Transmission Of Event Messages Over; The Bus; Protecting Settings From Unauthorized Access - Endress+Hauser Levelflex FMP55 Operating Instructions Manual

Levelflex FMP55 FOUNDATION Fieldbus
Endress+Hauser
4.
Go to the Offspec Map column and check the check box for the corresponding bit
(here: Configurable Area Bit 1). Press ENTER to confirm your entries.
A change to the In safety distance error category does not affect an error that
already exists. The new category is only assigned if this error occurs again after the
change has been made.
12.8.4 Transmission of event messages over the bus
Event priority
Event messages are only transmitted over the bus if their priority is between 2 and 15.
Priority 1-events are displayed but are not transmitted over the bus. Priority 0-events are
ignored. In the factory setting, the priority of all events is 0. The priority can be
individually changed for the four assignment parameters. The following four parameters
of the Resource Block are used for this purpose:
Suppression of certain events
It is possible to suppress certain events during transmission over the bus using a mask.
While these events are displayed they are not transmitted over the bus. This mask is in
FieldCare under Expert → Communication → Field diagnostics → Alarm broadcast
enable. The mask is a negative selection mask, i.e. if a field is selected the associated
events are not transmitted over the bus.
12.9

Protecting settings from unauthorized access

The settings can be protected from unauthorized access in the following ways:
• Locking via write protection switch (hardware locking)
• Locking via the operating menu (software locking)
• Locking via block operation:
• Block: DISPLAY (TRDDISP); parameter: Define access code
• Block: EXPERT_CONFIG (TRDEXP); parameter: Enter access code
Commissioning (block-oriented operation)
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