Siemens simatic hmi op27 Equipment Manual page 19

Product Description
Messages Messages are displayed on the OP in plain text. The message text may also
contain current process values. Incoming messages are stored in a message
buffer together with their date and time.
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Messages are classified as event messages or alarm messages during configura-
tion.
Recording All message events can be additionally recorded by being printed out in online
mode on a connected printer. Messages which have accumulated in the event
and alarm buffers can also be printed out.
Print
It is possible to print the current status of a screen by pressing
is possible to configure a function which enables up to 20 screens to be printed
simultaneously.
Texts Texts identify individual parts of the screen in order to be able to assign the
fields displayed to the process.
Help texts
Help texts represent additional information and notes for the operator which
can be configured in respect of the screens, input fields and messages. The help
text relating to an alarm message may display information on the cause of a
malfunction and how to clear it.
Recipe Complete machine data records can be stored as recipes in the OP. A recipe
defines the data structure in a configuration. Data is assigned to the configured
structure on the OP.
The purpose of recipes is to transfer several items of data collectively to the
PLC. In this respect, it is immaterial whether actual recipes, specifications of
quantities, distances to be traversed or temperature variations are involved.
Multiple languages
Message texts, texts in screens, help texts and system messages can be stored
in three languages simultaneously in the OP and selected online.
Password The password protection feature prevents unauthorized operation of the OP.
protection Different passwords can be assigned to different users or user groups, thus
authorizing or prohibiting access to specific control functions by assigning
different password levels.
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Event messages
provide information and operating notes on current processes or machine
states, for example
Motor running at 3000 revs.
Alarm messages
provide information on critical machine states, for example
Motor speed too high.
Alarm messages must be acknowledged on account of their urgency.
. It
PRINT SCREEN
OP27, OP37 Equipment Manual
Release 05/99