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Forum Archive
4
replies
How PLC Communicates with DCS
Posted by Mans92 on 30 October, 2016 - 3:58 am
How does a PLC relate to the DCS
1
reply
Retro-fitable Noninvasive Flow Meter for Measuring Pressurised Water
Posted by billythepipe on 30 October, 2016 - 3:01 am
Want to put some inexpensive non-invasive sensors to measure pressurized water flow rate in 1/2" pipes.
2
replies
Automation Deliverables
Posted by Mans92 on 29 October, 2016 - 7:27 am
Main Automation deliverables
7
replies
Will a VFD Output Single Phase?
Posted by Mays on 28 October, 2016 - 5:04 pm
VFD outputting single phase
4
replies
RSView32 and SQL
Posted by Quantum866 on 28 October, 2016 - 9:10 am
How to Read a SQL Table into RSView32 Tags
2
replies
Mark V HMI No Data
Posted by EngHarthi on 27 October, 2016 - 8:05 pm
One of Mark V HMIs shows no data. However, Data can be seen from other HMIs.
Webserver Communication ABB RTU560 CMR01
Posted by hijashmk on 27 October, 2016 - 8:52 am
Unable to setup webserver communication for ABB RTU560 CMR01
Document That Describes IEEE Different Earthing Standard?
Posted by bhushan_javle04 on 27 October, 2016 - 3:43 am
Which IEEE earthing standard can be called when safety and instruments are connected at one end to the panel?
1
reply
Siemens S7-400 Does Not Power On
Posted by Abdul Mateen on 27 October, 2016 - 1:25 am
Siemens S7-400 would not power on after communication error.
1
reply
GE 9FA Gas Turbine Fan When Running Standby Fan Getting Reverse Rotation
Posted by amanat on 26 October, 2016 - 2:21 pm
Gas turbine fans when running standby fan getting reverse rotation which is leading to burnt motor
1
reply
Honeywell Experion SCADA vs PCDI Communication
Posted by thomasicsc on 26 October, 2016 - 11:22 am
Using PCDI vs SCADA in Honeywell Experion with Modbus TCP
Request for Guidance - Single Integrator Issues
Posted by Jeremy Pollard on 25 October, 2016 - 11:41 pm
Single integrator looking for advice on how to explain the value of an informed resource to a VP.
Delta PLC Communication Issue
Posted by Madhumati on 25 October, 2016 - 7:35 am
Facing communication issue with Delta DVP 28SV PLC when powered OFF & ON.
Errors in Logic When Replacing Omron CPU
Posted by Ali Raza on 25 October, 2016 - 6:02 am
Logic errors after replacing Omron CQM1 CPU 21 with CQMH1 CPU 21
Percent of Volatile Matter Left After Burning LPG
Posted by Kamaraj on 25 October, 2016 - 3:22 am
How much amount of LPG can be released to atmosphere, and after burning of LPG how much % of volatile matters can be released to atmosphere via chimney?
PL7 Xway Connection Lost after Second TSXETY4103 Added
Posted by vincentocn82 on 25 October, 2016 - 12:30 am
Premium PLC remote xway connection lost after added second ETY module
2
replies
Drum Three Element Level Control
Posted by shamsedin on 24 October, 2016 - 7:42 am
what is merits and demerits of three element drum level control?
Centum VP Illegal Exit
Posted by Boscokk on 24 October, 2016 - 4:17 am
Illegal Exit Code after installing Centum VP R6
Under Voltage Setting
Posted by Meto on 23 October, 2016 - 2:55 am
What is a rule of thumb setting for the busbar under-voltage relay time delay.
1
reply
Gas Flowrate and Volume Measurement
Posted by dannys on 22 October, 2016 - 4:05 pm
Disparity in volume of gas captured by barton chart recorder from a gas vending company and ABB totalizer used the gas fired power station.
2
replies
Siemens T-3000 Reports Question
Posted by PEHE on 22 October, 2016 - 9:50 am
We're struggling with using T-3000 and creating useful reports.
2
replies
GE Mark VI PID
Posted by Mully on 22 October, 2016 - 6:04 am
Looking for information about the tuning parameters for a oil cooler control loop. It is being controlled by an ISA_PID MK-VI block.
2
replies
52G Re-Closure Logic
Posted by saurabhstalone on 22 October, 2016 - 4:49 am
Understanding the 52G automatic re-closure logic in MKV GE Frames gas turbines controls
6
replies
Stator RTD Showing High Value During Running
Posted by Anurag Bhardwaj on 22 October, 2016 - 12:06 am
Ohm Stator RTD values for motor vary.
3
replies
PWM 4 to 20 mA Signal To Go To PLC
Posted by dpm123 on 21 October, 2016 - 11:36 am
Connecting a sensor outputting 4-20mA PWM signal to an existing PLC that can only accept analogue 0-10V or 4-20mA signals and/or digital inputs
12
replies
2-Wire Network Recommendations
Posted by nuatn on 21 October, 2016 - 10:38 am
Asking for recommendation for a networking framework that uses existing unshielded twisted pair.
1
reply
Monitoring and Controlling Central Air Conditioners
Posted by nabilnathir on 20 October, 2016 - 6:56 am
Questions about setting up automation project for central air-conditioning system
3
replies
Allen Bradley PLC as Ethernet/IP Adapter
Posted by Madhumati on 20 October, 2016 - 6:14 am
Can Allen Bradley PLC be configured as Ethernet/IP slave or adapter?
1
reply
Gas Turbine Tripped on Rotor Axia Shifting but Parameter Normal
Posted by CCPP Guddu on 20 October, 2016 - 1:04 am
Siemens unit 136 MW Gas turbine V 94.2 running on base load and suddenly tripped on "Axial shifting Tripped". Parameters normal and under limit.
New to PLC
Posted by sneha on 19 October, 2016 - 2:43 pm
New to plc would like more information about addressing in PLCs
1
reply
Sea Water Intake
Posted by Djafer on 19 October, 2016 - 6:19 am
Measuring differential level of sea water on transmitter band screen
Automated Packing of Little Bags
Posted by croautomation on 19 October, 2016 - 2:09 am
Project is to solve automation of packing little "pieces" which are collected in big box.
3
replies
Problem with Allen Bradley 5/40 CPU
Posted by Mihir Ramkrishna on 18 October, 2016 - 11:57 pm
After maintenance, an different version of program was in processor after powering up PLC.
1
reply
Electronic Pressure Sensors
Posted by hany5757 on 18 October, 2016 - 12:27 pm
Different electronic sensors used recently for pressure transmitters. Any comparison for the advantage and most important the disadvantages (limitations) for each type?
5
replies
Steam Turbine Operated in Pressure/Power Control Mode
Posted by ThirstyMonkey on 17 October, 2016 - 5:45 pm
What are pros/cons when a steam turbine operates in pressure control mode and in power control mode?
DCS Modbus with Mark Vie
Posted by samehsabry2010 on 17 October, 2016 - 5:33 pm
Creating redundant communication using Modbus and Yokogawa DCS with HMI Mark Vie
17
replies
Turbine Not Attaining FSNL
Posted by Obiloko4 on 17 October, 2016 - 4:00 pm
Turbine fails to reach FSNL. It has been a long time since starting turbine.
1
reply
Ex ia Low Voltage Power Supply
Posted by Andrew H on 17 October, 2016 - 10:54 am
Looking for an [Ex ia] DC power supply with entity parameters; 4V < Uo > 8.4V; Io <= 200mA; Po <= 1.3W
DB-II scale to PC through USB
Posted by delwar on 17 October, 2016 - 12:33 am
Connecting DB-II Scale to PC though USB port
1
reply
PID Configuration of Minimum Flow Controller for Centrifugal Pump
Posted by hany5757 on 16 October, 2016 - 10:35 am
For Centrifugal Pump PID minimum flow controller, is there a special way of configuring it different from normal PID flow controller??
2
replies
Synchronous Motor/Generator
Posted by Terence Sundgren on 14 October, 2016 - 11:31 am
Is it possible to use a synchronous generator in "motoring" mode to synchronize your power machine to the grid, and then start generating by putting power into your machine?
3
replies
Requirements for Sil 3 System
Posted by wilebinabbas on 14 October, 2016 - 6:48 am
Questions about SIL 3 system requirements
3
replies
Mark VI VME CPU Card
Posted by Godswill on 14 October, 2016 - 5:58 am
Looking for the possible price range of Mark VI VME CPU Card
3
replies
Modbus Discrete Input
Posted by choi on 14 October, 2016 - 4:42 am
Confusion about using Modbus to read the status of discrete inputs
1
reply
Power Plant Blackout After Load is Rejected
Posted by Maaz Naseer on 13 October, 2016 - 3:28 pm
Power Plant blackedout when a load of 35MW was rejected. How to keep the system stable after that and prevent blackout?
Honeywell Experion R430.1 SCADA Questions
Posted by ar_basell on 13 October, 2016 - 7:29 am
Using Honeywell R430.1 Scada and have some Quickbuilder questions
4
replies
Adding an Ethernet/IP Adapter to Micrologix 1400 PLC
Posted by Madhumati on 13 October, 2016 - 3:37 am
Looking for a procedure to add an Ethernet/IP adapter device to Micrologix 1400 PLC configuration
1
reply
Controlling a Stepper Motor
Posted by Gabriel on 12 October, 2016 - 9:12 pm
Controlling a stepper motor using variables, but am losing power when it starts moving
1
reply
Position Control w. PLC and VFD
Posted by MRTNTW on 12 October, 2016 - 11:12 am
Position control using sensorless vector techniques.
3
replies
Machine Tripping on Negative Reactive Power Flow
Posted by rak11226 on 12 October, 2016 - 4:51 am
The in house machine which is a 34.5 MW Gas turbine tripped on negative reactive power flow while conducting the load throw off test.
ALSPA P320 Parts Supplier
Posted by SurenDixit on 12 October, 2016 - 4:49 am
Looking for UT-150-2 for ALSPA P320
7
replies
Generator Humming Sound
Posted by Aptx4869 on 11 October, 2016 - 2:05 pm
7FA generator is making a humming sound
A Primer for Axial Compressor Stall and Surge
Posted by CSA on 11 October, 2016 - 11:13 am
A recently-published article on Axial Compressor Stall and Surge
2
replies
Mark VI Toolbox
Posted by samson16 on 11 October, 2016 - 7:10 am
Analog signal forcing through MK-VI toolbox
4
replies
MK5 HMI Upgrade
Posted by andstennett on 11 October, 2016 - 12:22 am
MK5 studio has stopped working since upgrading our MK5 speedtronic to GE's new HMI with ST toolbox.
1
reply
Simulation Control Environment
Posted by Samim on 10 October, 2016 - 3:10 pm
Simulation Control Environment Problem
4
replies
Floboss 107 to DCS Analog Input
Posted by briq on 10 October, 2016 - 6:12 am
Floboss 107 to DCS ABB Bailey Analog Input
1
reply
GE Frame 9E Cooling Water System
Posted by khairulsulaiman on 10 October, 2016 - 3:25 am
Cooling water leakage at the turbine support leg along the vertical edge of the support
S5 Conversion
Posted by roxtech on 9 October, 2016 - 2:30 am
Converting an S5 95U with S7 CPU
Endress+Hauser FMP51 and Experion PKS R410
Posted by mostafa_qasemi1987 on 8 October, 2016 - 3:52 pm
Configuring an Endress+hauser Levelflex FMP51 by control builder in Experion PKs R410?
2
replies
SCADA Systems Suppliers in China and South Korea
Posted by foudam on 8 October, 2016 - 8:05 am
Top 5 SCADA SYSTEMS suppliers in China and South Korea.
Hitachi PLC Connection to PC
Posted by sreevinsreenivas on 8 October, 2016 - 2:11 am
Hitachi PLC EH-D40DTPS programming and connection problem
LM6000 N25 Control
Posted by KevinArnold on 8 October, 2016 - 12:54 am
LM6000 N25 control limit operation?
7
replies
Gas Turbine Wheelspace Differential Temperature
Posted by niazbibiyana on 7 October, 2016 - 3:32 pm
GE-9FA GT 1st stage forward inner wheel space temperature difference high.
3
replies
Air Processing Unit
Posted by Emesco on 7 October, 2016 - 1:16 pm
Source of air processing unit in turbine combustion? (GE frame 6 Gas Turbine)
5
replies
Calibration of LVDT on MK-VI simulator
Posted by samson16 on 6 October, 2016 - 11:09 am
I am facing problem with regulator calibration in Mark-VI simulator
1
reply
MarK-VI simulator issues
Posted by samson16 on 6 October, 2016 - 8:33 am
Hello there, I am facing some teething issues with Mark-VI simulator (VMWare based).
4
replies
Bleed valve limit switch
Posted by grajesh on 6 October, 2016 - 4:08 am
Has any site using micro switch for the compressor air bleed valve? Is yes please share the details.
1
reply
Modbus TCP HW C300 - MarkVI
Posted by daniel on 6 October, 2016 - 12:30 am
A problem with Honeywell PKS C300 and GE MarkVie communication via Modbus TCP
3
replies
Torque converter graphics is should be needed in Mvie HMI Graphics?
Posted by sreenoo39 on 5 October, 2016 - 11:05 pm
needed in GT 7EA MVie HMI?
3
replies
Equipping an Industrial Control Systems Lab
Posted by thiagoralves on 5 October, 2016 - 10:41 pm
Brands and models of PLCs for the University's Lab
3
replies
DCS communication with ESD and F&G
Posted by moji on 5 October, 2016 - 8:02 am
Connection between DCS and ESD and F&G system methods
Air Mass Flow and IGV Angle in Gas Turbine
Posted by ahmadhalab on 5 October, 2016 - 6:47 am
IGV and air mass flow on gas turbine
1
reply
Xt value for a control valve.
Posted by cps13 on 4 October, 2016 - 8:11 am
Correct valve sizing for control valve
10
replies
Serial RS232 to Ethernet Conversion
Posted by Nailesh on 4 October, 2016 - 7:24 am
Conversion of RS 232 data to Ethernet to communicate with PC i.e 50 meter away from RS 232 device.
1
reply
Pneumatic diff pression transmitter
Posted by DJAFER on 4 October, 2016 - 6:55 am
Pneumatic Diff pressure transmitter, FOXBORO model 13A-MS2.
1
reply
Modbus Comm between Totalflow XFC and Prosoft PLX31
Posted by imti2356 on 3 October, 2016 - 8:18 pm
Modbus comm. issues between Totalflow XFC and Prosoft PLX31
5
replies
Anyone Here Ever Create an HMI utilizing OPC, .net and C# ?
Posted by W3RDG on 3 October, 2016 - 7:28 pm
Has anyone has ever created an HMI application/OPC client using C#/.net?
3
replies
IEC 61850 Communication with MODBUS TCP
Posted by Subrat on 3 October, 2016 - 8:40 am
Transmit signals from Modbus TCP system to IEC 61850-101/104 communication Protocol SCADA System.
ABB Sumphony Harmony DCS NIS/NPM Problem
Posted by bhimani112 on 3 October, 2016 - 6:23 am
Alarm in ABB DCS communication module (NIS/NPM)
2
replies
Detecting Spark Discharge in 7FA Lube Oil Filter
Posted by Aptx4869 on 3 October, 2016 - 3:58 am
Spark Discharge in Lube Oil Filters.
4
replies
475 HART Communicator Disconnected when Simulated the 4~20mA
Posted by dsony on 2 October, 2016 - 11:41 pm
When I simulate from 4-15 mA via 475 communicator, the communicator was not disconnected. Now when I simulate the transmitter to 17-20 mA the communicator was disconnected.
2
replies
Generator Capability Curve
Posted by bulldog1 on 1 October, 2016 - 7:17 pm
question on Excitation and generator capability curve
BAS Graphics
Posted by shorman on 1 October, 2016 - 7:45 am
BAS Graphics
Not Able to Configure ABB DMC tzidc 120
Posted by kishantilava on 30 September, 2016 - 1:54 pm
ABB make DMC TZIDC 120, not showing in 475 hand held communicator. Can anybody help me to solve this?
Need Caterpillar EIS Communication Registering MAP Adress
Posted by Syed Mohammad Naveed on 29 September, 2016 - 4:26 am
Communication With Caterpillar EIS Via CCM with PLC....
2
replies
How to connect 10 RS-485 Devices with Citect SCADA
Posted by amer on 29 September, 2016 - 12:16 am
How can I implement a SCADA system for 10 devices that communicate via RS-485?
2
replies
Mitsubishi UPS 9900b Modbus Registers
Posted by dsans on 28 September, 2016 - 6:06 pm
Integrate Mitsubishi UPS 9900b with Niagara AX
12
replies
Gas Turbine Free Governor Mode of Operation
Posted by niazbibiyana on 28 September, 2016 - 4:24 pm
Difference between droop mode and free mode of operation
3
replies
Hydrogen Cooled Generator Purging
Posted by bfishe01 on 28 September, 2016 - 1:25 pm
Purging of a hydrogen cooled generator
2
replies
TIA Portal V13
Posted by SA88 on 28 September, 2016 - 8:06 am
Retrieving project in TIA portal V13 failed
9
replies
IGV Servo Positions Explanation
Posted by asarhan on 28 September, 2016 - 7:32 am
GE frame 9E IGV servo valve 90TV-1 positions Explanation
Parameters for a Bosch CC100
Posted by jimbob36 on 27 September, 2016 - 4:28 pm
In need of parameters for Bosch CC100 on an SCM Routomat 2
2
replies
On Line Wash
Posted by ibr2016 on 27 September, 2016 - 11:08 am
Results of on line wash
Experion PKS R430 PID Execution
Posted by mcwv on 27 September, 2016 - 9:54 am
Trying to find a way to implement a controller that will only execute upon an updated measurement coming through.
1
reply
Thermocouple Quick Disconnect and Theory
Posted by Maximuse on 27 September, 2016 - 9:43 am
Trying to find a T/C quick disconnect solution for multiple signals, and debunk some myths.
Read Data from SPPA-T2000
Posted by rvahedipour on 27 September, 2016 - 7:14 am
I need to read data from TXP via terminal bus.
Unknown Parameters in Adaptive Observer
Posted by joskal on 27 September, 2016 - 4:31 am
For a project, I'm designing an adaptive observer and I'm trying to figure out how many unknown parameters I can use.
4
replies
Breaker Closure Speed in Synchronising
Posted by Mund123 on 27 September, 2016 - 1:37 am
Replacing generator breaker with ones that close faster. Do we have to make changes in ToolBox?
1
reply
Vacuum Low but Condenser Exhaust Steam Pressure High
Posted by instrumentTH on 26 September, 2016 - 11:12 pm
I have issue about exhaust steam pressure high, cannot build up vacuum condenser. One unit can build up and other one unit cannot.