Product Description

The Siemens SITRANS LT500 Level Controller is a high-performance industrial control unit designed for continuous level measurement, pump control, and process automation.

It works with radar, ultrasonic sensors, and any 4–20 mA level transmitter, making it a flexible solution for tanks, silos, open channels, and wastewater systems. The LT500 can manage complex pump logic, relay outputs, and advanced measurement calculations such as level, volume, flow, and differential monitoring.

With multi-protocol communication support including Modbus, HART, PROFINET, and Ethernet/IP, the LT500 integrates easily into modern PLC and DCS systems, improving operational efficiency and process reliability.

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Key Features

• Supports radar, ultrasonic and 4–20 mA sensors
• Multi-parameter measurement: level, volume, flow, differential
• Up to 6 programmable relay outputs
• Advanced pump control logic (alternation, duty/standby)
• Multiple communication protocols (Modbus, HART, PROFINET, Ethernet/IP)
• Built-in data logging and diagnostics
• Compatible with SITRANS sensor portfolio
• Easy setup via quick start configuration wizard

Applications

• Water and wastewater treatment plants
• Industrial tank level control systems
• Pump station automation
• Chemical storage tanks
• Mining slurry and tailing systems
• Open channel flow measurement
• Food and beverage process tanks
• Oil & gas auxiliary systems

Selection Notes

Before selecting LT500, confirm:

• Sensor type (radar / ultrasonic / 4–20 mA input)
• Required control logic (single pump / multi-pump system)
• Number of relay outputs needed
• Communication protocol (Modbus / PROFINET / HART)
• Measurement type (level, volume, flow, differential)
• Installation environment (panel mount / industrial cabinet)
• Integration with PLC or SCADA system

FAQ

Q: What is Siemens SITRANS LT500 used for?
A: It is used for level monitoring and pump control in industrial automation systems.

Q: What sensors are compatible with LT500?
A: It works with radar, ultrasonic, and any 4–20 mA level sensors.

Q: Can LT500 control pumps?
A: Yes, it supports advanced multi-pump control logic including alternation and standby control.

Q: Does LT500 support communication protocols?
A: Yes, it supports Modbus, HART, PROFINET, and Ethernet/IP depending on configuration.

Q: What industries use LT500?
A: Water treatment, chemical plants, mining, oil & gas, and industrial automation.

Q: Is it suitable for complex level systems?
A: Yes, it is designed for advanced multi-variable level and pump control applications.