HEIDENHAIN TNC 306 Service Manual - Manual (Page 139)

HEIDENHAIN Service
Function MP TNC TNC XNC CNC Input = TNC 355 AE-6
No. Bit 2500 360 306 234 MP Bit Input Value
Data format and transfer stop for the
external data interface RS232/EXT
5020* ‹ ‹ ‹ ‹ 0 to 255 222 168
7 or 8 data bits
Block check character
Transfer stop by RTS
Transfer stop by DC3
Character parity even/odd
Character parity on/off
0
1
2
3
4
5
+ 0 = 7 data bits, bit 8: parity bit
+ 1 = 8 data bits, bit 8 = 0,
bit 9: parity bit
+ 0 = BCC character is also
control character
+ 2 = BCC character is not
control character
+ 0 = inactive
+ 4 = active
+ 0 = inactive
+ 8 = active
+ 0 = even
+ 16 = odd
+ 0 =
off
+ 32 = on
Number of stop bits 6/7 + 64 = bit 6 = 1
+ 128 = bit 7 = 1
0 0 = 1 1/2 stop bits
0 1 = 2 stop bits
1 0 = 1 stop bit
1 1 = 1 stop bit
7 6
Activating the RTS signal 8 - 16 - 08 + 0 = RTS signal permanently active
+ 256 = RTS signal is activated together
with data transfer and
deactivated when transfer is
finished.
*accessible via code number 123
R.H. TNC 306/355/360/2500
1.0 CNC 234/306 Machine Parameters MP 5020 15.03.95 26.2 18