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Description
SITRANS LT500 is the next evolution of digital level, flow, and pump controllers for radar and ultrasonic transmitters – or any 2-wire 4-20 mA device.
It is the first choice for radar sensor measurements at 80 GHz and features single and dual point measurements, 6 relays, and Modbus RTU, HART, PROFIBUS DP, PROFIBUS PA, PROFINET.
Features- Easy To Use HMI Display With Local Four-Button Programming, Menu-Driven Parameters, And Wizard Support For Key Applications
- English, German, French, Spanish, Chinese, Italian, Portuguese, Japanese, Danish, Dutch, Swedish, Finnish, Polish, And Russian Texts On The HMI.
- Removable Terminal Blocks For Ease Of Wiring.
- Digital Input For Back-Up Level Override From Point Level Device.
- Communication Options For HART, Modbus RTU, PROFIBUS PA, PROFIBUS DP and ProfiNet.
- Single or Dual Point Level Monitoring.
- Auto False-Echo Suppression For Fixed Obstruction Avoidance
- Up To 6 Independent Programmable Relays For Pump Control, Alarms, Or Remote Totalization.
- Level, Volume, And Flow Measurements In Open Channels, Differential Control, Extended Pump Control, And Alarm Functions.
- Wall And Panel Mounting Options.
- Remote Configuration Via EDD With SIMATIC PDM Or SITRANS DTM
Configure
Specifications
Specifications
Brand
Sensor Input Number of Inputs
- 1 or 2
Sensor Input Terminal Voltage
- Maximum 26 V, Min. 18 V (0 ... 22.6 mA)
Sensor Input Wiring
- 2 conductor, twisted, shielded, 0.5 ... 0.75 mm² (22 ... 18 AWG)
Sensor Input Maximum Cable Length
- 500 m (1 640.42 ft)
Sensor Input Communication
- 4 ... 20 mA
- HART protocol, for supported sensors: SITRANS LR110, LR120, SITRANS Probe LU240
Sensor Input 4 ... 20 mA Sensor Input
- Resolution 0.025 % of Full Scale
- Accuracy 0.1 % of Full Scale
Sensor Input HART Sensor Input
- Resolution and accuracy are dependent on connected sensor
Digital Input Quantity
- 2
Digital Input Switching Threshold, Low
- 0° to 0.5 Vdc
Digital Input Switching Threshold, High
- 10 ... 50 Vdc
Digital Input Current
- Maximum 3 mA
Digital Input Bias Voltage
- 24 V
Analog Output Quantity
- 2
Analog Output Range
- 0 ... 20 mA or 4 ... 20 mA
- Maximum load 750 ohm
- Resolution 0.1 % of Range
Analog Output Accuracy
- ± 20 µA
Analog Output Wiring
- 2 conductor, twisted, shielded, 0.5 ... 0.75 mm² (22 ... 18 AWG)
Remote Display Lid
- IP65/Type 3/NEMA 3
Cable Transducer and mA Output Signal
- Transducer, mA output: 2 copper conductors, twisted, with foil shield/drain wire, 300 V 0.5 … 0.75 mm² (22 … 18 AWG)
- Relay/power to be copper conductors per local requirements to meet 250 V 5 A contact rating
Relay Output Quantity
- Up to 6
- 4 form A
- 2 form C
Relay Output Rating
- 5 A at 250 Vac, non-inductive
Installation Conditions
- Location Indoor/outdoor
- Installation category II
- Pollution Degree 4
Ambient Conditions
- Ambient temperature -20° to +50° C (-4° to +122° F)
- Storage temperature -20° to +50° C (-4° to +122° F)
Weight
- Wall Mount 1.22 kg (2.68 lb)
- Panel mount 1.35 kg (2.97 lb)
Enclosure
- Material Polycarbonate
Degree of Protection
- Wall Mount IP65/Type 4X
- Panel mount IP54/Type 3
LCD Display
- 60 x 40 mm (2.36 x 1.57 inch) LCD, 240 x 160 pixels resolution
Menu Navigation
- 4 push button keys
Memory Card
- 8 GB Industrial micro SD
Power Supply AC Version
- 100 ... 230 Vac, ± 15 %, 50/60 Hz, 36 VA (17 W)
Power Supply DC Version
- 12 ... 30 Vdc (20 W)
Certificates & Approvals
- CE
- UKCA
- RCM
- EAC
- FM
- CCSAUS
- cULus
Service Interface
- USB 2.0 mini A cable
Optional Fieldbus
- HART, with Active/Passive 4 ... 20 mA
- Modbus RTU
- PROFIBUS PA
- PROFIBUS DP
- ProfiNet
Applications
Typical Applications
- Wet Wells
- Bar Screen Control
- Flumes/Weirs
- Chemical Storage
- Liquid Storage
- Hoppers
- Crusher Bins
- Dry Solids Storage