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Laumas TLB4 Four‑Channel Weight Transmitters

The Laumas TLB4 series offers powerful multi-channel weight transmission in a compact module—ideal for weighing systems, batching hoppers, multi-load‑cell scales, silos, and PLC-controlled applications.


Key Features & Capabilities

  • Four independent channels, each configurable for load-cell input with automatic digital equalisation and diagnostics
  • Backlit six-digit display with clear status indicators for real-time monitoring
  • Multi-level outputs: RS-485 (Modbus RTU), analogue signals (0–20 mA, 4–20 mA, 0–10 V), and relay outputs for alarms and batching
  • Selectable analogue ranges and per-channel tare/gross/net/TRM functions for flexibility

Communication & Connectivity

  • Four separate RS‑485 communication lines; supports up to 16 units in a daisy‑chain configuration
  • Optional fieldbus/Ethernet modules: CANopen, DeviceNet, Profibus DP, Modbus TCP, EtherCAT, Profinet, and more
  • USB port for easy on-site firmware updates and configuration via PC

Installation & Integration

  • DIN‑rail or panel mounting options for versatile installation layouts
  • Rugged housing with IP65 protection—ideal for dust‑ and water‑exposed industrial environments
  • Comprehensive diagnostics such as individual channel faults, zero tracking, and peak weight detection

The TLB4 series delivers precise multi-channel signal processing, highly configurable outputs, and robust network integration—perfect for complex weighing installations, regulatory batch processes, and advanced automation systems.

Need help selecting the right model or interface options? Contact GNW Instrumentation for expert advice, configuration support, and calibration services.