User Manual
18 
3-8. 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 
1.5(3.0)GHz,U/C 
FA 
FB 
FC 
PERIOD 
TOTAL 
NC 
RATIO 
TI 
150MHz,U/C 
FA 
FB 
NC 
PERIOD 
TOTAL 
NC 
RATIO 
TI 
3.7GHz,F/C 
FA 
NC 
FC 
PERIOD 
TOTAL 
RPM 
NC 
NC 
1.5(3.0)GHz,F/C 
FA 
NC 
FC 
PERIOD 
TOTAL 
RPM 
NC 
NC 
150MHz,F/C 
FA 
FB 
NC 
PERIOD 
TOTAL 
RPM 
NC 
NC 
(3) From Frequency counter 
    DATA                                        UNIT 
   10BYTES include dp            4bytes        CR 
3) Installing Program and using the software 
 Refer to “Readme” file on Software diskette supplied with unit. 










