Bosch Appliances Home Security System APC-AMC2-4WCF User Manual

Page of 60
26 en | Installing
AMC2 4W
F.01U.024.965 | V.4 | 2006.09
Installation manual
Bosch Security Systems
U = 12V, I = 1A, maximum V
Drop
 = 2V
i.e. R
AWG18
 (acc. specs) = 
 or 20,948 
V
Drop
 = 20,948 
 x 0.1 km x 1A = 2.1V
V
Drop
 = 
 x 328 ft x 1A = 2.1V
 
Critical condition! Install the power supply closer to the con-
troller.
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.
ft
1000
385
,
6
Ω
km
Ω
km
Ω
ft
1000
385
,
6
Ω
i
NOTE! 
These specifications aim for readers, relay outputs, and exten-
sions.
For inputs there are other value to keep in mind - see therefore