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Message
Cause
681
Overload caused by too many variables (setpoints/actual
values).
Fault in connection between the OP and PLC.
682
Incorrect interface parameters configured.
683
Configuration error:
upper limit = lower limit
684
Non-existent trend switch buffer requested.
701
Internal error
Incorrect assignment of "head –> res" when receiving
variable.
702
Job can not be executed.
703
Flash memory full.
704
Incorrect CPU specified under "PLC –> Parameters".
706
Recipe request will not be processed as another request is
already active.
722
Internal error
Incorrect mailbox type received (OP15 –> OP5)
723
Internal error
OP5: more than 500 messages are specified in the area
pointer lists.
724
Internal error
Mailbox type not implemented.
771
Internal error
Error during communication (
779
Internal error
Internal error during MPI download; possibly due to
buffer problems.
780
Internal error
Undefined error from communication with PLC.
781
An "Online Setter" function has been incorrectly defined
in ProTool.
TP27, TP37 Equipment Manual
Release 01/00
Remedy:
Check the interface parameters.
Configure fewer process links for the
screen displayed.
Correct the limits and retransfer configura-
tion.
Check PLC program/OP configuration.
Only use trend request area 2 for trends
with switch buffer.
Change interface or configure area pointer.
Restrict the configuration.
Change configuration and retransfer.
Change area pointer list.
messages).
Reset and repeat MPI download.
System Messages
C-11
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