4220 Flow Meter
Section 1 Introduction
1-6
Figure 1-3 4220 Side View Showing Connectors and Pin
Functions
Power
Sampler
Rain Gauge
Interrogator
Modem
(or Analog
Output)
Parameter
Submerged
Probe
A Ground
B 12V
Pin Function
A 12V
B Ground
C Flow Pulse Output
D Bottle Number Input
E Event Mark Input
F Inhibit/Enable Output
A 12V
B Ground
C SDO
D Rain Gauge Input
A 12V
B Ground
C Sense Line
D SDO
E SDI
F Analog Output Pulse
A = Channel 1 (-) Red
B = Channel 3 (+) Green
C = Channel 1 (+) White
D = Channel 2 (-) Brown
E = Channel 3 (-) Black
F = Channel 2 (+) Blue
A 12V
B Ground
C Input Signal (+)
D Temp (-)
E Temp (+)
F Switched 12V
G Input Signal (-)
A 12V
B Ground
C Level (+)
D Level (-)
C Ring
B Tip
E Ground