TBX System
TBX System replaces the physical cable connection between the load cell and the weight indicator.
Working modes
1. Load cell – TBX-T (Transmitter) – TBX-R (Receiver) – weight indicator
Load cell
Weight indicator
Battery
2. Load cell – TBX-T (Transmitter) – mobile app (replacing the weight indicator)
Load cell
Battery
Mobile APP
Types of connections
1. Load cell – TBX-T (Transmitter) – TBX-R (Receiver) – weight indicator
Load cell
Weight indicator
2. Several Load cells – TBX-T (Transmitter) – TBX-R (Receiver) – weight indicator
Load cell 1
Load cell 2
Load cell 3
Weight indicator
3. Several TBX-T (Transmitter) connected to one – TBX-R (Receiver). To one TBX-R (Receiver) you can connected up to 4 (pcs) TBX-T (transmitters)
Load cell 1
Load cell 2
Load cell 3
TBX-T 1
TBX-T 2
TBX-T 3
Weight indicator
Technical specification
| CATEGORY | PARAMETER |
|---|---|
| TBX-R (Receiver) | |
| Receiver |
Connected to the weight indicator as a load cell |
| Power supply voltage from the weight indicator | 5 - 10 VDC |
| Power consumption | max. 25mA |
| Constant emulated load cell |
2.0 mV/V |
| Emulated voltage | Proportional to the voltage come from the indicator |
| D / A converter | 16-bit, effective resolution 16-bit |
| Zero drift of amplifiers | <5ppm/K |
| Resistors in the analog circuit |
0.1%, 25ppm/K |
| Total error after calibration (estimated) | max. 90ppm/K (0.009%/K) |
| Number of transmitter connected to one receiver | 1 - 4 |
| Number of channels | 1 - 128 |
| Port RS 232 (RX, TX, COM) | For signalling the battery status in the transmitter |
| Configuration button | To set the signal level in case of no connection with the transmitter |
| Working temperature | From -40˚C to +85˚C |
| Dimensions | 86x47x12 mm (without housing) |
| TBX-T (Transmitter) | |
| Load cell excitation | ~2,8 VDC max 100mA |
| D / A converter | 16-bit, effective resolution 16-bit |
| Frequency of measurement | 4.17x/sek (max. 50x/sek) |
| Resistors in the analog circuit | 0.1%, 25ppm/K |
| Total error after calibration (estimated) | max. 75ppm/K (0.0075%/K) |
| Power | 3.7 ~ 5 VDC (ie. 3 x AA battery, Li-Ion / Li-Po 3.7V) |
| Power consumption without load cell | < 5mA |
| Power consumption by a 360Ω load cell | 9.2 mA |
| Power consumption in sleep mode | < 0.3mA |
| Type of antenna | Integrated |
| Working temperature (without battery) | From -40˚C to +85˚C |
| Dimensions | 86x37x9 mm (without housing) |
| ADDITIONAL information | |
| Radio | Bluetooth 4.0 Low Energy 2.4 GHz |
| Working distance | 20 meters |
| Connectors | Clamp - vibration resistance |
| Tool for mounting connectors |
WAGO 206-861 |
| Compliance with the directives | CE, RED, RoHS, MD |
Dimensions
Ordering information
| PRODUCT | ORDER CODE |
|---|---|
| TBX-T (Transmitter) | TBX-T |
| TBX-R (Receiver) | TBX-R |
Application example: weighing systems for forklift
