| A Modbus Users' Community |
A Control.com syndicated community |
Read and participate in active technical discussions with automation and industrial controls users from all over the world. |
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Posted by
Erik
on Thursday, September 04, 2008 at 01:07 AM
from the Automation List dept. Toggling a DIO when an alarm condition is set with out the interaction of the master. Read More or Reply... (2 comments)
Posted by
Caleb_E
on Wednesday, September 03, 2008 at 01:36 AM
from the Modbus XXMIT Crew dept. For the XXMIT block, what constitutes an operation? Is it just the actual sending of a query or is it the sending of a query and receiving of a complete response that makes up one complete operation? Read More or Reply...
Posted by
George Whaley
on Wednesday, September 03, 2008 at 12:24 AM
from the Instrument and Control systems dept. Requesting member feedback for the replacement selection of an existing petrochemical control system "DCS". Read More or Reply... (3 comments)
Posted by
DIANA HERRERA
on Monday, September 01, 2008 at 02:14 PM
from the ALLEN BRAIDLEY dept. Is modbus protocol available on the Variable Frequency Plus II? Read More or Reply...
Posted by
GPatel
on Wednesday, August 27, 2008 at 10:19 PM
from the Engineering dept. Communication to DCS system Read More or Reply... (2 comments)
Posted by
Hildemaro Carrasquel
on Wednesday, August 27, 2008 at 10:13 PM
from the Instrumentation and Control dept. I am analyzing the posibility for connecting Emerson Delta V (Unit package to supervisory) with Open Protocol... Read More or Reply...
Posted by
Matt Mihalcin
on Wednesday, August 27, 2008 at 10:10 PM
from the Modbus Register List Rules of Thumb dept. Are there rules of thumb to abide when constructing a Modbus register listing w.r.t. floats (32-bit), and ints (16-bit)? Read More or Reply...
Posted by
Syed Hussain
on Wednesday, August 27, 2008 at 09:58 PM
from the Modbus Interface dept. Modbus TCP/IP data concentrator. Need a device that can receive data from mutliple Modbus TCP/IP slaves, stores them and can act as a MModbus TCP/IP slave for the DCS controller. Read More or Reply... (9 comments)
Posted by
Prakashkumar
on Tuesday, August 26, 2008 at 04:57 PM
from the Honeywell EPKS Modbus dept. We have a problem with communication between Honeywell EPKS DCS with third party system through ModbusRTU for Writing Coil. Read More or Reply...
Posted by
Tenshi
on Tuesday, August 26, 2008 at 09:42 AM
from the PLCs dept. Hello. Do you know how I can restrict reading the value of a variable from a PLC? Read More or Reply...
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