Rockwell Automation 1769-ADN Compact I/O 1769-ADN DeviceNet Adapter - Manual (Page 179)

Publication 1769-UM001B-EN-P - October 2002
Explicit Messaging Application Examples B-21
The actual status word from the 1769 I/O module is the fourth word
of the reply, is defined as follows:
Bit Description
0 0 = No module error detected
1 = Module detected error present
1 0 = Communication on bus ok
1 = Communication fault on bus
2 0 = Module is not configured
1 = Module is configured
3-7 Reserved, set to 0