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Sunday, August 18, 2019
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A demonstration of EtherCAT control of linear motors using the CTC EtherCAT master.
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Forum Archive
Modbus. dll File for VB or Excel
Posted by Adolfo Leon Hernandez Abadia on 27 March, 2019 - 11:42 am
Modbus. dll Is required for VB or Excel
Modbus TCP Reading 32 bit Registers Problem
Posted by Ricardo78 on 27 March, 2019 - 10:08 am
Trying to read the input registers through Modbus but have problems with 32bit registers.
6
replies
When Do I Need Y-Pattern Needle Valve?
Posted by Tharwat on 27 March, 2019 - 7:52 am
I want to purchase needle valves as a replacement for built-in needle valves (Y Pattern).
1
reply
Supply of Reactive Power through Generator/Exciter
Posted by MGP on 27 March, 2019 - 5:09 am
We are planning to provide ancillary service to the grid by means of reactive power support by raising or lowering the excitation of our turbo generator.
1
reply
HAZID Study
Posted by kld_rm on 26 March, 2019 - 4:51 pm
HAZID study requirements
1
reply
TNR Reverse Power Not Detected
Posted by sugarboi on 26 March, 2019 - 9:33 am
cause of TNR reverse power Not Detected
1
reply
COe Emissions
Posted by shouvonik22 on 26 March, 2019 - 7:48 am
Questions about Servomex 2700 combustion gas analyzer for measuring oxygen percent and COe(ppm) emissions
4
replies
VAR Control on Siemens SGT5-4000F
Posted by tonytomson on 25 March, 2019 - 8:05 am
Help needed with VAR control as part of reactive capability curve verification
Controlling Two Micromaster 440 Drives
Posted by Crowfoot on 25 March, 2019 - 6:41 am
Looking for a method to control two AC drives which must work together driving a semi coupled load.
HART Communication
Posted by problem on 24 March, 2019 - 8:24 pm
HART communication between field transmitter and MTL5544D
2
replies
MarkVIe Deadbus Breaker Closure Simulation
Posted by Esoteric_Stone on 24 March, 2019 - 3:48 pm
How to simulate the DEAD BUS BREAKER closure while the GT is off but the BUS is LIVE.
5
replies
GE Speed Protection
Posted by jalestine on 24 March, 2019 - 11:19 am
What is meant by protective and control speed?
3
replies
Confusion over SRV Checkout on Frame 6B with a Flenco DLN1 Gas Module
Posted by Stumped on 23 March, 2019 - 5:41 pm
Frame 6B (as only) combustion turbine DLN1 module has a fisher V300 ball valve as an SRV. Confused on discrepancies between original control document and original commissioning book.
6
replies
Wheelspace Thermocouple Exact Location
Posted by Techieraa on 22 March, 2019 - 8:41 am
Want to gain a clear understanding of wheelspace thermocouples
2
replies
Fluid Batching Application
Posted by Tofunmi on 22 March, 2019 - 4:27 am
Water batching process control solution which will have a batch counter (E+H RA33), Control Valve, and E+H Flowmeter (Picomag)
1
reply
Frame-3 GE GT EOP Motor Characteristic Curves
Posted by vikas on 22 March, 2019 - 2:59 am
Looking for Frame-3 GE make GT EOP motor characteristics, efficiency load curves, etc.
Modbus RTU Help
Posted by JD_mod on 21 March, 2019 - 8:09 pm
Need modbus help. Issues with read functions sending to master.
4
replies
Serial Communication with Gardner Denver ES+ Controller
Posted by gallo27 on 21 March, 2019 - 5:41 pm
Having trouble trying to communicate to Gardner Denver ES+ Controller via RS232 serial connection. Trying to send ASCII requests to controller but I don't get anything back.
Learning Supcon and Other DCSs
Posted by santosh sarma on 21 March, 2019 - 1:46 pm
Portability of things learned from using Supcon to other DCS
1
reply
Flue-gas Desulfurization (FGD) Logic Insterlocks Design
Posted by ArenasM on 21 March, 2019 - 3:39 am
Are there any regulations (EU or others) that define the limitation and regulation of the startup of a Boiler if its FGD is out of service?
3
replies
Foundation Fieldbus
Posted by autogeek on 20 March, 2019 - 6:46 pm
Difference between FF, HART, 4-20ma communication. Does a FF transmitter require 4-20ma signal?
2
replies
Modbus Communication with Danfoss VLT FC360
Posted by MONAK on 20 March, 2019 - 6:04 am
Cannot fetch data on serial communication using Modbus with Danfoss VLT FC360.
Activate Tables Menu in Instrument index of INtools
Posted by dovestar on 20 March, 2019 - 3:07 am
Activating the tables menu in SmartPlant Instrumentation
SFC CPU Card Replacement Fault
Posted by ansmehmood on 19 March, 2019 - 11:17 am
Converteam SFC installed at our site and now have problems after replacing a problem CPU card.
1
reply
VFD on 300 KW , 440 Volts Compressor
Posted by mushahid on 19 March, 2019 - 12:46 am
Replacing Reduced voltage starter to VFD on 300KW Motor drive compressor
8
replies
Polling Slaves from 2 Masters
Posted by Sean Campbell on 18 March, 2019 - 8:20 am
Can devices configured as Modbus Slaves send data to 2 separate Masters?
High fuel flow
Posted by psajay1992 on 18 March, 2019 - 3:04 am
Working on simulation for 6FA machine. Need help to debug.
1
reply
Modbus RTU to Bluetooth
Posted by chromeaccent on 15 March, 2019 - 11:50 am
modbus RTU to bluetooth converter
3
replies
PLC Programing Beginner
Posted by kwameplc on 15 March, 2019 - 11:04 am
Looking for advice on the purchase of a training kit to learn PLC programming at home
4
replies
A New Modbus-TCP Server Simulator
Posted by Talat Dogan on 15 March, 2019 - 9:47 am
New Modbus-TCP Server Simulator freeware is ready for download.
Coal Power Plant Coordinated Unit Control
Posted by Micik1 on 15 March, 2019 - 9:11 am
Basic types of unit control in a coal fired power plant
Model-free Controller Simulation
Posted by David on 15 March, 2019 - 8:57 am
I am designing model-free controllers and I would like to simulate its performances.
3
replies
Installing a Flowmeter to Calculate Gas Quantity and Display Information in Control Room
Posted by abdouzita103 on 15 March, 2019 - 3:58 am
Installing a new flowmeter to calculate gas quantity passing through a pipe and displays in control room
5
replies
Should I use a Regenerative Drive?
Posted by imran0413 on 15 March, 2019 - 1:51 am
Load is driving motor so motor is actually working as generator. Is there any advantage of installing Regenerative drive?
6
replies
Mark 5 Processor Showing Faults
Posted by Hamed87 on 14 March, 2019 - 12:57 pm
Mark 5 processor showing faults and alarms after restart
Online Calculator for Time-Optimal Jerk-Limited Trajectories
Posted by cheeco on 14 March, 2019 - 6:14 am
Calculate and download time-optimal trajectories with jerk limitation online
Loadcell with S7 1200 and HMI
Posted by burakuzun on 13 March, 2019 - 4:03 pm
weight control with using Siemens S7 1200 and HMI screen
Induced Over Voltage Test of Transformer
Posted by shaheed on 13 March, 2019 - 8:09 am
What will be the normal current during during the test of induced over voltage of a 200KVA 11KV/400V 3 phase transformer?
14
replies
PG6111FA M-VIe control IGV hunting in Preselect Load
Posted by STLTLS on 13 March, 2019 - 7:28 am
IGV hunting during only on preselect load operation.
12
replies
Mark6e (MK5 migration) Exhaust Thermocouples Read Low
Posted by borrellimd on 12 March, 2019 - 2:52 pm
Mark6e (MK5 migration) exhaust thermocouples all read ~20DegF low
2
replies
SRV and GCV Calibration in Cranke Mode
Posted by Mcc on 12 March, 2019 - 1:16 pm
How I can calibrate the SRV&GCV with crank mode in MARK 6?
2
replies
How can I get a PCB for prototype?
Posted by Jimmy Saldivias on 12 March, 2019 - 12:30 pm
Need to manufacture 10 boards according to a Texas Instruments design TIDA-01575 to Wirelessly Monitor Vibration on Motors but cannot get manufacturers for it.
1
reply
Integrating a non-Modbus system with a Modbus BMS
Posted by EYAD F on 12 March, 2019 - 10:37 am
Ethernet TCP/IP with a BMS system that supports MODBUS.
4
replies
Commuincating with Laser Caliper (Laser Online LST-25)
Posted by Leafy on 11 March, 2019 - 2:36 pm
Anyone have experience communicating with a Chinese brand Laser Online LX-25 laser caliper via MODBUS RTU protocol?
1
reply
PLC for Hamilton Visiwater DO Probe
Posted by dpm321 on 11 March, 2019 - 12:52 pm
Connecting a Hamilton Visiwater DO probe to a suitable PLC
8
replies
Selecting a PC for SCADA Systems
Posted by alisnelectric on 10 March, 2019 - 1:37 pm
Selecting a PC for installing SCADA.
PLC Control System Design Documentation
Posted by alisnelectric on 10 March, 2019 - 1:29 pm
plc control system documentation
Changing Modbus MBAP Header
Posted by Oemer on 9 March, 2019 - 4:16 pm
Is there a way to define the MBAP header (ADU) themselves? I want to send: 40 02 AA BB always as Header.
Programing Combox-s Module for Modbus Networking in Atlas Copco Elektronikon MkIV Compressor
Posted by hph1988 on 9 March, 2019 - 12:33 pm
How can I program combox-s module using FDP for Modbus networking in Atlas Copco's Elektronikon MkIV compressor?
2
replies
Bubbler Level Measurement in Closed Vessel Vacuum
Posted by Jangir on 8 March, 2019 - 10:48 am
How use a dpt as a bubbler level transmitter in vacuum vessel 70 kpa-a.
Generator Differential Protection Operation During Connecting Generator to the Network
Posted by protectionfreak on 6 March, 2019 - 7:40 pm
Differential relays operation during failed attempt to close the generator circuit breaker
3
replies
GT Air Inlet Housing DP Measurement Location
Posted by luowilliam on 6 March, 2019 - 3:57 pm
Specifying DP measurement requirement for GT air inlet housing?
3
replies
MKV Analog Input Freezes After Change in Configuration
Posted by jhon123 on 6 March, 2019 - 3:48 am
MKV analog input Freezes after change to configuration from TMR to Simplex
7
replies
MODBus Memory Mapping
Posted by Logan on 5 March, 2019 - 3:41 pm
MODBus memory mapping for registers
2
replies
Working with Honeywell TDC EB Files
Posted by EMesher on 5 March, 2019 - 10:20 am
Converting Honeywell TDC EB files to Excel
1
reply
Modbus I/Os Read/Write from Micro850
Posted by omer on 4 March, 2019 - 4:01 am
How to relate a Tag in CCW to a Modbus register
3
replies
Pressure Transmitter Calibration
Posted by jyothis_sebastian on 4 March, 2019 - 2:50 am
Issue checking a datasheet for pressure transmitter submitted by a contractor
3
replies
Photoelectric Sensors
Posted by Steven on 3 March, 2019 - 3:27 am
Photoelectric sensor sees small gap in product spacing and machine faults on insufficient gap
Power Plant Operation
Posted by er_dhavalpatel123 on 2 March, 2019 - 8:45 am
Looking for simple graphic procedure/manual on trend/alarms/events for Alstom ALSPA and Emerson Ovation
Deltav Controllers
Posted by walid25 on 1 March, 2019 - 4:29 am
The difference between deltav controllers
2
replies
Honeywell DCS
Posted by SHAH REZA on 28 February, 2019 - 5:20 am
Difference Between Honeywell Plant Cruise By Experion and Experion PKS DCS system?
11
replies
Questions and Insights about Aeroderivative Gas Turbine
Posted by Isulamu on 28 February, 2019 - 1:50 am
Some questions about the mechanical side of the aeroderivative GT.
1
reply
Printer for Mark 4
Posted by aperkot16 on 28 February, 2019 - 12:54 am
Using a laser printer for the control panel of a gas turbine Mark 4
3
replies
Min Value Gate Operation
Posted by gustavo_marcelo on 28 February, 2019 - 12:01 am
Some questions about Min Value Gate operation
1
reply
Starting a GE Gas Turbine
Posted by GODWIN REUBEN on 27 February, 2019 - 8:46 pm
Starting GE Frame 5 turbine from the HMI
3
replies
Automation Protocol Through Ethernet
Posted by Sreejith on 27 February, 2019 - 6:26 am
Is it possible to communicate multiple TCP IP protocols through a single port?
6
replies
Unable to Install ToolboxST V04.07.06C on Laptop
Posted by Zaasher on 26 February, 2019 - 7:49 pm
Unable to install Toolbox ST V04.07.06C on laptop with Windows 8.1 Enterprise.
1
reply
Variable Frequency Drive
Posted by unexpo on 25 February, 2019 - 2:05 pm
Altivar variator drive does not work correctly when frequency increases after passing 10 HZ.
1
reply
Actuator Friction Modelling
Posted by timiane on 25 February, 2019 - 3:54 am
My project is modeling an actuator. It consists of a contraction between a leadscrew and a spring. I have encountered some issues modeling the friction component of the system.
4
replies
Modbus TCP and Citect SCADA 6.10
Posted by raimoretku on 22 February, 2019 - 9:04 am
Modbus TCP driver for Citect v6.10?
2
replies
Active-X Modbus That Supports Double Floating Point (64bits)
Posted by Fernando Herranz on 22 February, 2019 - 5:52 am
Looking for a Active-X Modbus supporting Double floating point (64bits)
1
reply
LQR on a State That Has Frequency "Zeros"
Posted by Ian on 20 February, 2019 - 12:29 pm
Dampening oscillations at impedance roots
12
replies
Switch or Router?
Posted by xtal_001 on 20 February, 2019 - 11:59 am
I am building a panel with a PLC, an HMI, and a cellular modem ... Do I need a switch or router?
Modbus RTU for Micro Controller without Library
Posted by bkhcm94 on 18 February, 2019 - 8:39 pm
Help me program Modbus master Function 03 in micro controller without library
9
replies
Modbus's Registers Real Time Actual Value
Posted by khaledelrady on 17 February, 2019 - 10:49 pm
Modbus's registers real time actual value problem
Fire and Gas Fault Alarm
Posted by elmeskawi on 17 February, 2019 - 11:14 am
FGP-AI420LO Doesn't distribute 24 Vdc to both of Gas Detector at house filter and heavy duty
1
reply
Changing/Replacing Lube oil
Posted by T.Operator on 15 February, 2019 - 2:12 pm
Changing lube oil
1
reply
Oil Leak at Brush Generator - Non-exciter End
Posted by Dami Paul on 15 February, 2019 - 7:23 am
Serious leak on non exciter end of Brush generator.
5
replies
Suitable Sensor for Detection of Carry Over Condensate in Gas Line
Posted by Aazim on 15 February, 2019 - 2:13 am
Liquid Carry Over Detection Solution in the pressurized gas line?
3
replies
Mark V Simplex R Core at A8
Posted by Power Island on 14 February, 2019 - 3:29 pm
Problem at a site. R core remains at A8 and is frozen, and C core at A5 state.
1
reply
Liquid Fuel Burner FF Ratio
Posted by Aan on 14 February, 2019 - 2:06 pm
what is the Burner FF Ratio?
3
replies
ABB DCS800
Posted by planetmars12 on 14 February, 2019 - 11:57 am
Can not connect my PC to the drive via serial connection.
2
replies
Different Loop Tuning Methods vs Trial and Error
Posted by chemohanom on 13 February, 2019 - 4:32 am
Question is about whether to use lambda tuning or ziegler-nichols method versus trial and error loop tuning.
3
replies
Coriolis Flow Meter Density Deviation
Posted by Muhannad on 13 February, 2019 - 1:34 am
Coriolis Flow meter Density Deviation 44% and more
9
replies
Combined Cycle Power Plant Start Up
Posted by rokan_123 on 12 February, 2019 - 12:43 pm
Controlling Vertical Type HRSG's HP drum metal temperature during start up with GE Frame-9E Dual Fuel standard combustion Gas Turbine.
1
reply
AEG Logistat A020
Posted by BlueStone9 on 12 February, 2019 - 11:17 am
Help converting AEG Logistat A020 statement code
1
reply
Micro PLC TSX17
Posted by Seif_elnasr on 12 February, 2019 - 6:35 am
Programming Micro PLC TSX17
MOBDUS Communication for C2000
Posted by ASHWINEE on 12 February, 2019 - 4:44 am
How to program host and slave using C2000 launchpad
7
replies
GE MARK VI Fault Code
Posted by gbuendia on 11 February, 2019 - 4:51 am
What do the fault codes FC432 to FC436 "Logic Signal $256L Voting Mismatch" mean.
1
reply
ISA through an era of dramatic change
Posted by KenCrater on 10 February, 2019 - 10:18 am
As with most professional societies, ISA faces a dramatically changed environment.
2
replies
Ma to 0-10 Volt Conversion
Posted by sravan on 9 February, 2019 - 11:40 pm
Changing 0-10v from HART level transmitter
2
replies
Siemens SGT700 Gas Turbine Alarm
Posted by nirpendra on 8 February, 2019 - 4:33 pm
Siemens gas turbine Model: SGT 700 showing an alarm "GAC in operation"
3
replies
Effect of Mass Flow Rate when using Orifice Plate
Posted by winchill on 8 February, 2019 - 12:29 pm
What would the effect on the mass flow rate be if a measurement orifice plate was added to the pipeline?
Possible Solutions for Grid Tied Solar Inverter Alternate Energy Input
Posted by oneoff on 7 February, 2019 - 11:05 am
Feeding a 1000VDC (Max input) grid tied solar inverter from an alternate DC+ bus energy sources. Any current regulation problems anticipated?
Learning About and Getting Started in Power Generation
Posted by techiekoko on 7 February, 2019 - 5:02 am
Learning about turbines, particularly gas turbines
1
reply
Siemens Profinet over Radio Link
Posted by myacirkhan on 6 February, 2019 - 5:24 am
Looking for some help on Siemens S7 V9 Profinet over Radio Link
5
replies
RSLogix 5 Analog Scaling
Posted by planetmars12 on 5 February, 2019 - 8:23 pm
Trying to replace 4 proximity switches with a laser using a 4-20mA signal.
Citect Trend Data Exporting
Posted by adamcc on 5 February, 2019 - 7:41 pm
I need to export a large amount of trend data from Citect SCADA to spreadsheet format (CSV, DBF, etc.). However inbuilt functions all seem inadequate. Am I missing something?
Communication Between AC Servo Drive to PLC
Posted by Rahul singh on 5 February, 2019 - 3:14 am
Connected delta AC servo motor with Omron PLC, but servo not running
GT Rceived Alarm in MARK VI for - E1 LOOKUP ERROR
Posted by girish_5586 on 5 February, 2019 - 2:00 am
How to troubleshoot E1 LOOKUP ERROR for MARK VI Frame 7FA