Siemens SIWAREX WP251 - SIWAREX WP251 Technical Specifications; 24 V Power Supply Specifications; Analog Load Cell Interface Specifications

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