LACO PROTOCOL DESCRIPTIONS TITANTEST™
133
© 2018 LACO TECHNOLOGIES, INC. - TitanTest itra01en1-07 SB.fm - 1807
12.7 Error messages**
Telegram error handling
Slave discards all characters until it receives a STX as telegram start iden-
tifier.
Slave does not generate an error message, if address is not correct.
Slave reports CRC errors with error message 1 (CRC failure)
Slave reports length errors with error message 2 (Illegal telegram length)
or 11 (Data length is not correct for the command)
To prevent the response from colliding with the next request, the slaves do
not respond in case of a timeout.
Error numbers (if status word Bit 15 is set 1)
** Feature not available in TITANTEST™ Maintenance model
Error No. Error numbers
1 ERR_CRC CRC-failure
2 ERR_LEN Illegal telegram length
10 ERR_CMD_ILLEGAL command doesn't exist
11 ERR_DATA_LENGTH Data length is not correct for the
command
12 ERR_NO_READ Read not allowed
13 ERR_NO_WRITE Write not allowed
14 ERR_ARRAY_INDEX Array-Index out of range or missing
20 ERR_CONTROL Control actually not allowed with
this interface
21 ERR_PASSWORD Password not OK
22 ERR_CMD_NOT_ALLOWED Command actually not allowed
(e.g. calibration during Run-Up)
30 ERR_DATA Data not in range
31 ERR_NO_DATA No data available
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