5 Electrical installation
WirelessHART Adapter SWA70
28
Hauser
5.1.3
Power supply via intrinsically safe power unit
The WirelessHART Adapter with the intrinsically safe power unit is connected to the power supply
via the M12 connector. An M12 socket is included in the delivery. For information about mounting
and wiring the M12 socket, see the "Connecting the M12 socket" section on Page
For the technical data, see the "Technical data" section on Page
Fig. 5-3: Block circuit diagram of power supply via intrinsically safe power unit
1
Antenna
2
Field device connection, see the "Wiring diagrams for
intrinsically safe power unit" section on Page
3
External power supply
4
Connection for power supply of intrinsically safe
power unit
5
Internal DC power supply
6
WirelessHART Adapter main PCB
EXPS
Intrinisically safe power supply
for hazardous area
Uo ≤ DC V
Po ≤ mW
Io ≤ mA
2-wire device, adapter powered
HART modem/Handheld
Please see manual for more types
Common types of connection:
power
Power
Charge
Ready
LED on
Serial number
abxxxx24yyy
Date: JJJJ-MM
1
3
4
2
5
6
Содержание SWA70
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