Bosch APC-AMC2-4R4CF - 4.6.2 Grounding for extension interface; 4.6.3 Grounding for bus interfaces

Access Modular Controller 2 Installing | en 19
Bosch Security Systems B.V.
Guide d'installation
2022-11 | V04 |
Settings for jumper JP2:
If the ground conductor and the shield on the host are not connected and:
– no party line exists, the jumper JP2 is set (=A3)
– a party line exists and signal ground is connected, the jumper JP2 is set at the first device
only (=A3)
– a party line exists and signal ground is not connected, the jumper JP2 is set at all devices
(=A3)
4.6.2 Grounding for extension interface
B 1:
B 2:
B
Figure4.6: Location of ground jumper bottom side
B1 Delivery status
Jumper B connects the internal ground of the controller to the RS-485 ground of the slave
interface. Only set jumper B (B2) if the controller powers all other peripheral devices directly
connected to it.
4.6.3 Grounding for bus interfaces
C 1:
C 2:
D 1:
D 2:
C
D
Figure4.7: Location of ground jumper bus interfaces
C1, D1 Delivery status
Jumper C (for the second bus) and jumper D (for the first bus) connect the internal ground of
the controller to the RS-485 ground of the bus.
Only set jumper C and D (C2 or D2) if the controller powers all other peripheral devices which
are directly connected.