Bosch API-AMC2-8IOE Specsheet
Engineered Solutions | AMC2 - Input/Output Extension Boards
AMC2 - Input/Output Extension Boards
www.boschsecurity.com
u RS485 connection to the AMC2 controller
u Three models available one with 8 inputs & 8
outputs, one with 16 inputs & 16 outputs, and one
with 16 inputs
The AMC2 16I-16O-EXT, the AMC2 16I-EXT and/or the
AMC2 8I‑8O-EXT extension boards can only be used
with the AMC2 access controller and provides
additional input and output contacts.
The AMC2 controller has eight input and eight output
signals. The AMC2 determines the door status (open
or closed) via the analog input signals. The relay
outputs can be used to activate locking mechanisms,
for example.
If there are not enough contacts available on the AMC2
to transfer the necessary signals, up to three AMC2 xIxO-EXT units can be connected to provide additional
inputs and outputs.
Notice
Systems with Access Personal Edition Software
can only connect one I/O-Extension to an AMC2
Controller.
u Status of inputs and outputs shows on AMC2 LCD
display
u Transfer rate to EXT interface (RS485): 9,6 kBit/sec
u The AMC2 Extensionboards can be supplied with
the PBC-60 power supply unit with integrated UPS.
Reduced versions of the extension board are also
obtainable to make full use of the available signals.
The AMC2 8I-8O-EXT module has eight input and eight
output signals. The AMC2 16I-EXT has 16 analog
inputs.
System overview
The AMC2 xxx-EXT is integrated into the system via the
AMC2 controller.
The electronics are located in a plastic housing, similar
to the one on the AMC2 controller.
The AMC2 16I-16O-EXT has 16 analog inputs and 16
relay outputs. It receives door status signals via the
inputs and can authorize door releases or send
messages to external surveillance systems via the
outputs.
1 = Host computer
2 = AMC2
| AMC2 - Input/Output Extension Boards
2
3 = Card reader
4 = Communication and power supply
5 = AMC2 xxx-EXT
In the default configuration, the connection to the
AMC2 is established via the RS485 interface.
Installation/configuration notes
Up to three extension boards can be connected to one
AMC2 controller; this provides a maximum of 56 input
and output signals for configuration with the AMC2
signals.
For a system configuration the AMC2 16I-16O-EXT,
AMC2 16I-EXT, and AMC2 8I-8O-EXT can also be used
in combination, e.g. two AMC2 16I-16O-EXTs and one
AMC2 8I-8O-EXT – but the maximum number of
modules that can be connected is also restricted to
three per AMC2 controller.
Notice
Systems with Access Personal Edition Software
can only connect one I/O-Extension to an AMC2
Controller.
An AMC2 16I-16O-EXT can only provide signals for the
entrances of the AMC2 controller to which it is
connected. It is not possible to transmit to another
AMC2.
Configuration examples:
Solid lines: Power supply
Dotted lines: Data lines
1. AMC2 with power supply.
2. Power and data are supplied to the AMC2 xxx-EXT via
the AMC2.
3. The AMC2 xxx-EXT with its own power supply
receives data from the AMC2.
4. The first AMC2 xxx-EXT is supplied by the AMC2 - the
second has its own power supply and a connection to
the third. All AMC2 xxx-EXTs receive their data from
the AMC2.
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
• 4 and 7 for alternating current (AC)
• 5 and 7 for the battery
• 6 and 7 for direct current (DC)
Otherwise, these pins will short-circuit.
Voltage equalization - grounding
• Different grounds can be balanced via jumpers with
protective ground.
• A line (shielding, potential equalization) with
protective ground must only be connected in one
place.
• For further instructions, please see the operating
manual.
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