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IS-C3050 WIRELESS TERMINAL User Guide
32
Rev 1.1
MESSAGE FORMAT
General format structure
STX
Transaction
type
Message
Length
Data
ETX
LRC
The general message structure is used to communicate between the wireless terminal and
the Controller as shown in Table 7.
Field
Field Description
Field Length
Field type
remarks
1
STX
1
B
0x02
2
Transaction type
4
A
3
Data length
2
B
Size of data excluding ETX
4
Data
VAR
5
ETX
1
B
0x03
6
LRC
1
B
Table 7: General message structure
The “message” described herein refers to the data framed started by an STX
character and terminated with an ETX character followed by a LRC.