Today is...
Saturday, February 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
2
replies
Reading AMP Draw 230 VAC 1 ph
Posted by Jay Johnston on 13 March, 2012 - 1:31 pm
Load on an item is rated MAX AMP or FUSE SIZE 40 AMPS. Would each leg read 20 AMPS on a 230 VAC 1 PH?
1
reply
Can Analogue Inputs on FX2n 4AD be powered by Input device
Posted by Stroller on 13 March, 2012 - 7:46 am
Trouble getting analogue into PLC from Elpro 105u-1 Wireless Transciever
2
replies
Mk6 control system
Posted by ESKAY on 13 March, 2012 - 5:55 am
Tripping of turbine while executing "Master Reset"
Gearing on 1500 KW Motor
Posted by Ali on 13 March, 2012 - 4:28 am
Controlling the high torquing and beneficiary on 1500 KW Motor
1
reply
PeakHMI
Posted by Jhon on 13 March, 2012 - 3:46 am
PeakHMI and its ODBC feature
1
reply
Open Loop Control System
Posted by Gabriel Baca on 13 March, 2012 - 2:57 am
I have a project where I am supposed to design an open loop control system. I have no idea what to do, help!
TCP_IP_ADDR and Momentum PLC
Posted by Steve Judkins on 12 March, 2012 - 9:00 pm
Need help configuring TCP_IP_ADDR for a Momentum PLC.
1
reply
Scada Alarm Clearing Itself
Posted by Todd Hinzman on 12 March, 2012 - 2:59 pm
Why is this alarm clearing itself?
6
replies
over heating of induction motor
Posted by sakthivel on 12 March, 2012 - 1:03 pm
Even though the motor is taking normal current its heating abnormally and that motor is not heating while it was connected with a 4KW pump
Flame Detector Output as Count
Posted by MURALI on 12 March, 2012 - 10:18 am
Why is flame detector output written as count?
axial flow compressor mass flow calculation
Posted by Afzaal on 12 March, 2012 - 10:17 am
To find out the mass flow of axial flow compressor of our gas turbine
11
replies
HRSG
Posted by DRP on 12 March, 2012 - 8:26 am
High Flue gas exhaust temperature
3
replies
Using prosoft MV169-MCM to carry out MODBUS communication
Posted by hans on 12 March, 2012 - 5:15 am
How to program in the logix5000 to carry out Modbus function by using prosoft MV169-MCM?
ASI Valve operation and address configuration
Posted by Venkat on 12 March, 2012 - 4:20 am
Need help regarding the operation and address configuration of ASI valves
Scadapack32 RTU
Posted by Khalid Faridi on 12 March, 2012 - 1:54 am
Displaying ScadaPack32 RTUs data in DeltaV DCS
1
reply
Lubricating Oil level for Gas Turbine
Posted by VRRAO on 11 March, 2012 - 7:08 am
minimum oil level for MS6001B gas turbine
8
replies
Firing Temperature
Posted by abrahash on 11 March, 2012 - 6:25 am
Firing Temperature 9E- different Fuel
6
replies
HMI and monitoring in Potato Chip Factory
Posted by iman on 10 March, 2012 - 3:16 pm
what networks can we use in HMI and monitoring systems in a potato chip factory?
2
replies
PLC to control VFD
Posted by RP on 10 March, 2012 - 1:59 pm
PLC to control clothes extractor
Finding yokogawa Centum CS spare
Posted by Dinster on 10 March, 2012 - 10:25 am
Where to find spare parts for Yokogawa Centum CS
5
replies
Modbus communication with Siemens PLC
Posted by Rockwell Automation on 10 March, 2012 - 6:11 am
Looking for Modbus TCP/IP to communicate with Siemens PLC
9
replies
VSVO card in Mk6 controller
Posted by ESKAY on 10 March, 2012 - 1:03 am
Can I make use of the VSVO card at slot#7 as the spare card is NOT currently available?
1
reply
Bailey INFI-90 system with IMHSS03 and IMDS004 modules
Posted by thread on 9 March, 2012 - 10:56 pm
Would Baily INFI 90 system have any value with IMHSS03 and IMDS004 modules?
3
replies
LVDT application
Posted by pankaj mathuria on 9 March, 2012 - 12:11 pm
i want to know whether a lvdt (linear variable displacement transducer) can be used for flow measurement of a fluid if the flow is converted to variation in displacement.
4
replies
Oil contamination on turbogenerator windings and rotor
Posted by Mark on 9 March, 2012 - 10:04 am
What is the effect of oil contamination on a turbogenerator windings and rotor?
11
replies
Reading/writing to/from iPad/PLC
Posted by Dave H on 8 March, 2012 - 5:32 pm
Question about communication between iPad application and a PLC.
1
reply
RMV 9000 printing trouble
Posted by Dan on 8 March, 2012 - 2:52 pm
Rosemount RMV 9000 system only prints the very top and bottom of the page omitting the middle.
4
replies
Oversize VFD
Posted by Rottenrik on 8 March, 2012 - 12:43 pm
Disadvantages of oversizing my VFD by a couple HP?
4
replies
Master & Slave at the same time
Posted by Cherokee on 8 March, 2012 - 10:12 am
Can a device be a Modbus master and a Modbus slave simultaneously?
1
reply
how can i convert vb to ladder?
Posted by mahmoud dwedar on 8 March, 2012 - 9:57 am
Converting a VB open source to ladder
1
reply
Prolinx 5105-MCM-PDPS
Posted by Me on 8 March, 2012 - 8:10 am
Transferring information from prolinx- 5105-MCM-PDPS- Gateway unit to communicate via profibus to a S7315-2DP. Can access the mailbox area, but not to transfer to a user defined address.
Drafting standards
Posted by Shezana on 8 March, 2012 - 5:54 am
Drawing standards to comply with when preparing GA, PD and MW drawings in a project.
Writing Modbus data to file
Posted by Hafeez on 8 March, 2012 - 5:53 am
how to write data from modbus slave to data file using LabWindows/CVI
6
replies
IGV Problem
Posted by jigs99 on 8 March, 2012 - 3:53 am
GE Frame 6B IGV stuckup.
Mk6 screen data page
Posted by ESKAY on 8 March, 2012 - 3:09 am
Status and dynamic data is lost in the screen of Mk6.
YASKAWA V1000 Multi function input
Posted by Darryll on 7 March, 2012 - 6:08 pm
what is the use of S5 &S6 multi step speed contact in multi function digital inputs? and what parameter we will input?
3
replies
Profibus with a SLC 500?
Posted by R Vaughan on 7 March, 2012 - 11:30 am
Addressing schemes? Using Profibus I/O with a SLC 5/04. How do I set this up?
PROFIdrive communication with PLC
Posted by Barkouky on 7 March, 2012 - 9:34 am
Codesys program for PROFIdrive
Looking for a 75bar motor operated governof for hydro turbines
Posted by Namatimangan08 on 6 March, 2012 - 11:27 pm
Looking for information about a direct motor operated governor
Control valves/choke valves
Posted by Paddy on 6 March, 2012 - 6:19 pm
P1 changes but % open remains unchanged what happens to P2??
help on my project on Temperature monitoring and control system of the refrigerator
Posted by akulet joseph on 6 March, 2012 - 6:04 pm
this message is basically for help on temperature monitoring and control system for the refrigerator.
7
replies
Using GE's OC 4000 DCS
Posted by R.Jayapal on 6 March, 2012 - 4:48 am
All the Vendors claim their offering is a true DCS. What about GE's OC 4000 DCS?
2
replies
modbus network analyzer
Posted by peter mburu on 6 March, 2012 - 2:10 am
modbus network analyzer
Interface with Contronic E
Posted by Kalidas on 6 March, 2012 - 1:33 am
Interface with Contronic E
1
reply
ABB Total Flow Modbus Communications
Posted by Joe on 5 March, 2012 - 6:36 pm
Modbus Communication Between Altronic DE-3000 and ABB Total Flow
4
replies
Connecting RS 485 device to modbus
Posted by P Gerard on 5 March, 2012 - 3:53 pm
I would like to connect by environmental probe that uses RS 485 to a logger that uses MODBUS
Mark V alarm
Posted by Jeff on 5 March, 2012 - 8:19 am
DCC I/O card objID #5 reset alarm
1
reply
Foxboro system Solution provider
Posted by Bala on 5 March, 2012 - 7:49 am
Foxboro system Solution provider
8
replies
Raise and lower turbine speed during load
Posted by Mr on 5 March, 2012 - 2:49 am
Can we raise and lower turbine speed during load
10
replies
Connecting two synchronous machines
Posted by bagga on 5 March, 2012 - 2:18 am
Effect of connecting two synchronous machines with different frequencies
5
replies
use of wireless ESD in ship shore loading
Posted by TAwfiq Hamed on 4 March, 2012 - 8:15 pm
Use of wireless ESD between ship and shore during loading of hydrocarbons liquid and gases.
1
reply
AC Servo motor Acceleration Control
Posted by Pourya Shahverdi on 4 March, 2012 - 12:48 pm
How can I control acceleration of an AC Servo motor?
Wonderware Intouch Logging to Excel file more than 8 tags
Posted by esi3 on 4 March, 2012 - 9:24 am
I want to log more than 8 tags to an excel file by using hist_trend wizard in wonderware intouch.
2
replies
Strange 4-20mA pressure sensor readings
Posted by Ron Davis on 4 March, 2012 - 5:22 am
Unusual readings from a 4-20mA signal from a pressure transducer on a water storage tank.
CS3000 and Allen Bradly With Flex I/O comm. Problem
Posted by Amar on 3 March, 2012 - 5:35 pm
Problem in Duplex ALR121 card of yokogawa CS3000 DCS with Redundant ALR121 communicating with redundant Allen Bradly PLC with Flex I/Os. It is showing Red colour in System Status with 1C error. Please reply.
switching network
Posted by John on 3 March, 2012 - 2:32 pm
coin op switch to operate half of the time
1
reply
Delta V Application Deployment
Posted by Khalid on 3 March, 2012 - 1:02 pm
Would like to know if Delta V supports client server architecture in the sense that any development on Engineering Station can be directly reflected on Operation Workstations within a click
3
replies
VH14-1
Posted by KB on 3 March, 2012 - 6:48 am
What is the complete mechanism of Ratcheting Self sequencer VH14-1 of Gas Turbine?
hydraulic Pressure Drop and Resulting Heat
Posted by systemer on 3 March, 2012 - 5:27 am
what happens to the pressure loss is that they converted to the heat if a viscous press. drop exists, what if it is an inertial drop? still heat will
ABB Procontrol P14 Modbus connection
Posted by moh on 3 March, 2012 - 4:12 am
ABB Procontrol P14 Modbus connection Setting
very simple case studies to try out my discretised pid algorithms
Posted by kufre bassey on 2 March, 2012 - 8:05 pm
Just discretised a parallel continuous time pid algorithm. I'm very new to pid i need very simple case studies to check their performance analysis.
2
replies
RSLINX ACCESS THROUGH INTRANET
Posted by Alex Brito on 2 March, 2012 - 1:27 pm
How to gain access to a PLC that is currently connect to an Customer Intranet using a router D-LINK DI-524
GT Hydrogen purity
Posted by vinu on 2 March, 2012 - 6:57 am
Why hydrogen purity to be restricted at 95% itself?
Gateway VB.NET
Posted by Silvano Mattioli on 2 March, 2012 - 5:24 am
Looking for a VB.net Gateway that is easy to develop
6
replies
Control valve not working with high pressure
Posted by Arnel Chumacera on 2 March, 2012 - 1:05 am
Control valve not working properly in service with high pressure on the line
4
replies
4 pole generator rotor failure due to high vibration
Posted by gdd on 1 March, 2012 - 11:51 pm
4 pole generator rotor failure near lead due to high vibration
1
reply
Rule of thumb of determining setpoints
Posted by Whadiya on 1 March, 2012 - 10:04 pm
Determining the pressure switch set point on a process
GE 9E Reject to Part Load
Posted by freelanceng on 1 March, 2012 - 3:49 pm
Investigating GE 9E's Rejecting to Part load/Islanding Capability and fuel transfer times
Time Synchronization by RS232 from Master clock
Posted by BN on 1 March, 2012 - 12:40 pm
Time Synchronization by RS232 from Master clock
3
replies
I term in PID controllers
Posted by engineer on 1 March, 2012 - 11:47 am
the I term in PID controllers - integral time and/or reset time?
2
replies
switch to sense air movement from blower
Posted by Paul Kraemer on 1 March, 2012 - 11:42 am
Please recommend a switch to sense air movement from blower
2
replies
Honeywell C300 PID gap gain
Posted by Don on 1 March, 2012 - 9:00 am
Difference between Honeywell C300 PID gap gain and the gap gain on Honeywell xPM PID?
Quantum PLC scantime
Posted by Mahesh on 29 February, 2012 - 3:54 pm
Quantum PLC scantime composition
3
replies
ModScan Data Logging
Posted by Adam on 29 February, 2012 - 10:35 am
ModScan : Do you have to stop logging to access logged data?
1
reply
Sealing of high pressure fittings
Posted by Starik77 on 29 February, 2012 - 7:06 am
Seal the fittings, in connection of a Pressure Transmitter
Twido Analogue measurement issues
Posted by Muhammad Asmkhan on 29 February, 2012 - 6:19 am
Twido Analogue TM2AMI4LT, PT 100 measurement issues
Fuel Change over time for GE frame 9E
Posted by szahmed on 29 February, 2012 - 4:25 am
How long does it take for change over from natural gas to HSD in GE frame 9E machines running on Mark VIE
Looking for Wayne Current loop protocol
Posted by Marta on 28 February, 2012 - 5:46 am
Suppliers of Wayne Current loop communication protocol?
Settings for a ring main unit
Posted by Paul Wilkinson on 28 February, 2012 - 5:01 am
HV Settings for a ring main unit feeder and transformer feeders
BACnet Devices
Posted by jc on 28 February, 2012 - 2:55 am
Company which has work with BACnet Devices
3
replies
need advice on PLC project
Posted by sstwilight on 27 February, 2012 - 1:26 pm
how does plc operate on analog inputs? can they perform check of whether the analog input is in the specified range or not? are there such provisions, i.e., of checking, specifying ranges etc?
6
replies
control parameters for PID
Posted by engineer on 27 February, 2012 - 11:02 am
manual reset value for single loop pid controller
Utility consumption
Posted by dont know on 27 February, 2012 - 4:53 am
can anyone explain how to calculate the uility consumption for an on/off valve and cotrol valves.
3
replies
Differential pressure transmitter with recorder
Posted by hans on 26 February, 2012 - 9:29 pm
could anybody recommend brands for differential pressure transmitter with recorder
GE Mark VIe Interface through GSM3
Posted by YKW on 26 February, 2012 - 1:01 pm
Mark VIe communication interface through GSM protocol 3
1
reply
Equipment Selection
Posted by Hike on 26 February, 2012 - 12:28 pm
Wireless transmission of analog signals and readable via MODBUS in PLC
1
reply
got LM629 isa need lm629 usb
Posted by rapidlaser on 26 February, 2012 - 10:55 am
Old Cyberware needs updating
configure alspa c80-75 in wincc
Posted by hadi on 26 February, 2012 - 5:45 am
alspa in wincc
4
replies
Static/Dinamic servo calibration
Posted by Jolek on 25 February, 2012 - 8:19 am
My SVO3 in TMR MKV GT has a constant feedback difference of 4-5% from a reference signal. Its a liquid fuel splitter valve in Dual fuel F9 GE Turbine.
1
reply
level control
Posted by student on 25 February, 2012 - 2:22 am
level control of spherical tank
7
replies
Power system Operations - Myths and facts
Posted by Process Value on 25 February, 2012 - 2:03 am
This is a offshoot of perhaps the most popular thread right now. things were getting a bit messy there and i thought of making a seperate forum topic for clarity. let the raging discussion continue here :)
6
replies
Canopen Protocol issue
Posted by Eng.msamiryusuf on 24 February, 2012 - 1:13 pm
RS-485 is Same as CANOPEN Protocol, I Need a help?
GE Frame V automation
Posted by babu3958 on 24 February, 2012 - 11:04 am
Want know about GE frame V GT automation and the things i should learn in the field of C & I.
4
replies
WEBCAM VIDEO IN CIMPLICITY
Posted by on 24 February, 2012 - 6:45 am
Adding ive video (from the webcam attached to the PC) window in the SCADA screen
5
replies
simulation of HART communication
Posted by tommmyyy on 24 February, 2012 - 4:40 am
simulation of HART communication
7
replies
Wheelspace Temperatures
Posted by DRP on 24 February, 2012 - 1:30 am
High Wheelspace temperatures after MI
20
replies
The Physics of... Interconnecting Power Systems
Posted by Phil Corso on 23 February, 2012 - 7:37 pm
The Physics of... Interconnecting Power Systems
1
reply
power generation
Posted by eskay on 23 February, 2012 - 11:51 am
What precautions and procedures should be followed to switch-off DC power (battery) 120V DC
1
reply
Instrumentation Today
Posted by Rushi Shroff on 23 February, 2012 - 9:38 am
Present trends in automation
5
replies
Modbus data log to excel when it changes
Posted by Ratan on 23 February, 2012 - 9:14 am
Modbus data log to excel when it changes