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Analog output
The set replacement value is output in case of a fault or SIMATIC CPU stop.
Table 13- 4
Error limit according to DIN 1319-1 of full-scale value at
20 °C +10 K
Refresh rate
Resolution
Measuring ranges
Max. output current
Error signal (if configured (FW))
Max. load
Temperature coefficient range
Temperature coefficient zero point
Linearity error
Electrical isolation
Cable length
Figure 13-1
Digital outputs (DQ)
The set value is output at the digital output in case of a fault or SIMATIC CPU stop.
A freewheeling diode has to be installed at the consumer with inductive loads at the digital
output.
Table 13- 5
Quantity
Supply voltage range
Max. output current per output
Max. total current for all outputs
Refresh rate (FW)
Switching delay
RDSON
Short-circuit proof
Electrical isolation
Cable length (meter)
SIWAREX WP231
Manual, 07/2014, A5E31238908A-02
Technical specifications:
Current ranges for signal level to Namur recommendation NE43
Technical specifications: Digital outputs
13.1 Technical specifications
0 ... 20 mA: ≤ 0.5 %
4 mA to 20 mA: ≤ 0.3 %
≤ 100 ms
14 bit
0 mA to 20 mA
4 mA to 20 mA
24 mA
22 mA
600 Ω
≤ ± 25 ppm/K v. E.
typ. ± 0.3 μA/K
≤ 0.05 %
500 V AC
max. 100 m, twisted and shielded
4 (high-side switch)
19.2 V DC to 28.8 V DC
0.5 A (ohmic load)
2.0 A
100
typ. 25 µs turn on
typ. 150 µs turn off
< 0.25 Ω
Yes
500 V AC
Max. 500 m shielded, 150 m unshielded
Technical data
165
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