Endress+Hauser Levelflex FMP51 Modbus Technical Information page 46

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