18
en | Installing
4.7
Connecting Power Supply
4.7.1
Direct Power Supply
Connect the power supply to the POWER 7-pin pluggable screw connector. Refer to
Connecting Diagrams, page 33 for a complete diagram.
Figure 4.6: Location of the power supply connector
Connect an external power supply (10 - 30 Vdc) for AMC2-4R4 at pin 1 (positive) and pin 3 (0
V) of the pluggable screw connector.
If an uninterruptible power supply (UPS) is used, the relay output for power good signals from
the UPS is connected to the following pins:
–
–
–
Otherwise these pins must be short-circuited.
4.7.2
Power Supply via RS-485 Interface
The power can also be supplied by the AMC2-4W. In this case power pins 1 and 2 should be
connected, as well as data lines on pins 3 - 6.
Figure 4.7: Interface for internal power supply
2018-02 | AMC2-4WE |
pin 4 and 7 for power good AC
pin 5 and 7 for power good Battery
pin 6 and 7 for power good DC
Installation Manual
AMC2 Extension
Bosch Access Systems GmbH