Precision Digital PD8-765 - Manual (Page 13)

PD8 Series Explosion-Proof Instrument Supplemental Manual
13
CONNECTIONS
WARNINGS
 Static electricity can damage sensitive components.
 Observe safe handling precautions for static-sensitive components.
 Use proper grounding procedures/codes.
 If the instrument is installed in a high voltage environment and a fault or
installation error occurs, high voltage may be present on any lead or
terminal.
 Follow all fusing and wiring precautions requirements for the instrument
integrated to the PD8 Series model number being connected.
To access the connectors, remove the enclosure cover and unscrew the two captive
screws that fasten the electronics module. Signal connections are made to de-
pluggable connectors on the back of the electronics module.
Some connectors may be provided already connected. These connections are
required for proper operation of the ProtEX-MAX, and should not be removed unless
instructed to by this manual.
Wires marked as being used for testing purposes should be removed.
Grounding connections are made to the two ground screws provided on the base –
one internal and one external.
After all connections have been completed and verified, apply power to the unit.
Required & Factory Wired Connections
The ProtEX-MAX comes with several pre-wired connections. These connections are
detailed below, and must be maintained in order for the instrument to function
properly.
For details on the required wiring to maintain basic ProtEX-MAX functions, refer to
the appropriate below section for the specific ProtEX-MAX model number.
WARNING
Observe all safety regulations. Electrical wiring should be per-
formed in accordance with all agency requirements and applicable
national, state, and local codes to prevent damage to the meter
and ensure personnel safety.