Siemens sitrans PROBE LU User Manual

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Remote Operation : PA
Page 26 SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL 7ML19985JB02
Condensed Status
These codes are available when Condensed Status is enabled.
Hex
value
Status – GOOD Description
0x80 GOOD – ok
No error or special condition is associated with this
value.
0x84 GOOD – update event
Set if the value is good and the block has an active
Update event. (This status remains active for 20 sec-
onds.)
0x86
GOOD – active advi-
sory alarm
Set if the value is good and the block has an active
Alarm.
0x80
...0x8E
GOOD – limit check/
update event
See Status Codes for Good Quality on page 25 .
0xA0
...0xA3
GOOD – initiate fail
safe
This fault is not generated by the product, but can be
simulated.
0xA4
...0xA7
GOOD – maintenance
required
Value is valid. Maintenance is recommended within a
medium-term period.
0xA8
...0xAB
GOOD – maintenance
demanded
Value is valid. Maintenance is demanded within a
short-term period.
0xBC
...0xBF
GOOD – function
check
Device performs internal function check without influ-
encing the process. Value is valid.
Hex
value
Status –
UNCERTAIN
Description
0x45
UNCERTAIN – substi-
tute set
Output of Failsafe logic only.
0x4F
UNCERTAIN – initial
value
Default value as long as no measured value is available
or until a diagnosis is made that affects the value and
the status accorded to it.
0x68
...0x6B
UNCERTAIN – main-
tenance demanded
Usability of the process value depends on the applica-
tion.
Value is potentially invalid. Cause is a wear
a
detected
in the device. Maintenance is demanded within a
short-term period.

Siemens sitrans PROBE LU Specifications

General

Measuring Principle	Ultrasonic
Communication	HART
Output	4 to 20 mA
Power Supply	12 to 30 V DC
Process Temperature	-40 to 80 °C
Enclosure Rating	IP68
Material	PVDF
Ambient Temperature	-40 to 70 °C
Measurement Range	0.25 to 12 m (0.8 to 39 ft)