Flowserve 400MD Logix - Manual (Page 61)

63 LO_LO_ALM
64 DV_HI_ALM
65 DV_LO_ALM
Manufacturer Specific Parameters
66 PID_FORM 1
67 ALGO_TYPE 1
68 OUT_LAG 4
69 GAIN_NLIN 4
70 GAIN_COMP 4 4
71 ERROR_ABS 4 4
72 WSP 5 5
73 FUTURE1
74 BLOCK_TEST 8
Total 56 53 104 104
8.16 Alert Objects
Alert objects support the reporting of alarms and update events to operator interface devices and other field devices. Alert objects are used to
communicate notification messages when alarms or events are detected. These objects are defined in the function block application.
Alert objects contain:
• The value of the data
• Block index (a number)
• Alert key (parameter)
• Time stamp
• Priority
Logix 3400MD Digital Positioner Alert Objects
Three alert objects are defined in the Logix 3400MD digital positioner for event and alarm reporting.
• 1 for events
• 1 for discrete alarms
• 1 for analog alarms
8.17 Alarm and Event Reporting
Fieldbus Alarms, Events and Alert Objects
Alarms are generated when a block leaves or returns from a particular state.
Events are instantaneous occurrences such as the change of a parameter.
Alarms and event messages are communicated to operator interfaces and other devices using alert objects.
Logix 3400MD Digital Positioner LGENIM3405-02 11/13
61