Burkert Type 8056 - Manual (Page 70)

- 70 - RS232_485_ETP_MODBUS_BU_REV02.doc
Each answer is separated from the other by the comma symbol (the same used as command-separator).
The complete output string is terminated by a <CR><LF> sequence. Unrecognized command-sequences
are silently discarded without response and without halting the execution of the next sequence, if it is
present. Illegal parameter’s values and operations performed in wrong contexts are reported and identified
by error codes.
Result-code. The format of the results is the following: code-number:description, without any blank spaces
separating the number from the description. There are six possible result-codes:
• 0:OK, the execution was correct
• 1:CMD ERR, wrong context, execution was not possible due to a configuration limit or wrong
working conditions
• 2:PARAM ERR, the expected parameter was out of the allowed range
• 3:EXEC ERR, the execution of the command was not successful due to an internal error condition
• 4:RANGE ADJ, the entered parameter caused an internal automatic adjustment on other ranges
• 5:ACCESS ERR, the execution of the command was not possible due to an insufficient privilege
level
• 6:BUFFER FULL, the input or the output strings exceed the maximum allowable space.
Expression. An expression may be a number, a string or a combination of both. Usually this type of output
is given when a read operation on some parameter is requested.
List of Option. This type of output is given when a help on a parameter that requires multiple options is
requested. The structure is similar of that used for the result-codes: option-number:description.
Range of values. This type of output is given when a help on a parameter that requires a value is
requested. In this case the output takes this form: minimum-value <> maximum-value (units).
Mnemonic command list. For the list of the command see the ETP protocol section The list of mnemonic
are the same of the ETP protocol.