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XNX Universal Transmitter Technical Manual - Page 47

For XNX UNIVERSAL.

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XNX Universal Transmitter
Section 2 - Installation and Operation
45
mV Remote Sensor Mounting
Thesensorcanbemountedremotelyfromthetransmitter;the
installation will vary by installed location, sensor and thread type
used. To remotely mount the sensor, follow this procedure:
1. Unscrew the transmitter’s weatherproof cover and loosen
the retainer locking screw with the supplied hex key.
2. Run conduit from one of the transmitter’s available conduit
ports to the location of the remote terminal housing.
A terminal housing provides a mounting base for the
sensor. The installation wiring enters the terminal housing
via conduit.
UL/CSA Aluminum Junction Box
2441-0022
UL/CSA Stainless Steel Junction Box
2110B2103
ATEX/IEC Junction Box
00780-A-0100
Figure 47. Remote Terminal Housings
The distance between the XNX Transmitter and remote
installation must comply with these parameters to insure proper
operation. Distances are dependent on sensor types and the
wire gauge used.
AWG Metric Wire Gauge
MPD CB1, 705 Series.
Sensepoint Series
Sensors
MPD IC1, IV1 & IF1 Sensors
24 0.25 mm
2
12m (47 ft.) 30m (97 ft.)
22 20m (65 ft.) 50m (162 ft.)
20 0.5 mm
2
30m (97 ft.) 80m (260 ft.)
18 50m (162 ft.) 120m (390 ft.)*
16 1.0 mm
2
80m (260 ft.)* 200m (650 ft.)*
* Frequency of Zero calibration may increase due to the changes in wire resistance from changing temperature.
3. Wire the pluggable terminal block as shown in Figure
45 then plug the connector into the back of the mV
personalityboard.InremotemountMPDcongurations,
the 3 wires connecting the pluggable terminal block and
the remote MPD must be routed through the supplied
ferrite bead (Honeywell Analytics part no. 0060-1051,
supplied in the accessory kit) as shown in Figure 48.
Internal Ground Lug
(do not use)
Power
Ferrite Bead
for Remote
Sensor Wiring
mV
Remote
Sensor
XNX Universal Transmitter
Figure 48. Ferrite bead wiring
4. Mounttheremotesensorjunctionboxwithsufcientroom
belowtotthesensorandweatherproofcover.
Warning: Install the junction box according to local codes and
manufacturer’s requirements.
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