Honeywell UDA2182 - Page 34

Modbus/TCP & Modbus RTU Function Codes
26 UDA2182 Communications User Guide January 09
Generic Class (00) Device Mapping - Describes the I/O and feature mapping.
Number of
Records
Record
#1
Record
#2
Record
...
Record
#n
Number of Records - 1 Byte unsigned value 00-FFh (byte 23)
Record Description:
Byte Description
00 Type of Data Element
(See Data Element Values Table Below)
01 Starting Address of Data Element Record (High)
02 Starting Address of Data Element Record (Low)
03 Number of Data Elements (High)
04 Number of Data Elements (Low)
Data Element Values Table:
Value Description
06 Variables
11 Signal tags