D.1 wiring – Campbell Scientific 43347 RTD Temperature Probe and 43502 Aspirated Radiation Shield User Manual
Page 36
Appendix D. Measure Two 43347-IX Probes Using One Current Excitation Channel
D.1 Wiring
Wiring for two 43347-IX probes is shown in FIGURE D-1.
Ground CLEAR
Current Excite/+ RTD RED
Sense Signal
WHITE
Sense Signal Ref
GREEN
BLACK
EARTH GND
+ RTD
+ SENSE
- SENSE
- RTD
1000 OHM
RTD
Wire Label
43347
Terminals
R
s
Ground CLEAR
RED
Sense Signal
WHITE
Sense Signal Ref
GREEN
EARTH GND
+ RTD
+ SENSE
- SENSE
1000 OHM
RTD
43347
Terminals
R
s
#1
#2
Current Return/- RTD BLACK
- RTD
FIGURE D-1. Schematic for Two 43347-IX Temperature Probes
D.2 Example Program for two Calibrated 43347-IX
Probes
This section includes an example CR3000 program that measures two
calibrated 43347-IX probes. A CR5000 is programmed similarly. Wiring for
the example program is shown in TABLE D-1.
D-2
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