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Control.com member...
Member Information and Posts by lynnlinse
from the Forum department...
Modbus TCPIP master to many slaves
Topic: Communications systems and equipment.
Originally posted by Miroslav on 30 October, 2009 - 6:03 am
Modbus TCPIP master to many slaves
New Replies:
>> thanks for your comments. You clarified what I was thinking. I will implement 1x socked...
from the Forum department...
Modbus RTU + Telnet over GPRS + Binary
Topic: Communications systems and equipment.
Originally posted by RKay on 7 November, 2009 - 9:01 pm
Problem transferring Binary data over the GPRS Network while communicating to a modbus rtu
New Replies:
Telnet is designed for 7-bit ASCII. It doesn't allow raw 8-bit binary data - various bytes (such...
from the hmmm help... department...
Student and OPC
Topic: Information resources, documentation.
Originally posted by Dennis on 5 February, 2009 - 5:32 am
Seeking in-depth information about OPC
New Replies:
I think you need to be CLEAR about what exactly is required - I often hear the term OPC tossed...
Topic: Local and wide area networking in factory automation.
Originally posted by Jason Hu on 2 February, 2009 - 11:05 pm
Can anyone help illustrate the frame structure of DNP3 protocol.
New Replies:
I doubt you'll get an answer to this - DNP3 is massively more complex than Modbus. The protocol is...
from the Instrumentation department...
Data transfer rate
Topic: PLCs and related questions.
Originally posted by Kamarul Ariffin on 27 January, 2009 - 9:12 pm
data transfer rate between 2 PLC.
New Replies:
I wonder if your Digital Microwave is shared or dedicated? If shared, you'll find there is no...
from the Electrical and Computer department...
RTU over GPRS
Topic: Application Questions and Problems
Originally posted by S_51 on 8 January, 2009 - 3:26 pm
I need to design an RTU which measures a analog signal, processes it and then sends it over to a control room via GPRS network.
New Replies:
Given your "computer" is fairly simple, the easiest (but not cheapest) would be to buy...
Topic: Engineering and workplace issues.
Originally posted by Timothy Burgess on 5 February, 2009 - 3:26 pm
Problems talking to a slave machine using the Modbus RTU protocol.
New Replies:
Elmer's reply is CRITICAL & HELPFUL ... ALWAYS use someone else's test tool to confirm an exact...
from the kv2c+ department...
modbus for ge kv2c+
Topic: Communications systems and equipment.
Originally posted by RON on 8 February, 2009 - 11:04 pm
networking of almost 200 ge kv2c+ meters for modbus communication using RS485
New Replies:
For wireless, you can look at some of the newer mesh technologies using free-band 900Mhz or 2.4GHz....
from the R&D department...
More memory maps in 1 memory map
Topic: Communications systems and equipment.
Originally posted by Ivar on 28 January, 2009 - 8:15 am
Using more Memory Maps inside 1 Memory Map
New Replies:
My own experience - dealing with products which move generic Modbus as pure numbers only - is that...
from the Anything but .Net please department...
Java to Ethernet IP
Topic: Application Questions and Problems
Originally posted by Jon P on 6 August, 2008 - 12:06 am
Controls Engineer is seeking a way to talk to Allen Bradley and other Ethernet IP devices using Java.
New Replies:
If the "EIP Device" is a Rockwell PLC, then you can create a very quick-n-dirty 4-message...
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