Campbell Scientific 43347 RTD Temperature Probe and 43502 Aspirated Radiation Shield User Manual
Page 37
Appendix D. Measure Two 43347-IX Probes Using One Current Excitation Channel
TABLE D-1. Wiring for Two 43347-IX Probes Example
Color Function
CR3000,
CR5000
Probe
#1
Red
Switched Current Excitation IX1
White Differential
High
1H
Green Differential
Low
1L
Black Excitation Return
Red of Probe #2
Clear Shield
Probe
#2
Red
Switched Current Excitation Black of Probe #1
White Differential
High
2H
Green Differential
Low
2L
Black Excitation
Return
IXR
Clear Shield
(2) 43502 Shields
White Tachometer
C1 for first probe, C2 for second
Red *12V
power
Black *Gound
*wired to the 115Vac/12DC transformer supplied with the 43502, or
separate 12Vdc supply
'CR3000 Series Datalogger
'Declare Variables and Units
Public RTD1_Res, RTD1_Cal_C
Public RTD2_Res, RTD2_Cal_C
Public 43502_Tach
Public 43502_Tach_1
Units 43502_Tach = Hz
Units 43502_Tach_1 = Hz
'Define Data Tables
DataTable (PRT_Data,1,1000)
DataInterval
(0,15,Min,1)
Average(1,RTD1_Cal_C,IEEE4,False)
Average(1,RTD2_Cal_C,IEEE4,False)
Sample
(1,43502_Tach,FP2)
Sample
(1,43502_Tach_1,FP2)
EndTable
'Main Program
BeginProg
Scan
(1,Sec,0,0)
D-3