Bosch AMC-4W Installation Manual page 39

Access Controller AMC-4W
All input devices are connected by means of 4-pin pluggable screw connectors
of the AMC-4W.
A complete connection diagram for analog input devices is shown in
chapter 7.1 'Connecting Diagram' of this documentation.
Bosch Security Systems | V.3.1/2006-09
1. Door open:
2. Door closed: R
3. Broken wire: R
4. Short circuit: R
The resistor values can vary and depend on
the used lock system (wire resistance
negligible). Default values are:
R = 2,2 kΩ
S
R = 4,7 kΩ
P
Installation Guide
Installing the AMC-4W
R + R
S P
S
+ R = ∞
S P
+ R = 0
S P
39