Rockwell Automation 1761-NET-DNI DeviceNet Interface (DNI) - Manual (Page 36)

Publication 1761-UM005B-EN-P - October 2006
36 DNI Configuration Parameters and Programming Notes
The first byte (byte 0) of the first word contains the status byte and is
not available to the user. A sample of the data array is shown below.
Output Split Point
The Output Size within the DNI is configurable from 1…32 words.
The Output Split Point defines how much data is configured as
Master/Slave I/O and how much data is configured for explicit
assembly messaging.
Sample Data Array
Word Output Image
Series A Series B
0 0 Data (8 bits) Status
1 1 Data Most Significant Byte
(MSB) Data Least Significant
Byte (LSB)
2 2 Data MSB Data LSB
3 3 Data MSB Data LSB
Ш Ш Ш Ш
14 30 Data MSB Data LSB
15 31 Data MSB Data LSB
TIP
Byte 1 (MSB) of word 0 is available for user data.
TIP
For information on the Status Byte (byte 0), see the
Status Byte section on page 50.
Parameter
Type Parameter Number Description Range Default
Value
Series A Series B
I/O n/a 7 Output Split Point 1…32 1
IMPORTANT
The Output Split Point parameter cannot be used
with DNI Series A.