21
2020/09
Gateways with integrated power supply
All standard gateways BL20-GWBR-××× as well as the BL20-gateways for DPV1 and Ethernet (BL20-
GW-DPV1, BL20-GW-EN, BL20-GW-EN-IP, BL20-GW-EN-PN, BL20-PG-EN and BL20-PG-EN-IP) offer an
integrated power supply unit for feeding the gateway and the connected I/O modules.
It is not necessary to supply each individual module with a separate voltage.
Gateways without integrated power supply
4.1.2 Power distribution modules
The power supply for gateways and I/O modules is fed
to the power distribution modules; therefore, it is not necessary to supply each individual module
with a separate voltage.
NOTE
The gateways without integrated power supply unit need an additional power supply
module (bus refreshing module) which feeds the gateway an the connected I/O modules.
Fig. 2: Power distribution module
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