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18
en | Installing
4.7
Connecting Power Supply
Notice!
The battery status is checked every 5 minutes by the power supply unit (APS-PBC-60 or APS-
PSU-60).
As the battery charging/discharging levels tend to vary, the AMC2 provides information about
the battery status every 10 minutes. This feature allows a more reliable battery status
information.
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.
2020-01 | V02 |
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
Access Modular Controller 2
Bosch Access Systems B.V.
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