Helios PD2-6363 Dual Pulse Input Rate/Totalizer
Instruction Manual
16
Flowmeter Supply Voltage
Selection (P+, P-)
All meters, including models equipped with the
12-24 VDC power option, are shipped from the
factory configured to provide 24 VDC power for
the flowmeter or sensor.
If the flowmeter requires 5 or 10 VDC excitation,
the switch labeled P+/P- must be configured
accordingly.
To access the voltage selection switch:
1. Turn off the power to the meter.
2. Unscrew and open the lower door panel.
3. Locate the P+/P- switch located in the
center of the connections board (see
diagram below).
4. Flip this switch into the appropriate
position for the required flowmeter
excitation.
Figure 8. Flowmeter Supply Voltage Selection
P+/P-
24V 10V 5V
MENU RIGHT UP ACK
MENU
RESET
F1
MAX
F2
ENTER
F3
