Technology modules
D300529 0115 - BL67 I/O modules12-12
Diagnostic data
This module has the following diagnostic data per channel:
Diagnostic byte assignment, Process input data (page 12-3)
Diagnostics Meaning
Table 12-5:
Diagnostic mes-
sage
buffer overflow Buff Ovfl:
Overflow of the receive-buffer (RX-buffer).
Frame error Frame Err:
The module has to be parameterized for adaptation to the data struc-
ture of the data terminal equipment (DTE).
A frame error occurs in case of inconsequent parameterization (num-
ber of data bits, stop bits, method of parity, …).
Data flow control error
Data flow control
HndSh Err:
The DTE connected t the module does not react to XOFF or RTS hand-
shake.
The internal receive-buffer may overflow (buffer-overflow = 1).
Hardware error HW Faliure:
The module has to be replaced (e.g. error in EEPROM or UART)
Parameterization error Prm Err:
The parameter settings can not be supported.
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