Siemens LU01 Manuel D’Utilisation

Page 42

SITRANS LU01 – INSTRUCTION MANUAL

7ML19985BE02

Sets the control algorithm used to trip the relay.

When accessed, the Parameter Type display changes to the Relay symbol and the Index 
display changes to the Relay Number (corresponding to the SITRANS LU01 terminals).

Use zero 0 (preset) to disable control of the indexed relay.

To enter a relay designation: 

1.

Press 

 to display the Auxiliary Function symbol, 

2.

Press 

 or 

 to scroll access the desired relay designation and... 

3.

Press . 

 

Refer to Point Alarm and Status section in SmartLinx instruction manuals for more 
information.

Relay

See chart on next page

•

P100 Preset Applications

All relay ON/OFF points must be referenced from Empty (P006), regardless 

of Operation Mode selection (POO1).

Level

LL, L, H, or HH

Similar to Standard Alarms but with Relay ON/OFF Setpoints

In Bounds

b1 or b2

1

1.

The relay designation is not displayed but is included in the data message.

Alarms when level is between the Relay ON/OFF Setpoints

Out of Bounds b1 or b2

1

Alarms when level is not between the Relay ON/OFF Set-
points

Rate

r1 or r2

1

Level rate of change alarm with Relay ON/OFF Setpoints

Temperature

Not applicable

Alarm is activated by independent Relay ON/OFF Setpoints

LOE

Not applicable

Relay de-energizes in the event of Failsafe timer (P700) expiry

Cable fault

Not applicable

Relay de-energizes under transducer short or opened condi-
tion

Pump

Not applicable

With independent Relay ON/OFF Setpoints

When the Relay Function is altered, affected Alarm Parameters (P101 to 

P104) display "ch" (changed) when accessed. Use the Relay ON/OFF Setpoints 
(P112/P113) instead.