PD6928 Ex-Proof & I.S. Loop-Powered Flow Rate/Totalizer
Instruction Manual
21
Connections
To access the connectors, remove the enclosure cover and unclip the display module by pulling it from the enclosure.
Signal, backlight, open collector, and digital input connections are made to removable connectors on the display
module. Relays and 4-20 mA output connections (if installed) are made to removable connectors on the options
module mounted in the base of the enclosure. The display module may be disconnected from the options module to
facilitate wiring to the options module. Grounding connections are made to the two ground screws provided on the
base of the enclosure, one internal and one external.
•
Observe all safety regulations. Electrical wiring should be performed in accordance with all agency
requirements and applicable national, state, and local codes to prevent damage to the meter and ensure
personnel safety.
•
Static electricity can damage sensitive components.
•
Observe safe handling precautions for static-sensitive components.
•
Use proper grounding procedures/codes.
•
If the meter is installed in a high voltage environment and a fault or installation error occurs, high voltage may
be present on any lead or terminal.
Display & Options Modules
The display module snaps into built-in rails on the enclosure ensuring a secure and perfect fit every time. No tools are
needed to install or remove it. The options module is screwed into the base of the enclosure. Both modules
completely encase the printed circuit boards.
Options Board (Left) and Display Module (Right)
Options Board Connected to Display Module
Options Board Mounted on the Bottom of Enclosure
Display Module Mounted on Built-In Rails
