Technical Specifications - Siemens SIWAREX WP251 Manual

Technical specifications

13.1 Technical specifications
24 V power supply
Note
A protective extra-low voltage (to EN 60204-1) is to be ensured by system power supply.
Table 13- 1
Rated voltage
Static low / high limits
Dynamic low / high limits
Non-periodic overvoltages
Maximum current consumption
Typical power loss of the module
Power supply from SIMATIC S7 backplane bus
Table 13- 2
Current consumption from S7-1200 backplane
bus
Analog load cell interface connection
Table 13- 3
Error limit to DIN1319-1 at 20 °C +10 K
Accuracy according to EN45501 /
OIML R76
Accuracy delivery state
Sampling rate
Input signal resolution
Measuring range
SIWAREX WP251
Manual, 12/2015, A5E37203357A
Technical specifications: 24 V power supply
Technical specifications: Power supply from SIMATIC S7 backplane bus
Technical specifications: Analog load cell interface connection
2)
24 V DC
19.2 V DC / 28.8 V DC
18.5 V DC / 30.2 V DC
35 V DC for 500 ms with a recovery time of 50 s
200 mA with 24 V DC
4.5 W
Typically 3 mA
≤ 0.05% v.E.
III (and IV 1000d)
Class
•
3000d
Resolution
•
(d=e)
0.4
Error percent-
•
age pi
0.5 µV/e
Step voltage
•
typ. 0.1% v.E.
100 Hz
± 4 000 000
± 4 mV/V
13
1)
203