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F-1500 Turbine Flow Meter Manual 02/18 - 1018-6 / 35726
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Figure 37. External 4-20 mA Input Wiring - AC Powered Meter
Follow the above diagram to wire the external 4-20 mA input into the flow meter using
power from the 24 VDC output of an AC powered meter.
2.6.10 OPTIONAL CONTACT CLOSURE INPUT WIRING
Option 2
Option 1
1 2 3 4 5
1 2 3 4 5
Ext. 4-20 mA
Input Device
+ 24 VDC OUT
- 24 VDC OUT
AC units only. Meter
provided DC power.
Option 2
Option 1
1 2 3 4 5
1 2 3 4 5
Figure 38. Optional Contact Closure Input Wiring
Follow the above diagram to wire an external switch input into the flow meter. The meter
is configured to have Option 1 used for the external input. If the above switch is used to
remotely reset the totalizer, a push-button switch with a momentary contact closure is
recommended.