4-Channel Modbus TCP Weight Transmitter

The Laumas TLB4 Modbus / TCP Weight Transmitter is an advanced multi-channel weighing solution with native Modbus TCP connectivity. Designed for integration in industrial automation systems, it supports up to four 4- or 6-wire load cells, delivering precise measurement and reliable data communication via Ethernet.

This DIN rail-mountable transmitter offers high-speed performance, robust filtering, and easy configuration through PC software or programmable logic controllers (PLCs).

Key Features

• 4-Channel Load Cell Input: Supports 4 × 350 Ω or 16 × 1000 Ω load cells (4- or 6-wire)
• Modbus TCP Interface: Native Ethernet connectivity for streamlined integration with Modbus systems
• High Resolution: 24-bit analog-to-digital converter with up to 4800 readings/sec
• Flexible Calibration: Theoretical, semi-automatic with weights, or via PC
• Digital I/O: Includes 2 logic inputs and 2 open-collector outputs for control tasks
• Industrial Housing: DIN rail mount design with compact footprint

Technical Specifications

• Input Type: 4- or 6-wire load cells
• Excitation Voltage: 5 V DC
• Input Range: ±39 mV
• ADC Resolution: 24-bit
• Sampling Rate: Up to 4800 Hz
• Digital Inputs: 2 logic inputs
• Digital Outputs: 2 open-collector outputs
• Communication: Modbus TCP over Ethernet (RJ45 port)
• Power Supply: 12–24 V DC
• Mounting: DIN rail
• Operating Temperature: –10 °C to +50 °C
• Protection Rating: IP20

Downloads & Resources