Dwyer FPCA - Manual (Page 2)

The PWC2 dual power supply is
designed for applications in which
a magmeter is used together with
a 4-20 mA transmitter. Although a
single 24 Vdc power supply can be
used, there is a risk of a ground loop
interfering with proper operation of
the 4-20 mA current loop. This risk
is eliminated by the dual power supply.
The housing is rugged molded ABS plastic, NEMA 4X rated. It can
be wall or panel mounted. The PWC2 can be hardwired to the AC
main supply or plugged into a standard outlet using the included
power cord. Inside there are separate terminals to connect the
two devices to the fully isolated supplies.
SPECIFICATIONS*
115 Vac/230 Vac internally switchable
12 Vdc output +/- 1% @ 350 mA
24 Vdc output +/- 4% @ 100 mA
22 - 12 AWG
4.93” L x 4.93” W x 2.92” H
(125 x 125 x 74mm)
-20˚ to +60˚ C
NEMA 4X
Input Power
Output Voltage/Current
Teminal Block Wire
Size Range
Dimensions
Operating Temperature
Environmental
INSTALLATION and CONNECTIONS
Remove the cover to expose the four mounting holes at the bottom
of the cover screw tubes. Mark the mounting surface, drill, and
attach with screws. Do not drill additional holes in the box. Doing
so will allow moisture into the enclosure.
Waterproof strain reliefs for power
outputs (12Vdc & 24Vdc). Remove
cover to access terminal blocks.
Remove the 4 screws to
access mounting holes.
Holes are on 4.330
centers.
3 Conductor power cord, supplied (may be
replaced with suitable wiring)
PWC2
DIMENSIONS
Caution 1: Important! Do not connect power to the
PWC2 until all connections have been made and con-
firmed correct, and the cover has been put back into place.
Caution 2: It is essential for safety and proper operation
to use a ground connection for the 115 Vac power. Do not
use this power supply without proper grounding.
PWC-SERIES
Power Supply
*Specifications subject to change