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Forum Archive
Different Conditions of Turbine Operation
Posted by saqi on 30 July, 2016 - 7:12 am
Can someone explain me different conditions of steam turbine operation that what exactly these are??
Frame 6b Fuel Control Problem
Posted by davidmcc on 30 July, 2016 - 3:19 am
Fuel control and combustion OK at fire but when auto selected drastic swings in liquid fuel servo and lots of white smoke
Modbus RTU Siemens and Rotork Valves
Posted by Hamid Ankouti on 30 July, 2016 - 2:44 am
i have Modbus receive error (0830) in cp341 diagnostic buffer, when i sent request for command and status to MOV Master Station (Rotork Valves)
Flame Fail Problem in SGT200 Gas Turbine
Posted by shzcity on 30 July, 2016 - 1:38 am
SGT200 Turbine Trip with flame fail message
5
replies
Supplying a Power Supply
Posted by cuckman on 28 July, 2016 - 7:55 pm
Do i need a control transformer or not?
4
replies
Low Lube Oil Bearing Header Pressure
Posted by flow on 28 July, 2016 - 6:45 am
on our GE MS5001 gas turbine, bearing header pressure about 2.1bar when auxiliary pump is running but it is 1.5bar when main lube oil pump is running.
2
replies
Windows 10 Impact
Posted by ICPDASUSA on 27 July, 2016 - 3:26 pm
Sharing WINDOWS 10 impact on Automation and SCADA systems.
Edit <I> Screens on PC without idos
Posted by waltrobinson on 27 July, 2016 - 12:01 pm
View and edit screens used on the old <I>'s running idos on my laptop, which can not run idos.
1
reply
PLC Firmware Upgrades
Posted by Denson on 27 July, 2016 - 11:54 am
Why are some PLC manufactures saying to keep the PLC power on while upgrading the firmware?
1
reply
Mark IV GE Gas Turbine Generator Reverse Power
Posted by GTENGCI on 27 July, 2016 - 11:30 am
Frame 5P Gas Turbine Generator Reverse Power due to T Computer Problem & FSRACC Computer "S" sometimes drop below FSNL FSR
2
replies
SSRS with SCADA
Posted by pouya on 27 July, 2016 - 9:15 am
Is it possible to use RDL or RDLC report files in SCADA?
Transformer Vector Group
Posted by skalpesh on 27 July, 2016 - 2:22 am
What is transformer vector group? Why is it needed?
3
replies
MARK IV Modbus
Posted by Genersi on 26 July, 2016 - 12:25 pm
Looking for some advice on how to connect to Modbus from a DOS screen
3
replies
Troubleshooting Blower Shutdown
Posted by y1yp on 26 July, 2016 - 11:04 am
I have a bank of 12 blowers that all shut down every other Tuesday morning at about 7AM. when they shut down there is no alarm and they don't need to be reset to restart. I am lost for how to continue troubleshooting.
4
replies
Closing to a Dead Bus
Posted by adexgenerator on 25 July, 2016 - 8:59 am
We have a GE frame 9E in our site that is not designed for closing to a dead bus. We want to find out the criteria needed to achieve this.
3
replies
Horizontal Pitch in a Spiral
Posted by Biky on 25 July, 2016 - 2:42 am
Need some information about the horizontal pitch in a spiral for the placement of sensors in the oil tank.
FREE AB DF1 Serial Slave Simulator
Posted by Mark on 24 July, 2016 - 10:19 pm
Today we released a FREE AB DF1 serial slave simulator.
2
replies
RTD Temperature Spikes and Erratic Readings
Posted by Ahmed Ali Khan on 24 July, 2016 - 8:37 am
Temperature Spikes observed in RTD Readings
Steam Turbine Bypass Valve Vibration
Posted by GeorgePat on 22 July, 2016 - 8:36 am
Description of a vibration problem related to a steam bypass valve
6
replies
Cold Junction Compensation in GE IC200ALG630 Thermocouple Card
Posted by Ahsan Ejaz on 22 July, 2016 - 8:11 am
Implementation of remote Cold Junction Compensation in GE Versamax IC200ALG630 Thermocouple Card.
4
replies
Alternative Way to Ground a Delta System
Posted by Barbican on 22 July, 2016 - 7:58 am
Delta system ground fault detection methods
2
replies
Vibration reading LOW on MkVI and HMI
Posted by NGdave on 22 July, 2016 - 7:46 am
Proximity Probes are reading 2-3 times lower in the MkVI and Cimplicity HMI than was is being injected during testing.
4
replies
AB PLC and Siemens PLC
Posted by tomz123 on 22 July, 2016 - 6:32 am
Similar products between AB PLC & SIEMENS PLC
1
reply
Modbus RTU RS485
Posted by Gary Wilson on 21 July, 2016 - 11:35 am
Siemens HMI to Emerson Drive via Modbus RTU Communication
1
reply
Ratio of Analog Input to Output - DCS
Posted by Jonathan Law on 21 July, 2016 - 6:59 am
Could anyone give me guidance into the ratio of Analog Input channels to Analog Output channels in an averaged sized DCS implementation.
SGT-100 or Typhoon Turbine Temperature Control Scheme
Posted by John_Fitzmaurice on 21 July, 2016 - 2:36 am
Does anyone have any information on the SGT-100 or other similar siemens turbine's temperature control scheme?
3
replies
Data Acquisition Software
Posted by Newton on 20 July, 2016 - 10:26 am
Looking for data acquisition software
2
replies
Convert Decimal to Integer
Posted by Hamid Ankouti on 20 July, 2016 - 7:49 am
How can i convert decimal type (0-100) to integer (0-32768)?
2
replies
ABB INFI90 BRC100 ROM Checksum Error..
Posted by aeiour on 20 July, 2016 - 6:09 am
How to rectify BRC 100 ROM checksum error?
Heating Steam Block Valve
Posted by judd690 on 20 July, 2016 - 2:25 am
When does the Heating steam block valve open and close on a steam turbine?
1
reply
GE Frame-9E
Posted by muz_sindhu on 20 July, 2016 - 12:11 am
Preservation of GE FRAME-9E.
Medium Voltage VFD Drives for Sugar Mills and Cement Mills
Posted by Jerrysong0001 on 19 July, 2016 - 10:29 pm
I am working on the projects about MV VFD drives for sugar mills and cement mill motor control, for energy saving and process reform.
Medium Voltage Variable Frequency Drive for Motor Frequency Control
Posted by Jerrysong0001 on 19 July, 2016 - 9:58 pm
Doing research on medium voltage Variable Frequency drive (also called as VFD, VSD, AC drive, VVVF, etc.)
1
reply
Tracing Communication Errors in a Modbus Concentrator
Posted by IggyR0ck on 19 July, 2016 - 2:49 pm
Best practice to show a communication error in a Concentrator to a Scada/HMI using Modbus
IO Scanning/Write_VAR
Posted by jing88 on 19 July, 2016 - 11:03 am
Advantage and disadvantage of Write_VAR from I/O scanning?
5
replies
Weighing Scale Load Variation
Posted by sreevinsreenivas on 19 July, 2016 - 2:48 am
Weighing scale shows 1302g without any load
Isentropic Efficiency
Posted by shahid on 18 July, 2016 - 5:26 pm
Turbine isentropic efficiency calculation if steam in/out is superheated?
2
replies
Diplacer Level Transmitter Viscosity Limit
Posted by Elmira on 18 July, 2016 - 7:52 am
Wondering about the viscosity limit for displacer level transmitters.
8
replies
IGV Does Not Reach Minimum Operating Angle After Offline Compressor Washing
Posted by se_lain on 17 July, 2016 - 11:11 am
IGV does not reach minimum operating angle after compressor cold washing and the hydraulic oil pump stops (on AUTO) while the IGV is stuck at 40 DGA. I believe it has something to do with the lube oil pressure going down.
5
replies
Capitalizing PLC Addresses
Posted by mengland1383 on 17 July, 2016 - 8:14 am
I have a dumb question about PLC addressing
4
replies
Torque Converter Filter Type
Posted by Ahmed on 17 July, 2016 - 3:25 am
Looking for information about torque converter filter properties for GE Frame 9E
1
reply
9E Trip at Shutdown
Posted by Jolek on 16 July, 2016 - 9:08 pm
After giving a STOP command turbine is when trying to transfer from PREMIX to LEAN-LEAN with FAILURE TO REIGNITE PRIMARY ZONE
6
replies
GE MS5001 Machine
Posted by VJ on 16 July, 2016 - 2:36 am
AHOP in MS5001 machines and what is the back up of MHOP?
Siemens Distributors in South Asia
Posted by DCpower on 16 July, 2016 - 1:01 am
Looking for Siemens 7KG6000-8AA/MM and 7KG6104-1SN21 distributors in Indonesia or nearby country
3
replies
Service Release 1 (SR1) Concept 2.6 XL English
Posted by Rzr on 15 July, 2016 - 10:32 am
Looking for Service Release 1 (SR1) for Concept 2.6 XL English
2
replies
Difference Between Sensor with HART and Beamex
Posted by Muhannad on 15 July, 2016 - 4:58 am
Difference between calibrating a sensor using Beamex and calibrating the same sensor using HART communicator?
8
replies
Servo Valve Current
Posted by yaseeeen on 14 July, 2016 - 3:54 pm
Servo valve current when controlling hydraulic flow in servo valve
1
reply
Button FAST on the Operator's Keyboard TDC3000
Posted by Yacine1982 on 14 July, 2016 - 6:18 am
Meaning or use of Button FAST on the Operator's Keyboard TDC3000
1
reply
Mounting IR LEL Detectors
Posted by azadkirti on 13 July, 2016 - 12:49 pm
IR base LEL detectors mounting impact.
1
reply
Safety Category
Posted by IvanJoseph on 12 July, 2016 - 9:43 pm
Difference of Safety Category 2 and 3
RS485 Fail Save Biasing
Posted by Harvard07 on 12 July, 2016 - 6:55 pm
RS485 Fail Safe Biasing Moxa IA5450A and NPort 6450
Flowmeters for Measuring Dusty Waste Gases
Posted by MaxMendez on 12 July, 2016 - 12:53 pm
Flow meters to measure Dusty waste gases in a steel mill
2
replies
DCS-Mark V Communication
Posted by fnc on 12 July, 2016 - 10:02 am
DCS to Mark V communication problems, not definite points
2
replies
Counter for Footage
Posted by river100 on 11 July, 2016 - 11:57 am
Need a count/pulse per foot
1
reply
Problem in Velocity Sensor in Gas Turbine
Posted by sanjib_dibrugarh on 11 July, 2016 - 2:54 am
Problem on Velocity sensor of Matrix 5485C.
3
replies
Power Factor
Posted by javali on 10 July, 2016 - 10:32 am
Power factor control
Testing PCS 095 Communications
Posted by JAGS on 10 July, 2016 - 6:31 am
Can someone tell me how to test the PCS 095 communications RS485 using a PC with a same port (Rs485)?
7
replies
DC Supply Problem
Posted by Ud on 8 July, 2016 - 4:20 pm
DC supply problem at power plant
1
reply
Modbus TCP bBaud Rate
Posted by chodj99 on 8 July, 2016 - 1:17 am
Question about Modbus TCP baud rate (communication speed)
1
reply
Gas Turbine Atomizing Air Filter Differential Pressure
Posted by overtemp on 7 July, 2016 - 2:37 pm
I'm trying to determine the correct alarm set point for the atomizing air filter differential pressure for a GE FA.
4
replies
Automating a Workcell Robot
Posted by oli268 on 6 July, 2016 - 12:56 pm
After our integrator failed miserably to do his job, I was tasked by my boss to integrate a Fanuc robot into our CNC line.
5-95% RH Non-condensing Hydrocarbon IR Detectors
Posted by azadkirti on 6 July, 2016 - 7:00 am
5-95%RH non-condensing IR based hydrocarbon gas detectors (LEL)
Experion ERDB Failed
Posted by royston_rm on 6 July, 2016 - 1:08 am
Experion PKS r400 ERDB in failed state
3
replies
GT Frame 5 Startup Procedure Clarification
Posted by ravivarma1910 on 5 July, 2016 - 11:44 am
Ours is Gas turbine frame-5 machine. During start-up the machine can be started in crank/fire/auto mode or directly auto mode.
4
replies
Thermal Flowmeter Reading Negative Temperature When Reading Is 64 Degrees F
Posted by tansie on 5 July, 2016 - 11:24 am
Thermal flow meter is now reading negative temperature when suppose to read 64 degree F
ESD and Safety Relay
Posted by IvanJoseph on 4 July, 2016 - 11:55 pm
Is Safety relay controlling multiple control relays advisable?
5
replies
RS485 Does Not Work if Ground Is Connected
Posted by Chinmay Harkare on 4 July, 2016 - 9:40 pm
A working system stopped working and started working again when ground wire was removed
6
replies
Density Measurement
Posted by Maj on 4 July, 2016 - 11:42 am
Alternative method of measuring density (Mathematically)
1
reply
Creating Groups/Paths in OPC (OpenOPC)
Posted by nzfarmer on 2 July, 2016 - 10:18 pm
Am trying to figure out how to create Groups and Tags in an OPC Classic server via the OpenOPC client from Barry Barnreiter.
1
reply
DP Cell Zero and Span
Posted by chillwin on 2 July, 2016 - 7:52 am
We have rosemount 3051 dp cells ranged 0 mbar to 125 mbar. I have a query about when to use zero and span.
1
reply
YOKOGAWA Generic Subsystem Gateway
Posted by Ferdowsali on 2 July, 2016 - 2:35 am
Is it possible to configure two YOKOGAWA GSGW in a redundant configuration?
9
replies
IS Barrier Use
Posted by bbsreyes on 1 July, 2016 - 11:05 pm
Are IS Barriers Required for Instrumentation Rated Class II?
3
replies
Jumpering on Load Side of Circuit Breaker
Posted by geoff on 1 July, 2016 - 7:48 pm
Does anyone jumper on the load side of a circuit breaker?
6
replies
Relays in Current Loops
Posted by gsteel on 1 July, 2016 - 10:00 am
Is it a bad idea to run a current loop through relay contacts?
2
replies
Versamax IC200CPU001 Fault
Posted by Ahsan Ejaz on 30 June, 2016 - 2:17 pm
How to reset IC200CPU001 fault
2
replies
MARK IV Controller Power Supply
Posted by Genersi on 30 June, 2016 - 10:46 am
Looking for a supplier of a MARK IV controller power supply
Klinger Gauge Glasses
Posted by ielcaasi on 30 June, 2016 - 4:02 am
Is there a way to determine genuine Klinger gauge glasses?
1
reply
Daisy Chain for SEPAM Communications Loss
Posted by jing88 on 30 June, 2016 - 3:55 am
SEPAM and ACE 969-TP daisy chain loop with power looping
1
reply
HC2-S Probe and Modbus
Posted by iman102 on 30 June, 2016 - 1:44 am
establish a Modbus communication in Rotronic probes (HC2-S)
What does PCSTOTE stand for?
Posted by Arif on 29 June, 2016 - 1:33 pm
Want to know the meaning of term PCSTOTE as used in generator core temperature monitor.
2
replies
120ac versus 24dc motor control
Posted by old _Guy on 29 June, 2016 - 8:49 am
Quick Survey of who's using 24 VDC for motor control.
Performance Controller
Posted by mandeepkumar on 29 June, 2016 - 7:05 am
Performance controller for centrifugal compressor either Woodward 505 or CCC series 3++?
HMI Errors
Posted by vinit317 on 29 June, 2016 - 6:36 am
"Unexpected system error # 75 occurred: Path/File access error"
3
replies
Ethics/Rules When it Comes to Cycling Power to Safety Modules?
Posted by runescape on 28 June, 2016 - 6:43 pm
Users are cycling power to the entire machine, to reset a faulted safety module. Can I do anything about this?
Bently Nevada 3300 Radial Vibration Problem
Posted by Amateur on 28 June, 2016 - 5:44 pm
Radial vibration read exists although machine is tripped (stop)
1
reply
Heavy Fuel Accumulator Pressure
Posted by Ahmad on 28 June, 2016 - 3:34 pm
How much the nitrogen pressure must be inside this accumulator?
Modicon Premium use EGX100 for read modbus units with READ_VAR
Posted by yahampath on 28 June, 2016 - 12:17 pm
What is the correct way of addressing with READ_VAR for TCP/IP
2
replies
Adaptive PD algorithm
Posted by Jeibros on 28 June, 2016 - 9:06 am
I would like to know which is the best method to check the stability of a PD adaptive algorithm
4
replies
Need to wire 4 heating coils
Posted by Tc29 on 28 June, 2016 - 7:59 am
I have a 3 wire 3 phase 240v... Need to wire 4 heating coils... Not sure how to proceed
How to Assign MODBUS ASCII Address ?
Posted by kingschu on 28 June, 2016 - 4:26 am
My current problem is i can't assign a device address into a chip. how should i assign the MODBUS ASCII frame into a chip for the gateway to recognize it?
3
replies
GE Frame 9e Auto Shutdown Due to SRV
Posted by AHM on 27 June, 2016 - 10:34 pm
Our GE frame 9e gas turbine experienced auto shutdown from base load because unloading was not occuring at the time of sudden fall of gas pressure rather SRV opened 99 percent and took auto shutodwn
15
replies
24vdc Control
Posted by Cdnrookie on 27 June, 2016 - 4:15 pm
Length of run
How to Recover the Password of Privilege 2 of Toolbox
Posted by DAMENE on 27 June, 2016 - 10:05 am
I need help about how to recover the toolbox password of privilege 2
2
replies
Why is a Default 0 Switch Added to PLC Logic?
Posted by AKA_knowledge23 on 26 June, 2016 - 5:04 pm
I'm analyzing programming code for a client and I noticed a switch that basically prevents the PLC from writing an input to a variable. I'm not sure why the original programmer added it there. Details are below.
7
replies
Mark VI SRV/GCV Pressure Transmitter Trouble
Posted by cheedee on 26 June, 2016 - 6:29 am
Issue with Mark VI SRV/GCV Pressure Transmitter
TSX ETZ 410
Posted by luizrod on 26 June, 2016 - 5:03 am
Configure IP address on Schneider TSX ETZ 410
2
replies
Metal Bending Machine Feed Data Calculation and Dimension Calculations
Posted by AKA_knowledge23 on 26 June, 2016 - 1:49 am
Could you please help me understand why the Feed Data variable is being reset by the PLC and justify the machine data calculations and why they aren't being used by the machine? All background information is in the message below.
2
replies
Control Valve Problem
Posted by sanjib_dibrugarh on 25 June, 2016 - 8:27 am
Control Valve Hunting Problem VHP to HP PRDS
EtherCAT Deficiency in Line Topology
Posted by iman102 on 25 June, 2016 - 8:26 am
Issue related to EtherCAT line topology configuration.When a device in the line is removed , behavior of other devices shifted one device a head.
1
reply
Effect of reducing water injection on gas turbines
Posted by Dani_p on 25 June, 2016 - 1:28 am
effect of water injection on gas turbine efficiency