HEIDENHAIN ND 287 User Manual - Manual (Page 108)

108
II Installation, specifications
II – 5 D
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Key is pressed (TXXXX commands)
 The ND acknowledges every correctly received key command by
transmitting the control character ACK (Acknowledge, CTRL F).
Then the ND executes the key command.
 The ND responds to commands that cannot be identified or to
invalid commands by sending the control character NAK (No
acknowledge, CTRL U).
Output of screen contents (AXXXX commands)
 The ND responds to valid commands by sending the control
character STX (Start of text, CTRL B) before outputting the text.
 The ND responds to commands that cannot be identified or to
invalid commands by sending the control character NAK (No
acknowledge, CTRL U).
Output of device identification:
 Device name
 ID number of the currently installed software
 Version number of the currently installed software
Output of position display value:
N D - 2 8 7
6 4 6 1 1 8 - 0 1
V 1 - 0 1
1 2 3
1 STX control character: 1 character
2 Device identification: 10 characters
3
End of line: 2 characters
- 1 2 3 4 5 . 6 7 8 9
4 5 6
4 STX control character: 1 character
5
Displayed position value: 10 - 13 characters, depending on the number of decimal points and decimal places
6 End of line: 2 characters