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Manual OP5, OP15
( ) J31069-D0840-U001-A2-7618
1.2 Functions of an Operator Panel
The basic functions of an OP consist in displaying process states and in con-
trol ling the process. The following display and control functions can be con-
figured on Operator Panels OP5 and OP15:
screens
event messages
alarm messages
recipes
information text
logging
languages.
Data supplied by the PLC may be displayed together on a screen and modi-
fied individually, if required. A screen consists of several screen entries
since, for example, more related data are required for describing a machine
state than can normally be displayed in the window of a screen. Therefore
data on operating temperature, fill level, speed and running time can illus-
trate the current machine state.
The OP5 and OP15 are line displays. Accordingly, a screen on the display
comprises text items which may include static text and current state values.
Screens may be combined on the OP in a directory. You can use the directory
to display, print and edit screens.
Event messages are information and operating notes on current machine and
process states during regular production operations. Event messages may
contain process values. Process values are displayed either numerically – for
example,
Motor running at 3000 revs
or symbolically – for example,
Motor running normally,
where a specific control value is assigned to normally.
The classification of a message as an event message is done at the configura-
tion stage.
Alarm messages show, in contrast to event messages, critical machine states
dur ing production operations. Due to their urgency, they have to be acknowl-
edged before any other action is possible.
Display and
control functions
Screens
Event messages
Alarm messages
Product Description
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