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Member Information and Posts by none
from the AUTOMATION department...
MODBUS TCP/IP communications
Topic: Communications systems and equipment.
Originally posted by GENJUA on 18 November, 2009 - 4:19 am
We are trying to built up communication of power meter pm-710 with egx-100.
New Replies:
In the EGX you have the option (web page) to read parameters from individual devices. Try it one by...
Mark, ya i try with end terminal resistor as well. John Correa, know i am reading only 2...
Only thing that can suggest (by now) is that you change the update rate of your MB_TCP driver. May...
Hello, Jumping in the middle here and I might have missed something. How about termination...
Check the error message type in your EGX100. If the error message is TIMEOUT may be something wrong...
from the EMB department...
Modbus addressing for Function code 01
Topic: Power generation equipment control.
Originally posted by shailendra singh on 20 November, 2009 - 3:18 am
using function code 01 for reading Booleans and from slave side address given 40010 what will our starting address?
New Replies:
Coils are simply numbered consecutively from 0 to 65535 (or 1 to 65536, depending on whether you...
from the MARK IV department...
Calculation process of FSRT in Mark IV
Topic: Power generation equipment control.
Originally posted by Pirate on 9 October, 2009 - 2:59 pm
What is the formula for FSRT calculation in MARK IV?
New Replies:
calculation of FSRT FSRT= ((TTRXB-TTXM)*FSKTG)+ FSR...
from the physical layer department...
Can I use RS232 as a physical layer in CAN Bus?
Topic: Local and wide area networking in factory automation.
Originally posted by ahmed emara on 5 June, 2007 - 5:18 pm
Using RS232 as physical layer in CAN Bus
New Replies:
You can use the IC such as DFL-CAN232, which convert CAN Bus to RS232. Please get detail from...
Topic: Local and wide area networking in factory automation.
Originally posted by Jose Claudeni on 20 November, 2009 - 1:25 pm
Can MODBUS TCP/IP devices share the same infrastructure with Ethernet/IP devices?
New Replies:
Sure, we do it all the time with our Omnii-Comm. www.miille.com/266-P00-Ethernet.pdf Jerry...
from the Automation List department...
Calculating flow from analog input
Topic: PLCs and related questions.
Originally posted by outacontrolman on 19 November, 2009 - 2:23 pm
need help making the logic to perform the calculations to exchange 4-20mA into a pulse output
New Replies:
"I am using a flow meter to measure the GPM and that sends a pulse signal to a converter that...
from the ? department...
Scale and PLC
Topic: Application Questions and Problems
Originally posted by Sosa on 19 November, 2009 - 2:11 pm
Digital Scale and PLC Allen-Bradley
New Replies:
I have used Mettler Toledo on several projects, Devicenet and Ethernet Roy...
GSE (Weigh-Tronix): www.gse-inc.com/ and Mettler-Toledo: us.mt.com/us/en/home.html. both...
from the Forum department...
HMI and MMI
Topic: Human-Machine Interface and SCADA.
Originally posted by Node17 on 20 November, 2009 - 5:16 am
what is the difference between MMI and HMI?
New Replies:
Mamal Machine Interface who could you offend by that?...
Hi, nothing apart from you get sued for being sexiest if sell mmi's. lol...
from the Forum department...
Upgrading from Mark-4
Topic: Power generation equipment control.
Posted by Devil_machine on 20 November, 2009 - 1:13 pm
upgrade of mark-4 control system to a newer version of control system.
from the Applications department...
Honeywell TDC 3000 Connectivity
Topic: Application Questions and Problems
Originally posted by lalas on 19 November, 2009 - 8:47 pm
LCN slow down when connecting TPN server to Matrikon ODH with OPC optimizer on the App-Node
New Replies:
I am very interested to know about your OPC Architecture. OPC Optimizer should help you reduce the...
from the astronomical instrumentation department...
C code on a PLC
Topic: PLCs and related questions.
Originally posted by Wim on 18 November, 2009 - 4:12 am
We are re-implementing the motion control of an astronomical telescope, and need to include complex calculations (in C code) into the position loop.
New Replies:
Hi, we are using LabVIEW too. Solar telescope, and "Pinocchio". Wi/Fi, Wi/Fi cameras,...
> [clip] > 3) on a PC: i.e. implement everything with a PC and linux compatible hardware....
> ==> Automation List post by M Griffin... > [ clip ] > I don't want to give the...
Sounds like a switch to a better supported card would get you going and preserve the work you've...
For each axis you will have a servo motor and drive. The motor will have its own encoder which will...
The first thing I would do would be to ask the other observatories how they are running this...
> Bill Sturm, Once again, it's much easier to do PLC functions on a < I don't know how...
Depending on the time involved and the performance requirements with regards to positioning,...
from the Operation department...
Modbus analyzer
Topic: Communications systems and equipment.
Originally posted by James on 20 November, 2009 - 5:53 am
Searching some Modbus sniffer software. freeware if available.
New Replies:
I have a free WIN32 Console application that diode auctioneers two Async data streams into one...
from the Forum department...
10mA output question
Topic: Continuous process industries, DCS questions.
Originally posted by Hattersuk on 19 November, 2009 - 7:10 am
provide input to a Data Acquisition Unit (DA100) requires 5VDC input with 10mA transistor output
New Replies:
You are not doing any better at describing what you want. You say that the 10ma. output needs to...
Thank you. I don't think i have described this very well. I need to use a 10mA output that i...
Ohms law says current through a resistor creates a voltage drop. R = E/I R = 5V/0.010A R = 500...
10 Ma should be great plenty for several compatible inputs. But knowing they are compatible will...
from the DCS department...
Honeywell Plantscape R500
Topic: Application Questions and Problems
Posted by ady on 20 November, 2009 - 8:26 am
Problem after rebooting the Honeywell Plantscape R500
from the Instrumentation department...
DeltaV I/O Card problem
Topic: Software, including programming, OS issues, etc.
Originally posted by Ghate Vinod on 3 November, 2009 - 1:58 am
DeltaV AO Card Malfunction.
New Replies:
Dear Brian; Actually we didn't download the card. we are using Meco multimeters (very simle...
Hi Ghate, What type of instrument/multimeter did you use to measure the voltage. Did you measure...
from the Automation List department...
PI System in Power Plants
Topic: Power generation equipment control.
Posted by Ranjeet Vaishnav on 20 November, 2009 - 3:26 am
looking to connect with people who have used the PI System in Power
Plants
from the Forum department...
RTD wires
Topic: Engineering and workplace issues.
Originally posted by Melo on 19 November, 2009 - 9:28 am
Can we use the cable shield to connect 4 wire RTD
New Replies:
Definitely not. Three and Four wires connection is for compensate the resistance added by the...
Just configure the receiving instrument for three wire, and snip off one of the four at the RTD...
I notice that several of the vendors are providing 4 wires now. Unless you require super accuracy...
from the Forum department...
Hydrocarbon detector
Topic: Sensor technologies.
Originally posted by PK Kochi on 18 November, 2009 - 4:50 am
Suitable HC detector for aviation turbine fuel
New Replies:
I'm sure it is, talk with your local Draeger rep. Is it in an aircraft or fueling facility? Roy...
from the Forum department...
UDC6000 for CCR plant
Topic: Continuous process industries, DCS questions.
Originally posted by ARIE on 19 November, 2009 - 3:42 am
Looking for UDC6000 software package CCR plant (regenerator section)
New Replies:
I'm not familiar with the TDC 3000. Can I assume that an SDI card is a serial digital interface...
from the Royal PITA department...
Media Converter Madness
Topic: Communications systems and equipment.
Originally posted by Michael Toecker on 6 October, 2009 - 10:45 am
Problems communicating with an INFI-90 system over fiber media converters using serial SemAPI w/ PI interface. Communications drop constantly, points take forever to load.
New Replies:
or try media converters by Omnitron Systems: www.omnitron-systems.com Email: info [at]...
from the Forum department...
Wind turbine control system
Topic: Power generation equipment control.
Posted by Brian Mullen on 19 November, 2009 - 11:15 am
What do you use PLC or DCS to control wind turbines?
Topic: Engineering and workplace issues.
Originally posted by Anonymous on 3 December, 2005 - 6:29 pm
what kind of electrical CAD software is most used by you guys?
New Replies:
> Is EPLAN more expensive than AutoCAD Electrical? < It depends. When I priced them last,...
Topic: Communications systems and equipment.
Originally posted by juvin on 19 January, 2009 - 2:43 pm
what is the address of USB port to code in VB to send signals
New Replies:
Hi, It really depends on what you want to do. There are plenty of designs and commercial...
Kevin, I am very interested in doing something similar. If you find out how to do it, please...
from the Forum department...
Pneumatic valve positioner
Topic: Engineering and workplace issues.
Originally posted by Micik on 14 November, 2009 - 3:45 am
Control valve positioner and its characteristic
New Replies:
The characteristic of the positioner should be set to match the physical response of the valve that...
Topic: Human-Machine Interface and SCADA.
Originally posted by mayday_malone on 15 November, 2009 - 1:01 pm
How to determine update rate of GES driver to talk to RX3i.
New Replies:
The update rate depends on your OPC Server options but for sure it will never have better...
from the Have No Clue department...
Discrete Inputs, Coils and Registers Cmds
Topic: Application Questions and Problems
Originally posted by criders on 16 November, 2009 - 10:13 am
What is the difference between the first four mod bus commands?
New Replies:
Cool. Thanks M Griffin....
from the Forum department...
Micrologix 1100 to Agilent 34980A
Topic: PLCs and related questions.
Originally posted by sfras on 29 October, 2009 - 8:50 am
Need to connect Micrologix 1100 PLC to Agilent 34980A.
New Replies:
Am I missing something? What does the IEEE 488.1 and 488.2 standard have to do with RS485? The MM...
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