User's Manual Part 3
Table Of Contents
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Hi-G-Tek Ltd. Microelectronics & Asset Tracking Technology
122
6
RS 485/232 Communication Protocol
6.4.2.1. MSGT Field Structure.
The Message Type field is divided into several sections:
Where:
Is the string direction.Response will be 1.
DIR
PK
ERR
MT
MC
This field holds the same value as the Command
Code of the related commands. This field makes it
possible to link the response to the appropriate
command.
This code reflects the nature of the response. A
regular response to a command has the same value
as the CC (See paragraph 6.4.1.2).
This flag indicates an error.
ERR = 0 no error.
ERR = 1 Error. The first byte in the data field stores
the error code.
Denotes whether the transmitted message is
composed of packets. A response of 1 indicates
that the message is composed of packets. If the
response is 0, the message was transmitted without
packets. (If PK=0 there must be 1 reserved data byte).