Emerson 3412 User Manual
44
GROUNDING METER ELECTRONICS HOUSING
Section 3: Electrical installation
Daniel 3410 Series Ultrasonic Gas Flow Meter Installation Manual
June 2014
3-9000-759 Rev D
3.3
Grounding meter electronics housing
The meter electronics should be internally grounded for intrinsically safe operations. Connect a
wire to the chassis ground lug installed inside the Transmitter Electronics Enclosure as the
primary ground. A secondary ground is located outside of the Transmitter Electronics Enclosure
(
wire to the chassis ground lug installed inside the Transmitter Electronics Enclosure as the
primary ground. A secondary ground is located outside of the Transmitter Electronics Enclosure
(
).
Figure 3-1 Internal Transmitter Electronics Enclosure chassis ground
The internal grounding terminal shall be used as the primary equipment ground. The
external terminal is only a supplemental bonding connection where local authorities permit
or require such a connection. DO NOT connect digital grounds to the ground lugs.
external terminal is only a supplemental bonding connection where local authorities permit
or require such a connection. DO NOT connect digital grounds to the ground lugs.
A. Transmitter Electronics Enclosure ground lug
A.