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Generator Seismic Probes MS5001
Posted by Hira on 19 September, 2017 - 9:46 am
The gas turbine MS5001 tripped on high seismic vibrations. Both seismic vibration probes values (North and South) spiked simultaneously and caused tripping.
Posted by Inaki Eseberri on 19 September, 2017 - 6:09 am
HAZOP analysis guide
Exhaust Thermocouples Spread MS5001
Posted by Hira on 19 September, 2017 - 4:47 am
The gas turbine installed on site ( Mark-VI) has 13 exhaust thermocouples. The unhealthy thermocouple's value (-17) is not being disregarded and spread value being shown is 426.3'C while the allowable value is 51.4'C
Level Measurement for Slurry with Mixed Acid Plus Fumes
Posted by nehaldesai2491 on 19 September, 2017 - 2:21 am
Looking for a way to measure the fevel for Slurry with mixed acid + fumes
Stall, Surge, and Choke
Posted by nldgseeker on 19 September, 2017 - 1:28 am
difference between stall and choke in compressors
Contact Moisture Gauge for Metso Scanner
Posted by vince on 18 September, 2017 - 11:36 am
Looking for a supplier of contact moistur gauge for a Mesto scanner
Temperature Control Valve Not Responding
Posted by rj_24 on 17 September, 2017 - 11:20 pm
Control valve is not responding to Temperature Controller command
Reading Register Data from a Modbus PLC Simulator
Posted by Chuy on 17 September, 2017 - 10:22 pm
Establishing a connection to a Modbus PLC simulator via Modbus TCP using C code by reading register data.
Voltage Drop in Perkins Generator
Posted by Dennis on 17 September, 2017 - 2:04 pm
Having a issue with voltage loss on Perkins genset.
Level Glass for Refrigerant Low Temp Measurement
Posted by hany5757 on 17 September, 2017 - 7:53 am
Looking for a solution for reading refrigerant Propane C3 liquid level in a scrubber inlet to a refrigerant compressor.
History Module in TDC 3000
Posted by ammar_yasir on 17 September, 2017 - 12:15 am
Checking History module used and free space in TDC 3000
Mark-V <LCC> CARD Replacement
Posted by shyam on 15 September, 2017 - 1:36 pm
Mark-V <C> <LCC> card EEPROM replacement.
How Electrostatics Field Effects the Vibrations
Posted by sanjib kumar on 15 September, 2017 - 10:37 am
How vibration is effected by electrostatic fields, it causes mark on journal bearing as a result vibration shoot up.
Interface via Modbus TCP (C Environment)
Posted by Jesus on 14 September, 2017 - 4:51 pm
Systems interface via modbus TCP
SLC 500 COP Instruction to N Register
Posted by SMF on 14 September, 2017 - 2:17 pm
I have a COP instruction with a 8 word length but no input type instructions.
15K Generac Guardian Ultra Source
Posted by Joe on 14 September, 2017 - 11:09 am
Generator starts fine, however when you push in the choke it starts to over rev the engine and there is no power output.
Need Suggestion for this Application
Posted by martindag on 13 September, 2017 - 8:56 am
Batching system with different liquids and tanks with the same Flowmeter, need idea.
MODBUS RTU to RS485 Configuration
Posted by Shandene Solomons on 13 September, 2017 - 6:24 am
I'm trying to set up comms from a PLC to a VFD using MODBUS. PLC has RS232 and VFD has RS485 running through a RS232 to RS485 serial converter.
Posted by kishor009 on 13 September, 2017 - 2:08 am
Communication between PC and PIC16 using MODBUS protocol
OASyS 6.2 Hot and Standby Racing
Posted by ahmedosama on 11 September, 2017 - 8:18 am
SCADA OASyS 6.2, dual system. The two servers don't want to work as hot and standby.
Hybrid Inventory Management System
Posted by ieee_1983 on 10 September, 2017 - 9:05 am
A basic question about the hybrid inventory management system
Base Load Temperature
Posted by gbala on 10 September, 2017 - 1:07 am
What is base load temperature?
Modbus Network Issues - Units Randomly Stop Communicating
Posted by diesel23 on 8 September, 2017 - 3:52 pm
Modbus network randomly fails. Voltages go between 1-3 volts to 0 and 4 volts, nothing can communicate. Need help!
Honeywell TDC 3000
Posted by ammar_yasir on 8 September, 2017 - 10:42 am
Schematic edit and formulas in TDC 3000 Honeywell
Woodward GW4
Posted by Aleksandr_1977 on 8 September, 2017 - 8:58 am
Recieve data via Modbus using GW4
ACS880 RPBA-01 Emulation
Posted by zapotek67 on 8 September, 2017 - 1:50 am
I try to communicate ABB ACS880 drive with DCS using RPBA-01 emulation without changing the configuration on DCS.
Connecting FA-M3 PLC to Matrikon OPC for Modbus
Posted by Rikutuzomoko on 7 September, 2017 - 10:50 pm
Connect the Yokogawa FA-M3 PLCs to Matrikon OPC Server for Modbus
Voltage Problem 3 Phase Generator
Posted by Tom kinczel on 7 September, 2017 - 7:07 pm
Need to adjust voltage each time I turn selector switch to different setting.
Critical Path and Governor Shutdown
Posted by seba4andino on 5 September, 2017 - 12:50 pm
Definition of Critical Path SD and Governor SD
Controlling Systems in Farm Equipment
Posted by MrJFK530 on 5 September, 2017 - 12:18 am
Attempting to simplify and bring the controls of a large tractor into the 21st century
System Inputs for Gas Turbines
Posted by lix29 on 3 September, 2017 - 5:47 pm
Please, could anyone give me some idea about how to chose appropriate input variables for a gas turbine?
VSC Droop
Posted by HVDCman on 2 September, 2017 - 1:48 am
V/P droop calculations
Trip Oil Gradually Drop
Posted by VKGUPTA on 1 September, 2017 - 2:09 am
Frame-V machine MOP discharge and Trip Oil pressure gradually dropping down.
Converting COD of Kg/day into mg/litre
Posted by Harry23 on 1 September, 2017 - 1:32 am
Need some help converting COD in kg/day into mg/litre
Hardware and Software Tool-chain for Euromap
Posted by Prashant on 31 August, 2017 - 5:03 am
Is there any hardware or software tool chain available to develop Euromap 15 protocol?
Bizerba GLM-I Calibration
Posted by Krzysztof on 30 August, 2017 - 6:14 am
Looking for information on how to perform the calibration procedure for checkweigher of automatic labeler GLM-I Bizerba.
HMI/SCADA Program WebN Server 2.0 (Freeware)
Posted by netran on 30 August, 2017 - 1:23 am
Free HMI/SCADA program WebN Server 2.0
26 pin 0.5 Pitch Round-to-Flat Cable
Posted by Alex Crofford on 29 August, 2017 - 8:24 pm
Looking for a source of 26p 0.5mm pitch round to flat male to female cables.
Posted by Pak Engineer on 29 August, 2017 - 1:33 pm
Old Honeywell Enraf 873 SmartRadar on crude tank no longer working after tank renovation.
1MW Diesel Engine
Posted by sami ibrahim on 29 August, 2017 - 1:31 am
Problem starting a 1MW diesel engine
2-W P transmitter/ PLC
Posted by Ali_M on 28 August, 2017 - 12:06 pm
Need help diagnosing issue with differential pressure transmitter. Could it be the analog input card?
Radar Level Transmitter Problem
Posted by gopal100 on 28 August, 2017 - 5:59 am
Radar level transmitter showing short between + and ground
Lost Connection
Posted by khe on 26 August, 2017 - 2:26 am
WorkstationST OPC DA Server
Posted by Isulamu on 25 August, 2017 - 5:21 pm
How does the OPC DA server work exactly with the workstationST
Transducer 4-20 ma
Posted by abdulrabkhan on 25 August, 2017 - 1:08 pm
3 way valve with a 4-20 ma positioner in it. Is it possible to take current input at two same cards of different PLC racks?
SLC 500 MOV Instruction
Posted by SMF on 25 August, 2017 - 12:07 pm
MOV instruction with an N13 register with a source value of 32000. Why was this 32000 number used?
SMS from PLC for Hearing Impaired Worker
Posted by DPI on 24 August, 2017 - 3:29 pm
I am looking for a way to send SMS text messages based on PLC I/O states.
GE Fanuc CPU Failure
Posted by Bentronic on 24 August, 2017 - 6:22 am
CPU Failure on GE Fanuc Series 90-70 PLC
Off base LO Skid Drain SOV 20QA-2
Posted by SP on 24 August, 2017 - 2:55 am
what is the purpose of warren pump Off base LO skid Drain SOV 20QA-2 in frame V machine.
Valve Positioner
Posted by LastCall on 23 August, 2017 - 10:54 am
Modbus TCP/IP Valve Positioner
Modbus TCP Settings
Posted by MarcBen on 23 August, 2017 - 5:38 am
What are the parameters to put in ASE2000?
Obsolete Registers - Who Decides
Posted by JMacLaren on 23 August, 2017 - 4:10 am
I created a MODBUS address list with both 3xxxx and 4xxxx register addresses but I was asked to change the 3xxxx address to 4xxxx addresses. Why?
HART Transmitter Configuration in Fault Status
Posted by CNI on 23 August, 2017 - 1:19 am
Can you configure the output of a HART transmitter toward a trip condition (20 or 4 ma as needed) in case of fault detection in transmitter?
How to Achieve Realtime Seamless Server Redundancy Between Two Wonderware Intouch SCADA System
Posted by Chandraprakash MC on 22 August, 2017 - 1:17 pm
I have an identical Wonderware Intouch SCADA servers of same network. How to achieve a real time & seamless server redundancy (Hot standby) between these two servers? To make things clear it is not a system platform (IDE). It is an Intouch server system.
Pulse and 4-20ma
Posted by edward on 22 August, 2017 - 12:01 pm
I am having trouble with a flow meter and pulse/4-20ma output.
Level Switch Selection for Solid to Avoid Chute Jamming
Posted by Sandeep_ecengineer on 22 August, 2017 - 7:41 am
The Cone-crusher discharge hopper chute is getting jammed due to the wet material. Please Suggest a level switch.
Reforming Capacitors
Posted by lucky_dog on 21 August, 2017 - 7:56 pm
Need a UL listed device to reform capacitors.
TCP/IP Packets on A-B CompactLogix
Posted by gwmarsh on 21 August, 2017 - 7:25 pm
Is it possible to parse TCP/IP packets (not Ethernet-I/P) in 5380 CompactLogix processors?
Kinetix Servo Drives
Posted by Slyone on 21 August, 2017 - 2:33 pm
Problem with kinetix servo drives.
Question about New Hires
Posted by pandamathium on 21 August, 2017 - 2:38 am
I would like to be a control engineer in the wood products industry. What is the training learning curve like for new hires in this industry?
MODBUS Slave Master Assignments
Posted by jan du preez on 20 August, 2017 - 2:59 am
I would like a few general guidelines as to my challenge to allow 2 slave to communicate and using my SCADA as master. Basically I cant get past the fact that a device can either be a slave or a master, not both.
DlN1 Extended Lean Lean
Posted by khe on 20 August, 2017 - 2:40 am
GE 9e gas turbine dln1. Is this a danger to the machine?
GT Rotor Damage
Posted by piyushguptaiocl on 20 August, 2017 - 1:26 am
Frame-VI gas turbine rotor turbine 3rd stage diaphragm seals, stage 2-3 wheel spacer, stage 2 wheel found heavy damage beyond repairable.
Working Schematics Revision Control
Posted by Smaher4 on 19 August, 2017 - 7:35 am
We are currently trying to implement a drawing revision control system in our company and I am looking for comments or thoughts from others in a similar situation.
Torque Calculation of VFD-Motor
Posted by Mani151282 on 19 August, 2017 - 7:08 am
I want to calculate the Torque a 3-phase induction motor
Control Oil Header Pressure Low
Posted by Mustafa Saleem on 19 August, 2017 - 2:39 am
Steam Turbine Control Oil Header Pressure low.
GE Mark VIe Lock-out
Posted by BlueGene on 18 August, 2017 - 9:24 pm
Getting a better understanding of GE Mark VIe turbine lock-out (L5RtrLck)
Register Reading Works on Windows, but not on Raspbian
Posted by katonacs73 on 18 August, 2017 - 5:22 am
Reading registers from slave works perfectly on Windows, but with the same settings, and query get answer, but it says invalid address.
Issues with Power Generation when in Sync with the Utility Supply
Posted by WAB on 18 August, 2017 - 12:27 am
Issues with the power generated when in sync with the Utility supply.
Synchronize 4 Motor Lift
Posted by JP on 17 August, 2017 - 2:33 pm
Need help synchronizing four 12 VDC motor lift using Gama Inc controller
Concentration Inflow Measurement Affected by Pressure
Posted by Maj on 17 August, 2017 - 10:28 am
Sludge concentration measurement in pipeline using back-scatter infrared sensor but the pressure prevent the reading .
Remote Operate Control Valve
Posted by Neamen A. on 17 August, 2017 - 9:23 am
Is there a system that allows you to operate a control valve remotely that is about 8 miles away?
Process Control
Posted by jagnoor on 17 August, 2017 - 1:50 am
Need help interpreting questions
1784-PKTX Problems
Posted by Bruce427 on 16 August, 2017 - 7:39 pm
Changing out 1784-PKTX to CLogix 1756-DHRIO and ENET comm setup. Help needed with comm setup.
Conversion of Petrochemical Plant from 60 Hz to 50 Hz
Posted by Siva Kumar on 16 August, 2017 - 3:32 am
Our Petroleum company is designed for 60hz and feeding from in-house 60 HZ 11KV Gas Turbines. We wish to go for the 50HZ Government supply. Please suggest how to manage.
Supported Function Codes in MODBUS TCP
Posted by gomathisankars on 16 August, 2017 - 2:59 am
Some function codes are mentioned as Serial Only. Does this mean that these requests should not sent over TCP/UDP?
Indramat DSC3
Posted by psmith49 on 15 August, 2017 - 1:49 pm
Need troubleshooting help or troubleshooting guide.
Cimplicity 6.1 Toward Siemens OPC Server
Posted by gordonen on 15 August, 2017 - 8:35 am
Siemens CP-5611 A2 (6GK1561-1AA01)
High Wheelspace Temperature
Posted by haseebBok on 15 August, 2017 - 6:25 am
High Wheelspace has been observed on one of our Gas Turbines. Machine is Frame 5 Model LA. 2nd Stage nozzle was replaced.
Yokogawa CS3000
Posted by hayder_alazzawi on 15 August, 2017 - 2:54 am
How to send the project from EWS to operator's HIS
Gas Turbine GE (Frame 5) Alternator DE Intermittent Vibration
Posted by smsalem on 15 August, 2017 - 2:06 am
During Gas Turbine (GE Frame 5) run when the machine was started and loaded till 4MW, rise in vibration observed towards Generator DE bearing and it touched the alarm levels ( 0.5 in/s pk) in the panel.
PRDS Control valve troubleshooting
Posted by sanjib kumar on 14 August, 2017 - 9:40 pm
PRDS Control valve at 25% opening generate lots of sounds & hunting and unable to control steam flow, moreover stem of valve vibrating up and down. Data for control valve (CV = 430, line size = 12 * 14,flow required max. 28 tons).
Honeywell TDC 3000 Software
Posted by ammar_yasir on 14 August, 2017 - 10:03 am
Can We run TDC 3000 Honeywell DCS Software on windows? like 7 or any other?
Comparing Ultrasonic Flow Measurement with Orifice Flow Measurement
Posted by gtengineer on 13 August, 2017 - 9:27 pm
How to confirm that the upstream ultrasonic flow measurement is equal to downstream two orifice flow measurements
Micro controllers Driver board/module configuration
Posted by Peaz99 on 13 August, 2017 - 4:00 pm
I'm looking for help for micro controllers driver module configuration.
Questions about MARK VI TMR
Posted by Aptx4869 on 12 August, 2017 - 10:39 am
Questions about MARK VI TMR.
Yokogawa CS3000 VNET Connection Problem
Posted by UKhalid071 on 12 August, 2017 - 10:30 am
I am trying to learn a new system (for me) in a lab. A "red cross" is shown on Vnet icon on my computer.
Failing MKV Controllers
Posted by Jolek on 12 August, 2017 - 4:42 am
Two, <R> and <S>, controllers of MKV system failed simultaneously at base load.
Posted by JJss on 10 August, 2017 - 7:12 am
Simple Cycle Frame 6 GT tripping on SRV Error
Bailey HMI Replacement
Posted by choosepace on 9 August, 2017 - 11:43 pm
Have any Bailey experts replaced an Alpha Workstation?
Steam Valve Servo Actuator Cegelec EPR 920
Posted by Ikhtiander on 9 August, 2017 - 11:36 am
Looking for Steam Valve Servo Actuator Cegelec EPR 920 datasheet
Honeywell TDC and Experion
Posted by aluigi on 9 August, 2017 - 7:00 am
Honeywell Experion DCS with TDC2000 (3000?) hardware based on MFC controllers: Trying to understand the correlation between the physical address and the addresses I can see in Quick Builder?
MVAr Increased to the Double of Running Load Machine
Posted by fahadalam on 9 August, 2017 - 5:35 am
Total 8GTG's running exporting 100MW, out of 8 two or on droop mode. MVAr increase almost double the load of running machine.
LCI Fault Message
Posted by joe45678 on 8 August, 2017 - 5:20 pm
"FCDG Misoperation" fault message on GE LCI control panel when the LCI was down.
MODBUS/Power Wiring
Posted by stephend on 8 August, 2017 - 3:11 pm
Can the power supply wires and the MODBUS communication wires be a part of the same multi-pair cable?
TSX17-20 PLC
Posted by Steen Jensen on 8 August, 2017 - 6:57 am
Telemecanique TSX17-20 PLC problem with alarm message.
GE 9fa 3gts All Generator Casing Purity Gradually Coming Down
Posted by amant on 8 August, 2017 - 6:01 am
my site ge 9fa 3gts all generator casing purity gradually coming down,
Posted by rakibcnrd on 7 August, 2017 - 11:27 pm
Best Thermocouple manufacturer.
About software configurable DCS I/O
Posted by prasendg on 7 August, 2017 - 9:31 pm
Comparative study of merits and demerits of a software configurable I/O module for DCS
GE Mark VI Macros Function Block Library
Posted by briq on 7 August, 2017 - 6:16 pm
GE Mark VI macros block library