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Forum Archive
12
replies
SCR Heating Control
Posted by Condern1 on 13 November, 2014 - 6:11 pm
Help with a SCR heating circuit
6
replies
Moving Estop Wiring
Posted by Nate B on 13 November, 2014 - 10:00 am
Can I fire an Estop remotely?
Questions about Automation Company's Web Presence
Posted by Gerald Peterson on 13 November, 2014 - 9:20 am
I am looking to find out from professionals what is desired in a supplier/distributor's web site.
Help for TwinCat 3 Project
Posted by Kaps on 13 November, 2014 - 8:06 am
Need help for TwinCat 3 Project.
H-Infinity Control
Posted by Samyukta Ramnath on 12 November, 2014 - 2:56 pm
Choice and meaning of weighting functions in H-Infinity control
2
replies
MODBUS TCP/IP Questions
Posted by PF on 12 November, 2014 - 7:31 am
Difference between Modbus RTU over TCP/IP and Modbus TCP/IP
3
replies
Loss of Communication Between HMI and MARK V
Posted by hanio3001 on 11 November, 2014 - 12:42 pm
Sudden loss of all the values and communication between Mark V & HMI
1
reply
Digital Signals
Posted by Darker on 11 November, 2014 - 8:11 am
What are Digital Signals composed of?
1
reply
Downloading Error in Moscad Programming
Posted by salih.sma on 11 November, 2014 - 3:47 am
we are facing a problem with downloading application into moscad PLC.
1
reply
Steam Flow to Water Flow
Posted by kerert on 10 November, 2014 - 9:18 pm
need a conversion
6
replies
Tuning loops statistics
Posted by Roberto Carabajal on 10 November, 2014 - 10:36 am
Tuning statistics in industry today and engineering education requirements
2
replies
Magnetic Flow Sensor Factor
Posted by Imran Ahmed on 10 November, 2014 - 7:42 am
Pls. I need to know when we should change the sensor factor for ABB Mag flow meter.
4
replies
Measuring Viscosity of Dense Liquid
Posted by Saad on 10 November, 2014 - 7:14 am
I have an application where I have to read real time viscosity of a thick, viscous and opaque liquid, whose viscosity changes with time.
5
replies
Cannot Communicate with Cimplicity
Posted by technical on 9 November, 2014 - 12:42 pm
Project file locked and cannot open Cimplicity
Stand Alone Split Range Controller for Flow Control Valves
Posted by Ken on 8 November, 2014 - 12:15 pm
Selecting a stand alone split range controller
3
replies
Weigh Scale to Measure Rate of Flow
Posted by Jitu Shah on 8 November, 2014 - 9:01 am
How to use a weigh scale to find out rate of flow of water.
Merits and Demerits of a Career as Automation Sales Expert in India
Posted by Rushi Shroff on 8 November, 2014 - 8:32 am
What are the merits & demerits of automation sales profession in India
1
reply
NRV Downstream of Control Valve
Posted by servo2014 on 7 November, 2014 - 2:41 pm
Purpose of NRV/check valve downstream of Control Valves
Using Macros in Factorytalk ME
Posted by mahsa8181 on 7 November, 2014 - 12:03 pm
How to pass parameters into macros?
9
replies
Gas Turbine Startup Problem
Posted by Vinayak on 7 November, 2014 - 10:08 am
IGV not opening during startup of Gas Turbine
Brushless DC Motor's Peak Torque
Posted by Ron Mao on 7 November, 2014 - 7:35 am
Peak Torque calculation for BLDC motor
Want to Know More About "Sensor System Technology" in Industrial Automation
Posted by Rushi Shroff on 7 November, 2014 - 3:22 am
Different technologies used in sensors, to understand them you need to understand the individual technologies.
1
reply
Generators and Short Circuits
Posted by mas on 6 November, 2014 - 11:04 pm
Which is more disastrous-shorting & starting a generator or short circuit happening on a generator running on load.
13
replies
Gas Turbine Low CPD
Posted by RY on 6 November, 2014 - 9:43 pm
GT CPD dropped by 0.5 bars and 10MW.
Siemens ZA724 Controling a Radiant Heat Oven
Posted by Rene Venter on 6 November, 2014 - 8:50 am
I need to know how the Siemens ZA724 Heating Controller works.
Detecting Particles in Metallic Yarn
Posted by Saad on 6 November, 2014 - 5:13 am
Detection of Metallic particles in Fabrics containing Metallic Yarn
3
replies
P&IDs and Process Control Narratives
Posted by Roger Rehbein on 5 November, 2014 - 3:30 pm
How are process control ideas shared between different parties within your organization especilly when all parties are not control engineers?
2
replies
VFD Pump Efficiency Logic
Posted by eng101 on 5 November, 2014 - 11:00 am
Programming pump curves in PLC/DCS for efficient operation.
1
reply
Programming Pushbutton Using Unitronics Vision
Posted by Griff on 5 November, 2014 - 10:12 am
Need some help. I'm new with Visilogic and unitronic.
1
reply
Linux Command Line Program to Check if MODBUS Sensor Is Working
Posted by Jason Ricles on 5 November, 2014 - 9:39 am
I can't tell if my MODBUS sensor is working
12
replies
Design compressor efficiency and capacity - GE Frame 9 PG9171e
Posted by Marcin2706 on 5 November, 2014 - 2:19 am
I want to develop a mathematical model of Gas Turbine - GE Frame 9. I want to get some informations about compressor.
3
replies
Point I/O Master PLC
Posted by Jason on 4 November, 2014 - 8:04 pm
Looking for a low cost Point I/O Master PLC
1
reply
Factorytalk ME Push Button
Posted by Mahsa on 4 November, 2014 - 11:06 am
Need advice on setting up push button expressions and tags.
2
replies
Information and Communication Technology in Industrial Automation
Posted by Rushi Shroff on 4 November, 2014 - 7:54 am
Which Topics are to be referred from Telecommunications (Information & Communication Tech) in Industrial Automation?
2
replies
ControlNet and Modbus
Posted by Darker on 4 November, 2014 - 6:09 am
Why use Modbus when you can use ControlNet
5
replies
Calculating Rotor Temp for Generator via Excitation Voltage and Excitation Current
Posted by CTM151282 on 3 November, 2014 - 11:29 pm
Looking for rotor temperature calculation
12
replies
How to Add Event or Alarms in MARKVI
Posted by technical on 3 November, 2014 - 4:40 pm
How to add event in cimplicity and find source of ground alarm?
1
reply
IDEC Communication Error 51478
Posted by Linda Hood on 3 November, 2014 - 4:34 pm
Son is on a location and is receiving an IDEC communication error 51478. he is where any communication is EXTREMELY limited due to the remoteness.
microprocessor card choice
Posted by Luca Gallina on 3 November, 2014 - 12:42 pm
microprocessor card choice
2
replies
Wireless with Micro 1400
Posted by bill on 2 November, 2014 - 2:42 pm
How to link a Micro 1400 through internet?
3
replies
Change Direction of Baldor SBSC1115 Servo Motor
Posted by sbsc1115 on 2 November, 2014 - 5:26 am
How to change the direction of the Baldor servo motor in the Servo Controller SBSC1115?
3
replies
GE-9E Dual Fuel Gas Turbine Turning Gear Run time
Posted by Rokan Uddin on 1 November, 2014 - 12:49 pm
What is the minimum time to run Turning Gear for GE-9E dual fuel gas turbine?
2
replies
MARK VI Turbine with Alarm XMIT
Posted by Fadhel on 1 November, 2014 - 5:54 am
Ge mark vi turbine trip with (ALARM XMIT SUSPENDED. CPU SWITCHED)
2
replies
Distributed Control Systems
Posted by Elias Edv on 31 October, 2014 - 8:14 pm
For a school assignment I want to buy and configure a DCS.
6
replies
Lube oil pressure during speed up
Posted by Mr Handsome on 31 October, 2014 - 5:37 pm
How does the lube oil pressure change during steam turbine speed up?
What Are the Standards in IEC6 1131-2 Type 1/2/3 Sensors
Posted by mariam on 31 October, 2014 - 4:36 am
Looking for the specifications or the standards for IEC6 1131-2 Type 1/2/3 sensors.
3
replies
HMI Firmware for MAGELIS XBT R410
Posted by CHERIF Hamza on 31 October, 2014 - 3:20 am
Problem to upload the firmware to a new HMI MAGELIS XBT R410. the old HMI is Magelis XBT P021110 The PLC is Schneider TSX Momentum
3
replies
Maximum uncertainty When the Recommended Straight Run for an Orifice Plate Flow Measurement Is Not Observed?
Posted by OZI Guy on 30 October, 2014 - 5:37 pm
Is there a published work about expected maximum uncertainty if the recommended straight run for an orifice plate flow measurement is not observed?
E1063 Mirror Image View
Posted by ghate vinod on 30 October, 2014 - 12:04 pm
Messung/Mitsubishi HMI E1063 mirror view of graphics
4
replies
Instrument Learning Materials?
Posted by Dave on 30 October, 2014 - 7:54 am
New instrument engineer, could use some help!
4
replies
Blockage in Impulse Lines/ Filling Glycol
Posted by Nasser on 30 October, 2014 - 3:23 am
What is the best practice when you have blockage in impulse lines for flow transmitter how can clear the blockage? what is the best equipment to fill glycol in level dp cell in both H & L sides?
2
replies
Radar Level Transmitter in Fiber Board Factory
Posted by helen on 29 October, 2014 - 11:06 pm
Is radar level transmitter suitable for fiber board factory?
3
replies
Thermal Efficiency Improvement of a Combined Cycle Power Plant
Posted by Sreesankar J on 29 October, 2014 - 3:18 am
Thermal Efficiency Improvement of a Combined cycle power plant by absorbing excess Flue gas temperature without altering any design parameters.
2
replies
Grounding Current Transformers
Posted by gautam on 29 October, 2014 - 1:17 am
Need for grounding of secondary terminal of current transformer.
3
replies
Why IRP Used for Interface Between DCS and MCC
Posted by VINNY on 29 October, 2014 - 12:50 am
Why is an IRP panel is used between DCS and MCC?
Cathodic Protection DC Cable and Instrument Cable in Same Tray
Posted by Josh on 28 October, 2014 - 11:58 pm
The consequence to run cathodic protection DC cable and instrument cable (most 24 VDC) cable in same cable tray.
1
reply
Useful Instruments for Locating Electrical Faults
Posted by John Correa on 28 October, 2014 - 10:55 pm
Are there some useful technician instruments for finding faults in electrical equipment
7
replies
Issue with a Siemens 331 AI card
Posted by Chris on 28 October, 2014 - 8:31 pm
Experiencing an issue with an output on an AI card. Have a valid analog signal from the field device to the remote I/O PLC, but nothing from there to the control PLC.
Speaker Strobe for Class 2 Div 1 Rated Area
Posted by Bob on 28 October, 2014 - 10:31 am
Explosion proof/dust proof equipment needs
Control Networks
Posted by Haseeb on 27 October, 2014 - 5:50 am
Feasibility of avionics network AFDX in industrial automation solutions where networks like EtherCat is used.
4
replies
Grounding Problem in Siemens DCS
Posted by RAJESH on 26 October, 2014 - 4:50 pm
In DCS panel the resistance measured between power earth and signal earth vary from 24 ohm to 160 ohm in different panels.
4
replies
MODBUS Radio Network
Posted by JIMMY SALDIVIAS on 26 October, 2014 - 10:29 am
How many radio receivers do I need in a MODBUS EIA-485 network using VERIS H8830?
2
replies
Electric Motor Driven Actuator
Posted by Qasem on 26 October, 2014 - 8:10 am
Actuated valve in remote location where no instrument air availability.
5
replies
Sending a Signal from MKV to Emerson DCS Via MODBUS
Posted by mohanad on 26 October, 2014 - 1:48 am
I want to send a signal via MODBUS to Emerson DCS
8
replies
Steam turbine shutdown
Posted by C. Reihl on 25 October, 2014 - 7:52 pm
What is the proper sequence for shutting down a combined cycle plant? Gas turbine or Steam Turbine first?
1
reply
Analog Input Cards for Programmable Logic Controller.
Posted by Mr. Samar on 25 October, 2014 - 2:53 am
PLC card - High Channel density drawbacks.
GE2000 Drive Fault
Posted by Jess on 24 October, 2014 - 9:06 pm
GE2000 Drive Aux Fault 4-Generic Pointable Fault.
1
reply
Thoughts on High Performance HMI
Posted by ih on 24 October, 2014 - 7:56 pm
How to implement the ideas in the book "The High Performance HMI" without meddling in code layer?
Communication Issue Between CRMs_SVR and BOP Controller
Posted by Controm on 24 October, 2014 - 7:23 pm
At CRM1/2_SVR we read DCS data in Toolbox ST but not in Cimplicity. What can be the cause?
3
replies
Flow Measurement Using Load Cells
Posted by Juan Pardo on 24 October, 2014 - 5:20 pm
Measuring the flow coming out of a vessel using only a load cell to control a valve.
2
replies
Improving Polling for Communication Protocol
Posted by SC on 24 October, 2014 - 3:00 am
Polling method efficiency.
4
replies
Modicon and SoMachine Advice Needed
Posted by Curt Wuollet on 23 October, 2014 - 3:21 pm
Need to find a reasonable means of getting to know SoMachine.
2
replies
Using a Linear Actuator
Posted by richtad on 23 October, 2014 - 9:24 am
Using a 12v linear actuator to raise and lower my router mounted in a router table
1
reply
GE MS-6Fa Operations
Posted by Jotang84 on 22 October, 2014 - 8:10 pm
How does generator control modes (Voltage,PF and Var) works and affects generator operations.
Standard Recipes Designation ID
Posted by Gustavo Borda on 22 October, 2014 - 4:28 pm
Is there any rule to designate a process recipes (IDs)?
10
replies
Mark V A6 state
Posted by G.Rajesh on 22 October, 2014 - 12:33 pm
Mark V <C> at A6 state after modify and download IO.ASS and IOCFG
2
replies
Control Valve Fail Action
Posted by xyz on 21 October, 2014 - 6:28 pm
control valve fail action discussion
3
replies
Programming for Modicon Bridge/Mux BM85S485
Posted by Ben Herston on 21 October, 2014 - 5:54 pm
I need assistance in programming a Modicon Bridge/Mux BM85S485. The product is obsolete, and Schneider no longer provides technical support.
3
replies
Convert RMS voltage to Analog signal + Per Unit
Posted by Phantush on 21 October, 2014 - 3:28 pm
Convert RMS voltage to Analog signal + Per Unit
2
replies
Experiences Using Flow Meters From Flow Technology
Posted by Rich on 21 October, 2014 - 3:28 pm
Looking for feedback on flow meters and flow computers from Flow Technology Inc
Bailey ABB IMMFP01 - 02 NVRAM Replacement
Posted by Jack P on 21 October, 2014 - 11:20 am
Has anyone successfully replaced the SVRAM chips in the Bailey Processor modules?
Yokogawa Batch Programming Download Error
Posted by ANWESHA on 21 October, 2014 - 7:56 am
Error while trying to download a recipe on the batch process of yokogawa centum cs3000 software. Error says - "BATCH AUTO DOWNLOAD ERROR Gr.01 01-0008 No.00 Code 5427".
2
replies
Converting a HoneyWell PLC Program
Posted by marinus on 21 October, 2014 - 5:58 am
Convert a PLC Program from HoneyWell to Schneider Electric
1
reply
Electrical Rotating Equipment Training
Posted by Ajiit on 20 October, 2014 - 1:39 pm
Where or how do I find or start training to become a technician for turbines, generators, etc.?
2
replies
Allen-Bradley Ethernet to Fanuc CNC
Posted by David on 20 October, 2014 - 11:26 am
Communicating to Fanuc CNC controller from Allen-Bradley Compact Logix???
4
replies
RS485 to Analog Input Conversion
Posted by cherrypi on 20 October, 2014 - 3:38 am
Is it possible to convert (multiple) readings being transmitted through RS-485 communication to analog signals?
15
replies
Gas Turbine control - Hardware Part Trip of L4
Posted by Neo on 19 October, 2014 - 8:02 am
When Hardware causes the trip of L4
Map of Industrial Control Systems on the Internet
Posted by Jrgen Rose on 19 October, 2014 - 7:38 am
Power Plants on the Internet? Really? The latest research that generated the map is being presented at the 4SICS conference in Stockholm.
Calibration Pressure
Posted by tornatech on 18 October, 2014 - 2:36 am
i need to make setting to pressure in jockey pump controller
1
reply
Capacitor Fuse Blowing
Posted by charz on 18 October, 2014 - 2:35 am
What is the current flowing when one fuse blows in a three phase star connected capacitor bank?
8
replies
High pressure turbine bypass system
Posted by Zouhen on 17 October, 2014 - 5:19 pm
During Turbine Low vacuum Trip what is the position of high pressure turbine bypass control valve
12
replies
Transformer Differential Relay Protection during Open-Phase
Posted by Amrit Pandey on 17 October, 2014 - 4:55 pm
Transformer Differential Relay Protection during Open-Phase. Possibility of the relay to trip during line to ground fault or open conductor outside the zone of the differential scheme?
2
replies
SLC500 Communications with Unitronics PLC
Posted by Rodger on 17 October, 2014 - 1:38 am
Setting up communications between a Unitronics PLC and SLC 500 PLC
5
replies
Changing SRV Valve setting
Posted by 8784597 on 16 October, 2014 - 4:28 pm
I need help to change the set point for SRV open position.
Rotary Die Cutter Help
Posted by Jeremy Ross on 16 October, 2014 - 2:25 pm
Looking for help on an application.
5
replies
Orifice plate tapping -Flange or D, D/2
Posted by instruguy on 16 October, 2014 - 2:19 pm
Which type of orifice tapping - Flange or D, D/2 works best for larger pipes?
1
reply
No Communication with GE Fanuc 90-30
Posted by angel rangel on 16 October, 2014 - 9:17 am
does anybody have ever had troubles with communications with GE PLC Fanuc 90-30?
2
replies
Westinghouse W251B11 wet compression
Posted by Napster225 on 16 October, 2014 - 7:55 am
Power augmentation by direct wet compression on W251B11 gas turbines
7
replies
How Strictly Should the MODBUS Addressing and Data Models Be Followed?
Posted by MikeAtCalidus on 16 October, 2014 - 5:50 am
How flexible can the Addressing and Data Models be with regard to the width and alignment of objects accessed through read/write register functions?
4
replies
Steam Turbine MSV/GV Servo Valve
Posted by zouhen on 16 October, 2014 - 12:44 am
Turbine MSV Main stop valve and GV governing servo valve were damaged and lose functionality in the same period.