HEIDENHAIN SHB Data Interfaces for HEIDENHAIN - Manual (Page 89)

8 – 90 HEIDENHAIN Service Manual for Data Interfaces
8.1.5 Error messages during data transfer
TRANSFERRED VALUE INCORRECT X
X = A Faulty character frame
B Character overflow
C Faulty character frame or character
overflow
D Parity error
E Faulty character frame or parity error
F Character overflow or parity error
G Faulty character frame or character
overflow or parity error
H Receiving buffer overflow
K Incorrect ESC sequence (only in "ME" mode)
L Incorrect ESC sequence (only in "ME" mode)
DATA TRANSFER ERRONEOUS X
X = A Faulty character frame
D Parity error
M The control has received the character for
"Negative Acknowledgement" (NAK) more
than 3 times
N The control has transmitted the character for
"Negative Acknowledgement" (NAK) more
than 3 times
P Timeout ACK/NAK
BAUD RATE NOT POSSIBLE
If both data interfaces (RS 232/RS 422) are active
simultaneously, the baud rate of both data interfaces must
be the same.
INTERFACE ALREADY ASSIGNED
A data interface cannot be used for two operating modes at
a time (e.g. DNC mode and simultaneous programming is not
possible with one data interface).
EXT. IN/OUTPUT NOT READY
- DSR signal missing at the TNC
- Transmission cable defective or incorrect
- Wrong interface assignment
PROGAM INCOMPLETE
Data transfer was aborted before the program was
completely loaded.