Grounding For Host Interface - Bosch APC-AMC2-4R4CF Installation Manual

Access Modular Controller 2
4.6.1

Grounding for Host Interface

A
Figure 4.14: Location of ground jumper RS-485 host interface
Figure 4.15: Location of ground jumper RS-485 host interface
The internal ground of the controller is always connected with the ground of the RS-485 host.
The jumper setting 1 shows the factory settings.
The internal ground of the AMC2-4W is always connected with the ground of the RS-485 host.
The jumper setting 1 shows the factory settings.
The jumper setting A1 shows the factory settings.
Jumper JP1 connects the internal ground of the AMC2-4R4 to the ground of the RS-485 host
interface.
Jumper JP2 manages the signal ground.
The jumper setting A1 shows the factory settings.
Jumper JP1 connects the internal ground of the AMC2-4W to the ground of the RS-485 host
interface.
Jumper JP2 manages the signal ground.
This jumper manages the signal ground.
Settings for jumper JP1:
If the ground conductor and the shield on the host are not connected and:
–
–
Bosch Access Systems V.B.
no party line exists, the jumper JP1 is set (= A2)
a party line exists, the jumper JP1 is set at the first device only (= A2)
A 1:
Delivery status
A 2:
JP1
JP2
JP1
A 3:
JP2
Installation manual
Installing | en 43
2020-01 | V02 |