User's Manual

Table Of Contents
Page I-6 SITRANS LR 460 – INSTRUCTION MANUAL 7ML19985JM01
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Specifications
Long-term stability ± 1 mm/year
Update time at 4mA mA output and loop display is updated once per
second
Beam angle 3" horn: 11° at –3 dB boundary
4" horn: 8° at –3 dB boundary
Memory
non-volatile EEPROM
no battery required
Interface
Analog output (Not applicable to PROFIBUS PA option)
signal range 4 to 20 mA
upper limit 20 to 22.5 mA adjustable
fail signal 3.6 mA; 22 mA; 24 mA or last value
load Max. 600 ; for HART
1
communication min. 230
Digital output
function Configurable as a device status or limit value (level,
volume, mass)
signal type Relay, either NCC or NOC function, max. 50 V DC,
max. 200 mA, rating max. 5 W.
Self-resetting fuse, R
i
=9
Electrical isolation Outputs electrically isolated from the power supply and
from each other
Display
LCD two lines of 16 characters each, configurable for the
following displays:
level, volume, mass, amplitude, digital output,
temperature, validity, signal-to-noise ratio
Programmer (infrared keypad)
Siemens Milltronics infrared IS (Intrinsically Safe) handheld programmer for hazardous
and all other locations (battery is non-replaceable)
approval: ATEX II 1 G EEx ia IIC T4, certificate SIRA 01ATEX2147
CSA and FM Class I, Div. 1, Gr. A, B, C, D T6 @ max.
ambient temperature of 40 °C (104 °F)
1.
HART® is a registered trademark of HART Communication Foundation.