Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual - Manual (Page 92)

92 Publication 1769-UM009E-EN-P - August 2009
Chapter 6 DeviceNet I/O Image
Reserved Array
Device Status Array
The Device Status Array is a 64-byte array containing the information shown
in this table. Each byte indicates the status code of the scanner’s master and
the slave devices.
Reserved Array
Input Word
Description
(1)
(1)
Do not manipulate reserved bits. Doing so may interfere with future compatibility.
22…31 Always 0
Device Status
Input Word Bit Description
32 0…7 (lower byte) Node 0 DeviceNet status
8…15 (upper byte) Node 1 DeviceNet status
33 0…7 (lower byte) Node 2 DeviceNet status
8…15 (upper byte) Node 3 DeviceNet status
... ... ...
63 0…7 (lower byte) Node 62 DeviceNet status
8…15 (upper byte) Node 63 DeviceNet status