Today is...
Wednesday, January 28, 2015
Welcome to Control.com, the global online
community of automation professionals.
Advertisement
Featured Video...
Featured Video
EtherCAT with CTC’s master lets your multivendor network play well together...
Advertisement
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive
Forum Archive
1
reply
High Current No power on Generator Engagement
Posted by 11sas11 on 17 February, 2012 - 5:02 pm
When we parallel to the grid after 2 minutes or so the 100 A breakers drop out. We have only been outputting around 1 ~4 kW
1
reply
Aldeley Flow Computers
Posted by Sam on 17 February, 2012 - 1:44 pm
Configuration of Alderley E2000 Series
5
replies
Random Serial link Fault in Preferred Rack of LM-Honeywell PLC
Posted by Automation Engineer on 17 February, 2012 - 5:22 am
Getting random serial link Fault in Preferred Rack of LM.
Suicide Active in only one controller on Mark VIe
Posted by MKVIE on 17 February, 2012 - 1:59 am
Reg3_Suicide_T is only active for one of the Mark-VIe controller which drives gas turbine.
Card Assessment
Posted by tukanginsinyur on 16 February, 2012 - 9:58 pm
Card assessment for any cards from different manufacturers
1
reply
HMI won't transmit serial data
Posted by AJ on 16 February, 2012 - 6:52 pm
XBTGT2330 HMI won't transmit data to my Microcontroller via Modbus RTU using RS232
Mvar swings
Posted by eric enquist on 16 February, 2012 - 2:02 pm
Sudden mvar swings
About SMART
Posted by seshu on 16 February, 2012 - 6:54 am
Can anyone brief me about smart just as an hart
10
replies
unable to start gas turbine
Posted by ahdash on 16 February, 2012 - 4:42 am
Frame 5 mark II GT we still unable to start the machine
RS485/RS422 Topology
Posted by Mark Levin on 16 February, 2012 - 2:17 am
RS485/RS422 is a network in a linear.
4
replies
Remote Start for Diesel Firewater Pump
Posted by Hamid on 16 February, 2012 - 1:38 am
Is it OK for a diesel driven fire pump to have a manual remote start?
3
replies
Open PLC Update
Posted by Lee Engler on 15 February, 2012 - 10:49 pm
Need Open PLC Update.
synergy inverters
Posted by jm henderson on 15 February, 2012 - 3:14 pm
I am trying to adjust Grid Cut-off Voltage higher I have a Modbus communication card
TCP QPI Series Manual
Posted by Glenn on 15 February, 2012 - 2:18 pm
Looking for TCP QPI Series manual
10
replies
How to connect a Modbus slave device to PC when its address is unknown
Posted by Hafeezullah on 15 February, 2012 - 12:10 pm
Modbus RS485 to PC
1
reply
3 phase squirrel cage Induction motor
Posted by vinayak on 15 February, 2012 - 7:58 am
How to change 3 phase A.C. motor direction automatically?
Atomizing Air Compressor Quill Shaft Drive
Posted by U65 on 15 February, 2012 - 6:52 am
How Atomizing Air Compressor Quill shaft is driven by Accessory Gear Box main shaft (shaft no 3 In Board)
Transfering register values from Mitsubishi Plc to delta plc
Posted by Manojkumar on 15 February, 2012 - 4:33 am
How to transfer the data/register values from Mitsubishi Plc to delta plc
2
replies
How to convert Intouch 5.6 to Intouch 7.1
Posted by DAMENE on 15 February, 2012 - 4:32 am
Converting an application developed with Intouch 5.6 to Intouch 7.1
1
reply
Modeling Issues
Posted by Petar on 14 February, 2012 - 6:43 am
Help with modelling
Communicating S5 PLC with Profibus as a slave device
Posted by Arun Pai on 14 February, 2012 - 5:42 am
Communicating S5 135U PLC on Profibus as a slave device
3
replies
Jumper Setting in Zip Drives for Honeywell TPS
Posted by Automation Engineer on 14 February, 2012 - 1:57 am
Can anybody suggest Jumper Setting in Two Zip Drives mounted in single US Station for Honeywell TDC-3000/TPS ?
1
reply
Power plant governor
Posted by navdeep on 13 February, 2012 - 10:16 pm
How does a governor work
Frame 6 Dual Fuel (Gas/Fuel Oil) Conversions
Posted by Terry Meikle on 13 February, 2012 - 4:15 pm
Experience in converting Frame 6 B's to dual fuel (NG/Fuel Oil)
Connecting to a TriStar TS-60 through an MGate Device with C Sharp
Posted by Mike Shanafelt on 13 February, 2012 - 2:08 pm
How do I connect to a Morningstar TrStar TS-60 device through an MGate Serial to Ethernet controller using code (preferably C#).
1
reply
pid controller
Posted by ashutosh on 13 February, 2012 - 1:33 pm
possible causes of fluctuations in PID controller output....
1
reply
GE Cimplicity Data Logging
Posted by James on 13 February, 2012 - 12:10 pm
Turning off or deleting data logging into the pointlog.mdb
1
reply
3ph 600v input line reactor with audible noise one side
Posted by strangepeade on 13 February, 2012 - 5:18 am
3ph 600v input line reactor with audible noise one side
Vigor PLC
Posted by H.Sad on 13 February, 2012 - 4:53 am
Cictect connection to the Vigor PLC
P&ID Examples
Posted by Carroll MacDonald on 12 February, 2012 - 12:19 pm
New to P&ids. Looking for some sample files for either Visio or SmartDraw.
Timer Relay Logic Question
Posted by Sergio Garcia on 12 February, 2012 - 12:09 pm
Timer Relay Logic Question
5
replies
Modbus RTU
Posted by AJ on 11 February, 2012 - 9:57 pm
Need help to interface a Schneider-Electric HMI with a PIC18F4550 microcontroller
7
replies
G.E frame 6 mark 5 MS6001B
Posted by suhail on 11 February, 2012 - 3:19 pm
G.E frame 6 mark 5 ms6001b gas turbine gas manifold red hot
2
replies
BBC Procontrol Decontik K
Posted by www.eon.com on 11 February, 2012 - 3:51 am
Looking for BBC Decontic K parts
4
replies
DCC ERROR ACCUMULATION IN MARKV AND COMMUNICATION LOSS
Posted by RP on 10 February, 2012 - 11:05 pm
ARCNET COMMUNICATION LOSS TO <I> PROCESSORS IN A NETWORK OF <I>, AFTER DCC ERROR ACCUMULATION AND QST DPM TIME OUT MESSAGES IN <C> PROCESSOR
3
replies
Siemens S7 412-1 can't go online
Posted by Safety Guy on 10 February, 2012 - 3:03 pm
Cannot go online to Siemens S7 412-1 CPU
2
replies
VB.net, S7Prosim and PLCSIM communication
Posted by superbmz on 10 February, 2012 - 6:08 am
need a sample code VB.net to read/write in PLCSIM using VB.net
1
reply
Profibus to Modbus
Posted by Wade on 9 February, 2012 - 11:50 pm
Profibus to Modbus Conversion for Simatic S5
Perform an electrical overspeed test at 9FB GT
Posted by d.pok on 9 February, 2012 - 8:21 pm
Electrical overspeed test for GE 9FB Gas Turbine A15 Steam Turbine in single shaft.
6
replies
Communicating with Intellisys Controller using Modbus
Posted by mordehy banai on 9 February, 2012 - 4:01 pm
Communicating to an Intellisys controller using Modbus RS485
3
replies
Relocating inaccessible liquid service flow transmitters
Posted by afilak on 9 February, 2012 - 1:44 pm
Relocation of inaccessible liquid service flow transmitters to ground level.
1
reply
Rockwell On Turbine Controls
Posted by Hawkes on 9 February, 2012 - 1:09 pm
Has anyone had any experience with the use of Rockwell Logix 5000 or Yokogawa DCS for Steam or Gas Turbine Controls including Excitation control?
9
replies
Diesel Generator tripping
Posted by pmmeeran on 9 February, 2012 - 11:11 am
Cummins Diesel Generator Trips when supply extended to load.
5
replies
Recommend a Mutimeter
Posted by R Garnett on 9 February, 2012 - 10:17 am
Please Recommend A Multimeter
1
reply
Getting Data from a PLC Automatically
Posted by Kevin on 9 February, 2012 - 10:12 am
Collecting information automatically from an Omron PLC
2
replies
Motorola ACE3600 to A-B drive
Posted by Fred Chwalek on 9 February, 2012 - 7:54 am
Motorola ACE3600 communicating to two (2) A-B Powerflex 753 w/RS-485 DF1 adapters. Only address 1 will respond.
3
replies
communication error for omron cpu
Posted by k_g on 8 February, 2012 - 6:52 pm
How to know what type of fault (error ERR) is indicated by Omron plc
grounding high leg delta systems
Posted by john r regalia on 8 February, 2012 - 3:19 pm
no equipment ground anywhere
2
replies
SIL & Safety
Posted by Safety Guy on 8 February, 2012 - 3:12 pm
Nice website for SIL & Safety
5
replies
Configuration Software for Rosemount Tx's
Posted by Nick on 8 February, 2012 - 12:01 pm
Alternatives to Emerson AMS software for a configuration tool
stepper motor program with BR Automation
Posted by donbonino on 8 February, 2012 - 12:00 pm
How to program simple movement of stepper motor in Automation Studio 3.08
1
reply
Designing graphics using WinCC
Posted by Asif_73 on 8 February, 2012 - 6:38 am
Undergraduate student trying to make HMI using WinCC
Control technique for low band w systems
Posted by Pavan on 8 February, 2012 - 5:02 am
What is the best modern control technique to be used for low band width systems?
2
replies
Multivariable control system
Posted by mailman on 8 February, 2012 - 4:04 am
How to set-up a multivariable control system with interdependent output variables
Types of Turning gear systems
Posted by Surya on 8 February, 2012 - 1:40 am
types of turning gear systems available
9
replies
ESD thru MODBUS??
Posted by PANDU on 8 February, 2012 - 1:17 am
Is ESD thru modbus is ok??
LOAD TUNNEL TEMPERATURE SETTINGS
Posted by EDMUND Y. ADU on 7 February, 2012 - 4:01 pm
WHAT SHOULD BE THE MAXIMUM ACCEPTABLE OR ALLOWABLE LOAD TUNNEL TEMPERATURE OF GE FRAME 9 GAS TURBINE?
1
reply
GE FRAME 9 FLAME-OUT TIME
Posted by EDMUND Y. ADU on 7 February, 2012 - 3:48 pm
REASON FOR THE 8 MINUTE TIME SET FOR FLAME-OUT FOR GE FRAME 9 GAS TURBINE AFTER SHUTDOWN?
3
replies
Standard on fuses / isolation protection for field intruments
Posted by bman on 7 February, 2012 - 1:45 pm
What is the industry standard on short circuit protection or low voltage protection?
4
replies
Installation of a new PLC between machine and existing PLC to improve reliability
Posted by instrument_guy on 7 February, 2012 - 6:28 am
Planning to install a new Allen Bradley PLC in between my existing vendor provided PLC-5/40C and compressor machine. The purpose is to implement TMR on the machine and do not modify anything on Vendor provided PLC-5/40C.
GE machine Fuel Temperature trip on Start up
Posted by Bhadresh Chauhan on 7 February, 2012 - 4:48 am
GE machine Fuel Temperature trip on Start up on around 20% speed
power saving
Posted by chalke on 6 February, 2012 - 11:03 pm
saving electrical power which is wasted in heat of water immersed/air-cooled resistors during testing of Diesel Electric Locomotive by converting the same match the Busbar V & Frequency
3
replies
Difference between legacy and current MODBUS standard
Posted by Ben on 6 February, 2012 - 7:05 pm
Differences between "MODBUS Over Serial Line" (legacy standard) and the current "Modbus Serial Line Protocol and Implementation Guide V1.02"
2
replies
Temperature Monitoring for Rotating Contacts
Posted by ben galay on 6 February, 2012 - 6:41 am
Temperature Monitoring for Rotating Contacts
3
replies
Fuel Air ratio
Posted by Harish on 6 February, 2012 - 5:02 am
Relation between fuel and air mass flow rate
1
reply
Simulation software for cogeneration plant
Posted by ASHISH on 6 February, 2012 - 1:09 am
Simulating a cogeneration plant for my research project
7
replies
HMI Data display problem
Posted by ESKAY on 5 February, 2012 - 5:10 am
Under Motor status display page, the status of Dc Emergency lube oil pump running is not shown in the status target display.
1
reply
Running Stepper motor to Siemens PLC
Posted by Delta_V on 5 February, 2012 - 12:57 am
I want to run a stepper motor and use 4 solid state relays instead of a motor driver.
2
replies
hmi for power plant controls
Posted by sandy on 4 February, 2012 - 12:12 pm
common hmi for machines with different control systems
Power Generation Cost
Posted by power plant on 4 February, 2012 - 7:48 am
gas turbine and HRSG efficiency calculation
2
replies
mark vi, VCMI dignostic alarm
Posted by uj on 4 February, 2012 - 2:48 am
VCMI card having diagnostic alarm - "GCV NOT FOLLOWING REF. TRIP"
OPC Surrogate
Posted by Cris Ruiz on 3 February, 2012 - 6:09 pm
OPC Communication has a process called OPC Surrogate, what does it really mean?
3
replies
Magnetrol Displacer serious problem
Posted by moreno on 3 February, 2012 - 3:40 pm
Magnetrol Level Displacer never worked
8
replies
Earth Fault Protection
Posted by MUHAMMAD KASHIF IDREES on 3 February, 2012 - 12:10 pm
Will new ring core arrangement work for earth fault protection?
7
replies
MARK-V
Posted by ALI on 3 February, 2012 - 10:00 am
Gas Turbine Load/IGV hunting at 75 to 85MW in winter.
M340 communication problem
Posted by Kenny on 3 February, 2012 - 5:10 am
M340 ethernet messaging problem, trying to communicate with 100 devices.
twido write modbus
Posted by manurung on 3 February, 2012 - 4:04 am
modbus twido
S7300 Analogue Input Card 4/2 Wire
Posted by Author on 3 February, 2012 - 2:33 am
Why Can a 2 wire instrument still read correct when it is connected to a Siemens S7 300 Card Configured as 4-Wire?
Power Turbine Speed
Posted by GE on 3 February, 2012 - 1:21 am
If load connected to Power Turbine suddenly get OFF will Power Turbine Speed will get Overshoot.
Power plant efficiency
Posted by power plant engineering on 3 February, 2012 - 12:56 am
Calculating overall power plant efficiency
Replace old Siemens Positioner feedback
Posted by Jonas on 2 February, 2012 - 12:04 pm
Replace old Siemens Positioner feedback
5
replies
Twido master with 2 slaves
Posted by Marius on 2 February, 2012 - 2:56 am
I'm trying to establish communication between a Twido working as a master and two Modbus devices
Analyzing PID algorithms
Posted by willy on 1 February, 2012 - 11:25 pm
Using numerical integration methods to obtain several discrete pid algorithms; need several case studies to analyze these discrete algorithms
3
replies
Need a POE Switch
Posted by Needy one on 1 February, 2012 - 7:32 pm
Need a POE Switch or Injector
16
replies
Why exhaust Temperature curve is negative
Posted by aliya on 1 February, 2012 - 12:37 pm
How negative temperature control curve keep firing temperature constant
1
reply
Emergency station shutdown system
Posted by Mark on 1 February, 2012 - 10:23 am
What is the methodology of Emergency station shutdown system of a compression system
4
replies
Compactlogix 1769 L32E program lost
Posted by hans on 1 February, 2012 - 2:50 am
What reasons can cause compactlogix program lost and how to prevent it reoccurring?
Hyosung Motors on Vertical Pumps
Posted by RickTest1 on 31 January, 2012 - 4:07 pm
Vertical pump motors.
3rd party HMI for Honeywell Safety Manager
Posted by steve on 31 January, 2012 - 3:14 pm
3rd party HMI for HW Safety Manager
3
replies
Freely available BACnet browser?
Posted by Jim M on 31 January, 2012 - 2:43 pm
Does anyone know of a freely available BACnet browser
2
replies
Indramat Faults
Posted by asims on 31 January, 2012 - 1:33 pm
Having Indramat problems on startup of line
Gas sensor interfacing
Posted by charchil on 31 January, 2012 - 12:47 pm
Detecting co2 or alcoholic gas
HP control valve hunting in Stean Turbine
Posted by hiten on 31 January, 2012 - 12:25 pm
HP control valve hunting in Steam Turbine.
6
replies
TBQD card problem in S processor
Posted by prasath on 31 January, 2012 - 9:49 am
Problem in TBQD card in S processor in Mark-v
Twido SMS commands
Posted by Muhammad Asim Khan on 31 January, 2012 - 3:06 am
Twido SMS using TWD NAC 232D & PLC GSM Modem SR2MOD03
1
reply
Intrinsic Safe barrier for Class1, Div 1 only?
Posted by Bhaskar Mittal on 30 January, 2012 - 10:18 pm
Is IS barriers required for Class I, Div. 1 and not necessary for Class I, Div. 2, as per Canadian Electric code Book?
2
replies
Sensor Drift
Posted by EagerLearner on 30 January, 2012 - 9:55 pm
newly installed pH sensor show drift in the reading
2
replies
Typical salary for an instrumentation maintenance supervisor
Posted by Kyle on 30 January, 2012 - 5:53 pm
Question: What is a typical salary for an instrumentation maintenance supervisor?
4
replies
Alarm viewer not working in HMI
Posted by Mohamed Salem on 30 January, 2012 - 2:38 pm
Alarm viewer not working in HMI
1
reply
Steam turbine Max DNA
Posted by bab on 30 January, 2012 - 11:55 am
In steam turbine controls of Max DNA, TSLLE.