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Control.com topic...
Communications
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...
We are fetching 15000 parameters per minute with our PHD system. We have 2 history modules, 3...
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 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:
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...
John Correa, sometimes i get the error which is NEGATIVE ACKNOWLDGE and sometimes the error is...
The EGX100 supports a total of 32 open TCP/IP connections at one time with the 2.7 firmware. It...
Check the error message type in your EGX100. If the error message is TIMEOUT may be something wrong...
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:
Thank you very much for spending your time and efforts... your views are most interesting, and very...
For each axis you will have a servo motor and drive. The motor will have its own encoder which will...
Hi, Thank you very much for all the answers. It is true that telescopes are mainly controlled...
The first thing I would do would be to ask the other observatories how they are running this...
Hello Wim: Our controllers have been used for many years now on many of the large telescopes...
from the yep department...
altivar71/ioscan
Topic: Communications systems and equipment.
Originally posted by jagg on 17 November, 2009 - 10:12 pm
Would like to setup a alt71 to comm. with our plc quantum with a noe77111 card.
New Replies:
Hi, yes it is modicon cpu, with unity software. After a bit more reading i am able to send...
What type of device are you going to use to control the Altivar 71 Drive? If it is a Modicon PLC,...
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...
Receiving data from a weighing scale
Topic: Communications systems and equipment.
Originally posted by Raja on 18 November, 2009 - 11:17 pm
I have a digital weighing scale I need to connect to the vs.net 2008 Application.
New Replies:
What kind of scale? Comm via Serial, Ethernet???...
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:
Jan Axelson has written a series of books on the topic of I/O access via VB. She has a book titled...
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...
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...
Please contact FieldServer at 408.964.4446 for the OPCFieldServer solution. The FS-B-OPC Server...
have you tried contacting OPC Support? Please feel free to contact us at: 1-877-OPC-4ALL you can...
Topic: Communications systems and equipment.
Originally posted by interop on 3 February, 2009 - 12:04 pm
Can only read 6 registers from Controlotron 1010 flow meter via Modbus
New Replies:
If you are using a Prosoft Module for Modbus Communication from a PLC and you are getting a Command...
I set up a Test jig with a piece of plastic pipe so I could get some flow rate albeit very low with...
from the GE energy (mark V) department...
ISA arcnet documentation
Topic: Human-Machine Interface and SCADA.
Originally posted by marco on 18 October, 2009 - 9:29 am
Doc to configure the jumper of the hmi arcnet isa card
New Replies:
Here is a link to the SOHARD ISA ArcNet manual: ...
from the instrumentation & control department...
DCS How to check the scan time of DCS
Topic: PLCs and related questions.
Originally posted by Gaurav Kale on 16 November, 2009 - 2:03 am
How to check scan time of DCS & PLC
New Replies:
For other questions: 3. CONTROLLER LOADING: PLC controller loading is with respect to your...
SCAN period in PLC and DCS are fundamentally different. PLC: it is the time taken to scan &...
from the EECS department...
gsm modem communicating with Matlab
Topic: Communications systems and equipment.
Originally posted by milli on 15 November, 2009 - 9:56 am
communicate with a gsm modem connected to RS232 using matlab
New Replies:
At first you have to mention the communication protocol (Serial or parallel,or usb) between modem...
Topic: Communications systems and equipment.
Originally posted by Ketan on 4 November, 2009 - 9:00 am
Facing issues with writing data from WW IAS to Rockwell Power Monitor 3000 M6
New Replies:
Ketan, You are one step ahead of me. I've got some PM 3000 M4 units that I'm trying to setup...
from the Forum department...
ION 7600 modbus
Topic: Communications systems and equipment.
Originally posted by malinim on 4 June, 2009 - 11:24 am
need modbus map
New Replies:
Hi! I got mine from the internet. The document name is "ION 7500/ION 7600/ION 8000 Series...
from the Forum department...
Modbus and acyclic time
Topic: PLCs and related questions.
Originally posted by Zago on 16 November, 2009 - 12:01 pm
Modbus and acyclic time
New Replies:
Some of the functionalities are located on the field, in particular the diagnostic functions. I...
Modbus is strictly a communications protocol. The DCS, PLC, or other controller determines how and...
Topic: Communications systems and equipment.
Originally posted by Daniel Barrera on 13 November, 2009 - 9:26 am
I have a problem when I want to read the modbus of SHARK 100, because I can't read 32-bit IEEE floating point format in VIJEO DESIGNER 5.0.
New Replies:
Hi guys, If you cannot find a solution, I can recommend using a gateway. HMS has one that may...
> And, speaking of standards... I would sure love to see a date standard. What is 3/6/9? March...
There is an option for each device communications driver to change the double word order. If the FP...
from the Forum department...
Low cost modbus meters
Topic: Application Questions and Problems
Originally posted by Raj on 16 November, 2009 - 4:32 pm
Low cost power meter-data acquisition.
New Replies:
Raj, I was not able to tell whether you need 3-phase or single-phase and whether this is for...
from the Forum department...
Simplex Device
Topic: Communications systems and equipment.
Originally posted by zarah on 4 November, 2009 - 1:00 am
Does anyone here has an experience using simplex device for Fiber Optics?
New Replies:
WDM is full duplex, since transmit and receive are done simultaneously on different wavelengths of...
from the Service department...
Modbus distance Maximum
Topic: Local and wide area networking in factory automation.
Originally posted by Sathis on 16 November, 2009 - 3:29 am
modbus communication distance maximum
New Replies:
Modbus itself specifies no distances, as it doesn't even specify any particular physical layer. ...
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