A conditional command is useful when the same value does not need to be written to the end device continuously, but rather on change.  A conditional write command is scanned based upon its poll rate (like all other commands).  The... Read More

You can initialize the input data (ReadData) with cached values from the processor on these In-Chassis modules so that these values do not get reset to 0 during a module reset or powerloss. To do this the parameter labeled "Initialize Input Image" or... Read More

Most Honeywell DCS Systems support either Serial Modbus or Modbus TCP communication.  If your application involves Rockwell Automation PACs or PLCs than consider one of our In-Chassis modules such as the MVI56E-MCM or the MVI56E-MNET.  If... Read More

Almost all ProSoft solutions for serial based protocols support RS-232C, RS-485 and RS-422 electrical interface types, but equally important is the 'language' or application layer protocol needed for your application. ProSoft... Read More

This error is indicative of a backplane issue between the prosoft card and the compact logix PLC. With the MVI69E and MVI69L modbus modules, all of the configuration is stored on the PLC itself, not on the Prosoft card. This means that, unlike with... Read More

In some of our older Modbus products we had/have a feature called float flag. This feature, which has been renamed to Enron-Daniels mode in most of our newer Modbus products to avoid the misconception that this mode was necessary for accessing... Read More

Some Prosoft modules, such as the 69E and 69L families, have only the option to use CIP Connect over the backplane for configuration downloads and uploads in the Prosoft Configuration Builder (PCB). Other modules offer CIP Connect as an alternative... Read More