Rockwell Automation 5730 DriveLogix5730 Controller for PowerFlex 700S Drives with Phase II Control - Manual (Page 174)

8-8 Communicating with Devices on a DeviceNet Link
Module Command Array
The module command array is the primary control interface between your
control program and the module. In RSLogix 5000 software, the
CommandRegister tag structure is as follows:
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Output Word Bit Description Behavior
0 0 Run This bit controls when the module scans its mapped slave devices. When
set (1), the scanner will process I/O data as defined by its scanlist. To
actually scan the network the Fault and Disable Network command bits
must be clear (0).
1 Fault When set, the scanner’s I/O mode will be Halt; messaging will still operate.
The fault bit is primarily used to artificially set the slave devices into a fault
state due to some event or condition within the control program.
2 Disable Network When set, the scanner is functionally removed from the network.
3 HaltScanner When set, the scanner stops scanning its mapped slave devices.
4 Reset Restarts access to the DeviceNet network.