Grounding And Shielding The Host Interface - Bosch APC-AMC2-4W Installation Manual

26 en | Installing
U = 12V, I = 1A, maximum V
i.e. R
V
Drop
V
Drop
Critical condition! Install the power supply closer to the con-
troller.
NOTE!
These specifications aim for readers, relay outputs, and exten-
i
sions.
For inputs there are other value to keep in mind - see therefore
Table 5.3.
5.4.2

Grounding and Shielding the Host Interface

Fig. 5.4 Location of ground jumper RS-485 host interface
The jumper setting A1 shows the delivery status.
F.01U.024.965 | V.4 | 2006.09
(acc. specs) =
AWG18
Ω
km
= 20,948 x 0.1 km x 1A = 2.1V
Ω
, 6 385
1000 ft
= x 328 ft x 1A = 2.1V
Installation manual
= 2V
Drop
Ω
, 6 385
1000 ft
or 20,948
AMC2 4W
Ω
km
Bosch Security Systems