Soliphant M FTM50, FTM51, FTM52
10 Endress+Hauser
FEM55 electronic insert (8/16 mA H-L edge)
Power supply Supply voltage: 11...36 VDC
Power consumption: < 600 mW
Reverse polarity protection
Separation voltage: 3.7 kV
FEM55 overvoltage protection: overvoltage category III
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: < 3.6 mA
Connectable load • R = (U - 11 V) / 16.8 mA
• U = connection DC voltage 11 V…36 V
For connecting to programmable logic controllers
(PLC) for example,
AI module 4-20 mA to EN 61131-2.
Output signal jump from high to low current
on limit.
(H-L edge)
L00-FTM5xxxx-04-05-xx-en-000
EEx ia
12
FEM55
–
U– 11…36
+
E
X
E
X
e.g. PLC
~ 16 mA
~8 mA
L00-FTL5xxxx-07-05-
xx-xx-000
= 16 mA ± 5 %
= 8 mA ± 6 %
= lit
= flashes
= unlit
L00-FTM5xxxx-04-05-xx-en-006
* See also "Operating elements"
on Page 22.
+
21
+
21
+
21
+
21
~16 mA
~8 mA
~8 mA
~16 mA
+
21
8/16 mA
+
21
3.6 mA
MAX
MIN
ON
OFF
3.6 mA
MAX
MIN
MAX
MIN
Maintenance
required *
Safety mode
Level
Output signal
LEDs
green yellow red
Instrument failure