Siemens SIMATIC CP 340 User Manual page 137

Event no. Event
(07)05H Only for 3964(R):
Negative acknowledgment when sending
(07)06H Only for 3964(R):
End-of-connection error:
Partner rejected telegram at end of connection

with NAK or a random string (except for DLE),
or
Acknowledgment characters (DLE) received

too early.
(07)07H Only for 3964(R):
Acknowledgment delay time exceeded at end of
connection or response monitoring time exceeded
after a send telegram:
After connection termination with DLE ETX, no
response received from partner within
acknowledgment delay time.
(07)08H Only for ASCII drivers and printer drivers:
The wait time for XON or CTS = ON has expired.
(07)0BH Only for 3964(R):
Initialization conflict cannot be resolved because
both partners have high priority.
(07)0CH Only for 3964(R):
Initialization conflict cannot be resolved because
both partners have low priority.
PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03
8.2 Diagnostics Messages of the Function Blocks P_SEND, P_RCV and P_PRINT
Event class 7 (07H):
"Send error"
Diagnostics with the CP 340
To correct or avoid errors
Check whether the partner is also indicating errors,
possibly because not all transmitted data arrived
(e.g., break in the transmission line), fatal errors are
pending or the partner device has malfunctioned.
You may need to use an interface test device
(FOXPG) interconnected in the data link to check
this.
Check whether the partner is also indicating errors,
possibly because not all transmitted data arrived
(e.g., break in the transmission line), fatal errors are
pending or the partner device has malfunctioned.
You may need to use an interface test device
(FOXPG) interconnected in the data link to check
this.
Partner device too slow or faulty. You may need to
use an interface test device (FOXPG) interconnected
in the data link to check this.
The communication partner is faulty, too slow or has
been taken offline. Check the communication
partner; you may need to change the parameter
assignment.
Change the parameter assignment.
Change the parameter assignment.
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