Emerson Rosemount 644 - Page 43

Table 5-5: Entity Parameters
 Fieldbus/PROFIBUS
®
[FISCO]
HART
®
HART (Enhanced)
U
i
(V) 30 [17.5] 30 30
I
i
(mA) 300 [380] 200 150 for T
a
≤ 80 °C
170 for T
a
≤ 70 °C
190 for T
a
≤ 60 °C
P
i
(W) 1.3 at T4 (–50 °C ≤ T
a
≤
+60 °C)
[5.32 at T4 (–50 °C ≤ T
a
≤ +60 °C)]
.67 at T6(–60 °C ≤ T
a
≤
+40 °C)
.67 at T5(–60 °C ≤ T
a
≤
+50 °C)
1.0 at T5(–60 °C ≤ T
a
≤
+40 °C)
1.0 at T4(–60 °C ≤ T
a
≤
+80 °C)
.67 at T6(–60 °C ≤ T
a
≤
+40 °C)
.67 at T5(–60 °C ≤ T
a
≤
+50 °C)
.80 at T5(–60 °C ≤ T
a
≤
+40 °C)
.80 at T4(–60 °C ≤ T
a
≤
+80 °C)
C
i
(nF) 2.1 10 3.3
L
i
(mH) 0 0 0
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