Xylem FT420 RATE/TOTAL INDICATOR Manual de usuario descargar pdf (Pagina 6)

(Passes flow sensor pulse on to

another control without scaling)

Micropower

Sensor

Battery Type:

Lithium "C, 3V, replaceable

Pulse Responsive

Metering Pump

Red

White

Black

Sensor

Input

Outputs

Pulse Passthru Pulse Scaled

+

-

s

- +

- +

Current sinking

polarity-sensitive

(Passes flow sensor

pulse on to another

control without

scaling)

Pulse Responsive

Metering Pump

PULSE

PA SSTHRU

PULSE

SCALED

SENSOR

INPUT

POWER

4-20 mA

Flow Sensor

Red

White

Black

S

12-32 VDC

Loop Power Supply*

4-20 mA Device

-

+

+

-

+

-

+

-

+

-

+

-

BASIC CONNECTIONS

*FT420 ONLY

Current sinking

polarity-sensitive

Page 4

CONNECTION DIAGRAMS

Connections for FT420-65 (115 Vac Option)

Connections for FT420/3-Wire Mechanical Meter

FT415 Standard Connections

Caution: Do not apply

external power to the FT415.

3-Wire

Mechanical

Meter

AC IN

DC OUT

HOT

GROUND

-

+

POWER

4-20 mA

+

-

FT420

Lower Housing

115 Vac

NEUTRAL

LINE

1 2 3 4 5 6 7 8 9 10 11 12

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