SIWAREX WP241 | |
Integration in automation systems | |
S7-1200 | Directly via SIMATIC bus |
- Operator Panel (not from the SIMATIC Basic series)
- Automation systems from other manufacturers
(possible with limitations)
| Via Ethernet (Modbus TCP/IP) or
RS 485 (Modbus RTU) |
Communication interfaces | - SIMATIC S7-1200 backplane bus
- RS 485 (Modbus RTU)
- Ethernet (Modbus TCP/IP & SIWATOOL)
|
Commissioning of the scale | PC configuration software SIWATOOL (Ethernet) or Operator Panel (Modbus / S7-1200) |
Calibration approval | MID according to OIML R50 (available soon) |
Internal resolution | ± 4 million parts |
Number of measurements/second (internal) | 100 |
Updating time for material flow rate | 100 ms |
Filter for conveyor load | Low-pass filter (limit frequency 0.05 ... 50 Hz) |
Filter for belt speed | Low-pass filter (limit frequency 0.05 ... 50 Hz) |
Weighing functions | |
Readout data | - Weight
- Belt load
- Material flow rate
- Accumulated total
- Main total
- Free totals 1 … 4
- Belt speed
|
Limits (min/max) | - Belt load
- Material flow rate
- Belt speed
|
Zeroing function | On command or automatic set to zero |
Load cells | Strain gauges in 4-wire or 6-wire system |
Load cell excitation | |
Supply voltage (regulated via feedback) | 4.85 V DC |
Permissible load resistance | |
| > 40 ? |
| < 4100 ? |
With SIWAREX IS Ex interface | |
| > 50 ? |
| < 4100 ? |
Load cell characteristic | 1 … 4 mV/V |
Permissible mesaurement signal range | -21.3 ... +21.3 mV |
Max. distance of load cells | 500 m (229.66 ft) |
Connection to load cells in Ex zone 1 | Optionally via SIWAREX IS Ex interface |
Ex approvals | - ATEX Zone 2
- UL
- FM available soon
|
Auxiliary power supply | |
Rated voltage | 24 V DC |
Max. power consumption | 200 mA |
Max. power consumption SIMATIC Bus | 3 mA |
IP degree of protection to DIN EN 60529; IEC 60529 | IP20 |
Climatic requirements
Tmin (IND) ... Tmax (IND) (operating temperature) | |
Vertical installation | -10 ... +55 °C (14 ... 131 °F) |
Horizontal installation | -10 ... +40 °C (14 ... 104 °F) |
EMC requirements according to | EN 45501 |
Dimensions | 70 x 75 x 100 mm (2.76 x 2.95 x 3.94 inches) |
