SIWAREX Dosing, Filling, Bagging & Checking Scales
SIWAREX FTA
Flexible Technology, Automatic Weighing Instrument (FTA).
SIWAREX FTA is a calibratable and versatile weighing module for SIMATIC S7, C7 and PCS7 automation systems. SIWAREX FTA function module integrated with SIMATIC S7/PCS7, uses process control features such as integral communication, diagnostics and configuration tools. By setting a parameter in SIWAREX FTA, an individual scale type can be activated.
A calibratable and versatile weighing module for SIMATIC S7, C7 and PCS7 automation systems.
SIWAREX FTA (Flexible Technology, Automatic Weighing Instrument) is a versatile and flexible weighing module for industrial use. It can be used in both non-automatic and automatic weighing operation, for example the production of mixtures, and for filling, loading, monitoring and bag filling.
It has the corresponding scale approvals and is also suitable for weighing systems requiring official calibration.
The SIWAREX FTA function module is integrated in SIMATIC S7/PCS 7 and uses the features of this modern automation system, such as integrated communication, diagnostics and configuration tools.
Key Features
- Uniform structure and universal communication through the integration in the SIMATIC S7 and SIMATIC PCS 7
- Application in the decentralized system concept by connecting to PROFIBUS DP / PROFINET through ET 200M
- Weight or force measurement to resolutions of 16 million parts
- Precision of 3 x 6000 d, calibratable
- Fast dosing with fast communication
- Calibratable display with SIMATIC HMI Standard Operator Panels
- Stepless or incremental dosage control
- Exact dosage switching signals (< 1 msec)
- Definable input and output parameters
- Definable parameters for the most diverse of applications
- Flexible adjustment for different requirements
- Simple parameter definition with the SIWATOOL FTA program
- Theoretical adjustment without adjustment weights
- Modules can be exchanged without readjusting the scale
- Scale progress recording/logging
- Calibratable Alibi memory
- Can be used for Ex-applications
Technical Specifications
SIWAREX FTA | Integration in automation systems S7-400, PCS7, S7-300, C7, IM151-7 CPU | Via ET 200M, Direct integration in
S7-300 | |
|---|---|---|---|
Communication interfaces | SIMATIC S7 (P-Bus), RS485, RS
232, TTY
| ||
EU type approval as non-automatic weighing machine, trade class III | 3 x 6000 d, ≥ 0,5 µV/e
| ||
Internal resolution | 16 million parts
| ||
Internal/external updating rate | 400/100 Hz
| ||
Approvals | ATEX 95, FM, CULUS Haz.Loc. legal for trade acc. to OIML R76, OIML, R51, R61, R107 | ||
Design
SIWAREX FTA is a function module of SIMATIC S7-300 which can be directly snapped onto the SIMATIC S7‑300 or ET 200M backplane bus. The rail mounting of the 80 mm wide weighing module means that it is extremely easy to mount/wire.
The load cells, the RS 485 serial interface, the analog output and the digital inputs and outputs are connected by means of the 40‑pin standard front connector, the PC (RS 232) by means of a 9‑pin SUB-D connector and the power supply by means of a separate 2-pin connector.
Operation of SIWAREX FTA in SIMATIC enables the weighing system to be completely integrated into the automation system.
Application
The SIWAREX FTA weighing module is the optimum solution wherever high demands are placed on accuracy and speed.
Thanks to its outstanding measuring properties, weights can be measured with extreme accuracy in up to three ranges.
SIWAREX FTA can be used to design legal-for-trade dosing systems, such as filling plants, loading stations, bagging stations, rotopackers, mixers or test stations.
Typical fields of application include:
- Filling of liquids
- Bagging of solid matter (also big bag)
- Proportioning as deduction weighing or fill weighing
- Checking of individual quantities
- Loading or receiving of materials
- Static checking scale
- Check weigher (in combination with Wipotec load cells)
Typical applications:
- NAWI (Non Automatic Weighing Instrument) conforming with OIML R76 (Hopper weighing, Fill level scale, Platform scale, Crane scale)
- AWI (Automatic Weighing Instrument) conforming with OIML R61 (Sacking system scale, Filling scale)
- Automatic Catchweighing Instrument conforming with OIML R51 (Single component scale for filling and emptying scales, Multi-component scale, Static control scale for weight measurement)
- Discontinue Totalizing Automatic Weighing Instrument conforming with OIML R107, (Emptying scale, Loading scale)
The SIWAREX FTA Advantage
SIWAREX FTA is characterized by the following features:
- Uniform design and totally integrated communication in SIMATIC S7 and SIMATIC PCS 7
- Uniform configuration with SIMATIC
- Direct use in the SIMATIC automation system
- Use in distributed plant concept through connection to PROFIBUS DP/PROFINET using ET 200M
- Measurement of weight or force with high resolution of 16 million intervals
- High accuracy 3 × 6 000d, legal-for-trade according to OIML R-76, R-51, R-61 and R-107
- For use with analog strain gauge load cells
- Alternative option of connecting individual load cells from the manufacturers METTLER TOLEDO, Wipotec and PESA
- Legal-for-trade display with Windows-based Panels, e.g. SIMATIC Comfort Panels
- Stepless or stepped dosing control
- Exact switching of dosing signals (< 1 ms)
- Parameterizable inputs and outputs
- Parameterizable for highly versatile applications
- Flexible adaptation to different requirements with SIMATIC
- Simple adjustment of scale using the SIWATOOL FTA program
- Theoretical adjustment without calibration weights
- Replacement of module without renewed adjustment of scale
- Recording of weighing sequence
- Alibi memory with calibration capability
- Can be used in Ex applications
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