HEIDENHAIN MANUALplus 620 Technical Manual page 1798

1798
Module 9102 Status of data interface
Module 9102 reads the status information about an interface in bit-coded
form.
The information "interface ready" is updated when the interface is assigned to
the PLC or NC. If the interface is not assigned, the module reads the last valid
status.
Call:
PS B/W/D/K <>Interface>
0: RS232
1: RS422
CM 9102
PL B/W/D <>Interface status>
–1: Error code in NN_GenApiModuleErrorCode (W1022)
Bit 0: Interface is assigned
Bit 1: Interface is assigned to the PLC
Bit 2: Interface is ready
Bit 3: Transmit buffer is empty
Bit 4: Error during transmission
Bit 5: Receive buffer is full
Bit 6: Error in reception
Bit 7: ETX was received (not ready to receive)
Bit 8: Internal buffer from Module 9113 contains characters
Error recognition:
Marker Value
NN_GenApiModule 0
Error (M4203)
1
NN_GenApiModule 1
ErrorCode (W1022)
Meaning
Status read
Error code in NN_GenApiModuleErrorCode
(W1022)
Incorrect interface
HEIDENHAIN Technical Manual MANUALplus 620