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Help in Automation Process
Posted by J. Gillespie on 13 July, 2012 - 1:20 pm
I need help figuring out how the whole control system/ automation system works & also how they work together.
6
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GE's Gas Turbine Female Names
Posted by Roboto_88 on 13 July, 2012 - 7:07 am
What are the Women's names associated with GE Gas Turbines?
Replace redundant plc program with another
Posted by www.abzardaghigh.com on 13 July, 2012 - 5:27 am
Unable to download and replace program in Step 7 PLC
19
replies
Noise pick up on Generator stator winding RTD's
Posted by Liam Heslop on 12 July, 2012 - 11:50 pm
Has anyone experienced noise pick up on an RTD sensor? The sensor application is for measuring the winding temperatures of a generator stator.
120 remax grounded wire next to 22amg 300 v wire
Posted by derrik on 12 July, 2012 - 2:20 pm
need help with running wires close to one another
2
replies
Batteries
Posted by vinu on 12 July, 2012 - 10:24 am
Reg. Battery life & capacity
1
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GE's Controls Webinar
Posted by John Emery on 12 July, 2012 - 8:11 am
Announcement of GEs 2nd Webinar on Mark V Migrations.
2
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DCS Control bus network
Posted by Mohamed on 12 July, 2012 - 6:36 am
Probability of Redundant ring network for DCS systems to be explored in view of chances control failure if go with Tree/Mesh/star topology.
Mark vi Trip History collection
Posted by uj on 12 July, 2012 - 5:18 am
I want to add new signal TNR in trip history collection.
Using Synthetic mica tape in cable insulation?
Posted by smart room on 12 July, 2012 - 1:11 am
Can Synthetic mica tape be used for A class cable insulation?
1
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Coriolis Meters
Posted by Angelo Polanco on 11 July, 2012 - 2:49 pm
Water cut uncertainty with coriolis meter
3
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AC450 ModBus Communication
Posted by RAFAEL LEON on 11 July, 2012 - 2:47 pm
Communication ModBus AC450 with Rockwell PLC. The Configuration MS DB element not send the parameters to CI532 DB element.
2
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PLC Data Collection
Posted by charz on 11 July, 2012 - 12:12 pm
In need of Information regarding Plc data collection.
Centrifugal Gas compressor performance Logic
Posted by Ahmed on 11 July, 2012 - 2:43 am
Centrifugal gas compressor performance logic built
Data log by memory card used in touch panel could be read by card readers ?
Posted by hans on 10 July, 2012 - 9:18 pm
Could the Data log by memory card used in touch panel be read by card readers?
7
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High enclosure temperature of Gas Turbine LM2500
Posted by Gas industries on 10 July, 2012 - 9:18 am
We have two gas process compressors driven by Gas Turbine GE LM2500, one the units got problem with Enclosure high temperature which limit loading the compressor, this issue impact with summer & ambient increase temperature
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survival conversion of worst case scenario motor to generator
Posted by Dan on 9 July, 2012 - 1:08 pm
Apocalypse preparedness
2
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Cost Estimating for PLC's
Posted by Maureen on 9 July, 2012 - 12:57 pm
How do you estimate a PLC from 30% design
Connecting Siemens Circuit Breakers using Modbus
Posted by Anoop Kumar K on 9 July, 2012 - 11:26 am
How to interconnect Siemens Air Circuit Breakers and Siemens MCCB with modbus communication
7
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"Big" Coriolis flow meter
Posted by Kirill St. on 9 July, 2012 - 6:26 am
Why I cant find large Coriolis flow meter?
HIMA PLC error messages
Posted by vahid on 9 July, 2012 - 4:18 am
Problem with ELOP II Ver. 3.5 of HIMA PLC
1
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RTD temperature measurement
Posted by Kirill St. on 9 July, 2012 - 3:14 am
connection of RTD chip to tube.
1
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Explanation of Digital Valve Controller
Posted by Andy Robinson on 8 July, 2012 - 5:52 pm
Does anybody know about DVC (Digital Valve controller)?
1
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Exhaust over temperature
Posted by Soheil on 8 July, 2012 - 1:21 pm
GE MS 5002D WITH MARK VI CONTROLLER ONCE TRIP DUE TO EXHAUST OVER TEMPERATURE DURING START UP AT 31% OF HP SPEED!
1
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troubleshooting and fault finding of AC servo motor winding
Posted by Siva kumar on 7 July, 2012 - 10:49 pm
suggestion regarding fault finding in Mitsubishi AC servo motor
Efficiency of high pressure boiler feed pump
Posted by Rokan Uddin on 7 July, 2012 - 10:34 am
How to calculate the efficiency of High pressure boiler feed pump with several discharges like IP discharge, HP discharge, Min flow & leak off flow?
3
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Transformer winding orientation
Posted by Rokan Uddin on 7 July, 2012 - 10:27 am
Transformer winding orientation
2
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MMSCMD dilemma.....
Posted by nikhilkapoor_vit on 7 July, 2012 - 6:23 am
What is the full form of MMSCMD?
Interlock in P&IDs.
Posted by Andy on 7 July, 2012 - 4:08 am
What does INTERLOCK (I-40001)-FOR EXAMPLE, give information to one, as shown in P&ID??
2002 and 2003 Logic
Posted by Andy on 7 July, 2012 - 3:37 am
What is 2002 & 2003 logic? and how it is implemented? under what conditions they are required??
4
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Thermocouples.
Posted by a s reddy on 7 July, 2012 - 2:41 am
extension leads of Thermocouples.
1
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Fire detection suppression system
Posted by a s reddy on 7 July, 2012 - 2:29 am
plc based CO2 Flooding system based on addressable Smoke/Fire and Break glass
2
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basic generator queries
Posted by max on 6 July, 2012 - 3:22 pm
basic queries about generator
how to select siemens compressor type
Posted by oil gas on 6 July, 2012 - 7:08 am
Criteria for Siemens compressor selection
9
replies
control loop evaluation
Posted by engineer on 6 July, 2012 - 3:22 am
Criteria to evaluate control loop performance
1
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Fast load rating of a 9FA machine
Posted by durga adabala on 6 July, 2012 - 1:37 am
Fast load rating of 9FA gas turbine machine as is 64 MEC/SEC. what does the unit MEC stand for?
2
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Orifice type of differential pressure flow transmitter
Posted by Rahul on 5 July, 2012 - 12:11 pm
How to convert linear mA into square root mA at plc calculation and significance of K factor of orifice
OverFuel DP
Posted by Arnold on 5 July, 2012 - 9:41 am
SW501F GT Overfuel DP calculation
12
replies
Fieldbus adapter
Posted by Toman on 5 July, 2012 - 5:00 am
Profibaus-Adapter for ABB AF100
1
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Part placement control scheme using CLX
Posted by Terry Whitworth on 4 July, 2012 - 11:43 pm
Trying to control roll movement on a one section conveyor. Roll sizes are know and converted to millsec according to conveyor.
2
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Pt 100 on ABB Swirl Meter
Posted by Inch man on 4 July, 2012 - 5:09 pm
Applying correction to Pt 100
ControlLogix Controller Status and Experion PKS
Posted by yogie on 4 July, 2012 - 12:04 pm
ControlLogix Controller Status and Experion PKS
2
replies
Functionality Of Pumps/Valves in Process Industry
Posted by Rushi Shroff on 4 July, 2012 - 8:58 am
Types of Pumps/Pump drives and Pump safety relays and accessories
1
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RS485 shield termination
Posted by jake on 4 July, 2012 - 6:41 am
What is the proper method in how to terminate the shield cable of an rs 485 cable?
Alarm Segregation ABB AC 800F
Posted by srh on 4 July, 2012 - 2:37 am
Alarm segregation in ABB AC800F
emergency shut off control valve in gas power plant
Posted by pradip on 4 July, 2012 - 2:28 am
Siemens 94.3a gas turbine
2
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HART 7
Posted by Sandeep on 4 July, 2012 - 1:05 am
What are the HART 7 Input and Output devices available in the market?
5
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synchronization with grid in island mode
Posted by shakarami on 3 July, 2012 - 5:03 pm
synchronization with grid when the turbine is in island mode and isochronous mode is selected?
2
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Mark Vie TTSA
Posted by Hal Armour on 3 July, 2012 - 12:03 pm
Mark vie Trip servo interface
Visual Basic USB port using PIC
Posted by Chip on 3 July, 2012 - 9:28 am
Guys could you please help me send data to my PC from a PIC 18f4550 through USB.
11
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Coriolis density measurement
Posted by Kirill St. on 3 July, 2012 - 8:53 am
Student project in coriolis density measurement.
Material Balance
Posted by Andy on 3 July, 2012 - 5:05 am
I want to know how overall mass balance is to be done in industry.
4
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Maintenance Manager turns Controls Engineer?
Posted by SpartanMarine on 2 July, 2012 - 8:19 pm
I was wondering if anyone can help me become a Controls Engineer in 90 days or less?
Simulnk, How to control the pulses of stepper motor
Posted by Shayan on 2 July, 2012 - 4:18 pm
How to control the pulses of stepper motor
1
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Condensate pot issues
Posted by Mike Malizia on 2 July, 2012 - 12:28 pm
Sensing lines for D/P flow transmitter have to be blown down each time the the steamline comes up.
1
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7FH2 Generator
Posted by Jason Hampton on 2 July, 2012 - 9:51 am
7FH2 Generator Balancing
1
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Configuring TM2AMI2HT module as 4-20ma analog current
Posted by kathirvelan on 2 July, 2012 - 7:36 am
How do i configure the "TM2AMI2HT" module as "4-20ma" analog current input mode through modscan software and check its working?
3
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MODBUS Diagnostics query
Posted by Nicholas Vassallo on 2 July, 2012 - 7:07 am
query on modbus diagnostics
2
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Equalizing Ground Fault
Posted by Shaheed on 2 July, 2012 - 6:46 am
How can we equalize the ground fault in ground fault current with open delta voltage.
5
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Wago MBT.dll problem
Posted by M.Schmid on 2 July, 2012 - 6:44 am
Problem with MBT.dll, alternative???
3
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New beginning to Modbus
Posted by arvind vyas on 2 July, 2012 - 2:09 am
Experiment with modbus RTU on RS232
AC Induction Motors - most useful speed range?
Posted by AlCan on 2 July, 2012 - 12:30 am
What is the typical useful / useable speed range of an average AC Induction Motor driven by a Variable Speed Drive?
TSX 17 Micro- PLC
Posted by Mr. Kord on 1 July, 2012 - 2:23 am
Need help with TSX 17 Micro- PLC Telemecanique and also TSX T317 Terminal
Modbus RTU implementation in VB.net
Posted by Dave Mccallistor on 30 June, 2012 - 1:36 pm
Modbus RTU implementation in VB.net
2
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Magnetic speed pickup
Posted by Ayman on 29 June, 2012 - 1:48 pm
Magnetic Speed Pickup Software Configuration
4
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gas turbine vibration after overhaul
Posted by RAJA on 29 June, 2012 - 11:21 am
balancing of rotor after overhauling
2
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Position Control
Posted by Jared on 28 June, 2012 - 9:15 pm
How to determine speed command from position error?
2
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Factors Influencing gas Turbine Performance
Posted by Dele on 28 June, 2012 - 3:22 pm
Factors affecting Net dependable capacity (i.e MW output) of gas turbine that must be corrected for in capacity test.
3
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What application and equipment are most common to use LVDT sensor
Posted by Jessica on 28 June, 2012 - 10:51 am
LVDTs are used in a wide variety of applications, do you think which application are most common of using LVDT sensors?
3
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message frame to read digital input status using Modicon OTB1SODM9LP module
Posted by kathirvelan on 28 June, 2012 - 7:28 am
We wanted to read the digital input status connected to the OTB1SODM9LP module through modbus RTU.
6
replies
Mark-VI DCOM error
Posted by srh on 28 June, 2012 - 3:18 am
Mark-VI Station freezing up
6
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Heavy Duty GTs control valves
Posted by E.G. Esparza on 27 June, 2012 - 3:52 pm
OEM for Siemens GT gas control valves
2
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Help with Button Control on HMI Using FactoryTalk
Posted by Michael O. on 27 June, 2012 - 12:29 pm
Need to make a Goto Display button in FactoryTalk View Studio that is also part of an Interlocking Button group. I am using graphic (jpg) buttons, not the standard rectangle buttons in FV. Can I program around this? Can XML fix this?
7
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New Fire Extinguishers Use Water on Electrical Fires
Posted by Gerald Beaudoin on 27 June, 2012 - 8:29 am
the latest generation of fire extinguishers employ a mist of distilled water. To what voltage would this be safe as we have a lot of 600VAC equipment?
All about Sensors - International Frequency Sensor Association Newsletter
Posted by syurish on 27 June, 2012 - 8:07 am
The latest issue of IFSA Newsletter is available on-line.
4
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Some career advice please
Posted by Jano on 27 June, 2012 - 6:12 am
Looking to move into control systems/scada. Need some advice...
2
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Adding new analog input to GE Mark IV.
Posted by Hassan on 27 June, 2012 - 1:07 am
How to add new analog input to GE Mark IV control system.
1
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Level Swtich for material bins
Posted by paru on 27 June, 2012 - 12:32 am
Minimum level switch for bulk materail bins
Problem SOE in INFI90
Posted by Thanhsonbaria on 26 June, 2012 - 8:48 pm
Problem SOE offline in Bailey INFI90
RS232 Switching by PLC Output
Posted by Benoit on 26 June, 2012 - 10:03 am
Search for an RS-232 switching device controlled by electric signal (PLC Output)
3
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tcd1 contact input failure
Posted by bil07 on 26 June, 2012 - 8:14 am
tcd1 contact input failure in markv
concept of turbine critical speed and factors on which it depends during operation
Posted by kishore on 26 June, 2012 - 2:59 am
how many critical speeds a machine can have? What is the relation between critical speed of a shaft and the eccentricity of the shaft
1
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Normal m3 or Standard m3
Posted by Shahid on 26 June, 2012 - 2:59 am
Flow meter calculation
3
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GT tripping on lightning
Posted by Manoj Gupta on 26 June, 2012 - 12:57 am
Recently we faced tripping on Frame-6 GTs with Mark V/VI control system machine during lightning. Interested to know the means to avoid damage to the cards and tripping of machine.
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Timer For Cimplicty HMI
Posted by Dave D on 25 June, 2012 - 6:13 pm
I am trying to make a timer count down based on a boolean change. The timer is not in the Mark5 so I will need to generate one in cimplicity.
3
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purge valve caused combustor burning
Posted by HANYWEPCO on 25 June, 2012 - 3:37 pm
1- How operator can know while turbine is running that the purge valve PL-20 has problem?? 2- Is this logic not to have protection trip on high s
9
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Modbus ASCII - Probability of LRC Errors Going Undetected
Posted by Ted Bunnell on 25 June, 2012 - 12:53 pm
What is the probability that a Modbus ASCII message using LRC error checking will be processed even thought bits in the message are mixed up?
4
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PT secondary voltage electrical power system
Posted by mahesh on 25 June, 2012 - 6:18 am
PT secondary voltage malfunctioning
Connecting Profibus to S7-300 Siemens
Posted by Jay on 25 June, 2012 - 2:05 am
Facing problems with communicating between wincc flexible 2008sp2 with s7-300 cpu 3132c-2dp
15
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Hydraulic Ratchet problem
Posted by Ayman on 24 June, 2012 - 2:24 pm
Hydraulic ratchet didn't work properly from time to time
2
replies
Modbus numbers seem to low
Posted by Josh on 24 June, 2012 - 1:05 pm
Modbus questions
2
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Proximitor problem in Bearing-3 of 9E machine
Posted by prasath on 24 June, 2012 - 11:37 am
Proximitor problem in bearing-3 of 9E machine because of high temperature. Frequent failure is happening.
6
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Atomizing Air Compressor Failure
Posted by John Mantonya on 24 June, 2012 - 8:48 am
3 Atomizing Air Compressor Failures in 3 Months - Same Unit
MBLOGIC: MBclient accesing to several Modbus TCP Servers
Posted by Mario on 24 June, 2012 - 8:18 am
How to link HMIServer to several Field Modbus TCP servers
12
replies
Generator frequency
Posted by Marius Jantea on 24 June, 2012 - 6:18 am
What happens when the sleeping frequency of a generator increases?
Some advice for a newbie looking to enter the oil & gas or mining industries
Posted by Jano on 24 June, 2012 - 5:30 am
Some advice please for someone looking at entering the oil & gas or mining industry
4
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Implementing Time Synchronisation between DCS and PLCs
Posted by Sushanta Saha on 24 June, 2012 - 4:03 am
Time synchronisation between DCS, PLC and all subsystems.
1
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Conversting a Matlab M- file to c
Posted by NA on 23 June, 2012 - 1:25 pm
Need to convert M-file to c and don't know how to convert
17
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Alarm: Trip mult. activ. too long or too often
Posted by Ayman on 23 June, 2012 - 12:15 pm
What is the cause of the Alarm Trip mult. activ. too long or too often?
8
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Selection of Instruments in petrochemical industry
Posted by Andy on 23 June, 2012 - 5:27 am
How selection/type of instrument takes place during engineering?