Communication processor and Modbus TCP
13.3 Point-to-point (PtP) communication
Parameter and type
APP_END*
IN
DONE
OUT
ERROR
OUT
STATUS
OUT
* Not supported for the CM and CB 1241s; you must use an empty string ("") for the parameter.
Table 13- 12 Condition codes
STATUS (W#16#....)
81B0
81B1
81B2
81B3
81B4
81B5
81B6
8280
8281
8282
1114
Data type
Description
STRING[5]
Specifies the number and the characters to be appended to the transmitted
message (only the characters are appended).
STRING[5,0,aa,bb,cc,dd,ee] – End char is not used (default)
STRING[5,1,aa,bb,cc,dd,ee] – Transmit one end character
•
STRING[5,2,aa,bb,cc,dd,ee] – Transmit two end characters
•
STRING[5,3,aa,bb,cc,dd,ee]– Transmit three end characters
•
STRING[5,4,aa,bb,cc,dd,ee] – Transmit four end characters
•
STRING[5,5,aa,bb,cc,dd,ee] – Transmit five end characters
•
Bool
TRUE for one execution after the last request was completed with no error
Bool
TRUE for one execution after the last request was completed with an error
Word
Execution condition code (Default value: 0)
Description
Transmit interrupt configuration is not allowed. Contact customer suport.
Break time is greater than the maximum allowed value.
Idle time is greater than the maximum allowed value.
Error in the block header, for example, wrong block type or wrong block length
Reconfiguration rejected because a configuration is in progress
The number of end delimiters specified is greater than two or the number of end charac-
ters is greater than five
Send configuration rejected when configured for firmware embedded protocols
Negative acknowledgement while reading the module
Negative acknowledgement while writing the module
DP slave or module not available
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK