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Reference Manual
300530EN, Rev BA
September 2012
Rosemount 2410
3-22
Section 3. Installation
3.4.10 Non-IS
Connection
The non-IS explosion-proof/flameproof compartment has a terminal block for
connecting power supply, communication buses to host systems, relay
outputs, and HART 4-20 mA analog input and output.
1. Ensure that the power supply is switched off.
2. Loosen the safety locking screw.
3. Remove the cover on the non-IS terminal compartment.
4. Run the wires through the cable gland/conduit. Install wiring with a drip
loop in such a way that the lower part of the loop is under the
cable/conduit entry.
5. Connect wires to the terminal block. See Table 3-8 on page 3-25 for
information on the terminal block connections.
6. Use the enclosed metal plug to seal any unused port.
7. Tighten the conduits/cable glands.
8. Attach and tighten the cover. Ensure that it is fully engaged to meet
explosion-proof requirements and to prevent water from entering the
terminal compartment.
9. Tighten the safety locking screw.
NOTE!
Ensure that o-rings and seats are in good condition prior to mounting the
cover in order to maintain the specified level of ingress protection. The same
requirements apply for cable inlets and outlets (or plugs). Cables must be
properly attached to the cable glands.
Figure 3-14. Non-IS terminal
compartment
Cable entries
Safety locking screw
Non-IS compartment
Terminal block
Ground screws
Ground screw
Wiring with drip loop