Wiring Setups For Hazardous Area Installations - Siemens SITRANS LR200 HART Guía Para La Puesta En Marcha Rápida

1. If you want to rotate the instrument on the process
connection, use the 2 mm Allen key provided to loosen
the locking ring (see illustration on page 2).
2. Use the Allen key to loosen the lid-lock set screw.
3 Using a screwdriver for leverage if necessary, unscrew the cover.
4. Connect the wires to the terminal as shown: the polarity is identified on the terminal
block.
5. Ground the instrument according to local regulations.
6. Tighten the gland to form a good seal.

Wiring setups for hazardous area installations

There are five wiring options for hazardous area installations. In all cases, check the
nameplate on your instrument, and confirm the approval rating.
1. Flameproof wiring method
Approval Rating (see nameplate, inside front cover)
ATEX II 1/2 G, EEx dm ia IIC T4
• For power demands see
5 of Appendix A.
• For wiring requirements follow local regulations.
Instructions specific to hazardous area installations
• See also
2. Increased safety wiring method
Approval Rating (see nameplate, inside front cover)
ATEX II 1/2 G, EEx em ia IIC T4
• For power demands see
5 of Appendix A.
• For wiring requirements follow local regulations.
Instructions specific to hazardous area installations
• See also
7ML19985QL83
2 mm lid-lock set
screw.
Curve 2 (Flameproof, Increased Safety, Explosion-proof)
Curve 2 (Flameproof, Increased Safety, Explosion-proof)
SITRANS LR200 (HART) – QUICK START MANUAL
cable
shield
Valid for:
Europe
on page
on page 10.
Valid for:
Europe
on page
on page 10.
Page EN-7