July 2023
Figure 2-2: Line voltage, earth, and 4-20 mA connections
A. Alarm output relay terminal block
B. F
C. HART
D. Signal output terminal block
E. Ground stud
F. Earth ground typical for electronics and sensor housing
G. Ground
H. Customer wiring
I. Terminal block
J. EMI filter
K. External tooth locks washer
L. Signal port ¾ NPT
M. Power port ¾ NPT
2.4
Pneumatic installation
Pneumatic system connections depend on whether reference air
set, calibration solenoids, and/or blowback equipment options are
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