Current Input Active Or Passive - Honeywell VERSAFLOW SONIC 1000/TWS 9000 Handbook

Ultrasonic clamp-on flowmeter for liquids
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VERSAFLOW SONIC 1000/TWS 9000

4.10.6 Current input active or passive

DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
INFORMATION!
For further information on electrical connection refer to Description of the inputs and outputs on
page 69
.
INFORMATION!
For frequencies above 100 Hz, shielded cables are to be used in order to reduce effects from
electrical interferences (EMC).
Field housing versions:
Field housing versions:
Field housing versions:
Field housing versions: Shield connected via the cable terminals in the terminal
compartment.
Wall-mounted versions: Shield connected using 6.3 mm / 0.25" push-on connectors in the
Wall-mounted versions:
Wall-mounted versions:
Wall-mounted versions:
terminal compartment.
Connection diagrams of Ex i inputs:
INFORMATION!
Any connection polarity.
Figure 4-37: Current input active IIn
1 Signal
2 2-wire transmitter (e.g. temperature)
Figure 4-38: Current input passive IIn
1 Signal
2 2-wire transmitter (e.g. temperature)
34-VF-25-07 iss.2 GLO Nov 11 US
ELECTRICAL CONNECTIONS
a
p
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