64
COMMUNICATION PROCEDURE (other than NCP20)
:
Flowchart
MLM26*RTZ002F
START
INITIALIZE
OPEN
CHECK DSR
OFF
ON
OUTPUT
SD COMMAND
INPUT DATA
‘EOT’ ?
NO
YES
DTR = OFF
DISPLAY DATA
END
CHECK DSR
OFF
ON
NO
YES
SD COM. ?
OUTPUT DATA
OUTPUT ‘EOT’
DTR = OFF
(2000)
(2110)
(2120)
(2130)
(2150)
(2160)
(2180)
(2230)
(2260)
DSR = ON
Initialization
Opening the RS-232C port. DTR is left en-
abled (ON) because communication is
started immediately.
The LM enables DTR (ON) and waits for the
start of communication.
Transmission of the SD command
Reception of DATA from the LM
End of data at the reception of 'EOT'
DTR is disabled (OFF) by 'CLOSE'.
Displaying received DATA
The process is repeated by the program.
< LM-1800P/1800PD >
< Computer >
Explanation
Numbers indicated in the parentheses
are the line No. in the sample program.
Содержание LM-1800P
Страница 1: ...INTERFACE MANUAL MLM26 RTZ002F LM 1800P LM 1800PD AUTO LENSMETER...
Страница 6: ...2 OUTLINE OF COMMUNICATION Outline of Communication Function MLM26 RTZ002F...
Страница 54: ...50 RS 232C Communication and USB Communication Example of Data Output MLM26 RTZ002F...
Страница 70: ...66 COMMUNICATION PROCEDURE other than NCP20 Flowchart MLM26 RTZ002F...