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Forum Archive
LQR Implementation using Simulink
Posted by Tauro20 on 11 October, 2017 - 1:00 am
I am trying to stabilize a system using LQR. I was able to find the K, Q, and R matrix. How would I translate this to simulink?
2
replies
Comparison between DNP3 and MDLC
Posted by shantanub on 10 October, 2017 - 9:11 pm
Technical comparison between MDLC (Motorola Data Link Communication) protocol and DNP3 protocol.
New Website about TIA Portal
Posted by Robert_J on 10 October, 2017 - 2:28 pm
I would like to invite everyone interested to have a look at my website about TIA Portal
GML Commander on an AB 4100 Controller
Posted by abpanelview on 10 October, 2017 - 11:34 am
Communication error when connecting GML Commander to an AB 4100-234-RL.
1
reply
Barrier for Temperature Sensor
Posted by Shailesh09 on 10 October, 2017 - 12:58 am
Does temperature sensor (Pt-1000-Skin type) require barrier/isolator in flameproof panel when used in hazardous zone 1 area?
2
replies
No Pulsation for GTG Inlet Air Filters.
Posted by sreepower1989 on 9 October, 2017 - 4:33 pm
in our site we have 2 GE-6FA+e GTGs, but there is no provision for inlet air filters cleaning with air.
Acromag 961EN and Micrologix
Posted by Jeremy Pollard on 9 October, 2017 - 10:12 am
Interfacing Acromag 961EN and Micrologix over Ethernet
SCADA without MTU, Is It Possible?
Posted by saad0777 on 9 October, 2017 - 8:40 am
Connection between directly RTUs and ICSS, is it a SCADA system?
Fisher Positionner dvc6000
Posted by REBAI007 on 9 October, 2017 - 7:37 am
Communication problem between actuator dvc 6000 and DCS ABB. The actuator not responding. When the actuator is switched to the mode hart and command the actuator with hart 375 its respond.
1
reply
Control Network Architecture
Posted by Walker1239 on 8 October, 2017 - 11:40 pm
Trying to improve the our plant control system network architecture
9
replies
Questions about Isochronous and Droop
Posted by SAK on 8 October, 2017 - 8:43 am
I understand droop and isochronous modes, but have a couple of questions.
5
replies
Bently Nevada Vibration Probe Troubleshooting
Posted by sanjibkumar9 on 8 October, 2017 - 4:28 am
Need help troubleshooting Bently nevada vibration probe issues
3
replies
Modbus RTU 2-wire Master with 4-wire Slaves
Posted by ossi on 7 October, 2017 - 1:49 am
Need help connecting a 2-wire Modbus RTU master (Honeywell Eagle) to 4-wire slaves (Mitsubishi FR-D700 series inverter), with the wiring or the requirement of a converter device.
1
reply
L45HT5HH-Votter Mismatch
Posted by hamid_hkh13 on 6 October, 2017 - 7:21 am
Turbine system and the monitor show error "L45HT5HH-Votter mismatch <S>." This problem is related with <QD2>.
3
replies
Ratcheting problem in Gas Turbine
Posted by depatriot on 5 October, 2017 - 12:00 pm
Shaft can't rotate when the jaw clutch is engaged but the input shaft rotates when disengaged from the gear box
2
replies
PID Controllers and Field Equipment Ratings
Posted by gs on 5 October, 2017 - 8:50 am
How are ranges of PID controllers decided with respect to field equipment rating?
3
replies
ToolboxST passwords to force
Posted by alive000 on 5 October, 2017 - 1:36 am
On my plant, we have 3 gas turbines (GE) working with MARK VI, the question is if I can create different passwords for each unit in order to force from ToolboxST)
Numeric Point
Posted by ammar_yasir on 4 October, 2017 - 10:00 am
What is meant by Numeric Point in TDC 3000 Honeywell?
1
reply
VT primary grounding with LCI system
Posted by speed_tronic on 4 October, 2017 - 2:04 am
What could be impact of ungrounded primary of PT on measurements or protection?
1
reply
Pumps tripping
Posted by Kwaku on 3 October, 2017 - 7:03 pm
HRSG feed water pumps kept tripping
3
replies
Monitoring a flow sensor over a 4-20mA signal
Posted by Eric on 3 October, 2017 - 1:04 pm
Need help with verifying 420mA wiring and devices
2
replies
Operator Work Station
Posted by JCI_Okinawa on 2 October, 2017 - 8:40 am
Has anyone installed a Building Automation System without an Operator Work Station? What are the Pros and Cons?
5
replies
Diagnostic alarms in Z VPRO
Posted by partyman on 2 October, 2017 - 3:28 am
Diagnostic alarms are coming in Z VPRO intermittently and are getting reset...
3
replies
Chemical Dosing
Posted by rakesh on 1 October, 2017 - 10:00 am
Boiler Chemical Dosing - automation - reg
2
replies
Noobe technician: Which company to target?
Posted by Mac29 on 30 September, 2017 - 11:10 pm
Recent Mechatronics "graduate" thinking of applying to ABB, Rockwell Automation, etc. Which would be best and why?
Making Modbus/TCP **Much** Faster
Posted by Rob Hulsebos on 28 September, 2017 - 3:42 pm
Modbus/TCP can be considerably faster if TCP's capabilities are properly used.
What is the HFT of QMR system?
Posted by hany5757 on 28 September, 2017 - 1:17 pm
What is the HFT of QMR system? Comapre QMR with TMR??
2
replies
Altivar 61 Parameter Question
Posted by Tailspin14 on 28 September, 2017 - 9:48 am
Can Altivar 61's parameters change by themselves?
1
reply
GE hydro turbine governor control
Posted by muhammadusman on 28 September, 2017 - 7:09 am
What is a difference between governor position control, power control and ISOCH mode?
9
replies
Drum Level Measurement
Posted by Pendor01 on 28 September, 2017 - 5:57 am
Found drum level transmitters ranged higher then mechanical taps...
5
replies
DYNA Guide
Posted by nikkumnit1 on 28 September, 2017 - 2:00 am
Looking for information about dynaguides basic principle of working. All i know is its a Electro hydraulic controllers.
6
replies
GT13E2 Turbine Operation Manual
Posted by ASHISH GUPTA on 27 September, 2017 - 7:20 am
Looking for GT13E2 Turbine Operation Manual
1
reply
Hydraulic Pump FR6 Turbine
Posted by CTLP on 26 September, 2017 - 4:26 pm
Looking for information about the best hydraulic pump for Frame 6001 applications
4
replies
Simulated Integer Values
Posted by DigiJoe on 26 September, 2017 - 10:20 am
I would like suggestions on how to "fluctuate" integer values randomly within a certain range in a Siemens S7/TIA Portal project and display these values on an HMI.
System Event List Message for Gateway Module
Posted by chrisdorinel on 26 September, 2017 - 6:50 am
Looking for information on messages for bently nevada gateway module
2
replies
Necessity Of Compressor Washing
Posted by EhsanD on 26 September, 2017 - 4:07 am
What is the necessity, frequency, advantages and disadvantages of compressor washing for GE 9E Gas turbines?
1
reply
Controller Tuning for Non Self-regulating Process
Posted by RSW001 on 25 September, 2017 - 6:39 pm
Looking for a straightforward method for measuring the parameters of a 2nd order non self-regulating process, and then use them to calculate controller tuning parameters.
11
replies
TBCB Card Not Updating
Posted by waltrobinson on 25 September, 2017 - 10:34 am
Unit has expansion card TBCB in <C> core. After adding new input, card will function normally for one to two days then stop updating inputs.
2
replies
TBQD Card MKV Freezes
Posted by CarlosMKV on 25 September, 2017 - 9:25 am
After activation of 3 more mA inputs in TBQD ( extended ) card in C processor, values get frozen after a few days.
2
replies
Yokogawa Prosafe 2.03 Debug Error
Posted by msohaibbutt on 25 September, 2017 - 5:06 am
I am facing an issue regarding Yokogawa Prosafe Debug Mode on SCS_Simulator.
Rexroth VT5041 Card Problem
Posted by putiss on 25 September, 2017 - 4:05 am
Rexroth hydraulic regulation problem
Best PLC for Masterflex
Posted by Charlotte on 25 September, 2017 - 2:33 am
What would be the best PLC to connect several MasterFlex L/S 7523-90 pumps to the computer?
5
replies
AA Compressor Related Problem
Posted by kh000 on 23 September, 2017 - 9:15 pm
Frame 6B machine AA compressor discharge pressure hunting and AA temp drop is happening frequently.
1
reply
Electric Generators
Posted by Reinkort on 23 September, 2017 - 3:57 am
I am looking the information about special electric generators for a new energy generation solution.
6
replies
Wet Leg Level Measurement with Both Legs Connected
Posted by boosterhidrogen on 23 September, 2017 - 2:55 am
Reason for wet leg level measurement with both legs connected
Rosemount TankMaster WinOpi Software Problem
Posted by Pak Engineer on 23 September, 2017 - 1:26 am
Radar tank gauge not showing level in WinOpi software.
3
replies
Hot Air Leaks
Posted by k00 on 22 September, 2017 - 11:14 pm
Areas/locations with high probability of hot air leaks
5
replies
Fluid Interface Detection and Level Control in 3 Phase Oil Water Gas Separators
Posted by JohnSM on 22 September, 2017 - 5:15 pm
Seeking input on effective electric, non-pneumatic method for controlling fluid levels in 3-phase oil and gas separators
TSX Micro Communication
Posted by plcqa on 22 September, 2017 - 2:43 pm
Is it possible to make a custom communication using a PLC as an I/O slave?
Tags in Panelview Showing Error
Posted by tony_war on 20 September, 2017 - 12:52 pm
Tags in Panelview HMI displaying error during operation
5
replies
MarkVI-e, PFR ON an PFR OFF
Posted by rokan_123 on 20 September, 2017 - 12:03 pm
GE MarkVIe operating option PFR ON/OFF
3
replies
Advice for Interface Level Transmitter Selection
Posted by hany5757 on 20 September, 2017 - 11:43 am
Interface level transmitter for between dirty oily water and oil for 5 meter long tank
Seeking Electrical Drawings
Posted by Longie on 20 September, 2017 - 8:21 am
Seeking Electrical Drawings/Schematics for Endurance 3120 Wind Turbine
3
replies
PLC and Transformer in an Enclosure
Posted by matheusBatista on 19 September, 2017 - 8:37 pm
Is it good practice put a transformer in a enclosure?
2
replies
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.
HAZOP-process
Posted by Inaki Eseberri on 19 September, 2017 - 6:09 am
HAZOP analysis guide
3
replies
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
8
replies
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
4
replies
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
4
replies
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.
2
replies
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
9
replies
Mark-V <LCC> CARD Replacement
Posted by shyam on 15 September, 2017 - 1:36 pm
Mark-V <C> <LCC> card EEPROM replacement.
3
replies
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.
3
replies
Interface via Modbus TCP (C Environment)
Posted by Jesus on 14 September, 2017 - 4:51 pm
Systems interface via modbus TCP
2
replies
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.
5
replies
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.
1
reply
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.
1
reply
PC to PIC16 (MODBUS)
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
2
replies
Base Load Temperature
Posted by gbala on 10 September, 2017 - 1:07 am
What is base load temperature?
1
reply
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
4
replies
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
1
reply
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
2
replies
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
8
replies
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
9
replies
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.
3
replies
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
1
reply
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.
3
replies
HONEYWELL ENRAF 873 SMARTRADAR
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.
1
reply
1MW Diesel Engine
Posted by sami ibrahim on 29 August, 2017 - 1:31 am
Problem starting a 1MW diesel engine
3
replies
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
MARK 6 eS TG 9E
3
replies
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
1
reply
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?
3
replies
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?