement Using Proximity Sensor
Posted by akhil86 on 27 February, 2015 - 6:12 am
Need help understanding how to measure rotor angle using single inductive proximity sensor and speed signal which is also measured using proximity sensor.
CAT ADAEM II Communication with PLC
Posted by Chris IWO on 26 February, 2015 - 7:14 pm
Communication between Cartapillar ADEM II Control system to CitecSDADA 6.10
1
reply
Lean-Lean Positive and Lean-Lean Negative
Posted by Mahesh on 26 February, 2015 - 1:30 pm
Difference between Lean-Lean Positive and Lean-Lean Negative
27
replies
Power Grid Failure
Posted by kk1989 on 26 February, 2015 - 10:21 am
I want to know about Grid failure situation at power plant.
1
reply
Mark IV EPROM
Posted by tahri99 on 26 February, 2015 - 8:34 am
Part/reference Number of the EEPROM on a Mark IV DS3800HMPK1N1K
2
replies
M12 Cable Connection
Posted by prasanna9317 on 26 February, 2015 - 1:24 am
Is it right to connect ordinary wires to M12 Cable ends by soldering?
6
replies
Generator Operation
Posted by jack on 25 February, 2015 - 10:07 am
Generator ramp rates, prohibited zones and valve point effects
1
reply
Sending Strings to PLC Serial Port
Posted by Sebastien on 25 February, 2015 - 8:38 am
I need help in sending a text string via my Allen Bradly 1500 PLC.
4
replies
Electromagnetic Flowmeter Fluctuations
Posted by shahnir on 25 February, 2015 - 6:47 am
Fluctuations of Flow readings in newly installed Electro-magnetic Flowmeter
4
replies
Turbine Lube Oil Header Temperature Trip Setting
Posted by rkysati on 24 February, 2015 - 7:26 pm
Turbine Lube Oil Header Temperature Trip Setting
2
replies
Oil Level Measurement
Posted by Ron Wensley on 24 February, 2015 - 7:03 pm
Measure the oil level in a tank over a range of temperatures
3
replies
GE EGD Configuration Server vs System Database (SDB)
Posted by japz87 on 24 February, 2015 - 6:35 pm
What's the difference between them?
8
replies
Transmitters Calibration Interval
Posted by salmanisn on 24 February, 2015 - 9:23 am
What is the recommended interval for calibration of transmitters, DP, temperature, and pressure transmitters.
1
reply
Control Principles Used by DCS in Utilities
Posted by Kenno on 24 February, 2015 - 3:08 am
Which control principles are commonly used in a DCS in the utilities business?
1
reply
Looking for Information about OPC Servers
Posted by ENGMOHAMED_ORABY on 24 February, 2015 - 12:21 am
When do we need to use OPC SERVER?
1
reply
Synchronizing Variable Frequency Drives
Posted by sandip banerjee on 23 February, 2015 - 12:29 pm
I have 3 drives (make-fuji) for 3 belt conveyors to synchronize.
4
replies
FIELDBUS for Safety Instrumented System?
Posted by Kenno on 23 February, 2015 - 10:53 am
Looking for information about a special version of FF designed for the use in safety instrumented systems.
7
replies
Confusing MODBUS Issue
Posted by Elimathew on 22 February, 2015 - 1:24 pm
Implementing modbus on microcontroller but encountered a very puzzling issue
Spam-bot attacks on Control.com
Posted by KenCrater on 22 February, 2015 - 9:35 am
Control.com and the never-ending battle against spammers.
2
replies
Chesapeake/BP Amocams RTU
Posted by garyfranco on 22 February, 2015 - 8:56 am
Chesapeake/BP Amocams RTU (Bristol Babcock 3340) configuration documentation and applications
1
reply
Configuring Remote Extraction Set Point in Woodward 505
Posted by bkumar on 22 February, 2015 - 8:37 am
Configuring remote extraction set point (4-20 mamps) from DCS.
6
replies
Convert Flow Rate from kg/hr to litr/hr
Posted by shsoltani on 22 February, 2015 - 3:41 am
How do I can convert flow rate from kg/hr to litr/hr?
Upgrading Citec 6.10 to Citec7.10
Posted by Chris_IWO on 21 February, 2015 - 11:52 pm
Upgrading CitecSCADA 6.10 to CitecSCADA 7.10
1
reply
Automatic Grid Control Functions
Posted by ITT on 21 February, 2015 - 10:27 am
How do advanced/automatic grid control functions work in combined and simple cycle power plant?
Rosemount GWR Length Reduction Creating Measurement Errors
Posted by owais36 on 21 February, 2015 - 10:09 am
I have adjusted the Rosemount GWR lenght but the level measurement is now inaccurate.
1
reply
Turndown Ratio of Dual DP Cell on Orifice Stream
Posted by chillwin on 21 February, 2015 - 4:30 am
Need help calculating the turndown ratio of dual dp cells on an orifice system.
Questions about Boiler Startup
Posted by pikachoo99 on 21 February, 2015 - 12:37 am
Significance of boxing up of boiler
3
replies
AB SLC500 and PV HMIs
Posted by bowilly on 20 February, 2015 - 4:19 pm
Training manuals either paper or electronic
4
replies
Clogged Pipes on 9F DLN1 Dual Fuel Units
Posted by Jolek on 20 February, 2015 - 11:54 am
Solution for clogging/sludging liquid fuel pipes and check valves
1
reply
Frame 5 Thermocouples
Posted by StueyG on 20 February, 2015 - 10:32 am
Frame 5 Thermocouple failure issues
Baldor H2 Inverter
Posted by Jose Silvera on 20 February, 2015 - 10:11 am
Baldor H2 Inverter reverts to local control after fault or alarm condition.
How Can I Come Into Automation Field?
Posted by keviv2484 on 20 February, 2015 - 9:23 am
I am having experince in CNC PLC programming field. Can I enter Automation PLC?
3
replies
Remote Set Point Temperature Controller
Posted by normad on 20 February, 2015 - 5:41 am
Looking for recommendations for a remote set point PID controller
Comparing Temperature Transmitter Models
Posted by Seena on 20 February, 2015 - 4:10 am
Model Number comparison between transmitter giants
13
replies
Maths Required for a Career Gas Turbine Controls
Posted by RenegadeGas on 19 February, 2015 - 3:50 pm
Gas Turbine controls
3
replies
125 V DC Dropped on EOP Stopped
Posted by VKGUPTA on 19 February, 2015 - 12:48 pm
125vdc control supply drop during EOP stop command