Precision Digital PD662 - Manual (Page 10)

PD662 Loop-Powered Meter Instruction Manual
10
Mounting
The PD662 can be wall mounted using the mounting holes beneath the
cover screws. A ½” NPT pipe conduit hole is provided. It can be panel
mounted with the addition of the PDA6624 panel mount kit. It can also
be pipe mounted by using the PDA6845 pipe mount kit.
Refer to Mounting Dimensions, page 28 for details on wall or panel
space requirements.
The unit shall be installed in a way that will prevent
any accidental contact of the internal meter circuits
and power supply lines.
Cable suitable for outdoor use and a CSA Approved
gland rated 4X, or a suitable conduit and a CSA
Approved connector rated 4X, is intended to be used
in final installation.
Metallic conduit shall be reliably bonded to protective
earth/ground without creating any ground loop.
PD662 Connections
Disconnect power before opening the unit.
To access the connectors, remove the enclosure cover and unscrew the
two captive stainless steel screws on the rear mounting board. Remove
the meter assembly from the enclosure. Signal connections are made to a
three-terminal removable connector. The signal wiring terminal block is on
the rear of the meter assembly.
S+ 4-20 mA signal input positive terminal connection
S- 4-20 mA signal return/negative terminal connection
X Not connected (no backlight option)
B- 4-20 mA signal return/negative terminal when using the
installed loop powered backlight option