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17
3-7. Use of RS-232C Serial Interfacing
1) Hardware/Software Requirements
IBM PC/XT/AT or compatible computer
Microsoft Windows
Serial port for connection with counter
2) Output Data Formats
(1) Baud rate : 9600BPS
1 start bit (0)
8 data bit
1 stop bit (1)
NONE PARITY
(2) To Frequency counter
Command Parameter Terminate Code
'H' : HOLD '0' : OFF
'1' : ON
'2' : TOGGLE
CR (0DH)
'G' : GATE '0' : 0.01 SEC
'1' : 0.1 SEC
'2' : 1 SEC
'3' : 10 SEC
CR (0DH)
'D' : DATA REQUEST DON'T CARE CR(0DH)
'F' : FUNCTION SET N* CR(0DH)
'R' : REMOTE '0' : OFF
'1' : ON
CR(0DH)
N*= 0 1 2 3 4 5 6 7
3.5GHz,F/C FA NC FC PERIOD TOTAL RPM NC NC
(3) From Frequency counter
DATA UNIT
10BYTES include dp 4bytes CR