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Siemens SITRANS FC120 Manuel De Référence page 24

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Temperature evaluation by Ex-Code:
The process temperature for each temperature class (T6 to T1) is evaluated by choosing the row according to
the corresponding row number (p6 to p2) in Table 2
The ambient temperature is evaluated by choosing the applicable ambient temperature according to the order
code of SITRANS FC.
The applicable column is specified by the value of a and temperature class (T6 to T1). The row identified by the
next larger process temperature compared to the evaluated max process temperature gives the ambient
temperature.
This ambient temperature value has to be compared with the max process temperature value; the smaller one
determines the ambient temperature (see example below).
Example for temperature determination from Ex-Code:
Order code structure:
Order code on name plate:
Ex code structure :
Ex code from name plate :
Max process temperature (Table 2)
Ambient temperature depends on
order code e.g. Table 7
Ambient temperature after
comparison with T
pro,max
Table 1: Results
Temperature class
T
[°C]
pro,max
T
[°C]
a
7ME441a-bcdef-ghjk – Z
7ME445a-bcdef-ghjk – Z
7ME446a-bcdef-ghjk – Z
7ME447a-bcdef-ghjk – Z
(e.g.: a = 0,2,4,9; h = A, B)
7ME4464-1FC34-3xJ3-Z A11 B01 E07 F03 C63
a.
p6.
3.
68.
T
[°C]
49
pro,max
T
[°C]
60
a
T
[°C]
49
a
T6
T5
T4
T3
49
63
96
159
49
63
80
74
p5.
p4.
p3.
p2.
67.
65.
54.
10.
63
96
150
150
60
60
60
60
60
60
60
60
T2
T1
179
179
65
65
2

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