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Technical data
13.1 Technical specifications
Digital inputs (DI)
Table 13- 6
Number of inputs
Rated voltage
Supply voltage range
Power consumption at 24 V DC
Voltage surge
Logical signal level 1 (min)
Logical signal level 0 (max)
Sampling rate (FW)
Filtering
Electrical isolation
Real-time clock
Table 13- 7
Accuracy at 25 °C
Buffered period
RS485 interface
Table 13- 8
Standard
Baud rate
Data bits
Parity
Stop bits
Terminating resistors (can be activated)
Electrical isolation
Transfer protocol
Cable length
166
Technical specifications: Digital inputs
Technical specifications: Real-time clock
Technical specifications: RS485 interface
4
24 V DC
max. 30 V DC
4 mA
35 V DC for 0.5 s
15 V DC at 2.5 mA
5 V DC at 1.0 mA
10 ms
0.2, 0.4, 0.8, 1.6, 3.2, 6.4 and 12.8 ms
500 V DC
± 60 s/month
typ. 10 days at 25 °C
min. 6 days at 40 °C
EIA-485
up to 115 kbps*
7 or 8
even | odd | none
1 or 2
390 Ω / 220 Ω / 390 Ω
500 V AC
ASCII for remote display from Siebert and Modbus
RTU)
≤ 115 kbps max. 1 000 m
(fieldbus cable 2-wire, shielded, e.g. 6XV1830-0EH10)
Manual, 07/2014, A5E31238908A-02
SIWAREX WP231
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