Soliphant M FTM50, FTM51, FTM52
12 Endress+Hauser
FEM57 electronic insert (PFM)
Power supply Supply voltage: 9.5...12.5 VDC
Power consumption: < 150 mW
Reverse polarity protection
Current consumption: 10...13 mA
Separation voltage: 0.5 kV
Electrical connection Two-wire connection for separate switching unit
Output signal
Signal on alarm Output signal on power failure or in the event of device failure: 0 Hz
Connectable load • Floating relay contacts in connected switching unit Nivotester FTL120Z, FTL170Z, FTL320, FTL325P,
FTL370, FTL372 or FTL375P.
• For contact load see the Technical Data of the switching unit.
For connecting to switching units
Nivotester FTL120Z, FTL170Z, FTL320,
FTL325P, FTL370, FTL372, FTL375P
from Endress+Hauser.
Output signal jump of PFM signal from high to
low frequency when sensor is covered.
Switching between minimum/maximum
safety in the Nivotester.
Additional function "self test":
After interruption of the power supply,
a test cycle is activated which checks the sensor
and electronics without any change in level.
For this purpose, the operating elements must be
configured as follows.
The test is activated and monitored at the
switching unit.
L00-FTM5xxxx-04-05-xx-en-003
OFF
ON
ON
OFF
– +
78
33 34
37 38
d4 d2
z6 d6
z4 z2
PFM
50 /
150 Hz
E
X
E
X
EEx ia
12
FEM57
Nivotester
FTL120Z, FTL320
FTL325P 1CH
FTL325P 3CH
FTL170Z, FTL370/372
FTL375P 1CH
Input 1
FTL170Z, FTL372
FTL375P 2CH
Input 2
FTL375P 3CH
Input 3
L00-FTL5xxxx-07-05-
xx-xx-000
= lit
= flashes
= unlit
L00-FTM5xxxx-04-05-xx-en-009
* See also "Operating elements"
on Page 22
150 Hz
50 Hz
0Hz
150 Hz
0Hz
OFF
ON
OFF
ON
Maintenance
required *
Safety mode
Level
Output signal
(PFM)
LEDs
green yellow red
Instrument failure
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