8.9.1
Failure rate data
includes failure rate data, assessment details, and assumptions
regarding failure rate analysis.
8.9.2
Safety deviation
±2.0% of analog output span
8.9.3
Transmitter response time
•
< 6 s at damping value 2 s (default)
•
< 2 s at damping value 0 s (minimum)
The transmitter response time will be a function of the configured Damping value.
Rosemount Radar Master Plus has a built-in function to calculate the transmitter’s
measurement response time (requires option code EF2).
8.9.4
Diagnostic test interval
< 90 min
8.9.5
Turn-on time
< 40 s
(6)
Step response time as per IEC 61298-2.
(7)
A majority of the self-diagnostic tests is performed once every second and an action (if necessary) is taken in less than 30
seconds (default).
(8)
Time from when power is applied to the transmitter until performance is within specifications.
Safety Instrumented Systems (SIS) requirements
Reference Manual
February 2020
00809-0100-4408
162
Reference Manual
Содержание Rosemount 5408
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