WirelessHART Adapter SWA70
12 Technical data
Hauser
105
12.3 Power supply
Versions
• Battery unit: special high-power lithium-thionyl battery unit, long battery life
• Wide range power unit
• Intrinsically safe power unit
• Solar module connection
Power supply
• Battery unit: 5 to 7.2 V DC
• Wide range power unit: 24 V to 230 V AC/DC ± 10 %, 50/60 Hz
• Intrinsically safe power unit: 8 to 30 V DC ± 10 %
• Solar module connection: 8 to 50 V DC ±
10 %
Current consumption
• Wide range power unit: < 250 mA,
1 A slow-blow backup fuse required at customer's site for power supply rating above 50 V AC/DC
• Intrinsically safe power unit: < 100 mA, field device is not powered by the WirelessHART Adapter
• Solar module connection: < 250 mA
Power consumption
For versions with electronically controlled power supply unit:
• Wide range power unit: max. active power 7 W / max. reactive power 12 VA with AC
• Intrinsically safe power unit: < 0.1 W
• Solar module connection: < 1.5 W
Output voltage
For versions with electronically controlled power supply unit:
• Wide range power unit: 13 V DC ± 0.25 V DC
• Intrinsically safe power unit: 11 V DC ± 0.25 V DC
• Solar module connection: 12 V DC ± 0.25 V DC
Battery power
19 Ah nominal capacity at 20°C
Battery life
5 to 7 years, depending on the update rate of process variables, the field device type and the
environmental conditions
Cable specification
2-wire, 0.75 mm
2
12.4 Performance characteristics
Applies to an analog circuit
Reference operating condi-
tions
In accordance with IEC 61298 Part 2
Measured error
4 to 20 mA circuit: 0.125 % of the measuring range
Influence of the ambient
temperature
4 to 20 mA circuit: 5
μ
A/10 K
