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Forum Archive
Matrix SSR/triac Switching
Posted by queenidog on 6 April, 2018 - 1:47 pm
Leakage in SSR matrix. How to fix?
Unable to Place ABB Bailey BRC410 in Excute Mode
Posted by briq on 6 April, 2018 - 10:37 am
ABB Bailey BRC410 can not put in excute mode
5
replies
Modbus RTU Message in TCP Packet?
Posted by Lagan74 on 6 April, 2018 - 9:15 am
Possibility to wrap a Modbus RTU Message in a TCP packet.
3
replies
Modbus for PID Loop Process Variable
Posted by birdcontrol on 4 April, 2018 - 6:35 pm
Possible downsides of bringing process variable (flow rate) into a pid loop via Modbus rather than direct connection.
5
replies
IGV Modulation
Posted by Rotimi88 on 4 April, 2018 - 12:27 pm
IGV modulation as a function of CTIM
HTTP POST communication to Siemens or Schneider PLC
Posted by bentoh on 4 April, 2018 - 10:10 am
Is it possible that a client application (software camera) send http post with JSON or XML format to a Siemens or Schneider CPU?
6
replies
GE Torque Converter
Posted by gadouche on 4 April, 2018 - 9:37 am
Torque converter vibrating, we have GE 5001P gas turbine unit and have excessive torque converter vibration.
Prosafe-RS Unlock
Posted by saiab on 4 April, 2018 - 9:36 am
Unlock in Prosafe-RS
Cross Referencing Function Calls
Posted by Karthik on 3 April, 2018 - 10:04 am
Cross referencing function calls between a Citech SCADA project and Wonderware Intouch
1
reply
Visual Basic Code for Serial Communication
Posted by HASBALLAH on 3 April, 2018 - 8:20 am
Want to transmit data from serial communication protocol to VB.6
2
replies
DCS to PLC Communication
Posted by Gokul on 3 April, 2018 - 3:28 am
Communication between Honeywell DCS and Modicon PLC
13
replies
Single Core Drop During Gas Valve Manual Movement
Posted by JMarkV on 2 April, 2018 - 1:40 pm
While attempting to manually move gas valves on a Mark V controlled 7EA Combustion Turbine a single core drops out registering a speed increased more than 5%. Problem happens intermittently, cause unknown.
GE 6FA , SFC Watchdog Fault.
Posted by shahiideee on 2 April, 2018 - 6:05 am
GE 6FA machine SFC watchdog fault during offline water wash
cPCI 3840 - Alspa p320 Alstom
Posted by TonyBorntoKill on 1 April, 2018 - 2:22 pm
Replacing a diccontinued cPCI (adlink 3840)
4
replies
Field Switch Not Closing Occassionally
Posted by davidmcc on 1 April, 2018 - 6:30 am
Field switch not coming on and machine sits at synchronous speed with no volts.
1
reply
Ribbon Mark V
Posted by Badrul Hisham on 31 March, 2018 - 11:04 pm
Looking for Mark V GE cables
1
reply
Effect of Fuel Gas Temperature for Gas Turbine
Posted by rd on 31 March, 2018 - 7:48 am
Effect of Fuel gas temperature for Gas turbine (GE make)
6
replies
IGV Angles
Posted by kmn000 on 28 March, 2018 - 10:15 pm
why are IGV degree angles are limited to 34-86dgA range?
GT13E2 FSR (Front Stage Ratio) Concept
Posted by averger on 28 March, 2018 - 6:55 pm
Request of support to understand how FSR works.
1
reply
Vijeo Citect History files
Posted by charz on 28 March, 2018 - 3:39 pm
Questions about Vijeo Citect History Files
Black-balled By GE and Affiliates
Posted by Contender on 28 March, 2018 - 2:44 pm
Can one work in the US power industry after being black-balled?
2
replies
Air-Cooling Unit Outlet Temperature Control
Posted by Aleksei on 28 March, 2018 - 1:43 pm
Distillation column has air-cooling unit outlet temperature control problem.
Citect v8.0 SCADA
Posted by asi27 on 28 March, 2018 - 6:35 am
Analog Alarms Configration
4
replies
1794-IF4I Connection with 2 Wires Transmitter
Posted by kareem_405 on 28 March, 2018 - 6:10 am
Using 1794-IF4I to read and power up analyzer transmitter, but cannot get the analyzer to power up.
Polarity of HART 275 Communicator Charger
Posted by MARKlaneV on 27 March, 2018 - 3:35 pm
Polarity of charger for HART 275 Communicator
2
replies
Position Of RS485 Modbus Master
Posted by Shahien on 27 March, 2018 - 7:09 am
Placing a Modbus Master inbetween modbus slaves not at beginning or end of a network
4
replies
Developing SOP for I&C Team
Posted by Igvmax on 26 March, 2018 - 8:12 pm
I am mandated to develop standard of procedure for the instrumentation and control department.
2
replies
Modbus Control for Digital Dial Gauge Data Logger
Posted by brilliant_idea on 26 March, 2018 - 12:13 am
Have an 8-channel Modbus data logger for reading 8 digital dial gauges from China and need some assistance with its Modbus communication.
1
reply
MOOG IGV Actuator Repair
Posted by Mtanveer on 25 March, 2018 - 5:27 am
Looking for Moog actuator repair kit
Multi-gen Plant Cyclic Failure
Posted by lbwhotrod2773 on 24 March, 2018 - 3:50 pm
Power plant opens all generator breakers approximately every 49.702 days.
2
replies
Modbus TCP over WiFi
Posted by mike_25 on 24 March, 2018 - 7:25 am
Wireless connection of modes slave to industrial router and SCADA system.
11
replies
Exhaust Thermocouples Flagging Red and Yellow
Posted by dannys on 24 March, 2018 - 4:21 am
Exhaust Thermocouples show red and yellow when operating on base load.
Mitsubishi Fx3U/2N Questions and Need Some Help
Posted by GregR on 22 March, 2018 - 10:12 am
Trying to get the Mitsubishi FX3U to communicate with the FX2n
5
replies
Modbus TCP Communication Issue
Posted by mufeedhmanzoor on 22 March, 2018 - 8:51 am
Help on establishing Modbus TCP connectivity
Gefran 800 Controller Error
Posted by vinhpham on 22 March, 2018 - 5:32 am
Gefran 800 Controller does not display the installed temperature and is not connected to the temperature tunnel
14
replies
Dirty Flame Scanner Lens
Posted by udidosa on 22 March, 2018 - 5:00 am
Contaminants are accumulating on the lens of the flame scanner on the coal-fired burner even with purge air being sourced from the core air fan
4
replies
Panel-mount Volt/Amp Meter Sourcing
Posted by Sam S. on 21 March, 2018 - 5:30 pm
Can't find appropriate volt/amp meters for high voltage applications. What are my options?
3
replies
TCEA 4 Relay Circuit FDBK Alarm
Posted by Powerisland on 21 March, 2018 - 1:37 pm
TCEA 4 Relay circuit FDBK (external Trip) Alarm persisting
1
reply
Modbus Network
Posted by EhsanGh on 21 March, 2018 - 8:11 am
Make a network with Modbus slave
Project on Sugar Industry Modeling
Posted by karim_ashraf on 20 March, 2018 - 3:58 pm
Graduation project about DCS application on sugar industry mainly extraction plant for beet sugar
1
reply
EPKS Alarm and Event
Posted by Honeywell on 20 March, 2018 - 2:00 pm
Where in EPKS does the Alarm and Events gets saved.
ABB TCWIN SOFTWARE
Posted by mikemcdanielsyahoo on 20 March, 2018 - 11:56 am
Looking for old ABB TCWIN Software for the TC50 display?
3
replies
Honeywell TDC 2000 Parts
Posted by Ameen on 20 March, 2018 - 7:00 am
Looking for a power supply for TDC 2000 Honeywell
5
replies
PLC Outputs - 2oo3
Posted by birdcontrol on 20 March, 2018 - 5:49 am
Looking for assistance with 2oo3 relay circuit.
Impedance Per Phase
Posted by f13tun on 19 March, 2018 - 9:17 am
Short circuit current knowing the impedance per phase
Modbus - Problem when read data from Schneider PM1200 by Arduino MEGA 2560
Posted by tonyStark1601 on 18 March, 2018 - 11:38 pm
Modbus program to get data from Schneider PM1200 by Arduino MEGA 2560. Arduino is Master, device is slave. Program gives error message "Time out."
3
replies
Anyone Heard of Piecal Calibrators?
Posted by Rora on 17 March, 2018 - 1:43 pm
Quality of Piecal brand handheld calibrators
4
replies
Wire Multiple Modbus Sensors
Posted by hand10 on 17 March, 2018 - 10:06 am
Want to wire three sensors (4 wire, RS485) and use Modbus RTU communication.
4
replies
Is your plant controlled by Russia? Are you sure?
Posted by KenCrater on 16 March, 2018 - 12:39 pm
The US Dept of Homeland Security just issued a report that there has been an ongoing, successful cyberattack on US utility plants from Russia.
1
reply
Governor droop setting
Posted by dungdqr on 16 March, 2018 - 5:27 am
Governor droop setting of steam turbine generator
1
reply
New Valve Feedback Signal Woes
Posted by Wtpguy_Bill on 15 March, 2018 - 11:47 pm
Replaced a Jordan MV-1020 with an RCV SEVA-200. Feedback 4-20 gives constant 100% open indication at HMI regardless of valve position.
1
reply
TWIDO Connection To PC
Posted by NaderZ on 15 March, 2018 - 5:09 am
Collecting the input state of the PLC and send it through the port 1 to a PC
1
reply
Partially Screened Motor Cable
Posted by Moly on 14 March, 2018 - 8:51 pm
Partially screening motor cable from VSD
1
reply
Leuze MSI430 Safety PLC
Posted by nar0909 on 14 March, 2018 - 6:50 pm
Writing to registers of a MSI430 safety PLC from Leuze Electronic using a HMI as a master via Modbus TCP
Integrating Schneider EVO System with Honeywell TPS
Posted by govoniepc on 14 March, 2018 - 12:13 pm
Fully integrate Schneider EVO system with honeywell TPS
Replacing Backplane from Micronetics International
Posted by Jiseon.Moon on 13 March, 2018 - 10:02 pm
My plant has been using a backplane from Micronetics International Inc and we need to replace it.
12
replies
GE Frame 9E Turning Mode Maximum Hours
Posted by iffi008 on 13 March, 2018 - 4:04 pm
Turning gear maximum hours, is it normal to put one stand-by turbine on continous turning lasting for10 days?
6
replies
Excitation Question, Diesel Generator
Posted by capercanuckmarine on 13 March, 2018 - 9:17 am
Over excitation issue?
2
replies
Zener Clipping Circuits
Posted by Tryist on 13 March, 2018 - 6:56 am
Need to understand how the negative half of a zener diode clipping circuit is clipped at the cathode end of the zener.
4
replies
A Different Counter Question
Posted by MARKlaneV on 12 March, 2018 - 3:21 pm
Editing of MarkV counters
3
replies
Need Help - Change sensor to accurately detect box jams
Posted by MaintDude on 10 March, 2018 - 8:40 pm
Looking to use a different sensor to detect jams. On a conveyor belt, when boxes are pushed together and there is no gap between them it thinks there's a jam even when the boxes are moving past.
3
replies
Lithography Machine w/Industrial Barebone PC
Posted by ishafiqi on 10 March, 2018 - 12:20 pm
Need advice on running/visualizing files from a lithography machine that has a PC with DOS/proprietary software.
Gap Voltage for Axial Displacement and Zero Position
Posted by Aptx4869 on 10 March, 2018 - 11:32 am
correlation between gap voltage and zero position in software. 7FA Mark VI
Grey-box System ID for a Set of DAEs
Posted by krishna84 on 9 March, 2018 - 2:35 pm
What is the best approach to system identification in this situation.
2
replies
Flow Transmitter Calibration (Micro Motion EMERSON)
Posted by steve40 on 9 March, 2018 - 5:11 am
How to calibrate an micro motion flow transmitter 2700R using display buttons.
4
replies
Shield Terminal and Wire Color
Posted by bhushanj on 9 March, 2018 - 4:11 am
What color wire and terminals we should use for cable shielding termination?
13
replies
PLC Communication
Posted by EhsanGh on 9 March, 2018 - 3:20 am
Monitoring electrical distribution system with PLC with communication module.
2
replies
How to Compare Two Triconex PT2 Files
Posted by Defrenda on 9 March, 2018 - 3:07 am
Looking for software to compare two versions of the triconex application
3
replies
Possible Topics for Instrumentation Thesis
Posted by Bodjackk on 8 March, 2018 - 9:00 pm
Having trouble with the initial stage of thesis thinking about what project will be effective
1
reply
Natural Gas Auto Ignition Temperature
Posted by nayansharif on 8 March, 2018 - 5:40 am
Can anyone help me with calculating auto ignition temperature of natural gas?
CAP ISA Automation Associate Program
Posted by midhun on 8 March, 2018 - 3:15 am
Engineering graduate in instrumentation and control. After my graduation I was working in a different field. Does ISA CAP associate program help my career?
Querying a Modbus Slave with an Arduino
Posted by Feyu on 7 March, 2018 - 2:26 am
Having trouble trying to query a Modbus slave with an Arduino through RS485
2
replies
Elektronikon Display Trip
Posted by ramjoy on 6 March, 2018 - 6:06 pm
Elektronikon display shutdown after parts change on the control panel.
1
reply
MARK V Remote Operation
Posted by vijay on 5 March, 2018 - 7:55 am
MARK V communication- operating interface remote connectivity
5
replies
Why Greater Than 30% Air Flow During Light Up
Posted by phani on 4 March, 2018 - 2:09 am
Why greater than 30% only?
1
reply
Actuator Action Control in Control Valve Engineering
Posted by Rushi Shroff on 4 March, 2018 - 12:58 am
Control Valve Engineering
Online Insulation Monitoring
Posted by shd on 3 March, 2018 - 8:19 am
Calculation required to design core balance or zero sequence current transformer for online insulation monitoring.
17
replies
MarkV Timers and Counters Inaccurate
Posted by SMS on 3 March, 2018 - 2:31 am
Mark V timers and counters inaccurate counting after switching off and ON of <R>, <S> and <T>
1
reply
Loop-powered vs. 2-Wire Device
Posted by hassankh on 2 March, 2018 - 10:57 am
Want to understand if there is any difference between 2-wire and loop-powered device.
2
replies
High Shaft Voltage on 9FA
Posted by omi162 on 2 March, 2018 - 2:59 am
2 GE 9FA Gas turbines with MarkVIe and suddenly both are giving high shaft voltage Alarm.
1
reply
Setting Thrust Position on Bently 3300
Posted by DbyC on 1 March, 2018 - 12:20 pm
Trying to figure out how to adjust the zero settings on the 3300/20 card.
2
replies
Semigraphic Ladder Symbols
Posted by Shreeshail Joshi on 1 March, 2018 - 6:45 am
Ladder logic which is in Semigraphic form and symbol library
2
replies
Hyper Terminal Configuration for UCSBH3A
Posted by Suraj on 28 February, 2018 - 4:32 pm
UCSBH3A communication through hyper terminal.
11
replies
Effect of Compressor on Orifice Flow Measurement
Posted by gtengineer on 28 February, 2018 - 12:42 pm
Effect of Screw Compressor on the upstream Orifice Flow Measurement.
1
reply
Modbus newbie: Sending Data Over Modbus from Linux
Posted by datalit on 28 February, 2018 - 5:55 am
how to send to a SCADA data read from SMS over Modbus from Linux
2
replies
Replacing Position Switch
Posted by MaxTempo on 28 February, 2018 - 4:02 am
Searching for a proper replacement for a builtin position switch
1
reply
Persistent Mark VIe Alarm
Posted by anand123 on 27 February, 2018 - 12:57 am
Trying to resolve persistent alarm persist in Mark VIe
3
replies
Fuel Gas Flow Measurement
Posted by ali_alshaibani_iq on 27 February, 2018 - 12:49 am
Reading difference between two Frame 9E GT. Want to test and calibrate flow transmitter.
2
replies
Mark V HMI Fail Change PC to Dell gx110
Posted by Emad on 26 February, 2018 - 3:21 pm
Mark V HMI failed after changing PC to Dell gx110
1
reply
SIL3 Design
Posted by tharunsreedharan on 26 February, 2018 - 7:41 am
SIL3 instrument and wiring to PLC
6
replies
Changing the Fuel in GTG GE Frame 9E
Posted by m.abdi on 26 February, 2018 - 2:30 am
Changing the fuel from gas to gas-oil
Gas Turbine Regenerator
Posted by Ayed on 26 February, 2018 - 1:19 am
Looking for support calculation of how we can calculate the required exhaust flow of flue gas to raise the compressor exist temp prior enter to the combustion.
6
replies
Active vs. Passive Signal
Posted by hassankh on 25 February, 2018 - 1:47 pm
Exact difference between active and passive signal
2
replies
Pressure Trnasmitter Installation in Liquid Service
Posted by gerry on 25 February, 2018 - 1:16 am
Elevation of pressure transmitter in liquid service
6
replies
Inventory of Control Instruments
Posted by TylerDurden on 24 February, 2018 - 10:57 am
Want to make an inventory of all measurement instruments and actuators at my plant. Need your advice
1
reply
Unit Shows "Manual Shutdown" on FSNL and Load Less Than 1MW
Posted by og2018 on 23 February, 2018 - 4:42 am
Unit shows "manual shutdown" when on FSNL and load less than 1MW when not on grid. Does not happen when loaded fully or with 5MW and on grid.
1
reply
Transmiting Real Time Data to PLC and PC
Posted by Jayant on 23 February, 2018 - 1:11 am
Require to transmit realtime Torque sensor values to PLC and PC
6
replies
Keep Rebooting PLC
Posted by Elyamine on 22 February, 2018 - 5:38 am
Operators keep rebooting PLC (Siemens Gas Compressor) to make alarms disappear
Modbus Master+Slave Routine in C
Posted by KD_Embed on 22 February, 2018 - 3:51 am
Need pointers to C routines for some Modbus protocols.
2
replies
GT Combustion Control
Posted by ahmedbel on 21 February, 2018 - 5:50 pm
Experience GE Mark VI as a smarter controler of GT combustion