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3
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Calibration Range in DP Transmitters
Posted by vbalaji892 on 12 September, 2016 - 12:07 am
Using a Differential Pressure transmitter outside its calibrated range.
3
replies
Cause of communication failure in modicon quantum PLC system
Posted by mausahwrtsila on 11 September, 2016 - 7:13 am
Frequent communication failure in Modicon Quantum PLC system
4
replies
Fire fighting pump motor running after a power surge
Posted by mausahwrtsila on 11 September, 2016 - 7:07 am
Fire fighting pump motor running after a power surge
Vijeo Citect Client
Posted by Taaal on 10 September, 2016 - 3:45 pm
Vijeo Citect 7.1 SCADA and Schneider Unity Pro PLC question...
7
replies
IGV angle and pulsation protection control
Posted by Isulamu on 10 September, 2016 - 1:06 pm
How do IGVs protect from compressor rotating stall?
7
replies
1000 kw generator hunting under load after 20-30 min
Posted by tonyrmz on 9 September, 2016 - 11:18 pm
1000 kw generator hunting under load after 20-30 min. with 3 other generators online.
3
replies
Hydraulic Oil Pump
Posted by Ahmed on 9 September, 2016 - 3:12 am
Inspection of Hydraulic pump
4
replies
PLC Lab Rack
Posted by bfeeny on 8 September, 2016 - 8:00 pm
I am looking for assistance in building a DIN lab rack
2
replies
How to find a Modbus coder
Posted by Bruce Punshon on 7 September, 2016 - 3:09 pm
locating someone to to write Modbus to Moscad applications...
2
replies
Re: How to Make a Solenoid Cycle
Posted by Confused54321 on 7 September, 2016 - 11:53 am
Can anyone help me figure out a way to make a solenoid valve cycle?
1
reply
Endress Pressure Transmitter
Posted by Monti on 5 September, 2016 - 7:08 am
Endress Hauser pressure transmitters asking for pin code
3
replies
208 Volt Supply Running a 240 Volt Inverter
Posted by jeremy on 5 September, 2016 - 6:01 am
Will a 208v supply be able to run a 240v single phase inverter powering an electric motor?
D/3 Novatech Migration
Posted by Tiger_Gori on 3 September, 2016 - 3:42 am
Using Profilink/908 PCT to convert Modicon Remote Quantum protocol
10
replies
Diaphragm Seal for Toxic Service
Posted by Elmira on 3 September, 2016 - 2:00 am
Looking for information about diaphragm seal used with toxic substances
2
replies
Generator Lockout Relay 86G Won't Reset.
Posted by Fourtotwentyma on 3 September, 2016 - 12:40 am
The 86G Reset knob on GCPP won't reset even when there is no standing alarm indicator.
4
replies
Reading Target Register Using ModBus on Promass F83
Posted by deliandiver on 2 September, 2016 - 7:41 am
Querying the ModBus Promass F83 Register using 04 Function code.
Connect to Versamax cpue05
Posted by fallmodou on 1 September, 2016 - 9:17 pm
Connecting windows7 sp1 with a Versamax cpue05 controller using a serial port.
7
replies
Using RSlogix PLC to Gate Trigger to a TRIAC or Thyristor
Posted by sahilgupta1527 on 1 September, 2016 - 2:02 pm
How to use analog output and trigger a TRIAC or thyristor
Surge Drum Level Control in Experion DCS
Posted by hany5757 on 1 September, 2016 - 12:08 pm
Using Honeywell Experion DCS System Surge Drum Level Control to get steady flow
1
reply
Disable One of Vibration Probe Sensor
Posted by rkysati on 1 September, 2016 - 5:12 am
Anyone has experience on disable one of Vibration Probe sensor (X or Y Position) on one bearing for gas turbine operation?
Presentation on MARK VIe...
Posted by kalyanM on 1 September, 2016 - 2:25 am
Looking for a presentation on MARK VIe for plant operators.
1
reply
Modbus Communication between GE PLC E05 and Control Logix PLC
Posted by sami90 on 1 September, 2016 - 1:54 am
Project to communicate the GE PLC E05 with Allen Bradley ControlLogix over Modbus Serial 485
3
replies
Burner Management Systems for Oil Fired CFBC Boilers
Posted by phoenixash30 on 31 August, 2016 - 11:46 pm
Logics and working principle of burner management systems in cfbc boilers.
2
replies
Very Small Modbus TCP Solution
Posted by Patrick Stöger on 30 August, 2016 - 3:19 am
Looking for an all-in-one-sollution for Modbus TCP for a 25mm x 35mm x 12mm board
Gap between Fuel Nozzle & Cap Liner
Posted by Emir on 29 August, 2016 - 8:16 pm
Diameters or gap used to Fuel Nozzle & Liner
4
replies
Modbus TCP and SNMP to SQL DB
Posted by Craigs3d on 29 August, 2016 - 1:25 pm
Looking for a small app to capture CT sensor Data...
3
replies
GE Control System Toolbox for MarkVI Speedtronic Gas Turbine
Posted by DIM on 29 August, 2016 - 12:42 pm
Please Can anybody Help me with GE Control System Toolbox Manual
4
replies
GE Frame 6B Crossfire Tube Burned
Posted by mirak on 29 August, 2016 - 8:50 am
Crossfire tube burned and melted (GE Frame 6B)
1
reply
ALSTOM Flakt Bus to Modbus HELP
Posted by matinrelayer on 29 August, 2016 - 8:44 am
Need some help, does anyone know Flakt bus? is there any gateway or converter to Modbus or any other protocol?
2
replies
LVDT Is Replaced by New RVDT
Posted by GE on 29 August, 2016 - 5:21 am
Whether Defect LVDT is replaced with RVDT. Is it suitable for Mark-V system QTBA?
Current and Voltages of a Deutz 330kVA Alternator.
Posted by namagem on 28 August, 2016 - 11:51 pm
This unit is having current fluctuation issues whilst on load and voltage drop issues as well.
1
reply
Loss of Flame Trip
Posted by party on 28 August, 2016 - 4:33 pm
Gas turbine tripped due to Loss of Flame
Character String and Flags from Same Master in S7-1200 PLC Modbus Communication
Posted by biyabaniraufahmed on 27 August, 2016 - 1:30 am
Siemens S7-1200 PLC Modbus RTU with CM1241-RS232
Centum 3000 Talks Modbus TCP?
Posted by Joe Wan on 26 August, 2016 - 4:30 pm
Polling data from Centum CS 3000 using modbus TCP.
4
replies
Swirl Angle Graph for Frame 9E
Posted by bil07 on 26 August, 2016 - 1:36 pm
Looking for a swirl angle graph for Frame 9E. Does it exist?
3
replies
Gas Turbine Torque Converter Output Shaft Not Rotating
Posted by viralmehta on 25 August, 2016 - 11:28 am
After major inspection (MI) of our 6 GTGframe 9 mark VI gas turbine, when we are going to give command for cooldown mode, torque converter output not rotating.
14
replies
Why Separate Junction Boxes When Transfering 4-20 ma and 230 AC Signals
Posted by Shailesh09 on 25 August, 2016 - 7:07 am
Junction box quantity selection based on signal potential?
Not Enough Flow Through Control Valve in VHP Steam Flow Line
Posted by msantra2 on 25 August, 2016 - 3:28 am
PRDS (Pressure Reduction and Distribution Station) related problem in our Captive Power Plant.
4
replies
Governor Control
Posted by shanks on 25 August, 2016 - 1:11 am
Mode of operation of generators in islanding and grid paralleling with or without load sharing system.
Multi-circuit 3 phase Energy Metering Alternatives
Posted by Jimmy Saldivias on 24 August, 2016 - 8:59 pm
Measuring 50+ 3 phase circuits. Instead discrete meters, want to use multi-circuit product or Data Acquisition modules and software.
8
replies
What is Suction Pressure?
Posted by chillwin on 24 August, 2016 - 12:23 pm
Could someone please explain what Suction Pressure of a gas compressor is?
4
replies
Modbus Communication Between ControlLogix5570 and Mark VIe
Posted by Angel252 on 24 August, 2016 - 7:21 am
Can I use Modbus communication with controllogix5570, directly or should use prosoft products?
Multi GE PAS 8000 I/O (Controller) issue
Posted by YaoHuaWang on 24 August, 2016 - 6:06 am
12 sets of redundant GE PAS8000 controller in the same network can't function
20 to 160mA VS 4 to 20mA
Posted by raynvd on 24 August, 2016 - 5:39 am
Why use 20 to 160mA instead of 4 to 20mA
1
reply
Gas Turbine Flowmeter Calibration
Posted by adeyinkadimeji on 23 August, 2016 - 5:30 pm
Gas Turbine Frame 6B - Honeywell SMV3000 Smart Transmitter, Model SMA 125 Flowmeter Hardware and software calibration
5
replies
High Speed Counter Configuration
Posted by luckyA on 23 August, 2016 - 4:44 pm
Setting up high speed counter in m340 plc
3
replies
Allen Bradley AI Card 1756-IF16 Not Reading Full Scale
Posted by sbinstrument on 23 August, 2016 - 3:34 pm
The raw counts in the Allen Bradley 1756-IF16 AI card are not increasing to the full scale.
1
reply
Gas Turbine Power Output
Posted by suryapower on 23 August, 2016 - 6:54 am
Gas turbine Output is same, but IGV opening requirement is almost differed by 5 deg.
2
replies
Starting a Small Automation Company in Dublin.
Posted by Usman Sanaullah on 22 August, 2016 - 2:54 pm
Need to start automation business in Dublin. Looking for leads on where to start market research.
1
reply
Masonelin Level TX Calibration
Posted by raja_cshah on 22 August, 2016 - 11:31 am
Calibrated the level tx but indication at transmitter shows wrong value.
8
replies
Changing SDCC Cards, Now Having Problems with MarkV Download
Posted by Bayramoglu on 22 August, 2016 - 11:10 am
After changing SDCC card in <T> the controller stopped on A4 and not reach A7.
3
replies
Passive Vs Active Concept
Posted by AhmadH on 22 August, 2016 - 5:09 am
Passive Vs Active in Puls Output
1
reply
Kobold Magnetic Flow Meter
Posted by remoun2009 on 21 August, 2016 - 6:27 pm
Problem in Kobold magnetic flow meter
1
reply
Synchronous Generator Whine
Posted by Stephen Hill on 21 August, 2016 - 1:03 pm
Need advice on reducing 100 plus decibel whine from GE 375kva 2300v 225rpm synchronous generator. Pure sound is 630Hz and 800 Hz 1/3 octave band and pitch rises with rpm.
1
reply
IBR Certification for Instruments
Posted by jalaram on 21 August, 2016 - 1:23 am
IBR Certification required or not for Syphon or isolation valve?
6
replies
RLNG Pressure Controllers of Gas turbines
Posted by Seeker1988 on 20 August, 2016 - 10:32 pm
RLNG pressure controllers of Gas turbines are abnormally open.
Turbine Driven Boiler Feed Pump
Posted by KARTHIKEYAN on 20 August, 2016 - 1:24 pm
What happens when MS pressure and Feed water discharge pressure reduces? Can we keep 2 TDBFP in service? What consequences will be faced in TDBFP?
Absolute Encoder Emulation Card Issues.
Posted by cmyers51 on 20 August, 2016 - 12:40 pm
Having issues with a Beckhoff EL-5002 card communicating with a Bosch Rexroth Encoder Emulator card (DAE02.1M).
2
replies
Generator H2 Gas Purging 9 FB
Posted by elomoon on 20 August, 2016 - 12:02 pm
Compensates for saving energy with the commissioning of the oil seals after a long period of time.
Dielectric Absorption Ratio And Polarization Index
Posted by niazbibiyana on 19 August, 2016 - 5:07 pm
About PI value and DAR value
1
reply
Valve Trim Size Definition
Posted by Andries van Renssen on 19 August, 2016 - 8:35 am
How is valve trim size defined?
3
replies
Mark-V Simulator
Posted by samson16 on 18 August, 2016 - 10:12 pm
Looking for a Mark-V simulator for the purpose of training
2
replies
Connecting FF Type Pressure Transmitter with Field Communicator 475
Posted by danishkhanswati on 18 August, 2016 - 7:39 pm
How to connect field communicator 475 with FF type pressure transmitter for configuration
1
reply
Shutting Down GE PLC
Posted by AASHUTOSH S PUROHIT on 18 August, 2016 - 6:39 am
How to shutdown of GE PLC RX3i
5
replies
Measuring Sulfuric Acid 98% Flow
Posted by elchng on 18 August, 2016 - 3:54 am
looking a flow meter to measure sulfuric acid 98%. Any recommend brand?
2
replies
Magnetic Pickup Sensor Waukesha Gas Engine
Posted by Diaa on 17 August, 2016 - 7:25 am
Need help finding the appropriate speed sensor type
3
replies
GE Gas Turbine Trip on Generator Lockout Relay 86G-1
Posted by Reoji on 17 August, 2016 - 2:12 am
GE Gas Turbine Trip on Generator lockout relay 86G-1 unable to find the root of the problem
1
reply
Port Forwarding External IP to PLC
Posted by baberb on 16 August, 2016 - 3:24 pm
For external access to a PLC, is this wise? The end-user IT guys want to simply forward a port on their external IP to the PLC
1
reply
Instrumentation Training?
Posted by datao on 16 August, 2016 - 12:51 pm
Looking for recommendations for instrumentation training providers in Southern California.
Connecting PCU to Main Server Problems
Posted by Qusay Ismail on 15 August, 2016 - 2:16 pm
We have problem in connecting one PCU to main server in ALSTOM control system while the others are connected successfully.
2
replies
Analog Input Barrier
Posted by HK on 14 August, 2016 - 12:09 pm
Purpose of an analog input barrier in DCS loop diagram?
Back-up Protection Wiring
Posted by Wisdom Samlafo on 14 August, 2016 - 5:53 am
Need help understanding how practical back up protection wiring is implemented in a distribution substation
1
reply
UPS System Switch Burnt
Posted by sami on 14 August, 2016 - 4:23 am
GUTOR UPS system inverter static switch burnt after blown fuse replaced
1
reply
SPD Reliability Test
Posted by soorajak on 12 August, 2016 - 11:02 pm
I would like to know if there is any way of testing a Surge Protection Device?
Mechanical Rotational System
Posted by bolasa on 12 August, 2016 - 11:03 am
Need help drawing a network diagram
Samson Control Valves
Posted by mojtabayaghoutinia on 12 August, 2016 - 2:28 am
Severe service control valves from Samson
8
replies
Modbus RTU with Grain Watch System
Posted by Archimedes on 11 August, 2016 - 1:37 pm
Modbus master appears to communicating from Modbus Poll to network controller (slave), but the slave is not returning any information.
4
replies
S7-1200 Modbus
Posted by Barbican on 11 August, 2016 - 12:59 pm
Reading data from DSE genset controller via Modbus using S7-1200 by siemens
1
reply
Running Centum VP in a Virtual Machine
Posted by mudassir_mehmood on 11 August, 2016 - 7:19 am
Minimum requirements for running Centum VP R6.03.00 software in a virtual machine.
1
reply
ATEX Classification
Posted by Leunbach on 11 August, 2016 - 4:39 am
For ATEX Ex certification, is the barrier/isolator included in the equipment when the ATEX marking is: Ex ia d IIC?
1
reply
Establishing RsLinx OPC Connection via VB
Posted by AB-PLC on 10 August, 2016 - 2:55 pm
Looking for links to a tutorial on how VB can establish connection to the Allen Bradley PLC 5/05 OPC RSLinx.
7
replies
Leading and Lagging Power Factor
Posted by Poornimah on 10 August, 2016 - 11:50 am
What is the difference between power factor 0.85 lagging and 0.85 leading?
3
replies
VFD Pumps Flow Control Using One PID
Posted by khalid313 on 9 August, 2016 - 1:01 pm
I am facing a problem with a PID controller that controls more than one VFD pump.
2
replies
Power System Stabilizer
Posted by shanks on 9 August, 2016 - 12:34 pm
Power system stabilizer and its application
1
reply
Installation Honeywell Experion PKS
Posted by christa on 9 August, 2016 - 5:50 am
Looking for installation manual for Honeywell Experion PKS
Infi90 IMASO01 Delivering > 20mA After Power Outage
Posted by rogerval on 8 August, 2016 - 9:12 pm
Infi90 IMASO01 analog output modules deliver > 20mA after system came back up from a power blackout.
12
replies
Modbus Router
Posted by ModbusChris on 8 August, 2016 - 2:26 pm
Is there a hardware (ideal) or software (fallback) solution to read via Modbus TCP from several servers and give out the gathered data on a single IP address?
1
reply
Siemens SGT-600
Posted by Naser_n on 8 August, 2016 - 8:19 am
IGV function
ABB MasterNet
Posted by izadi_i on 8 August, 2016 - 4:21 am
ABB MasterNet User's Guide
2
replies
Foundation Fieldbus
Posted by TG on 8 August, 2016 - 2:35 am
Fieldbus Device Communication error
Electronic Speed Control
Posted by Mikert on 8 August, 2016 - 1:11 am
How to build an ECS for a fisher paykel motor to power a quad copter?
5
replies
IGV Control Trouble Trip
Posted by Mohamedibr752 on 7 August, 2016 - 3:03 am
A gas turbine MS 5001PG (MKV) tripped on the alarm "INLET GUIDE VANE CONTROL TROUBLE TRIP".
1
reply
Cement Silo Level Measurement
Posted by sonutomy on 6 August, 2016 - 7:46 am
Cement silo level
3
replies
Remote GT Operation Modbus or Ethernet or Controlnet
Posted by hany5757 on 5 August, 2016 - 9:30 pm
Is there any limitation /standard/best practice for using Modbus for controlling GT from DCS or remote station??
9
replies
Earth Fault Tripping while Starting
Posted by Vinay5794 on 5 August, 2016 - 12:49 pm
A 315 kW 6.6kV fed compressor which is used to share load with another similar motor is frequently tripping on earth fault while starting.
1
reply
Tilt Pad Bearings
Posted by Mark Davis on 5 August, 2016 - 5:43 am
Oil pressure and flow on tilt pad bearings
10
replies
Zeroed Starts Counters and Total Fired Time Mark V
Posted by ControlGT on 4 August, 2016 - 2:16 pm
Trying to understand why starts counters and Total Fired Time Mark V zeroed out.
4
replies
VFDs Current
Posted by nvrsrinivas on 4 August, 2016 - 12:31 pm
What is the relation between input current and output current in a VFD?
2
replies
Ex ia and IECEX Flameproof, ATEX Flameproof, CSA/US-Exp.
Posted by Sudesh G on 4 August, 2016 - 8:11 am
can we use IECEX Flameproof, ATEX Flameproof, or CSA/US-Exp device instead of Ex ia rated device for Zone 1?
3
replies
Simulation Device for Turbine Overspeed
Posted by Genersi on 4 August, 2016 - 12:05 am
Looking for simulation device for turbine overspeed