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Landmark Technic
Signal Processor
User Guide
B1 Serial Communications protocol
B1.1 RS232C read data
Computer/Terminal
R
x
x
x
CR
Landmark Technic
x
x
x
CR
LF
Parameter value
being requested
(ASCII)
x
A
Value or requested
parameter
(ASCII)
Fig. 14 RS232C mode
READ
protocol
LMT010075
Fig. 15 RS232C mode
WRITE
protocol
LMT010076
Computer/Terminal
S
x
x
x
Landmark Technic
x
x
x
CR
Parameter value
being modified
(ASCII)
x
A
New parameter
value
(ASCII)
Space
B1.2 RS232C set data