Bosch AMC2 4W-EXT User manual

Systems | AMC2 4W-EXT - Wiegand Extension Board

The extension module AMC2 4W-EXT is equipped with four

Wiegand type reader-interfaces plus eight inputs and eight

outputs. Hence with the AMC2 4W-EXT it is possible to

double the number of readers on an AMC2 4W from 4 to 8.

The AMC2 4W-EXT can not be deployed as an independent

controller but only as an extension module for the AMC2

4W. Control and access decisions and bookings are carried

out by the AMC2 4W alone.

The AMC2 4W can be extended by a maximum of one

AMC2 4W-EXT plus a maximum of three I/O extension

modules. The I/O extension modules AMC2 8I-8O-EXT,

AMC2 16I-16O-EXT, or AMC2 16I-EXT (in any combination)

are, like the AMC2 4W-EXT, connected via the AMC2 4W’s

extension interface (RS485). As the extension modules

contain neither memory nor display they are controlled and

monitored entirely by the AMC2 4W.

Note Systems with Access Personal Edition

Software can only connect one I/O-Extension

to an AMC2 Controller.

The signal settings and parametrization of the readers

connected to the extension module, are carried out by the

configuration applications in the access control systems

Access Personal Edition and BIS Access Engine, and by the

AMC2 4W to which it belongs.

System Overview

The AMC2 4W-EXT is connected between the access

controller AMC2 4W and the various peripheral devices.

1 = Host

2 = AMC2 4W

3 = Card reader

4 = Communication and power supply

5 = AMC2 4W-EXT

AMC2 4W-EXT - Wiegand Extension Board

▶RS485 connection to the AMC2 4W controller

▶4 Wiegand reader interfaces

▶8 analog inputs

▶8 relais outputs (wet or dry)

▶Status of inputs and outputs shows on AMC2 4W LCD

display

▶Transfer rate to EXT interface (RS485): 9,6 kBit/sec

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2 | AMC2 4W-EXT - Wiegand Extension Board

The AMC2 4W-EXT is connected to the AMC2 4W using the

RS-485 extension interface. This interface will also be used

to connect further extension modules.

Installation/Configuration Notes

The number of controllers in one system is limited to 200.

The using of AMC2 4W-EXT modules has no influence on this

limit, because it is an extension to an AMC2 4W and not a

controller.

Using Wiegand interfaces, up to eight peripheral devices

can be connected to each AMC2 4W. The interfaces are

point-to-point connections, meaning that only one reader

can be connected to one interface.

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.

Wiegand interface

The AMC2 4W-EXT has four interfaces to connect up to four

readers. The following definitions apply to the interface:

•10 wire interface with shield

•Max. cable length: 158 m (172.8 yd)

•26 bit wiegand format

•37 bit wiegand format

Default configuration:

1 = Reader Supply – 12V+

2 = Reader Supply – 0V

3 = Data 0

4 = Data 1

5 = Shield

6 = green LED

7 = red LED

8 = Beeper

9 = Hold

10 = Card Present

Contacts

Inputs

The analog inputs can be used as digital or analog contacts.

For analog use, resistance values can be specified to check

for cable breaks and short-circuits.

Relay outputs

The relay outputs offer the following functions:

•The outputs can operate with potential free contacts for

external power supply (dry mode).

•The outputs can operate using the internal voltage of

power supply (wet mode).

•Only ohm resistive loads can be connected to the relay.

•Inductive loads must be bypassed via recovery diodes.

These diodes (1N4004) are enclosed.

General instructions

•All access equipment should be mounted within a

"secured area".

•Detailed connection conditions are specified in the

operating manual!

•After purchase, primary AC power must be carried out

by a licensed electrician.

Technical Specifications

Hardware 4 Wiegand reader interfaces

8 relay outputs - with ohm load:

- max. switching voltage: 30 V DC

- max. switching current: 1,25 A

8 analog inputs

Tamper switch

Temperature 0°C to +45°C (32° F to 113° F)

Power supply - 10 or 30 V DC, max. 60 VA

Available for external devices: 55 VA

- or via the AMC2

Protection

class

IP 30

Housing Base: PPO (UL 94 V-0)

Upper: Polycarbonate (UL 94 V-0)

Color White

Dimensions WxHxD: 232 x 90 x 46 mm (9.13 x 3.54 x 1.81 in.)

Weight Approx. 0.4 kg (0.88 lb)

Type Rail mounting

AMC2 4W-EXT - Wiegand Extension Board | 3

Ordering Information

AMC2 4W-EXT - Wiegand Extension Board

The extension module AMC2 4W-EXT is equip-

ped with four Wiegand type reader-interfaces

plus eight inputs and eight outputs. Hence with

the AMC2 4W-EXT it is possible to double the

number of readers on an AMC2 4W from 4 to

API-AMC2-4WE

www.boschsecurity.com

4 | AMC2 4W-EXT - Wiegand Extension Board

Americas:

Bosch Security Systems, Inc.

130 Perinton Parkway

Fairport, New York, 14450, USA

Phone: +1 800 289 0096

Fax: +1 585 223 9180

[email protected]

www.boschsecurity.us

Europe, Middle East, Africa:

Bosch Security Systems B.V.

P.O. Box 80002

5600 JB Eindhoven, The Netherlands

Phone: + 31 40 2577 284

Fax: +31 40 2577 330

[email protected]

www.boschsecurity.com

Asia-Pacific:

Robert Bosch (SEA) Pte Ltd, Security Systems

11 Bishan Street 21

Singapore 573943

Phone: +65 6258 5511

Fax: +65 6571 2698

[email protected]

www.boschsecurity.com

Represented by

T5009552779 | Cur: en-US, V8, 4 Jul 2010

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