MVI56E-MCMR ♦ ControlLogix Platform Reference
Modbus Communication Module with Reduced Data Block User Manual
ProSoft Technology, Inc. Page 203 of 223
4 Click OK to save your module settings. This action opens the MODULE
PROPERTIES dialog box.
5 In the CONNECTION tab, the Requested Packet Interval (RPI) value represents
the time interval at which the module will attempt backplane communication
with the processor. This value should not be set to less than 1 millisecond.
Values between 1 and 10 milliseconds should work with most applications. If
the module is installed in a Remote chassis and accessed via ControlNet, the
RPI must not be set to a value lower than the ControlNet Network Update
Time (NUT). Doing so will cause scheduling errors in RSNetworx for
ControlNet.
6 Click OK to save your settings. Notice that the module now appears in the
CONTROLLER ORGANIZATION window.
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