Siemens SITRANS LUT400 - Interface

SITRANS LUT400
Operating Instructions, 07/2019, A5E33329501-AC
285
12.3 Interface
Outputs
mA analog
• 4-20 mA
1)
• 600 ohms maximum in ACTIVE mode, 750 ohms maximum in PASSIVE mode
• Resolution of 0.1%
• Isolated
Relays
2)
(3)
• 2 control
• 1 alarm control
Control relays
• 2 Form A (SPST), NO relays
• Rated 5A at 250 V AC, non-inductive
• Rated 3A at 30 V DC
Alarm relay
• 1 Form C (SPDT), NO or NC relay
• Rated 1A at 250 V AC, non-inductive
• Rated 3A at 30 V DC
Inputs
Discrete (2)
• 0-50 V DC maximum switching level
• Logical 0 = < 10 V DC
• Logical 1 = 10 to 50 V DC
• 3 mA maximum draw
Programming
Primary
Local push buttons
Secondary
• PC running SIMATIC PDM
• PC running Emerson AMS Device Manager
• PC running a web browser
• PC running a Field Device Tool (FDT)
• Field Communicator 375/475 (FC375/FC475)
Compatible transducers
EchoMax series and STH series
Transducer frequency
10 to 52 kHz
Communication
• HART 7.0
• USB