Siemens SITRANS LUT400, Operating Instructions Manual

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A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS Page 77
mm
mmm
Gener
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3. Set
2.8.1.3. High Level Value OFF
= 9 m
4. Set
2.8.1.4. Assigned Relay
to Relay 3
Use the High Level alarm in conjunction with
2.8.12. Time To Spill
feature. See page 170.
Example: Setting a Low Level Alarm
To assign Relay 3 to a low level alarm that activates when the level falls below 2 m:
1. Enable the Low Level Alarm (set
2.8.2.1. Enable
= Enabled)
2. Set
2.8.2.2. Low Level Value ON
= 2
3. Set
2.8.2.3. Low Level Value OFF
= 3
4. Set
2.8.2.4. Assigned Relay
to Relay 3
In-bounds/ Out-of-bounds Range
Use the bounded range alarms to detect when the level is inside or outside of the range.
Example: Setting an In-bounds Level Alarm
To assign Relay 3 to an in-bounds level alarm do the following:
1. Enable the In-bounds Level Alarm (set
2.8.4.1. Enable
= Enabled)
2. Set
2.8.4.2. High Level Value
= 1.30 m
3. Set
2.8.4.3. Low Level Value
= 0.30 m
4. Set
2.8.4.4. Assigned Relay
to Relay 3.
Results:
• Activates alarm assigned to relay 3 when level is within range 0.3 to 1.3 m
• Resets alarm above 1.3 m or below 0.3 m
Use
2.8.4.5. Alarm State
to view the current state of the In-bounds Level Alarm.
Example: Setting an Out-of-bounds Level Alarm
To assign Relay 3 to an out-of-bounds level alarm do the following:
1. Enable the Out-of-bounds Level Alarm (set
2.8.5.1. Enable
= Enabled)
2. Set
2.8.5.2. High Level Value
= 1.30 m
3. Set
2.8.5.3. Low Level Value
= 0.30 m
4. Set
2.8.5.4. Assigned Relay
to Relay 3.
Results:
• Activates alarm assigned to relay 3 when level is outside range 0.3 to 1.3 m
• Resets alarm below 1.30 m or above 0.30 m
Use
2.8.5.5. Alarm State
to view the current state of the Out-of-bounds Level Alarm.