Manual

Configuration
3–26 975-0679-01-01 Revision D
Modbus Byte Order
You can configure the Conext ComBox to change the Modbus byte and word ordering
for packed ASCII strings, and 32-bit values. There are two settings for Modbus Byte
Order:
1. Least Significant byte/word first (LSB First)
2. Most Significant byte/word first (MSB First)
Select the appropriate setting for your Modbus network.
The following are examples of how the settings operate.
Packed
String
Example:
When sending the text string "CONEXT" over Modbus:
1. Least Significant byte:
2. Most Significant byte:
32-bit Word
Example:
When sending the value 0x12345678 over modbus:
1. Least Significant word:
2. Most Significant word:
OETCNX
CNXOET
1234567 8
5678123 4
Conext_ComBox_Owners_Guide.book Page 26 Monday, October 21, 2013 10:00 AM