Siemens OP5 Equipment Manual page 166

Glossary
A
Alarm message Draws attention to particularly urgent operating states; alarm messages have
to be acknowledged for this reason.
Area pointer Required for enabling data transfer between the OP and the PLC. It contains
details of the location and size of data areas in the PLC.
Arrival of a
The time at which a message is initiated by the PLC or OP.
message
Authorization External access to superuser password level.
input (AE)
B
Blanking
Clearance of the display and representation of operating readiness by means
of a block in character size running across the screen.
C
Configuration Definition of system-specific basic settings, messages and screens using
COM TEXT configuration software.
D
Departure of a
The time at which a message is withdrawn by the Programmable Logic PLC
message
Manual OP5, OP15
( ) J31069-D0840-U001-A2-7618
Glossary-1