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Appendix C. CVF4 Ventilation Unit
C-7
C.4 Wiring
Wiring of the CVF4 is shown in TABLE
and TABLE
. Refer to
(p. 11)
, for information about wiring the pyranometer.
TABLE C-1. CVF4 8-Pin Wiring
Wire
Color
Description
Power Supply
Connection
Data Logger Connection
Brown
Ventilator
Power
+12V
--
Blue
Heater Power
+12V
--
Black
Power
Ground
G
--
White
Tachometer
Signal
--
U
configured for pulse input
1
,
P
(pulse input),
C
(control
port) or
P_SW
(pulse, switch
closure input)
Clear
Shield
--
⏚
(analog ground)
1
U
and
C
terminals are automatically configured by the measurement instruction.
TABLE C-2. CVF4 4-Pin Wiring
Wire
Color
Description
Power Supply
Connection
Data Logger Connection
Red
Ventilator
Power
+12V
--
White Heater Power
+12V
--
Black
Power
Ground
G
--
Green
Tachometer
Signal
--
U
configured for pulse input
1
,
P
(pulse input),
C
(control
port) or
P_SW
(pulse, switch
closure input)
Clear
Shield
--
⏚
(analog ground)
1
U
and
C
terminals are automatically configured by the measurement instruction.