User`s manual

Chapter 2 Installation AX2200/AX2300 Instruction Manual
2-20 CM2-AX2000-2001 (Rev. 4, 4/2014)
Loop Power Flow Meter Wiring Connections
The NEMA 4X enclosure contains an integral wiring compartment with one dual
strip terminal block (located in the smaller end of the enclosure). Two 3/4-inch
female NPT conduit entries are available for separate power and signal wiring.
For all hazardous area installations, make sure to use an agency-approved fitting
at each conduit entry. If conduit seals are used, they must be installed within 18
inches (457 mm) of the enclosure.
Figure 2-14. Loop Power Wiring Terminals
Input Power Connections
To access the wiring terminal blocks, locate and loosen the small set
screw which locks the small enclosure cover in place. Unscrew the cover
to expose the terminal block.
DC Power Wiring
Connect 4-20 mA loop power (12 to 36 VDC at 25 mA, 1W max.) to the
+Loop Power and –Loop Power terminals on the terminal block. Torque
all connections to 4.43 to 5.31 in-lbs (0.5 to 0.6 Nm). The DC power wire
size must be 20 to 10 AWG with the wire stripped 1/4 inch (7 mm).
Figure 2-15. DC Power Connections
Warning!
To avoid potential electric
shock, follow National Electric
Code safety practices or your
local code when wiring this
unit to a power source and to
peripheral devices. Failure to
do so could result in injury or
death. All wiring procedures
must be performed with the
power off.