Operating the C7-613
5-17
C7-613 Control System
A5E00138934-03
5.6 Messages
Overview
Messages are used to indicate events and states in the control process on the
C7-613 display. The messages have to be created beforehand, however
(see Section 4.3.7). A message consists of at least a static text. Fault messages
and operational messages can also contain up to four output variables.
The following different types of messages exist:
• Operational messages
• Error messages
• System messages
Operational/Fault Messages
Operational and fault messages are triggered in the user program by the control
process (see Section 4.6.1). They are specified by the user and contain
process-related information.
System Message
The C7-613 triggers system indications. They are stored in the firmware and
provide information on C7-613 operating modes as well as maloperations or
malfunctions.
5.6.1 Operational Messages and Fault Messages
Overview
During the configuration you specify whether a process state is to be displayed
with an operational message or a fault messages. For a message to be output,
your user program must call the “HMI_API” FB and the “HMI_EVENT” FB cyclically
or time-controlled.
• Operational messages
– Operational messages are messages which provide information on regular
operations or states, such as “Temperature reached” or “Motor running”.
– Operational messages are not displayed in the screen level (no conditional
change to the message level)
– Are displayed in the message level as long as they are pending.
– Are entered in the event buffer
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