Siemens OP7 Equipment Manual page 161

Mes- Cause
sage
731 Internal error
Transfer parameter LEDSTATUS is incorrect in
RIO function "Change LED Status"
732 Internal error
Key number can not be higher than 7/15/23
(8-key/16-key/24-key keyboard)
733 Internal error
Key number must be less than 4 as a maximum of
4 keys is possible.
734 Internal error
The module number must be 0.
735 Internal error
Illegal RIO function.
736 Internal error
Keyboard driver error.
737 Internal error
Too many keyboard assignment areas (mailboxes)
being transferred to PLC.
738 Internal error
Mailbox type of received message is incorrect.
739 Internal error
Key acknowledgement received when message
already acknowledged.
740 Internal error
Message status not permitted for first alarm/event
message.
741 Internal error
Buffer type different from event or alarm message
buffer.
742 Internal error
Message type different from event or alarm mes-
sage buffer.
743 Internal error
Configuration message error
744 Internal error
Incorrect mailbox type received.
746 Internal error
Actual control value and process link are identical
on a screen.
Equipment Manual OP7, OP17
Release 04/99
Remedy:
The following are permissible: Read,
Write (LEDs, outputs) and Initialize.
In COM TEXT: change address
B-17