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Forum Archive
Replacement Multimode Fiber Switch 10 base FL
Posted by uzangiworld on 20 September, 2019 - 8:21 am
Looking for any 10 base FL Multimode switch working on a masterbus 300 network
1
reply
How to use the 5303-MBP-MNET?
Posted by dtammi on 20 September, 2019 - 7:43 am
Talking to Modbus/Plus PLCs from a computer using Modbus/TCP/IP
4
replies
Hex to Decimal Conversion
Posted by Mark1261 on 19 September, 2019 - 5:43 pm
How to convert hex to decimal for Modbus
Tornado SGT200 Siemens
Posted by Jaafar on 18 September, 2019 - 8:00 am
Presentation training for Siemens SGT 200
PHD Ideas in Instrumentation and Control
Posted by metrologydude on 18 September, 2019 - 5:28 am
Looking for a PHD project either in instrumentation, AI or automation
How many types of iot level sensors are there?
Posted by Holykell on 18 September, 2019 - 3:41 am
Types of iot level sensors
2
replies
Magnetic Flowmeter in Demin Water
Posted by jdpgaming24 on 17 September, 2019 - 11:21 am
Erratic/Swinging reading of electromagnetic flowmeter used in demin water
1
reply
DLMS Packet Format over Modbus
Posted by purnamasi on 17 September, 2019 - 7:23 am
DLMS packet sending format over Modbus protocol.
1
reply
Issue with Modbus Communication
Posted by VilasDesai on 17 September, 2019 - 2:44 am
Issue wth PLC as Modbus Master and 6 HMIs as slaves on Rs485
1
reply
2 Wire Modbus RTU Network Incorrect Wiring Scenario
Posted by Doug Dye on 16 September, 2019 - 8:05 pm
Shield landed at data terminal and data wire landed at shield/ground terminal.
1
reply
VC3 hunting of GE MS9001E Gas Turbine During Startup
Posted by AamirSohail on 16 September, 2019 - 12:04 pm
Gas Turbine GE MS9001E gets trip over 'LOSS OF FLAME' signal because of the hunting of Liquid fuel bypass valve (VC3).
CPD vs PCD-Purge Differential
Posted by turbinectech on 16 September, 2019 - 8:10 am
Issue with purge differential on one unit.
1
reply
GE Frame 6B Load Decreases
Posted by SMS on 16 September, 2019 - 3:58 am
After rainfall GE Frame6B GT CPD decreases along with Base load MW output.
Instrument Cable in an Electrical Transit
Posted by drafnoob on 16 September, 2019 - 1:16 am
Is it possible to put an instrument cable through an electrical cable transit?
3
replies
Torque Converter
Posted by rohitdas10 on 15 September, 2019 - 10:31 pm
How does a torque converter work when a Frame 6 Gas turbine?
Instrument Selection for Solvay Based Soda Ash Plant
Posted by saqib786 on 15 September, 2019 - 1:42 pm
Looking for guidance in selecting instrument for soda ash plant
Speed Drop in Steam Turbine with Woodward 505e
Posted by electrocuted on 15 September, 2019 - 6:56 am
We have recently been facing sudden speed drops in extraction steam turbine, and Woodward 505e just seems to fail to respond to any speed increase commands.
2
replies
Open Thermocouple when heated
Posted by ThomasW on 14 September, 2019 - 2:27 pm
Intermittent T/C failing
1
reply
New Genset Trips On Overspeed at Startup
Posted by Saulguy on 13 September, 2019 - 4:34 pm
We are unable to start our diesel engine without tripping on overspeed due to an overshoot of the setpoint/rated speed.
1
reply
Single Mode vs Multi Mode for Fiber Optics
Posted by RyanBetts on 13 September, 2019 - 1:52 pm
Single Mode vs Multi Mode fiber optic runs for control systems
Bently Nevada BN3500 Download
Posted by timalg on 13 September, 2019 - 11:04 am
Alarm message after modifying and downloading a program to our Bently Nevada BN3500
Converting Siemens APACS PID Tuning to Rockwell Control Logix
Posted by Albertan on 12 September, 2019 - 11:17 pm
Need to convert Siemens APACS tuning parameters to Control Logix PID tuning parameters.
1
reply
Modbus Command Memory
Posted by salwa17 on 12 September, 2019 - 5:45 pm
What is the command memory and command memory count please?
PLC/SCADA/TELEMETRY - Better Option
Posted by Selk on 12 September, 2019 - 5:14 am
Looking for advice on PLC/SCADA/TELEMETRY options
Transferring Data from Proficy Historian v.5 API
Posted by inkerinmaa on 12 September, 2019 - 1:25 am
Transferring data from Proficy Historian v.5 API to a remote PC
24
replies
Site Power Outage Due to Underfrequency
Posted by Makster on 11 September, 2019 - 10:44 am
Recently we had a complete power outage at our site, and I want to share the events to conclude the RCA of said outage
Turning Gear Failure
Posted by mabdullahkhan1971 on 11 September, 2019 - 10:16 am
Failure of turning gear in our 50MW aero derivative gas turbine
1
reply
PLC IDE with Code Compare Functions
Posted by multivits on 10 September, 2019 - 9:51 pm
Are there PLC IDEs which have a function which allows 2 PLC programs to be compared to each other?
1
reply
Alarm on GE Machine Frame 9E
Posted by ARTHUR on 9 September, 2019 - 12:30 pm
Resolving "Node CRM1_SVR detects link to REM1SVR is down" alarm
IEC-101 Queue System
Posted by dhamushree on 9 September, 2019 - 8:23 am
In halfduplex communication device, whether queue system is possible or not in IEC-101?
2
replies
MODBUS Function Code 16 - Value out of range
Posted by gautam on 9 September, 2019 - 7:01 am
MODBUS Slave - Functions Code 16 Multiple register write
3
replies
Mark V DWATT Signal Loss
Posted by VIJAY on 6 September, 2019 - 8:36 am
What will be the consequence if DWATT signal loss (transducer failure) in mark V?
Liquid and Combustible Samples and NFPA 496
Posted by KPenson on 5 September, 2019 - 6:32 pm
I have run into a debate about liquid combustible samples and NFPA 496
1
reply
Steam turbine Tripped on Overexcitaion Protection V/f >1
Posted by ansmehmood on 5 September, 2019 - 11:14 am
Our generator tripped on over excitation due to high grid requirements. But the over excitation limiter did not control it.
Wonderware Intouch Edge
Posted by Tripod70 on 5 September, 2019 - 11:05 am
Looking for some feedback on Intouch Edge before purchasing
1
reply
Simple Examples of Open Loop and Closed Loop Control
Posted by abtj90 on 5 September, 2019 - 6:30 am
Looking for simple examples of an open loop and close loop control from any process industry
Advantages and Disadvantages of Magnetostrictive Probe Level Measurement
Posted by Holykell on 5 September, 2019 - 3:12 am
What are the advantages and disadvantages of the magnetostrictive probe level measurement?
2
replies
MODBUS/RTU RS 485 Data Reading Problem
Posted by Ashish K on 4 September, 2019 - 11:04 am
MODBUS/RTU RS 485 data reading problem by IS-PC located at field (Slave)
3
replies
Gas Turbine Coupled to Asynchronous Generator
Posted by vladimir36 on 3 September, 2019 - 11:19 am
It it possible to use an asynchronous generator coupled to a gas turbine in isolated system?
1
reply
Using Modbus to Send Data Across to Two PLCs Belonging to Two Different Networks
Posted by Naveen on 2 September, 2019 - 11:23 am
Need to establish serial commmunication with two PLCs of different networks.
1
reply
Possibile Tasks in Automaton and Control Where One Could Work Remotely from Home
Posted by garym68 on 2 September, 2019 - 9:06 am
Which parts of the control & automation life cycle will be best suited to working remotely from home?
4
replies
Efficiency of Triple Pressure Steam Turbine
Posted by faisalnadim on 2 September, 2019 - 2:27 am
Our steam turbine is producing MWS less than design base load. While at partial load 75 percent, it’s producing extra MWS. Is there any problem with our Boilers or VFD Boiler feed pumps?
1
reply
GE MS3002 2nd Stage Nozzles Stuck
Posted by KUTAN on 1 September, 2019 - 9:59 pm
Is 8500kPa hydraulic pressure at nozzles ram high enough on MS3002?
Unity Programming for EHC105 Counter
Posted by apps_man on 1 September, 2019 - 5:18 pm
Looking for proven solutions for software control of EHC counter inputs.
1
reply
Backup Retrieval from Rustronics Mark-II System
Posted by Makster on 30 August, 2019 - 2:31 pm
What is the backup retrieval procedure from Rustronics Mark-II Controller?
Are there headerless exception messages?
Posted by edavid on 30 August, 2019 - 5:38 am
Should a Modbus TCP client expect exception messages that consist of only the PDU and have no MBAP header?
Allen Bradley 9/series - ODS Software
Posted by BasNexusAB on 30 August, 2019 - 4:51 am
In need of ODS (Offline development System) software - Allen Bradley !!
Simocode Data Collector Module
Posted by HoneyMae on 30 August, 2019 - 2:46 am
Simocode Data Collector Module to gather 50 pcs of Simocode Controller.
1
reply
PC to PLC Communications
Posted by paul28 on 29 August, 2019 - 5:00 pm
Getting the PC and PLC talking after replacing old battery
2
replies
Modbus RTU Send Message
Posted by daemonlies on 29 August, 2019 - 5:49 am
Trying to work out what response i should get from a Modbus RTU by sending a hex message
Calculating the Blind Spot of Radar Liquid Level Transmitter
Posted by Holykell on 28 August, 2019 - 10:40 pm
How to calculate the blind spot of radar liquid level transmitter?
2
replies
Gas Turbine with Induction Generator
Posted by vladimir36 on 28 August, 2019 - 9:27 pm
Could a gas turbine such RB211 GT30 or RB211 GT62 run a induction generator?
5
replies
Level Measurement Solution for Corrosive Materials
Posted by saeid fatehi on 28 August, 2019 - 4:56 am
A alternative solution for level measurement of brine fluid inside ejector
2
replies
GE Speedtronic Mark IV Control System Cost
Posted by master_shayke on 27 August, 2019 - 3:59 pm
Generally curious about the cost of the GE Mark IV, Mark V, & Mark VI Steam Turbine Control Systems.
1
reply
Identifying Mark V Solenoids
Posted by sid100 on 27 August, 2019 - 4:45 am
Identification of solenoids in Mark V
2
replies
Drum Level Span
Posted by kayak on 26 August, 2019 - 3:24 pm
Drum level span not as drum level transmitter
Citect Variable Copy
Posted by niklaslindblom on 23 August, 2019 - 9:25 am
Help! Citect function Variable 1 = Variable 2
Beckhoff HMI Testing
Posted by RA2019 on 23 August, 2019 - 8:02 am
Setting TP link card on PC with Beckhoff HMI
1
reply
Accuracy of the Electromagnetic Flowmeter
Posted by Holykell on 23 August, 2019 - 3:36 am
What factors will affect the accuracy of the electromagnetic flowmeter?
2
replies
PID Parameters
Posted by jack1986 on 22 August, 2019 - 10:56 pm
Need help setting PID parameters for a water cooling loop
RS 485 to SCADA
Posted by RF1h on 22 August, 2019 - 3:56 pm
How to connect Siemens S7 RS485 device to Experion SCADA?
Maintenance Guidelines, New Power Generation
Posted by jagriti on 22 August, 2019 - 2:05 pm
Maintenance guidelines of NEW turbine & generator supplied but not installed in a LSTK project.
6
replies
GG IDEL FAULT _ H
Posted by smailrth on 22 August, 2019 - 10:01 am
After general overhaul, when turbine restarts it displays a GG IDEL FAULT _ H fault
5
replies
Raspberry PI
Posted by Jeremy Pollard on 22 August, 2019 - 7:34 am
Looking for Raspberry PI applications for article
2
replies
Cascade Control Loops
Posted by semiramisb on 22 August, 2019 - 3:11 am
Looking for help with cascade control loops
1
reply
Serial Port Expander for Modbus Master Device
Posted by rehanuhaq on 20 August, 2019 - 10:05 am
I Need RS-485 Port Expander for use on Modbus Slave Device and send data through single port to 4 Nos. Master Devices.
1
reply
Data Exchanges Between PLCs
Posted by laurent02 on 19 August, 2019 - 4:36 pm
Thread about exchanging data between PLCs of various manufacturers (Siemens, Phoenix and Schneider)
1
reply
Invalid Field Length in MBAP Header on Modbus/TCP Slave
Posted by konstantinos katsigiannis on 18 August, 2019 - 3:25 pm
How to handle the invalid field length in MBAP header on Modbus/TCP slave.
1
reply
Force Cooling by Running Crank 10 hrs Continuously
Posted by irfan ahmed on 16 August, 2019 - 4:08 pm
Is force cooling a normal operation of gas turbine? And what is its effect on long term?
2
replies
Purpose of Vent Pipe on Bearing 2 of Frame 9E
Posted by yawadu on 16 August, 2019 - 11:08 am
what is the purpose of the vent pipe on bearing number 2 of the GE Frame 9E?
2
replies
VSD on Wound Rotor Motor
Posted by hubert on 16 August, 2019 - 6:59 am
Excessive sparking on the slip-rings of wound rotor motor
18
replies
False Spikes in Seismic Vibrations
Posted by Engrahmed on 15 August, 2019 - 1:38 pm
False spikes in seismic vibration cause tripping of fan due to the working in another transmitter
Value Arrangement in Descending Order in RSlogix 500
Posted by Ajay Doiphode on 15 August, 2019 - 1:23 pm
How to different value arrangement in descending order in RSlogix 500?
1
reply
Can an IoT Wireless Level Sensor with GPRS Measure Water Tank?
Posted by Holykell on 15 August, 2019 - 4:40 am
Using an IoT wireless level sensor with GPRS to measure water tank?
1
reply
t3.5 Between Transmit Frame in Modbus
Posted by gsanj on 15 August, 2019 - 4:02 am
How to use the t3.5 interval properly during master/slave communication
2
replies
SRV GCV Drawings for Plug/Seat/Gasket
Posted by jaafer on 14 August, 2019 - 2:41 pm
SRV GCV replacement procedure
4
replies
GT Driving Centrifugal Compressor
Posted by shahabas on 14 August, 2019 - 5:10 am
GT drives Centrifugal compressor, any possibility without running the GT the reverse rotation can be happen from load compressor side to turbine ?
1
reply
Automatic Liquid Mixing & Dispensing using Feedback of Level & Flow Measurement
Posted by kunalv on 14 August, 2019 - 4:07 am
Need a solution for mixing a chemical with water at continuously variable concentration & volume.
2
replies
Serial Port Redirector
Posted by khaledelrady on 14 August, 2019 - 1:26 am
Connecting Modbus TCP master to existing RTU network
5
replies
Gas Turbine Alternator RTDs Meaning and Explanation
Posted by jagriti on 13 August, 2019 - 2:49 am
Brush make alternator RTDs meaning and explanation of Gas Turbine
1
reply
Greg Shinskey Software?
Posted by thermoguard on 12 August, 2019 - 9:29 pm
Trying to locate Greg Shinskey simulation software.
1
reply
Modbus Time Out Error
Posted by rjrajbir on 12 August, 2019 - 7:01 am
Time out error in Modbus poll
1
reply
P&ID Symbols for Level Measurement
Posted by r_sudhagar on 12 August, 2019 - 4:28 am
Standard P&ID symbols followed for float type level indicator, magnetic level indicator, level switches
2
replies
Choosing a Line Reactor for a VFD
Posted by alisnelectric on 9 August, 2019 - 5:33 am
How to choose a line reactor for a VFD?
Flush Diaphragm Level Sensor Measuring Food Grade Level
Posted by Holykell on 8 August, 2019 - 3:33 am
Flush diaphragm level sensor can measure food grade level?
2
replies
What output should I expect in this circuit?
Posted by Agoo on 8 August, 2019 - 1:57 am
I have to find the correct value of output voltage for a simple OP07 circuit having a constant dc input
TwinCat3 - Kaspersky Problem
Posted by jointMan on 7 August, 2019 - 1:24 pm
Errors when using TwinCat3 with Kaspersky Free
2
replies
PLC Programming - Centrifugal Pump Operation
Posted by Selk on 7 August, 2019 - 5:23 am
Operation of Centrifugal Pump in Auto sequence mode
2
replies
MCT for Different Systems
Posted by drafnoob on 6 August, 2019 - 9:18 pm
Transits for Different Cable Systems
2
replies
Diagnostic Coverage for SIS Solenoid Through Interposing Relay
Posted by Threepoint49 on 6 August, 2019 - 8:35 pm
SIL 2 loop of a Logi solver (Hima Himax), I/P relay (Phoenix) and Solenoid (ASCO 327)
5
replies
Mixed Fuel Mode Operation
Posted by Jolek on 6 August, 2019 - 12:03 pm
Limitations for Mixed Fuel Mode Operation
3
replies
Mark V Auto Synchronizing Lockout Alarm
Posted by MARKlaneV on 5 August, 2019 - 11:54 am
"Auto Synchronizing Lockout" (L86S) alarms preventing breaker closure.
1
reply
Start-up Sequence of GT Frame 9
Posted by Moh on 4 August, 2019 - 3:59 pm
Start-up sequence of GT Frame 9 (MS9001)
1
reply
Functional Description of Starting of Gas Turbine
Posted by jagriti on 4 August, 2019 - 4:18 am
Functional description of starting of gas turbine - old machine and do not have most manuals
3
replies
Operation of a Turbogenerator Exceeds the Limit of Hours of Operation.
Posted by AEK on 4 August, 2019 - 3:27 am
-Evaluation of the risks for the operation of a turbogenerator exceeds the limit of hours of operation. -The actions and strategy to adopt for the control and monitoring of these PGT.
5
replies
Triconex Tristation Serial Cable
Posted by Mark on 3 August, 2019 - 10:06 am
Triconex Tristation serial cable pinout
4
replies
Gas Turbine Online Water Wash Requirements
Posted by Nasoor on 3 August, 2019 - 12:22 am
Online water wash for frame 6 machines and the requirements to run on full load
8
replies
FactoryTalk View Protected HMI Files
Posted by Jeremy Pollard on 2 August, 2019 - 6:47 pm
Fixing protected files in FactoryTalk
PLC and Weight Scale Communication
Posted by Hamza08 on 2 August, 2019 - 1:52 am
I want to connect Weight Scale with Fatek PLC
1
reply
Can a capacitance liquid level probe measure fuel tank levels?
Posted by Holykell on 1 August, 2019 - 4:05 am
Using a capacitance fuel level probe to measure oil tank levels