LCA20 & LCB20 Load Cell Amplifier with Data Outputs RS232 & RS485 New Design PCB User Benefits The ROHS Compliant LCA20 flexible digital signal conditioning amplifier for multiple or single load cell applications, offering very easy one-pass calibration and fast set-up Improved stability of load cell input Improved analogue output response time Full digital set-up and calibration using keypad or PC Easy load cell sensitivity selection set by PC or keypad Analogue and data output, set point and display capabilities AC or DC powered Simple one pass calibration Easy configuration using LCA Toolkit software Available with DIN Rail mounting or PCB module or a stainless steel case Introduction The LCA15 has been redesigned to become the LCA20 taking advantage of new technology with improved performance and increased functionality. The external appearance and dimensions of the LCA20 remains the same as the LCA15. In addition to the introduction of a new microprocessor and using the latest RISC technology, the LCA20 has many new features such as the selection of device parameters via a PC or keypad rather than using the traditional on-PCB switches. A PCB only version, which can be DIN rail mounted, is also available as the LCB20. RS485 and RS232 digital data output for communications and printing Measurement speeds 10 / 80 samples per sec Factory calibration in mV/V 5 V excitation supports up to 10 x 350 R load cells Fully isolated 4-20 mA and 0-10 V analogue outputs 6 wire input to compensate for barrier and cable losses 2 set points SPCO relay outputs Sensitivity from 0.5 to 7.8 mV/V 10 pt linearization 3 x configurable digital inputs e.g. for auto tare, peak hold and reset Firmware now supports Mantrabus 1 & 2, MANTRA ASCII 2 & MODBUS RTU ROHS Compliant & Environmentally sealed to IP65 / NEMA 4 enclosure dimensions 200 x 120 x 75 mm Civil Engineering Industrial Processing

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