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Applications
Topic: PLCs and related questions.
from the Forum department...
Modbus vs. Modbus/TCP Speed
Originally posted by Charles L. on 23 December, 2009 - 11:11 am
Is Modbus/TCP RTU really running at 10M/100Mbps?
New Replies:
Modbus/TCP will be sent at whatever speed your Ethernet connection is. That could be 10Mb (10...
Most implementations i have seen will let you select any baud rate for serial modbus. Disregarding...
Hello, The speed of Modbus transmission is as fast as the slowest element in the chain. You can...
Topic: Continuous process industries, DCS questions.
from the Forum department...
GE Mark VI TMR controller failure
Originally posted by Sha on 15 December, 2009 - 10:56 am
GE Mark VI TMR controller status R & S is boot and T in Failure
New Replies:
What did you did to resolve the problem? ...
The problem is resolved. You can close this issue. Thank you very much for your support....
GE Mark VI TMR is used in GT and it is running with 120VDC power supply, The system was running...
You have not provided nearly enough information for anyone to make an educated response to your...
Originally posted by Ayman Kamha on 15 December, 2009 - 2:21 am
Poor performance of butterfly valve when used as flow control tool
New Replies:
We are still waiting for a sketch, your description is too hard to understand but it sounds as...
Topic: Engineering and workplace issues.
from the Urgent issue! department...
Bosch CNC Lathe
Posted by shabbir on 22 December, 2009 - 7:21 am
trying to retrofit the cnc lathe, which have alpha 2 control
Topic: Software, including programming, OS issues, etc.
from the Software department...
SAIA PCD4 Software
Posted by Faisal on 19 December, 2009 - 2:37 pm
Does anyone have SAIA PCD4 programming tool, or where can i get it free.
Topic: Engineering and workplace issues.
from the Electrical department...
Earthing and NGR Resistance
Originally posted by Hussain on 18 December, 2009 - 2:56 am
Connecting neutral of both transformer to earth and what is the NGR Resistance
New Replies:
Responding to Hussain's 18-Dec-09... as first step have you determined total capacitance-to-earth...
Topic: Application Questions and Problems
from the Forum department...
TTXMV4 rung in MKV
Originally posted by Eng. Ali on 16 December, 2009 - 2:57 pm
How this rung work?
New Replies:
Hi Ali, You can study the Mark-5 manuals given to you from GE. It's described in the manual that...
While we are waiting for a better explanation, Eng. Ali, create three User Defined (Demand)...
Topic: Engineering and workplace issues.
from the Forum department...
Digital Potentiometer
Originally posted by bman on 17 December, 2009 - 7:42 pm
Is there a way to replace this manual potentiometer with a remote 4-20mA receiver?
New Replies:
It's probably a pot. If so, then you will need a voltage signal, not a current signal. If your PLC...
http://en.wikipedia.org/wiki/Digitally_controlled_potentiometer...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Problem with S7 and C# (VB) Application
Originally posted by Emil on 13 September, 2009 - 4:41 pm
Problem with receive data form PLC to the buffer using C# or VB language.
New Replies:
Emil, If I can recommend something then I would purchase a SIMATIC NET S7-lean driver. ...
Topic: Communications systems and equipment.
from the Software department...
Polling functions
Posted by Prasanth Vijayan on 17 December, 2009 - 11:02 pm
Polling function in Modbus
Topic: Communications systems and equipment.
from the code works for commport but not convertr department...
USB to Serial Converter Problem on VB6
Originally posted by Robbie on 13 December, 2009 - 8:18 pm
How can I make this work? Serial port connected to keypad module doesn't communicate via usb converter
New Replies:
By Gabriele Corrieri on 16 December, 2009 - 4:48 pm -
Hello Robbie, my point of view is that the USB to serial converter doesn't meet the right...
Topic: Open interfaces, software and hardware
from the Forum department...
Weather/Security system using SNMP.
Originally posted by jh on 3 December, 2009 - 11:30 am
Assistance on sensing wind velocity and wind speed using analog inputs to an Ethernet I/O controller.
New Replies:
There actually are a few people using SNMP for remote I/O monitoring although it isn't terribly...
Topic: PLCs and related questions.
from the Ge fanuc PLC department...
GE Rx3i PLC system and Motorized Valve
Posted by Jagdish on 16 December, 2009 - 12:19 am
Is GE Rx3i PLC system able to operate Motorized Valve
Posted by Lee on 15 December, 2009 - 8:29 pm
I'd like to bypass the motherboard on a treadmill
Topic: Computers in manufacturing; also hardware discussion.
from the Forum department...
serial comm with vba in ms-access
Originally posted by vbdummy on 10 December, 2009 - 3:42 pm
have to click the command button twice to acquire the data from the serial port
New Replies:
i don't think there is a problem with your code. one thing that i typically do for serial comms is...
Topic: Application Questions and Problems
from the Maintenance department...
Upgrading Intouch Application
Originally posted by DAMENE Amar on 1 December, 2009 - 4:19 am
How to upgrade an intouch application
New Replies:
Certain steps you take will assure a seamless transition of Wonderware. In your old system, open...
Upgrading is normally not a problem - Load InTouch 7.1 on your PC and try to open the application...
I think we're all trying to figure out how you're compressing electricity.... Seriously, though,...
I am waiting for help....
Topic: Communications systems and equipment.
from the Forum department...
Modbus master
Originally posted by Arun on 14 December, 2009 - 3:54 am
Need a Modbus master to test my modbus slave code
New Replies:
Thank you everybody, for the suggestions given till now......
For Windows applications, check out Automated Solutions website. Modbus Master ActiveX Control...
Topic: Application Questions and Problems
from the Forum department...
Intermittent duty - explanation
Posted by Mik on 15 December, 2009 - 9:09 am
Need an explanation of intermittent duty of motor actuators.
Topic: Engineering and workplace issues.
from the Instrument department...
Exia junction box certification
Posted by PC on 15 December, 2009 - 6:35 am
Exia junction box certification
Topic: Application Questions and Problems
from the Instrumentation & Control department...
Dilemma with Honeywell's TPS/TDC3000
Originally posted by Rahul P Sharma on 26 July, 2007 - 10:43 pm
Dilemma with Honeywell's TPS/TDC3000
New Replies:
Good morning ... i have a problem with our GUS. why the integrated keyboard not function for my...
Topic: Continuous process industries, DCS questions.
from the commissioning department...
RTD signal interference
Originally posted by PK Kochi on 14 December, 2009 - 4:53 am
RTD signal interference from temp scanner power cable
New Replies:
This is a very common problem but usually easily fixed. Provide a Metal Oxide Varistor across the...
Topic: Programming languages.
from the Programming languages department...
How To Excute the DOS Commands in Visual Basic
Originally posted by Anonymous on 25 August, 2005 - 2:40 pm
i can't run the DOS commands in VB programs. Please help me.
New Replies:
hey guys, i'm trying to build a program in VB 2008 express edition that will run the command...
Topic: Power generation equipment control.
from the Cleaning Live DCS Cabinets department...
Static Safety
Originally posted by socom on 13 December, 2009 - 9:20 pm
Elimination static build up while cleaning control cabinets.
New Replies:
I use an Electronic Service Vacuum made by 3M. They are pricey but are designed for cleaning...
Topic: Engineering and workplace issues.
from the Forum department...
choosing a proper circuit breaker
Posted by jupiter on 14 December, 2009 - 2:28 am
I want to choose a proper kind of circuit breaker for power distribution unit in a project.
Topic: Engineering and workplace issues.
from the Forum department...
Inertia Mismatch - Flywheel Energy Storage
Originally posted by Skyman on 10 December, 2009 - 2:15 pm
Flywheel Energy Storage - Motor to Load Inertia Mismatch
New Replies:
The another problem, except tuning of system with such very high mismatch, would be...
Topic: Continuous process industries, DCS questions.
from the Forum department...
CPU 313 And OP 17 dp problem
Originally posted by PLC on 12 December, 2009 - 9:31 am
Problem in network between CPU 313 and OP 17 DP. OP 17 DP is rebooting periodically.
New Replies:
By Gabriele Corrieri on 12 December, 2009 - 3:06 pm -
Hello I've opened several OP7, the hardware inside is the same, or little different. First...
Topic: Communications systems and equipment.
from the Microprocesors and microcontrollers department...
Modbus slave with 8051 microcontroller
Posted by Fatos on 12 December, 2009 - 4:16 am
New to Modbus want, to set up a slave with a 8051 microcontroller.
Topic: Continuous process industries, DCS questions.
from the Valve Lable Polishing department...
4-20ma signal generator help
Originally posted by Kimo Makena on 10 December, 2009 - 4:31 pm
I am looking for a way to control a 4-20 ma analog input from 2 push buttons on a NEMA 7 panel.
New Replies:
By explosion proof, you mean your panel is a cast and bolted type such as Killark or Crouse-Hinds,...
How about a little 3" Modbus/RTU Master LCD/keypad connected to a Modbus/RTU slave 4-20mA...
Topic: Human-Machine Interface and SCADA.
from the System Integration department...
Proface HMI with Siemens PLC
Originally posted by @cKyeap on 3 December, 2009 - 7:55 am
DB addressing DataType as S5timer conversion to Proface.
New Replies:
By Pro-face America support on 11 December, 2009 - 4:35 pm -
The S5TIME data type is a unique Siemens timer format consisting of 8 bytes. The first byte...
Topic: Human-Machine Interface and SCADA.
from the Rebuilt Mark5 HMI not working department...
Rebuilt Mark5 HMI not working, TCI won't start, error 1331
Posted by BorrelliMD on 11 December, 2009 - 2:52 pm
3 unit Mark5 with an HMI at each unit and a server HMI in control room. I rebuilt the server HMI and am unable to get TCI, or the project, to start.
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