Emerson Rosemount 644 Reference Manual page 144
Temperature transmitter with hart protocol
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Also See for Rosemount 644:
- Reference manual (134 pages) ,
- Quick start manual (52 pages) ,
- Service manual (37 pages)
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Appendix B: Product Certifications
April 2015
Maximum input power:
2.
Terminals of power supply (+, -)
Transmitter
output
F, W
F, W (FISCO)
Terminals of sensor (1,2,3,4)
Transmitter
output
F, W
Terminals of power supply (+, -)
Maximum input
Terminals of sensor (1,2,3,4)
Maximum
output voltage:
134
For Enhanced 644 HART
(W)
0.67
0.67
1.3
5.32
Parameters are:
For 644 Fieldbus, Profibus, and Legacy 644 HART
Maximum
input voltage:
U
(V)
i
A
30
30
17.5
Maximum
output
voltage:
U
(V)
o
A
13.6
13.9
For Enhanced 644 HART
Maximum input
voltage:
U
(V)
i
150 (Ta
170 (Ta
30
190 (Ta
Maximum
output
current:
U
(V)
o
I
(mA)
o
13.6
80
T code
Ambient temperature
T6
-60 °C
T5
-60 °C
T4
-60 °C
T4
-60 °C
Maximum
Maximum
input current:
input power:
I
(mA)
P
i
i
200
0.67/1
300
1.3
380
5.32
Maximum
Maximum
output
output
current:
power:
I
(mA)
P
o
o
80
0.08
23
0.079
Maximum input
current:
power:
I
(mA)
P
(W)
i
i
≤
+80 °C)
≤
+70 °C)
0.67/0.8
≤
+60 °C)
Maximum
output
power:
P
(W)
group
o
0.08
Reference Manual
00809-0200-4728, Rev RA
≤
≤
Ta
+40 °C
≤
≤
Ta
+50 °C
≤
≤
Ta
+40 °C
≤
≤
Ta
+80 °C
Maximum internal
parameters:
(W)
C
(nF)
i
10
2.1
2.1
Maximum internal
parameters:
(W)
C
(nF)
o
75
7.7
Maximum internal
parameters:
C
(nF)
i
3.3
Maximum internal
parameters:
Gas
C
(nF)
o
IIC
0.816
IIB
5.196
IIA
18.596
Product Certifications
L
(mH)
i
0
0
0
L
(mH)
o
0
0
L
(mH)
i
0
L
(mH)
o
5.79
23.4
48.06
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