Interface - Siemens SITRANS LR460 Operating Instructions Manual

6.3

Interface

Analog output (Not applicable to PROFIBUS PA option)
Digital output (Not applicable to PROFIBUS PA option)
Electrical isolation
Display
HART® is a registered trademark of HART Communication Foundation.
1)
SITRANS LR460
Compact Operating Instructions, 10/2021, A5E32007360-AB
signal range 4 to 20 mA
upper limit 20 to 22.6 mA adjustable
fail signal 3.6 mA to 22.6 mA; or last value
load Max. 600 Ω; for HART
function Configurable as a device status or limit value (level)
signal type Relay, either NCC or NOC function, max. 50 V DC, max. 200 mA, rating max. 5
W
Self-resetting fuse, R
Outputs electrically isolated from the power supply and from each other
LCD two lines of 16 characters each, configurable for the following displays: level,
amplitude, digital output, temperature, validity, signal-to-noise ratio, output
current, distance
communication min. 230 Ω
1)
= 9 Ω
i
Technical specifications
6.3 Interface
39