Bently Nevada Velomitor Sensor Operation Manual page 12

(1)
and 4.
(2)
Sensor input with external barriers.
(3)
(4)
(5)
(6)
(7)
Figure 1-3. 3500/42 Monitor with Prox/Velom I/O Module with External
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Wiring shown for Channels 1 and 2. Wiring typical for Channels 3
3500 Prox/Velom I/O Module with internal terminations, Velomitor®
Safe area or Zone 2, Division 2
Hazardous area
Channel 1 Velomitor® Sensor
Channel 2 Velomitor® Sensor
Velomitor® Sensor top view
Barriers
Section 1 - Operating Information
7