HEIDENHAIN ND 920 - Manual (Page 59)

59
Delay times for data output
Storage delay t
1
≤
0.5 ms
Data output after t
2
≤
30 ms
Regeneration time t
3
≥
0 ms
Duration of data output in seconds:
t
D
=
Next possible signal for measured value output:
t
E
= t
1
+t
2
+ t
D
+ t
3
[s]
Measured value output with CTRL B
If the control character STX (CTRL B) is received over the RS-232-C
interface, the measured value referenced to this time point will be sent
over the interface. CTRL B is received over RXD and the measured
values are output over TXD.
t2
t3
tD
CTRLB CTRLB
t1
176 x number of axes + 11 x number of blank lines
Baud rate
BASIC program for measured value output:
10
L%=48
20 CLS
30 PRINT "V.24/RS232"
40 OPEN "COM1:9600,E,7" AS#1
50 PRINT #1, CHR$ (2);
60 IF INKEY$<>""THEN 130
70 C%=LOC(1)
80 IF C%
90 X$=INPUT$(L%,#1)
100 LOCATE 9,1
110 PRINT X$;
120 GOTO 50
130 END
Measured Value Output