Posted by sajitpmbldc on 13 March, 2013 - 10:17 amBLDC motor
four quadrant operation of BLDC motor
Posted by SB on 13 March, 2013 - 3:37 amGas Turbine Fire Mode
Need your guide line regarding GT start on fire mode. When this mode is selected and why?
Posted by Djafer on 12 March, 2013 - 9:47 amMARK Vie TMR controlled
Posted by mike on 12 March, 2013 - 6:24 amProtect a 21V 2.4A DC system from an AC input
Is there a way to protect a 21V 2.4A DC system from an AC input using a fuse?
Posted by luah on 12 March, 2013 - 6:22 amModbus Meter PM710 to Zigbee Jennic JN5148
I would like to transmit data from Schneider Power Meter PM710 to Jennic JN5148 devices.
Posted by mike30 on 11 March, 2013 - 8:28 amBattery operated screw driver
Fixing a led. into the charging circuit of my battery operated screw driver.
Posted by atish on 11 March, 2013 - 4:53 amDrum level control by two element
What is cascade control & explain two element in simple language?
Posted by Jerry on 10 March, 2013 - 6:16 pmOpen Circuit Calculations
Transformer short circuit and open circuit calculations on primary end
Posted by me on 10 March, 2013 - 6:23 amwhy CPD is increasing?
Why cpd is increasing & how it is possible that at same speed cpd is increasing?
Posted by raj on 10 March, 2013 - 1:11 ammeasurement of pulp level
Measurement of pulp level using capacitance based DPT.
Posted by SB on 9 March, 2013 - 10:30 amGT Frame 9E Axial Position
Please share your experience regarding the Axial position of 9E machine, if value is in minus figure what does it mean and if value in positive figure what does it denote?
Posted by John on 9 March, 2013 - 2:29 amAccessing Siemens PLC
Need to gain access to Siemens Simatic PLC SZ model TD-200 without original program or password
Posted by me on 8 March, 2013 - 4:55 pmPurging air
where the air comes for purging when starting up the FR-6 ALSTOM GTG?
Posted by Rupak Rokade on 8 March, 2013 - 5:42 amProgramming PLC using Open Source software
Programming PLC using Open Source software
Posted by Mirza Vaseem Raza on 8 March, 2013 - 12:13 amWhy use HART Protocol rather than Fieldbus in some applications?
Why HART Protocol is used in DCS rather than Fieldbus in some applications?
Posted by Sameera on 7 March, 2013 - 9:13 pmchoosing proximity sensors for level detection
I need to choose a proximity sensor for liquid level detection. But the detecting diameter should not exceed 10mm
Posted by mahendra on 7 March, 2013 - 8:14 pmSteam Turbine rotor studdenly stops after running on barring gear
Steam turbine of 40 MW is running on barring gear after unit stopped.
Posted by EE on 7 March, 2013 - 4:20 pm3-Phase unbalanced power calculation
Looking for a way to verify heater elements power with measured voltage and impedance
Posted by Adeyinka Adekanmi on 7 March, 2013 - 3:02 pmgenerating Hook-Up drawings for field instruments
Material For preparing Hook up drawings
Posted by UNGKU KAMAL on 7 March, 2013 - 1:12 pmEfficiency of ac generators
When using ac generators in Power Stations, what are the advantages of using " Flux Cutting " types, compared to using " Magnetic Induction " types.
Posted by Mirza Vaseem Raza on 7 March, 2013 - 1:14 amTransmitting a Digital Signal without an Analog Carrier Signal?
Can a Digital Signal be transmitted without using a Carrier Signal (Analog)?
Posted by Mirza Vaseem Raza on 6 March, 2013 - 4:49 amIs there any difference in signal transmitted in HART and Fieldbus or not?
Is there any difference in signal transmitted in HART and Fieldbus or not?
Posted by tvlas on 6 March, 2013 - 3:28 amImplementing PID Controller with C++
Question about how a PID Controller might be implemented in C++. How to go from continuous to discrete signal in C++?
Posted by Amit Das on 6 March, 2013 - 2:22 amWoodward 505 Governor did not switch over during grid failure
during grid failure our generator automatically was not switch over to frequency control mode to load control mode - woodward 505 governor.
Posted by Shahab Ahmad on 6 March, 2013 - 1:30 amConnecting to a B&R PLC
Can we get data from B&R PLC's RS232 Port other than CAN port
Posted by Mitch S on 5 March, 2013 - 10:36 pmBristol with ifix / DPC to Controlwave conversion
Looking for someone with experience migrating from a DPC 3330 as a "data concentrator" to a Controlwave Micro with ifix and the BR3 Driver.
Posted by jim fahey on 5 March, 2013 - 9:03 pmDelta V Training material...
Looking for Delta V training materials...
Posted by Noor ul ameenulnoor on 5 March, 2013 - 1:33 pmCommunication issue between c264 rtu & ion 7550 meter
Communication loss between ion 7550 meter& c264 rtu
Posted by Irina on 5 March, 2013 - 4:36 amProblem with RYE CNC
RYE CNC 1995 Controller BOSCH CC100M Version S22C
Posted by Mihir Ramkrishna on 5 March, 2013 - 4:01 amCOMMUNICATION IN YOKOGAWA CENTUM CS DCS
Want to change from Redundant to Non Redundant communication in ACM 11 and ACM12 of Centum CS DCS
Posted by Owais on 5 March, 2013 - 2:21 amBearing Temperatures
Bearing Temperatures hunting
Posted by Ayed on 5 March, 2013 - 2:14 amhydrogen pressure vessels
We are looking what is the suitable facility to purge these vessels in order to attend the thickness measurement and relief valve calibration.
Posted by Ramesh on 4 March, 2013 - 2:25 pmLine Monitoring
Line Monitoring Needs and How it works
Posted by Justin S on 4 March, 2013 - 9:31 amUniversity courses in Canada
looking for some direction on continuing education
Posted by JoŽl van As on 4 March, 2013 - 5:59 amProview - modbus
Proview (Scada system) - Modbus (tcp)
Posted by Generator on 4 March, 2013 - 2:10 amGenerator selection
we have source of air flow app. 1000 rpm .Pl. suggest suitable single phase alternator for the same.
Posted by zenniz on 4 March, 2013 - 1:22 amModbus communication problems when using other RS485 chip
Modbus communication rs485 problem
Posted by Ahmed El-dosoky on 4 March, 2013 - 12:17 ammodbus reading not actual
Not getting real values and rapid changing Modbus reading from Allen Bradly PLC
Posted by Halo on 3 March, 2013 - 3:01 pmAdding Pyrometers to an assembly line
Incorporating Pyrometers into an assembly line
Posted by d- on 3 March, 2013 - 1:14 pmT/C extension wires
use of neutral extension wires in industrial temperature measurement
Posted by David Brown on 3 March, 2013 - 10:02 amCounter in NAIS PLC
Configuring a counter in a NAIS PLC
Posted by Jackie on 2 March, 2013 - 11:47 pmCommunication between Modicon 984-145 and CEV 300 10
Trying to establish communication between Modicon 984-145 and CEV 300 10 modbus and Ethernet bridge
Posted by Sriram Surya on 2 March, 2013 - 9:00 pmSynchronization manually
In GE 9fa machine with DLN 2.0+ during synchronization how to observe phase angle in the synchronization Screen.
Posted by Benjamin on 2 March, 2013 - 6:19 amRosemount Level transmitter Trouble
Why are my Rosemount 3100 Level transmitter readings seem wrong (Lower than expected) even when my tank level is high?
Posted by Jolini on 2 March, 2013 - 1:46 amDetection of finger movement
A type of sensor to detect the movement of each individual finger
Posted by Chrisman on 1 March, 2013 - 10:45 pmMonitoring DeepSea DSE 7310 with Citect
DSE7310 always offline at Citect
Posted by Sriram Surya on 1 March, 2013 - 4:36 pmGE 9FA gas turbine Excitation Control
why the Excitation Regulator Control is in Manual during start up to 85% speed later changing to Auto control.
Posted by nicer on 1 March, 2013 - 2:07 amStructure Programming Motor DBs
In Siemens structured programming, should I *not* make the motor DBs retentive?
Posted by Mirza Vaseem Raza on 28 February, 2013 - 11:17 pmTriple IR Flame Detector
Please somebody explain the principle of a Triple IR Flame Detector.
Posted by DEC on 28 February, 2013 - 4:41 pmSCR current draw
Calculating current draw on an SCR controlling IR heaters
Posted by Rahul on 28 February, 2013 - 1:41 pminduction generator
Operation of induction generator
Posted by ankarao on 27 February, 2013 - 11:06 pmLoose Contact in MARK V Control System
9E GT trip with all protection and shutdown alarms
Posted by vcegce on 27 February, 2013 - 3:05 pmMK5make does not compile
MK5MAKE does not recompile, 4241 errors.
Posted by Frixos on 27 February, 2013 - 1:24 pmGas Turbine humming problem
Humming of gas turbine during start up
Posted by Barry Thomas on 27 February, 2013 - 11:37 amMark V 125vdc Surge Protection
Mark V 125vdc Surge Protection
Posted by Litto on 27 February, 2013 - 3:52 amselection of valve- Ball and pluge
When do we install a plug valve and when a ball valve?
Posted by Log on 27 February, 2013 - 3:05 amIngress Protection
Posted by Rushi Shroff on 27 February, 2013 - 1:29 amRole of Industrial Drives as Control System Components
Application of drives as final control elements
Posted by Cris on 27 February, 2013 - 1:14 amISA 100.11a and IEEE 802.XY Standards
What are the main differences between the ISA 100.11a and the IEEE 802.XY standards?
Posted by Chris on 26 February, 2013 - 10:04 pmGenerator 277/480
What reading should I get with ohm meter phase to phase on output breaker with fluke 87 ohmmeter
Posted by Wayne Lee on 26 February, 2013 - 1:45 pmRequire HMI for -40C to +50C Operating Temperature
We require an HMI (touch screen computer), for extreme operating temperatures of -40 deg to +50 deg. Can anyone recommend from where to get this?
Posted by John Storr on 26 February, 2013 - 5:05 amHelp for a Design Engineering Student - spray coating forging and forming samples
Help with mechatronic design for a system for spray coating forging and forming samples.
Posted by Edwin on 26 February, 2013 - 12:40 amUsing ABB EtherCAT system's distributed clocks concept
Does ABB EtherCAT system support the distributed clocks concept (DC) for synchronization of local clocks in the EtherCAT components?
Posted by Gavin Bennett on 25 February, 2013 - 10:43 pmSiemens CP5611
Using a cp5611 profibus card with Windows 7 OS
Posted by Controman on 25 February, 2013 - 5:48 pmMeaning of DC (designated controller) in RST mark 6e
What specificity does R controller have with the DC LED?
Posted by dinster on 25 February, 2013 - 5:28 pmYokogawa Centum CS upgrade to Centum VP
Upgrading from Centum CS UNIX to Centum VP Windows environment.
Posted by dinster on 25 February, 2013 - 5:18 pmConverting Yokogawa Centum CS3000 Trending File
How to convert Centum CS3000 *.TRF trending file?
Posted by MAATALLAH on 24 February, 2013 - 1:22 pmHigh vibration BB11
High vibration BB1 in Mark V HMI turbine
Posted by Roy on 24 February, 2013 - 11:23 amservo motor repair
servomotor repair information
Posted by ESKAY on 24 February, 2013 - 4:49 amday/time setting in HMI
unable to set the date/time in HMI.
Posted by Controman on 23 February, 2013 - 6:03 pmToshiba power transformer cooling system
What's the role of the oil flow indicator?
Posted by soheil on 23 February, 2013 - 2:46 pmGE MS 6001B
differences between MS6001B MODEL 6561 & MS6001B MODEL 6581?
Posted by muntaser on 23 February, 2013 - 12:13 pmUsing flow transmitter to measure sulfur
How to connect transmitter when measuring sulfur using flow transmitter?
Posted by kLous on 23 February, 2013 - 11:24 amAs CPD increases, exhaust temperature decreases
Cooling Air flows (which comes directly from CPD), As CPD increases at the same Firing Temp. the Exhaust Temp will become slightly lower due to the increased cooling flow.
Posted by REME on 23 February, 2013 - 10:47 amGTG 1 TRIP ON PROCESSOR _C_FROZEN
Machine in ISOCH mode and communication failed on processor C
Posted by Semutsakti on 23 February, 2013 - 10:41 amMark V can't reset
Mark V can"t reset
Posted by RPS on 23 February, 2013 - 9:26 amLow Cost Low Weight Sensor
Looking for a low cost low weight sensor (0.05 - 5 Kilograms)
Posted by James Ingraham on 22 February, 2013 - 9:34 pmHigh-speed miniature actuators
Looking for a low-cost, high speed, high-duty cycle miniature linear actuator.
Posted by Cris on 22 February, 2013 - 8:58 pmFlow measurement and valve position
Where to install the flow measurement device?
Posted by Charles on 22 February, 2013 - 1:59 pmMK5 Bad EEPROM Checksum
Troubleshooting MK5 "bad eeprom checksum" alarms and <T> core A4 status.
Posted by koukos on 22 February, 2013 - 4:49 amLS2100 static starter command for 9fa
Lci startup command through software (UDH) or through hardware?
Posted by marius on 22 February, 2013 - 4:06 amModbusTCP/IP Communications
Modbus TCP/IP communication between a CJ2M Omron PLC and a F650 Relay from GE
Posted by nicer on 21 February, 2013 - 10:38 pmBinary Output Modulating Actuator
To control a Process Variable through a Binary Output Modulating Actuator
Posted by nicer on 21 February, 2013 - 10:33 pmLevel-Flow Cascade-Ratio Control
To control tank level and the ratio of its two inflow, at the same time
Posted by Jordan on 21 February, 2013 - 6:22 pmIntrinsically safe barrier required?
When are IS barriers required?
Posted by Jim Pinto on 21 February, 2013 - 6:08 pmJimPinto.com eNews - 22 February 2013
The latest Jim Pinto.com eNews - 22 February 2013 - Connections for Growth & Success
Posted by MAATALLAH on 21 February, 2013 - 1:28 pmUsing AutoCalibrate Display to View Parameters
Using AutoCalibrate display to view parameters when the turbine is running
Posted by sherif elzoghby on 21 February, 2013 - 10:22 amDWATT alarm
Alarm: DWATT is too low to support TNR-TNR lower
Posted by paein on 20 February, 2013 - 11:36 pmSynchronisation in Power plant
Posted by tossone on 20 February, 2013 - 10:57 pmHelp finding rung number in RSlogix 500
Looking for information on how to find the rung number where a program stopped
Posted by ltw on 20 February, 2013 - 9:40 pmFunction of Constants
Function of constants in MarkV
Posted by Gary Lynch on 20 February, 2013 - 3:37 pmConformance test Modbus/ASCII
Conformance test Modbus/ASCII
Posted by Bob Vandervart on 20 February, 2013 - 12:16 pmBuild a Servo Hydraulic Multi-Actuator System
Two technicians are going to build a Servo-Hydraulic Actuator System (As a hobby, this is not commercial).
Posted by Sadiya on 20 February, 2013 - 10:51 amDifference between Simple cycle and Combined Cycle
What is the difference between Simple cycle gas turbines and combined cycle gas turbines?
Posted by BrettA on 20 February, 2013 - 5:50 amDP Tx for Interface
Convince my employer that its not the right application
Posted by kwaku on 20 February, 2013 - 12:46 amCimplicity HMI Viewer Addition
Additional Cimplicity HMI viewer configuration
Posted by DigilogJoe on 19 February, 2013 - 5:41 pmppro ptur variables
Posted by has100 on 19 February, 2013 - 12:44 pmCimplicity 8.2 task
VB Scripting regarding time capturing.
Posted by Tom Bullock on 19 February, 2013 - 10:34 amRisk assessment responsibility
Who is responsible for risk?
Posted by apollo on 18 February, 2013 - 1:09 pmValidation of gas turbine performance test measurements
How do you validate gas turbine performance measurements?
"I'm not under the alkafluence of inkahol that some thinkle peep I am.
It's just the drunker I sit here the longer I get."