BK Precision 1823a - 3-8. Use of RS-232 C Serial Interfacing

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.