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Reference Manual
00809-0100-4697, Rev EA
October 2011
Rosemount 848T
2-12
INSTALLATION
Using Cable Glands Use the following steps to install the 848T with Cable Glands:
1. Remove the junction box cover by unscrewing the four cover screws.
2. Run the sensor and power/signal wires through the appropriate cable
glands using the pre-installed cable glands (see Figure 2-10).
3. Install the sensor wires into the correct screw terminals (follow the
label on the electronics module).
4. Install the power/signal wires onto the correct screw terminals. Power
is polarity insensitive, allowing the user to connect positive (+) or
negative (–) to either Fieldbus wiring terminal labeled “Bus.”
5. Replace the enclosure cover and securely tighten all cover screws.
Figure 2-10. Installing the 848T
with Cable Glands
Using Conduit Entries Use the following steps to install the 848T with Conduit Entries:
1. Remove the junction box cover by unscrewing the four cover screws.
2. Remove the five conduit plugs and install five conduit fittings
(supplied by the installer).
3. Run pairs of sensor wires through each conduit fitting.
4. Install the sensor wires into the correct screw terminals (follow the
label on the electronics module).
5. Install the power/signal wires into the correct screw terminals. Power
is polarity insensitive, allowing the user to connect positive (+) or
negative (–) to either Fieldbus wiring terminal labeled “Bus.”
6. Replace the junction box cover and securely tighten all cover screws.
Figure 2-11. Installing the 848T
with Conduit Entries
Cable Gland
Sensor 1
Sensor 3
Sensor 5
Sensor 7
Power/Signal
Sensor 2
Sensor 4
Sensor 6
Sensor 8
Enclosure Cover
Screw (4)
Enclosure
Cover Screw
Sensors
1 and 2
Conduit
Sensor 3 and 4 Conduit
Sensor
5 and 6
Conduit
Power/Signal
Conduit
Sensor 7 and 8 Conduit