Intro4u2u

With Sitrans LUC500, Siemens Automation and Drives (A&D) introduces an advanced ultrasonic level controller for duplex lift stations run by operators of water and wastewater plants. Its design integrates common PLC lift station functionalities into one preconfigured unit. The device improves efficiency, reduces energy consumption and maintenance costs by decreasing pump failures and site visits. Sitrans LUC500 replaces Milltronics EnviroRanger ERS 500, maintaining the same proven features and benefits.

Sitrans LUC500 combines non-contacting ultrasonic technology, echo-processing techniques and proven application software to provide accurate level control of liquids in wet wells up to 15 meters (50 feet) deep. It also monitors flow in flumes, weirs, and other open channels. Sitrans LUC500 features fault monitoring and data logging for trend analysis, logging time, date, volume or any other application event. It integrates seamlessly with Scada, PLC, or DCS systems to provide remote access to all system parameters e.g. pumped volume, pump runtime and pump status.

Sitrans LUC500 provides up to 16 digital inputs for pump interlocks for pump faults (thermal, seal failure), power failure, pump run status and H/O/A switch (Hand/Off/Auto). The integral telemetry interface for Modbus RTU/ASCII allows remote control in real time. The patented algorithm for calculation of pumped volume works within 5% accuracy. Furthermore the level controller offers logging of pump runtime and number of pump starts, as well as an energy saving function with built-in real-time clock. Five relays control any combination of pumps, gate valves, and alarms. A pump performance/efficiency monitoring function calculates the pump capacities each time the pumps operate, and compares these to the reference pump capacities set by the user. If the monitored pump capacity falls below the entered reference value, an alarm indicates operational error, detecting complete pump failure. Sitrans LUC500 is expandable to meet a variety of applications with I/O modules RAM for data logging, dual point measurement, and industrial communications, including Profibus DP. Optional Windows based software Dolphin Plus provides simple system configuration and diagnostics. The device is available for rack mount, panel mount or wall mount.