Siemens LU01 Manuel D’Utilisation

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SITRANS LU01 – INSTRUCTION MANUAL

7ML19985BE02

Setpoints are set up in P112 and P113. Each relay is triggered by one or more setpoints. 
The setpoints can be based on absolute level (P112, P113) or rate of change (P702, P703). 
Each control function specifies which setpoints are required.

This parameter presets relays to operate as Standard Alarms. The Relay Allocation 

(relay/point number association) and Standard Alarm (P101 to P104) parameters are also 

preset. 

Relay status during a measurement difficulty is dependent upon Failsafe programming. 

See Failsafe Parameters (P070 to P072) and Relay Failsafe (P129). As preset, relay status 

is held at last known material levels until a valid measurement is made. 

Independently altered Standard Alarms (P101 to P104), Relay Allocation (P110), Relay 
Function (P111) and Relay ON/OFF Setpoints (P112/P113) are automatically reset when a 
Relay S

et Up value is altered. .

1

1

1

(High Alarm) P101 = 80.00%

2

1

(Low Alarm) P102 = 20.00%

3

2

(High Alarm) P101 = 80.00%

4

2

(Low Alarm) P102 = 20.00%

2

1

1

(High Alarm) P101 = 80.00%

2

1

(High High Alarm) P103 = 90.00%

3

2

(High Alarm) P101 = 80.00%

4

2

(High High Alarm) P103 = 90.00%

3

1

1

(Low Alarm) P102 = 20.00%

2

1

(Low Low Alarm) P104 = 10.00%

3

2

(Low Alarm) P102 = 20.00%

4

2

(Low Low Alarm) P104 = 10.00%

4

1

1

(High Alarm) P101 = 80.00%

2

1

(Low Alarm) P102 = 20.00%

3

1

(High High Alarm) P103 = 90.00%

4

1

(Low Low Alarm) P104 = 10.00%

0

* OFF

1

Set  Up  1

2

Set  Up  2

3

Set  Up  3

4

Set  Up  4

•

P110 Level Source

•

P001  Operation

Programming the relays independently is the most common method used.