Today is...
Saturday, December 20, 2014
Welcome to Control.com, the global online
community of automation professionals.
Advertisement
Featured Video...
Featured Video
A quick introduction to EtherCAT for motion control and I/O...
Advertisement
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive
Forum Archive
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.
6
replies
Connecting an Analog I/O Module to a Delta PLC
Posted by Cau on 15 October, 2014 - 4:10 pm
Having problems connecting an analog I/O module to my Delta PLC
4
replies
HMI w/ movable icons
Posted by Steven Smith on 15 October, 2014 - 2:15 pm
Looking for an HMI solution that allows users to drag icons.
2
replies
Second Stage Nozzle Control Failure
Posted by WAC on 15 October, 2014 - 6:43 am
Having nozzle control problem after replacing
Wincc 7.2 Connection to Database
Posted by Stavros on 15 October, 2014 - 3:13 am
Is there a C-script or VB-script for connecting to Oracle database
Calibration problem with ABB TZIDC positioner
Posted by Ankur Gajjar on 15 October, 2014 - 2:51 am
Auto adjust of ABB TZIDC positioner stops in calibration mode with "timeout" error!
1
reply
Maximun nodes of Modbus
Posted by Kevin Fan on 14 October, 2014 - 10:18 pm
What are the maximum nodes and cycle time of Modbus TCP and Modbus RTU on RS485?
2
replies
Interface Level Measurement
Posted by Bong on 14 October, 2014 - 9:16 pm
Measuring interface level for drum boots level
1
reply
S7 Communication with Libnodave Lib
Posted by Krishna on 14 October, 2014 - 9:30 am
Looking for a way to Access data from PLC - CPU S7 300 series DB to Our own VB.Net Application through libnodave Lib.
4
replies
PLC Data Access Using OPC
Posted by Rodney Cox on 14 October, 2014 - 3:44 am
I need help finding resources to help me develop OPC data access to record data to my database. I'm an information systems student new to PLCs and cannot find the necessary resources.
5
replies
Reinstallation of an Orifice Plate in a Pipeline.
Posted by Arafath Ali on 13 October, 2014 - 2:20 pm
How to reinstall an orifice plate in a pipeline after the information regarding the HP and LP side is lost?
4
replies
ISA acquires automation.com
Posted by Bob Peterson on 13 October, 2014 - 2:01 pm
What do others think about ISA acquiring Automation.com?
1
reply
Importance of RF in Automation engineering
Posted by Rushi Shroff on 13 October, 2014 - 12:58 pm
Should I study RF SYSTEM DESIGN FOR WIRELESS COMMUNICATIONS in depth for Industrial Automation?
1
reply
9FA and DLN 2.6+ Combustors
Posted by Jim Crown on 13 October, 2014 - 12:12 pm
Looking for information about dual fuel service for DLN combustors
5
replies
How to Calibrate the Gas Turbine Vibration Sensors
Posted by Any on 13 October, 2014 - 6:29 am
How to calibrate the vibration sensors after removing them before major gas turbine overhaul
3
replies
Modbus TCP / IP Query
Posted by PLC_EIC_Bloke on 12 October, 2014 - 8:07 pm
Setting up Modbus TCP/IP with a single slave and no unit ID
2
replies
Line Monitoring
Posted by DT99 on 12 October, 2014 - 4:55 pm
Looking for some basic information about line monitoring
3
replies
Gas Turbine CEMS Operating Parameters
Posted by vignesh on 12 October, 2014 - 5:46 am
Operating parameters for monitoring gas emissions for gas turbine
2
replies
Changing Careers from Gas Turbine to Combined Cycle Operator
Posted by vignesh on 12 October, 2014 - 5:34 am
How do I change my career from a gas turbine operator to a combined cycle operator?
2
replies
Push In Jumpers for Terminal Blocks
Posted by geoff on 11 October, 2014 - 12:20 pm
Do push-In terminal block jumpers hold up under vibration?
1
reply
Rotating 65fp Fuel Servo
Posted by mohanad on 11 October, 2014 - 7:59 am
Problem with liquid fuel valve opening while unit is running on gas fuel
6
replies
Pump Running Indication on Control Circuit
Posted by Stumped on 10 October, 2014 - 4:19 pm
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
Set Point for Changing Hydraulic Oil Filter
Posted by abdi on 10 October, 2014 - 6:00 am
Difference between catalog recommendation for changing hydraulic oil filter and control system switch