Figure 10-5: Electronics housing terminal blocks
A. Alarm output relay
B. 4-20 mA signal output terminal block
C. Signal port ¾ national pipe thread (NPT)
D. Power port ¾ NPT
E. Terminal block
F. External tooth lockwasher
G. Ground stud
H. Customer wiring
I. Earth ground typical for electronics and sensor housing
J. Ground stud
K. Top view (½ size)
L. EMI filter
5. Disconnect and remove the power leads from the AC power input terminal
block. Remove the ground lead from the ground stud.
6. Disconnect and remove the O
2
and COe signal leads from the alarm output
relay terminal block.
Maintenance and service Manual
December 2022 00809-0500-4880
246 Emerson.com/Rosemount
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