Interface - Siemens SITRANS L 7ML5400 Operating Instructions Manual

A high accuracy configuration consists of the LUT440 (OCM) model using XRS-5 transducer,
1)
TS-3 temperature sensor, and a Low Calibration Point of 3 m or less. Under severe EMI/EMC
environments per IEC 61326-1 the DC powered device may have an additional error increase
of up to 0.5 mm.
Achieved with a 100 μs shot width.
2)
12.3

Interface

Outputs
Inputs
Programming
SITRANS LUT400
Operating Instructions, 04/2021, A5E33329501-AG
mA analog
• 4-20 mA
1)
• 600 ohms maximum in ACTIVE mode, 750 ohms maximum in PASSIVE mode
• Resolution of 0.1%
• Isolated
Relays (3)
2)
• 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
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
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)
Technical data
12.3 Interface
289