Siemens SIMATIC S7-1200 - Page 1121

Communication processor and Modbus TCP
13.3 Point-to-point (PtP) communication
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1121
Parameter and type
Data type
Description
AcknDelayTime IN UInt
Acknowledgment delay time setting (depending on the set data transmission
rate) (default value: 2000 ms)
1 ms to 65535 ms
BuildupAttempts IN UInt Number of connection attempts (default value: 6 connection attempts)
1 to 255
RepetitionAt-
tempts
IN UInt Number of transmission attempts (default value: 6 connection attempts)
1 to 255
DONE
OUT
Bool
TRUE for one execution after the last request was completed with no error
ERROR
OUT
Bool
TRUE for one execution after the last request was completed with an error
STATUS
OUT
Word
Execution condition code (Default value: 0)
Table 13- 21 Condition codes
STATUS (W#16#....)
Description
16#8380
Parameter assignment error: Invalid value for "Character delay time".
16#8381
Parameter assignment error: Invalid value for "Response timeout".
16#8382
Parameter assignment error: Invalid value for "Priority".
16#8383
Parameter assignment error: Invalid value for "Block check"
16#8384
Parameter assignment error: Invalid value for "Connection attempts".
16#8385
Parameter assignment error: Invalid value for "Transmission attempts".
16#8386
Runtime error: Number of connection attempts exceeded
16#8387
Runtime error: Number of transmission attempts exceeded
16#8388 Runtime error: Error at the "Block check character"
The internally calculated value of the block check character does not correspond to the
block check character received by the partner at the connection end.
16#8389
Runtime error: Invalid character received while waiting for free receive buffer
16#838A Runtime error: Logical error during receiving.
After DLE was received, a further random character (other than DLE or ETX) was re-
ceived.
16#838B
Runtime error: Character delay time exceeded
16#838C Runtime error: Wait time for free receive buffer has started
16#838D
Runtime error: frame repetition does not start within 4 s after NAK
16#838E Runtime error: In idle mode, one or several characters (other than NAK or STX) were
received.
16#838F
Runtime error: Initialization conflict - Both partners have set high priority
16#8391
Parameter assignment error: 3964 configuration data rejected because Freeport is set