Endress+Hauser Levelflex FMP51 Modbus - Page 46

Levelflex FMP51 Modbus
46 Endress+Hauser
With a temperature (T
p
) at the process connection the admissible ambient temperature (T
a
) is
reduced according to the following diagram (temperature derating):
Temperature derating for FMP51 with threaded connection G¾ or NPT¾
[°C] ([°F])
T
a
[°C] ([°F])
T
a
[°C] ([°F])
T
a
[°C] ([°F])
T
a
[°C]
[°C]
[°C]
[°C]
([°F])
([°F])
([°F])
([°F])
T
T
T
T
p
p
p
p
+200
+200
+200
+200
(+392)
(+392)
(+392)
(+392)
+82
(+180)
+79
(+174)
+74
(+165)
-40
-40
-40
-40
(-40)
(-40)
(-40)
(-40)
GT20: +58(+136)
GT20: +54(+129)
GT18: +48(+118)
GT18: +48(+118)
GT19: +29(+84)
GT19: +29(+84)
+80 (+176)
GT18/20: +79 (+174)
GT19: +74 (+165)
-40/-50 (-40/-58)³
-40/-50 (-40/-58)³
-40 (-40)
-40 (-40)
T
a
T
p
4...20 mA HART
A:
4...20 mA HART
4...20 mA
C:
90...253 VAC
K:
10.4...48 VDC
Modbus
L:
M:
GT20: +57(+134)
GT18: +48(+118)
+81 (+178)
+79
(+174)
GT20: +54(+129)
GT18: +48(+118)
+79 (+174)
PROFIBUS PA
FOUNDATION Fieldbus
Switch output
G :
2
+81
(+178)
PROFIBUS PA
FOUNDATION Fieldbus
G :
1
A0013687
GT18 = stainless steel housing
GT19 = plastic housing
GT20 = aluminum housing
A = 1 current output
C = 2 current outputs
G
1
, G
2
= PROFIBUS PA
1) 2)
K, L = 4-wire
T
a
= ambient temperature
T
p
= temperature at the process connection
1)
G
1
: switch output not used
2)
G
2
: Switch output used