PN 305892901, Rev S
Echo (A)
Echo implements a loop back function to test the integrity of the serial com-
munication. Any text transmitted by the master is returned.
Example:
Master: >99ABCDEFG4E[CR]
Slave: AABCDEFG1D[CR]
Bad Command (B)
This command is not recognized by the slave. It will therefore result in a type
01 failure response.
Example:
Master: >99BB4[CR]
Slave: N01[CR]
Acknowledge (C)
Requests a simple acknowledge from the slave. Useful to determine if there is a
device at that node address.
Example:
Master: >99CB5[CR]
Slave: A[CR]
Read Data (F)
The data eld of this frame contains the handle for a system variable. See Fig-
ures 2-21.1 and 2-21.2 (Variable tables) for a list of dened handles for system
variables.
Example:
Master: >34F0512[CR]
Slave: A1234540[CR]
Start Verify (G)
Initiates a verify cycle.
Example:
Master: >34G??[CR] (Note the use of wildcard in place of checksum)
Slave: A[CR]
2-24 | 3050-RM Moisture Analyzer
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