Laumas WDOS Weight Indicator
45400
Laumas WDOS Weight Indicator
45400
DIN Panel-Mount Weight Indicator for Batching and Industrial Automation
The Laumas WDOS is a compact DIN-mount weighing indicator and controller designed for industrial batching, formulation, and multi-product weighing. With a large backlit LCD display, 6-digit red LED, and 16 status LEDs, it offers clear graphical feedback and system status. WDOS supports up to 8 or 16 load cells and integrates easily with PLCs, remote displays, and automation networks via RS232/RS485 and optional fieldbus protocols. It includes advanced software for formulation, refill, slow dosing, and remote calibration, all in a robust front panel housing.
Key Features
- Display: Backlit LCD (128x64 px), 6-digit red LED (10 mm), 16 status LEDs
- Keyboard: 10-key tactile front panel
- Mounting: DIN box with IP54 standard (IP65 optional with gasket)
- Load Cell Support: Up to 8 (350 Ω) or 16 (700 Ω) load cells
- Inputs/Outputs: 5 relay outputs, 4 digital inputs, optional 16-bit analogue output
- Ports: RS232/RS485 serial ports, optional USB, CANopen, Ethernet, Modbus TCP, Profinet IO
- Calibration: Real or theoretical calibration with 8-point linearisation
- Real-Time Clock: With backup battery for timestamps, logging and batch records
- Power Supply: 12–24 VDC standard or optional 115/230 VAC
- Multilingual Software: 4+1 customizable languages for operator flexibility
Available Programmes
| Model | Programme | Description |
|---|---|---|
| WDOS-B | BASE | Basic display, peak value, and total weight functions |
| WDOS-C | LOAD | Setpoint and alarm-based load management |
| WDOS-S | UNLOAD | Automated unloading via relay control |
| WDOS-3 | 3 PRODUCTS | Batching for 3 independent programmable products |
| WDOS-6 | 6 PRODUCTS | Batching for 6 programmable ingredients with slow dosing |
| WDOS-14 | 14 PRODUCTS | Batching up to 14 products with product tracking |
| WDOS-MU | MULTIPROGRAM | Switchable programme modes for flexible batching operations |
Certifications
- OIML R76, MID, CE, UKCA, UL, EAC, NMI (Australia), GOST (Russia)
- ATEX 3G/3D Zone 2/22 versions available for explosive environments
- Legal-for-trade and industrial automation certified globally
Interfaces & Expansion Options
- Analog Output: 16-bit module (OPZW1ANALOGICA)
- Additional Serial Port: RS485 expansion (OPZW1RS485)
- Fieldbus Protocols: Modbus TCP, CANopen, DeviceNet, Ethernet/IP, Profinet IO, Profibus DP
- USB Logging: Batch and event data export (OPZWUSBWDOS)
- Remote PC Integration: Real-time supervision and control via Ethernet TCP/IP (OPZWETTCPWDOS)
- Alibi Memory: Compliance for legal-for-trade logging (OPZWALIBI)
Accessories & Mounting Options
- IP65 panel gaskets and DIN mounting kits
- External relay modules for high-output systems
- USB and Ethernet extension kits with sealing for panel installation