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Communications
Topic: Communications systems and equipment.
from the Forum department...
Communication between DCS and Subsystems
Originally posted by SAM on 23 December, 2011 - 4:26 am
Communication between DCS and Subsystems
New Replies:
I am not sure what documents you might need. You may not "need" any. As a practical...
Topic: Continuous process industries, DCS questions.
from the Chemical Processing Plant department...
Electronic Valve ON/OFF Problem
Posted by Khan1984 on 22 December, 2011 - 3:54 pm
The pulse generated from the DO card of DCS is not a perfect square wave.
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Crc errors using jamod with Rxtx library
Originally posted by walgrind on 18 December, 2011 - 1:24 pm
crc errors using modbus application with Rxtx library
New Replies:
I poll usually two consecutive registers. But when I try to poll more, an issue also occurs. ...
I am experiencing the same issue using Jamod and the older javax.comm serial api. I have found...
Topic: Continuous process industries, DCS questions.
from the Automation List department...
Altivar 31 RJ45 to RS485 pinout
Originally posted by Pierre Chicoine on 11 May, 2005 - 9:17 pm
Anyone have the pinout from Telemecanique's Altivar 31 RJ45 to RS485?
New Replies:
I need the pinout for the RJ45 connector to the Altivar 28. Can someone help?...
Topic: Communications systems and equipment.
from the Forum department...
RSLogix access PLC via internet
Originally posted by Helge Slettvoll on 19 March, 2010 - 5:43 am
Is it possible to access a PLC from RSLogix 5000 installed anywhere?
New Replies:
What particular hardware and software did you use? We are trying to do the same thing using Sixnet,...
Topic: Local and wide area networking in factory automation.
from the fiber optic department...
fiber optic signal
Originally posted by seifj on 16 December, 2011 - 9:56 am
fiber optic signal attenuation
New Replies:
First, the fiber optic cable must carry a digital network. There are many long distance solutions...
Topic: Communications systems and equipment.
from the Forum department...
Modbus Addressing Reference for PM800
Originally posted by scadax on 11 March, 2009 - 1:53 am
Looking for Modbus addressing reference for Schneider-Electric power meter PM800.
New Replies:
The link has given previously is not updated. I hope that one will be fine: ...
>> http://ecatalog.squared.com/techlib/docdetail.cfm?oid=090089268022aab6 > I can't...
Topic: Local and wide area networking in factory automation.
from the Obsolescence department...
Interbus
Posted by IBcontrol on 15 December, 2011 - 11:21 am
Advice on Interbus obsolescence needed
Originally posted by Ahmed on 9 December, 2011 - 2:34 am
the power supply is floating by 6VDC on the compressor panel due to a serial link comm on between the PLC AB Flex IO prososf module and the VFD motor drive motor.
New Replies:
A two way isolator isolates the lines from each other. A 3 way isolator isolates the lines and the...
Yes it is 2 wire modbus communication, the ground is connected, and the ground of the 2 systems is...
This doesn't sound like a Modbus communication configuration issue. But it isn't clear what...
Topic: Communications systems and equipment.
from the PROTOCOL CONVERTER department...
BSAP TO MODBUS
Originally posted by ALFREDO IRIARTE on 7 December, 2011 - 12:12 am
protocol BSAP / Modbus / DNP3 converter
New Replies:
Although we were not able to test any protocol gateways during development you should be able to...
Topic: Continuous process industries, DCS questions.
from the HELP ME GET RID OF THIS PROBLEM CUSTOMER department...
MODBUS CONTROLL OF MULTIPLE SLIT SYSTEM AIRCONDITIONERS
Posted by JON HALL on 12 December, 2011 - 2:06 am
split system air conditioners in mining camps for control of power usage from control central
Topic: Communications systems and equipment.
from the Testing the communication department...
Testing with MODSCAN a communication between EGX100 and slave
Originally posted by Jorge Guespi on 9 December, 2011 - 11:30 am
I need help to use the MODSCAN to test the communication between a ECMB (Energy meter communication board) that permits communicate through Modbus RTU, and the gateway EGX100 (of Powerlogic)that permits communicate between Modbus and Ethernet.
New Replies:
Hello, You can use the modbus scanner from www.modbus.pl to check if your configuration for the...
I use both Modscan32 and Simply Modbus. Either is entirely functional and suitable for...
> I too have had trouble getting MODSCAN to communicate. I had much better > results with...
I too have had trouble getting MODSCAN to communicate. I had much better results with Simply...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Connecting devices using HART protocol
Posted by Hackman on 8 December, 2011 - 8:04 pm
Is Optiflex 1300C TDR (Krohne) compatible with TS550 console (Franklin Fueling System)?
Topic: Communications systems and equipment.
from the Instrument department...
Autrol Transmitter in HART
Originally posted by Gvkamath on 5 December, 2011 - 4:46 am
Problem of .dll file of Autrol Transmitter in HART.
New Replies:
ProComSol makes DevCom2000 - a HART communication product that runs on a PC. DevCom2000 uses and...
The problem you have observed is due to the fact that Autrol is using the HART protocol without...
1) Device-Specific files for HART instruments are called DD's, "Device Descriptor"...
You appear to have misunderstood what the folks at SMAR told you. You need to get the DD file from...
Topic: Communications systems and equipment.
from the engineering department...
WITS (Wellsite Information Transfer Specification)
Originally posted by henk de pater on 28 June, 2004 - 8:14 am
!!!HELP!!!WITS protocol = Wellsite Information Transfer Specification
New Replies:
Hello Milton, I realize its been almost a year, but I am curious if you found a solution for...
Originally posted by Martin on 20 April, 2009 - 2:56 am
reading a weight from a Mettler Toledo Scale via RS232
New Replies:
> This will read the weight on the mettler scale on the serial port. Put > this Function in...
> Did anyone solve this, if you have can you email me the code too pls,...
Topic: Communications systems and equipment.
from the Forum department...
function code 23 with TSXETG100
Originally posted by stefano sormanni on 2 December, 2011 - 12:29 pm
Unity Premium + ETG100 for function code 23
New Replies:
By Lynn August Linse on 5 December, 2011 - 10:33 am -
Having written firmware for many Modbus/TCP to serial gateways (including the ETG's predecessor),...
I do not see why this setup would not work. I currently use the EGX100 which is Schneider's...
Topic: Communications systems and equipment.
from the Instrument department...
HART communication with ABB Transmitter
Posted by Gvkamath on 5 December, 2011 - 4:25 am
Problems faced in HART communication with ABB transmitter.
Topic: Communications systems and equipment.
from the Computer department...
Modbus4j java libraries
Posted by raveesh on 5 December, 2011 - 3:32 am
not able to retrieve the device properties like device name, device MAC Address, VendorId etc using jamod.jar and modbus4j.jar
Topic: Communications systems and equipment.
from the INSTRUMENTATION department...
HART COMMUNICATOR
Originally posted by RR on 22 November, 2011 - 5:13 am
HART communicator can communicate to Negative to GROUND?
New Replies:
1) >Those that can communicate are all on different power supply. A power supply acts as a...
Hi David, Thanks for your interest shown. > 2. Positive to Ground > 3. Negative to...
Topic: Software, including programming, OS issues, etc.
from the Software interface department...
Johnson Controls DX-9100
Originally posted by gmhayden on 26 February, 2011 - 5:32 pm
Need computer interface to monitor DX-9100
New Replies:
> Does anyone know of an open source computer interface that can be used to monitor a JCI...
Originally posted by meister on 25 March, 2011 - 10:03 am
S7 with Yaskawa V1000 inverter on Profibus
New Replies:
Hello Nicolas, for rebuild of Yaskawa V1000 from Standard I/O to Profibus I would be interested...
Originally posted by pumpkinator on 27 October, 2011 - 6:04 pm
Need advice on a system to collect data from an 1 analog + 1 digital input, and get that information into a networked database.
New Replies:
Thank you all for your suggestions. You brought up some very interesting ideas and I am exploring...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Modbus and meters
Originally posted by Kshitiz on 18 November, 2011 - 7:46 am
Is Modbus protocol same for every electronic meter?
New Replies:
I've looked around and found http://www.modbusdriver.com/ I also found a very simple modbus driver...
Hi Kshitiz, There are many electric meters that feature modbus capability that you can read via...
Here is an example of modbus mapping in a power meter:...
Topic: Sensor technologies.
from the Spec sheet for Badger tells me nothing! department...
Interface advice for connecting Arduino to Badger ADE Water Meter
Originally posted by Jason on 29 November, 2011 - 8:37 pm
I'm looking for help with interfacing an Arduino with a Badger ADE water meter
New Replies:
Hi Jason, You will need a bridge device to be able to read the the Badger ADE water meter...
Topic: Human-Machine Interface and SCADA.
from the n00b needs to learn remote controlling department...
Adding a Web Interface
Originally posted by Matt on 28 November, 2011 - 7:51 pm
I have never programmed a PLC before, but I suspect I need to learn for this project: remote heater control.
New Replies:
Hi Larry, If you need simple on off control with temperature viewing and no logic, you can use...
Hi, I'm going to step out of my usual role here and recommend the controllers made by my former...
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