Soil Heat Flux Plates - Campbell KH20 Product Manual

CAUTION
TABLE C-11. Default Wiring for Soil Water Content Probes
Sensor Quantity
CS650/CS655
SDI-12 address 1
CS650/CS655
SDI-12 address 2
CS650/CS655
SDI-12 address 3
C.3.2.10 Soil Heat Flux Plates
TABLE C-12. Default Wiring for Non-Calibrating Soil Heat Flux Plates
Sensor Quantity
HFP01 #1 1
water content sensor can also be omitted without affecting function. The
default wiring for each is shown in TABLE C-11.
If only one soil water content sensor is being used, wire it
according to the first probe as described in TABLE C-11. If only
one sensor is being used and it is wired according to the second or
third sensor, EasyFlux DL CR6KH20 will not record any
measurements from the soil water content sensor.
Wire Description
SDI-12 Data
SDI-12 Power
SDI-12 Reference
1
Shield
Not Used
SDI-12 Data
SDI-12 Power
SDI-12 Reference
1
Shield
Not Used
SDI-12 Data
SDI-12 Power
SDI-12 Reference
1
Shield
Not Used
EasyFlux DL CR6KH20 can support from zero to soil heat flux plates. The user
has the option to use one of two supported models: the HFP01 or HFP01SC
(self-calibrating). The default wiring for the HFP01 soil heat flux plates is
shown in TABLE C-12, and the default wiring for the HFP01SC plates is
shown in TABLE C-13.
Wire Description
Signal
Signal Reference
Shield
Appendix C. EasyFlux
Color CR6 Terminal
Green
Red +12 V
Black
Clear
Orange
Green
Red +12 V
Black
Clear
Orange
Green
Red +12 V
Black
Clear
Orange
Color VOLT116 Terminal
White Diff 5H
Green Diff 5L
⏚
Clear
® DL CR6KH20
U9
G
G
⏚
U9
G
⏚
G
U9
G
⏚
G
C-10