Wiring

WARNINGS:

Turn off power to the device before unscrewing the housing cover in a hazardous area.

All field wiring for AC models must have insulation suitable for at least 250 V.

The DC input terminals shall be supplied from a source that provides electrical isolation between the input and the output, in order to meet the applicable safety requirements of IEC 61010-1.

The equipment shall be protected by a fuse or circuit breaker of up to 16 A in the building installation.

A circuit breaker or switch in the building installation, marked as the disconnect switch, shall be in close proximity to the equipment and within easy reach of the operator.

To avoid short-circuits, do not connect a load resistance with bare wires inside the connection box.

Notes:

AC and DC input circuits: min. 14 AWG (2.5 sq. mm) copper wire.

Lay power cables separately from communication wiring.

Recommended torque on terminal clamping screws: 0.5 to 0.6 N m (0.37 to 0.44 Lbf-ft).

Connecting SITRANS LR 460

1.Release the cover lock on the enclosure with a 3 mm Allen key and unscrew the cover. (Use a screwdriver for extra leverage, if required.)

2.Loosen the cable gland and push the power cable through until it reaches the terminal strip.

cover

 

lock

cable gland

 

metal bracket

power

terminal

cable

strip

 

mmmmm Wiring

(Go to HART wiring on page 20 or PROFIBUS wiring on page 21 for next steps.)

7ML19985JM01

SITRANS LR 460 – INSTRUCTION MANUAL

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Siemens LR 460 instruction manual Wiring, Connecting Sitrans LR