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Laumas

Weighing transmitter TLB

CAN, Ethernet, Modbus, Profibus....
Version
Delivery time 8-9 working days
Statutory warranty

TLB Weighing Transmitter – Precise weighing electronics for DIN rail mounting

The TLB weighing transmitter is a compact and high-performance weighing amplifier for control cabinets. Thanks to its space-saving design, this device is ideal for mounting on Omega/DIN rails in industrial and automation environments. Designed for precise signal processing of load cells, the transmitter offers flexible connection options to modern bus systems and controllers.

With its robust technology and flexible interfaces, the TLB is the perfect solution for demanding applications in process engineering, machine automation, and industrial weighing technology.

Technical features and benefits:

  • Compact design for control cabinet installation:
    Dimensions: 115 x 25 x 120 mm – ideal for confined spaces

  • High-quality 6-digit LED display:
    Semi-alphanumeric red display with 8 mm digit height

  • User-friendly operation:
    4 keys for system calibration and 6 status LEDs for quick status indication

  • Modular connection technology:
    Removable screw terminal blocks for easy installation and maintenance

  • Free PC software for configuration and management:
    Convenient access to all device settings

  • RS485 interface:
    Compatible with ModBus RTU, ASCII Laumas, or continuous unidirectional transmission

  • Three relay outputs:
    Control via setpoints or protocols, ideal for control tasks

  • Two digital PNP inputs (optically isolated):
    Status reading via serial protocols

  • Compatible with common load cells:
    1 precise load cell input

Version

Description

TLB485

Serial interface RS485

Baud rate: 2400, 4800, 9600, 19200, 38400, 115200 (bit/s).

TLB

Optoisolated 16-bit analog output

Current signal selectable: 0÷20 mA; 4÷20 mA (up to 300 Ω). Voltage signal selectable: 0÷10 V; 0÷5 V; ±10 V; ±5 V (min 10 kΩ). Equipped with RS485 serial interface.

TLBCANOPEN

CANopen interface

Baud rate: 10, 20, 25, 50, 100, 125, 250, 500, 800, 1000 (kbit/s).
The instrument operates as a slave in a synchronous CANopen network. Equipped with RS485 serial interface.

TLBDEVICENET

DeviceNet interface

Baud rate: 125, 250, 500 (kbit/s).
The instrument operates as a slave in a DeviceNet network. Equipped with RS485 serial interface.

TLBCCLINK

CC-Link interface

Baud rate: 156, 625, 2500, 5000, 10000 (kbit/s).
The instrument operates as a Remote Device Station in a CC-Link network and occupies 3 stations. Equipped with RS485 serial interface.

TLBPROFI

Profibus DP interface

Baud rate: up to 12 Mbit/s. The instrument operates as a slave in a Profibus DP network. Equipped with RS485 serial interface.

TLBMODBUSTCP

Modbus/TCP interface

Type: RJ45 10Base-T or 100Base-TX (auto-sensing). The instrument operates as a slave in a Modbus/TCP network. Equipped with RS485 serial interface.

TLBETHETCP

Ethernet TCP/IP interface

Type: RJ45 10Base-T or 100Base-TX (auto-sensing).

The instrument operates in an Ethernet TCP/IP network and can also be accessed via a web browser. Equipped with RS485 serial interface.

TLBETHEIPN

2x Ethernet/IP interfaces

Type: RJ45 10Base-T or 100Base-TX (auto-sensing).
The instrument operates as an adapter in an Ethernet/IP network. Equipped with RS485 serial interface.

TLBPROFINETION

2x Profinet IO interfaces

Type: RJ45 100Base-TX.
The instrument operates as a device in a Profinet IO network.
Equipped with RS485 serial interface.

TLBETHERCAT

2x EtherCAT interfaces

Type: RJ45 10Base-T or 100Base-TX (auto-sensing).
The instrument operates as a slave in an EtherCAT network.
Equipped with RS485 serial interface.

TLBPOWERLINK

2x POWERLINK interfaces

Type: RJ45 10Base-T or 100Base-TX (auto-sensing).
The instrument operates as a slave in a Powerlink network.
Equipped with RS485 serial interface.

TLBSERCOS

2x SERCOS III interfaces

Type: RJ45 10Base-T or 100Base-TX (auto-sensing).
The instrument operates as a slave in a Sercos III network.
Equipped with RS485 serial interface.


Technical Data

Power supply and power consumption

12÷24 VDC ±10%; 5 W (Use an external 12-24 VDC LPS or Class 2 power supply)

Number of load cells • Load cell power supply

up to 8 (350 Ω) - 4/6 wire • 5 VDC/120 mA

Linearity • Analog output linearity (TLB only)

<0.01% full scale • <0.01% full scale

Thermal drift • Analog output thermal drift (TLB only)

<0.0005% full scale/°C • <0.003% full scale/°C

A/D converter

24 bit (16,000,000 counts) - 4.8 kHz

Calibration values (with measurement range ±10 mV and sensitivity 2 mV/V)

±999999 • 0.01 μV/d

Measurement range

±39 mV

Load cell sensitivity

±7 mV/V

Conversions per second

300/s

Display range

±999999

Decimal places • Display resolution

0÷4 • x1 x2 x5 x10 x20 x50 x100

Digital filter • Readings per second

10 levels • 5÷300 Hz

Relay outputs

3 - max 115 VAC/150 mA

Optoisolated digital inputs

2 - 5÷24 VDC PNP

Serial interfaces

RS485

Baud rate

2400, 4800, 9600, 19200, 38400, 115200 (bit/s)

Optoisolated analog output (TLB only)

16 bit = 65535 calibration values. 0÷20 mA; 4÷20 mA (up to 300 Ω)

0÷10 V; 0÷5 V; ±10 V; ±5 V (min 10 kΩ)

Humidity (non-condensing)

85%

Storage temperature

-30 °C +80 °C

Operating temperature

-20 °C +60 °C

Approval

EU: 2014/31/EU; OIML R76:2006; EN45501:2015

Accuracy class

III or IIII

Maximum number of scale intervals for

calibration approval

10000 (Class III); 1000 (Class IIII)

Minimum input signal for calibration

0.2 μV/VSI


The TLP series is also available with 4 load cell inputs. Please inquire!