Emerson Rosemount 644 Reference Manual page 148
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
Tables
Table B-1. Process Temperatures
T6
Max Ambient
+40°C
0"
55°C
3"
55°C
6"
60°C
9"
65°C
0"
55°C
3"
55°C
6"
60°C
9"
65°C
Table B-2. Entity Parameters
Voltage Ui (V)
Current Ii (mA)
Power Pi (W)
1.3 @ T4 (-50 °C
Capacitance Ci (nF)
Inductance Li (mH)
138
T5
T4
+60°C
+60°C
Transmitter with LCD display
70°C
95°C
70°C
100°C
70°C
100°C
75°C
110°C
Transmitter without LCD display
70°C
100°C
70°C
110°C
70°C
120°C
75°C
130°C
Fieldbus/PROFIBUS
30
300
≤
≤
Ta
+60 °C)
2.1
0
T3
T2
+60°C
+60°C
95°C
95°C
100°C
100°C
100°C
100°C
110°C
110°C
170°C
280°C
190°C
300°C
200°C
300°C
200°C
300°C
HART 7 (Legacy)
30
200
≤
≤
0.67 @ T6(-60 °C
Ta
+40 °C)
≤
≤
0.67 @ T5(-60 °C
Ta
+50 °C)
≤
≤
1.0 @ T5(-60 °C
Ta
+40 °C)
≤
≤
1.0 @ T4(-60 °C
Ta
+80 °C)
10
0
Reference Manual
00809-0200-4728, Rev RA
T1
T130
+60°C
+70°C
95°C
95°C
100°C
100°C
100°C
100°C
110°C
110°C
440°C
100°C
450°C
110°C
450°C
110°C
450°C
120°C
HART (Enhanced)
30
≤
150 for Ta
80 °C
≤
170 for Ta
70 °C
≤
190 for Ta
60 °C
≤
≤
0.67 @ T6(-60 °C
Ta
+40 °C)
≤
≤
0.67 @ T5(-60 °C
Ta
+50 °C)
≤
≤
0.80 @ T5(-60 °C
Ta
+40 °C)
≤
≤
0.80 @ T4(-60 °C
Ta
+80 °C)
3.3
0
Product Certifications
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