System information

Section 2. Protocols and Packet Types
2-5
Hello Request Message Format (MsgType 0x0e):
Name Type Description
MsgType Byte Message type code (0x0e)
TranNbr Byte Transaction number (always zero)
2.2.4 Bye Message (MsgType 0x0d)
The Bye Message is a one-way message that lets a node on the network know
that the link is shutting down and that the nodes will no longer be able to talk
to each other. Before shutting down a link, like a phone modem connection, it
is good practice to always send a Bye Message.
Bye Message Format (MsgType 0x0d):
Name Type Description
MsgType Byte Message type code (0x0d)
TranNbr Byte Transaction number (always zero)
2.2.5 Get/Set String Settings Transactions (MsgType 0x07,
0x87, 0x08, 0x88)
Both the Get Settings and Set Settings transactions are used exclusively when
reading or writing settings in a CR200 series datalogger but only has limited
usage for settings within a CR1000 type datalogger. These datalogger settings
exist as a list of ASCII text variables within the datalogger and are used by the
datalogger like environment variables are used by a personal computer.
Get Settings Command Message (MsgType 0x07):
Name Type Description
MsgType Byte Message type code (0x07)
TranNbr Byte Transaction number
NameList ASCIIZ List of names for which you want values. The
names will be separated with an ASCII semi-
colon character. If this is an empty string, the
datalogger will respond with all settings.
Get Settings Response Message (MsgType 0x87):
Name Type Description
MsgType Byte Message type code (0x87)
TranNbr Byte Transaction number
Settings ASCIIZ A string containing a list of name-value pairs
with each name separated by the value with the
“=” sign. Each value-pair is separated with a
semi-colon. For example:
Model=CR200;PakBusAddress=1;