Communication processor and Modbus TCP
13.3 Point-to-point (PtP) communication
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1119
ENDSEQ1CTL IN Byte
B#16#0
Sequence 1 ignore/compare control for each character:
These are the enabling bits for each character for the end
sequence. Character 1 is bit 0, character 2 is bit 1, …,
character 5 is bit 4. Disabling the bit associated with a
character means any character will match, in this se-
ENDSEQ1 IN Char[5]
Sequence 1 start characters (5 characters)
Table 13- 18 Condition codes
Illegal start condition selected
Illegal end condition selected, no end condition selected
Receive interrupt enabled and this is not possible.
Maximum length end condition is enabled and max length is 0 or > 1024.
Calculated length is enabled and N is >= 1023.
Calculated length is enabled and length is not 1, 2 or 4.
Calculated length is enabled and M value is > 255.
Calculated length is enabled and calculated length is > 1024.
Response timeout is enabled and response timeout is zero.
Inter-character gap timeout is enabled and it is zero.
Idle line timeout is enabled and it is zero.
End sequence is enabled but all chars are "don't care".
Start sequence (any one of 4) is enabled but all characters are "don't care".
Invalid receive message overwrite protection selection error
81CE Invalid receive message buffer handling on STOP to RUN transition selection error
Error in the block header, for example, wrong block type or wrong block length
8281 Negative acknowledgement while writing the module
DP slave or module not available
Reconfiguration rejected because a configuration is in progress
82C1 The specified value for the number of messages that the module can buffer is greater than
the maximum permitted value.
Receive configuration rejected when configured for firmware embedded protocols
Data type not allowed at this Variant pointer
To Next Page
Loading...
