Bosch AEC-PANEL19-UPS Manual De Instalación página 14

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Connecting devices
Connecting an additional AMC device:
- Connect the RS485 slave interface of the second AMC
device to the RS485 slave interface of the AMC2 marked
RS-485EXT.
You can provide each device with an individual power supply, or
pass power through from one device to the next:
- If a second device receives its power supply from a first,
then please connect the power lines (pin 1 and pin 2) as
well as the data lines (pin 3 and pin 6).
NOTICE!
In general:
- If the devices have their own power supplies then the
cable shielding should be grounded at one end only. The
i
loose end should be insulated to prevent any inadvertent
contact.
- If one device passes power through to another, then the
cable shielding should be grounded at both ends.
CAUTION!
!
Do not create any ground loops.
NOTICE!
i
When connecting devices please consult the instructions and
notices in their respective installation manual.
F.01U.097.256 | V 1.1 | 2008.12
AEC-PANEL19 - Installation manual
Bosch Sicherheitssysteme GmbH