Message Pack; Introduction; Normal Pack - Newland HR200 User Manual

Message Interception & Pack Message Interception & Pack

Message Pack

Introduction

Data Pack is for the special requirements of barcode message. There are 3 types
of data pack. Data pack effects all data formats, in that be sure to load the default
"Disable Pack" if pack is not required.

Normal Pack

Normal pack format:：
[STX + ATTR + LEN] + [AL_TYPE + DATA] + [LRC]
STX：0x02
»
ATTR：0x00
»
LEN：Barcode message length is expressed by 2 bytes, range "0x0000~0xFFFF"which is
»
between 0 and 65535.
AL_TYPE：0x36
»
DATA：Barcode message
»
LRC：Parity byte
»
The algorithm:
1、 computation sequence is LRC=0xFF+STX+ATTR+LEN+AL_TYPE+DATA
2、 computation method is XOR, byte by byte.
nlscan.com
** Disable Pack
【Pro CMD：0314000】
Normal Pack
【Pro CMD：0314010】
Tools
Code Programming ON
Code Programming OFF
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