Bosch APC-AMC2-DCUA Specsheet
Systems | AMC2 DCUA - Door Control Unit
AMC2 DCUA - Door Control Unit
Intelligent access manager for one or two entrances
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Four interfaces include the reader power supply (2 x
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Omron/Wiegand, 1 x RS-485, 1 x RS-232)
Storage element
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LCD display for displaying information
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Self-controlling send and receive switching
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Individual electronic verification of plugs and outputs
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Input for an externally connected tamper contact
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The AMC2 DCUA (Door Control Unit) is used as an access
controller in the access control system Access III. The
device has two Omron-/Wiegand-, one RS 485- and one
RS-232-interface and controls one or two access points.
These access points, also known as entrances, mainly
consist of doors, gates, barriers, turn stiles, revolving doors,
mantraps, ID card readers, door opening elements and
sensors. The AMC2 DCUA can control two RS-485 or two
Omron-/Wiegand card readers and is designed for fully
processing the access logic at the assigned entrances.
Status checks can be carried out using the six analog inputs.
The six relay outputs are used to activate the door opening
elements and/or generate the security activation and
signaling. The AMC2 DCUA stores all necessary information
in a buffered memory and an additional storage element so
that, even when the unit is offline, it is able to carry out
independent authorization checks on access points, take
access decisions, control closing/opening elements and
register movement events.
System Overview
1 = Host
2 = Ethernet
3 = AMC2 DCUA
4 = RS-232 reader interface
5 = RS-485 reader interface
6 = Omron/Wiegand reader interface (2x)
As shown in the diagram, the AMC2 DCUA is integrated
between the host system and the peripheral devices.
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2 | AMC2 DCUA - Door Control Unit
They are connected to the host system via RS485 or
Ethernet. The relevant host interface is selected during
installation. The interfaces are available on the device by
default. With RS485 operation, a maximum of eight AMC2
DCUA’s can be connected to one party line.
There are up to four interfaces for readers, including the
slot for the power supply.
Functions
Storing downloaded data as listed below:
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Installation/Configuration Notes
Power supply
An external power supply (10 to 30 V DC) for the AMC2 is
connected to the first (positive) and third pin (negative).
When using an uninterruptible power supply (UPS), the
relevant UPS output relay is connected to the pins
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Otherwise, these pins will short-circuit.
Quantity restrictions
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ID card reader connections
The AMC2 DCUA has four reader interfaces:
Master data
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Authorizations
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Access models
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Display texts
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Reader configurations
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Interpretation of transaction data from reader
Authorization check
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Host request
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PIN code
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Control/monitoring
Denial or door release
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Switching alarm
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Door statuses
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Reader operation statuses
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Internal alarm statuses
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Messages to Access Engine
Host requests
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Transaction data for storing
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Error and malfunction messages
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Alarm messages
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Power supply for
Readers
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Door openers
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Contact current feeds
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4 and 7 for alternating current
5 and 7 for the battery
6 and 7 for direct current
Max. 2 access points/entrances
Max. 2 ID card readers
One additional device via RS-232 (e.g. biometrical
reader)
two interfaces, which can be switch from Wiegand
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to Omron (Note: Software update neccassary) for
two readers
one RS-485 interface for two readers
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one RS-232 interface for one device
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The RS-232 interface can be used to connect additional
devices (e.g. biometrical readers, displays, or keyboards).
The RS-485 and Omron/Wiegand cannot be mixed on the
same turn.
Wiegand interfaces
The AMC2 DCUA has two connections for connecting up to
two ID card readers.
The following definitions apply to the Wiegand interface:
10-wire interface (incl. shield)
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Maximum cable length of 158 m (500 ft.) to ID card
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reader
26-bit Wiegand format
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37-bit Wiegand format
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Default configuration of the Wiegand interface on the ID
card reader:
1 12V+ reader power supply
2 12V- reader power supply
3 Data line 0
4 Data line 1
5 Shield
6 Green LED
7 Red LED
8 Acoustic signal
9 Delay
10 Card present
Omron interfaces
The AMC2 DCUA has two connections for connecting up to
two ID card readers.
The following definitions apply to the Omron interface:
10-wire interface (incl. shield)
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Maximum cable length of 158 m (500 ft.) to ID card
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reader
Default configuration of the Omron interface on the ID card
reader:
1 12V+ reader power supply
2 12V- reader power supply
3 Data line 0
4 Data clock
5 Not used
6 Not used
7 Not used
8 Not used
9 Not used
10 Not used
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