Endress+Hauser Liquiphant M FTL51C - Operating Principle; Light Signals

Liquiphant M FTL51C
18 Endress+Hauser
Operating principle Measuring the density of a liquid medium in pipes and tanks. Also suitable for use in hazardous areas,
and preferably for applications in the chemical and food industry.
TI420Fxx016
* Pressure and temperature information required depending on the application.
1. Liquiphant M sensor with electronic insert FEL50D (pulse output);
2. Temperature sensor (e.g. 4 to 20 mA output);
3. Pressure transmitter (4 to 20 mA output);
4. Liquiphant density and concentration computer FML621 with display and operating unit
Light signals
Endress+Hauser
On
RMM621
*
*
Endress+Hauser
On
RMM621
1. 2. 3. 4.
PLC/SPS
PLC/SPS
FML621
FML621
E
X
E
X
LED Symbol Information
Yellow Measurement valid
Unstable process situation
Maintenance required
Green Power on
Power off
Red No fault
Maintenance required
Device failure