Weight transmitter with serial interface SCT-1SX

with Ethernet interfacedigitalserial

Overview

• Real-time load cell status diagnostics and fault warnings
• Micro-USB port for programming and device communication
• Integrated fieldbus and web server for configuration, diagnostics and remote data backup via Ethernet
• Processes up to 4,800 weight readings per second for precise weight filtering
• Fieldbus update rate up to 120 updates/s; serial update rates up to 1600 Hz
• New power supply circuit powering up to 16 × 350 Ω load cells for improved weighing stability
• Protection against overload, polarity reversal and short circuits for industrial environments
• Modbus RTU integrated on all versions (high update rates)
• Multiple calibration methods: theoretical (mV/V), sample weights, web server or xSpeed software; compatible with Rice Lake Tools

Optional xSpeed Software

• Customize weighing filter to balance speed and accuracy in static and dynamic applications
• Graphical weighing analysis to detect mechanical disturbances and vibrations
• Oscilloscope function for diagnostics and filter optimization

Product Summary
The SCT-1SX is a digital weight transmitter designed for industrial automation and process-control systems. It delivers millisecond-level conversions and high-resolution counts for precise weighing, supports powering up to 16 load cells, and offers multiple I/O and communication options for integration with PLCs and control networks. Built-in diagnostics, fieldbus protocols and a web interface simplify commissioning, monitoring and remote maintenance.

SCT-1SX Specifications (summary)

• Power: 12 to 24 VDC, 5 W
• Power consumption: 70 mA min to 100 mA max
• Excitation voltage: 5 V, 250 mA — supports up to 16 × 350 Ω load cells
• Analog input range: ±39 mV
• Analog sensitivity: 0.01 µV/d (high resolution); 0.3 µV/e (legal-for-trade)
• A/D sample rate: up to 4800 Hz
• Resolution: internal 1,500,000 counts; display 800,000; legal-for-trade up to 10,000 e (or multi-field 2 × 3,000 e)
• Digital I/O: 2 configurable inputs (12–24 VDC); 4 configurable outputs (150 mA, 48 VAC / 150 mA, 60 VDC)
• Communication: RS-485, RS-232, micro-USB; fieldbus update up to 120 Hz; serial up to 1600 Hz
• Analog output (optional): OPTO isolated 16-bit; 0–20 mA / 4–20 mA (max 350 Ω); 0–5 V / 0–10 V (min 10 kΩ)
• Display: six-digit (8 mm) red LED; Keys: five-key membrane panel (Zero, Tare, Mode, Print, C)
• Dimensions: 120 × 23 × 112 mm (4.72 × 0.9 × 4.0 in)
• Operating temperature: -20 °C to 60 °C; Certified: -10 °C to 40 °C
• Humidity: 85% non-condensing; Enclosure: ABS plastic
• Warranty: one-year limited; Approvals: CE-M EN 45501; EMC 2014/30/EU; LVD 2014/35/EU; RoHS 2011/65/EU; OIML R61 - MID; OIML R76

Technical specifications

• Power: 12–24 VDC, 5 W; consumption 70–100 mA
• Excitation: 5 V, 250 mA (supports 16 × 350 Ω)
• Input range: ±39 mV; sensitivity: 0.01 µV/d (0.3 µV/e legal)
• A/D rate: up to 4800 Hz; internal resolution 1,500,000 counts
• I/O & communications: 2 inputs, 4 outputs, RS-485, RS-232, micro-USB, fieldbus, Modbus RTU
• Analog output optional (OPTO isolated 16-bit): current/voltage options
• Indicators: Net, center of zero, stability; Display: 6-digit LED
• Dimensions & environmental: 120 × 23 × 112 mm; -20 °C to 60 °C operating; 85% RH non-condensing