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L
Loop-through
Operating mode of OP15. Includes normal operation and also permits com-
mode
munication between the PU or PC and the PLC through the second interface
of the OP15. This operating mode is possible only when the interface to the
PLC is established by means of the AS511 protocol.
M
Message level
OP control level at which initiated messages are displayed.
Message logging
Configurable printout of alarm and event messages concurrently with output
on display.
N
Normal mode
OP operating mode in which messages are displayed and screens can be ma-
nipulated.
O
Output field
Field for displaying an actual value.
P
Password
To use a protected function, it is necessary to enter a Password identifying a
Password level
given password level. A password level defines the permissions of an opera-
tor. The requisite password level is preset by means of configuration and can
range from 1 (the lowest level) to 9 (the highest level).
PLC job
Initiation of a function by the PLC.
Manual OP5, OP15
( ) J31069-D0840-U001-A2-7618
Glossary
Glossary-3
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