Siemens SITRANS LUT400 Series Operating Instructions Manual page 479

2.8.5.5.
Read only. Used to view the current state of the Out-of-bounds Level Alarm.
Options
2.8.6. Low Temperature Alarm
Reported when process temperature is within a user-defined range (see
2.8.6.2.Low Temperature Value ON
2.8.6.1.
Enables/disables Low Temperature Alarm.
Options
2.8.6.2.
Sets the temperature value (defined in ° C) at which the Low Temperature
Alarm will activate.
Values
2.8.6.3.
Sets the material level (defined in ° C) at which the Low Temperature Alarm
will de-activate.
Values
2.8.6.4.
Determines which relay (if any) will be activated when the Low
Temperature Alarm activates.
Options
2.8.6.5.
Read only. Used to view the current state of the Low Temperature Alarm.
Options
2.8.7. High Temperature Alarm
Reported when process temperature is within a user-defined range (see
2.8.7.2.High Temperature Value ON
The temperature used for the alarm is the same temperature used for sound
velocity compensation (see 2.12.1.3.Temperature Source).
Page 166 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Alarm State
Enable
*
Low Temperature Value ON
Range: -273.0 to +273.0 °C (-459.0 to +523.0 °F)
Default: 0.0 °C
Low Temperature Value OFF
Range: -273.0 to +273.0 °C (-459.0 to +523.0 °F)
Default: 0.0 °C
Assigned Relay
Alarm State
ACTIVE
INACTIVE
2.8.6.3.Low Temperature Value OFF
and
ENABLED
DISABLED
*
NO RELAY
RELAY 1
RELAY 2
RELAY 3
ACTIVE
INACTIVE
2.8.7.3.High Temperature Value OFF
and
).
).
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