Installing a Net2 access control unit

Installing a Net2 access control unit

Overview

The diagram below shows the general wiring layout for a Net2 plus ACU. Not all of the equipment shown needs to be installed on every door. For example, when using Timesheet it is only necessary to install a reader and the data connection.

The selection of ACU type and their method of connection to the Net2 server PC (TCP/IP, RS485, wireless, etc) can be combined in one system to meet the needs of any site layout.

Special attention should be paid to the installation of the lock to ensure correct operation, either fail open or fail closed. Exit buttons must always be of the 'push to make' variety. Door contacts, tamper switches and PSU monitoring circuits should all be normally closed, going open on alarm.

Net2 APN-1012

12V DC power supply

COM N.O N.C.

12V DC

PSU PSU

Reader/keypad

0V 12V

LED

LED 1

LED

Data/D0

Clock/D1

Paxton Net2 plus

0V ARM SENSE COM N.O N.C.

12V LED

LED 1

LED

12V DC

Data/D0 Clock/D1 Media Detect 0V

12V

LREDeader/keypad

LED (op2 tional)

LED

12V DC

Data/D0

Clock/D1

Media Detect

0V

12V LED LED

1 LED Data/D0 Clock/D1

0V

12V LED

LED

2

LED

Data/D0

Clock/D1

0V

12V DC

COM N.O N.C.

12V DC

12V - 24V

0V

0V

0V

10N.C.

1

100N.O COM

N.C.

N.O

10/1002 EtherCOnM et

Paxton Net2 plus

EXIT

12V LED

10 100

10/100 Ethernet

I

RS485

CAT5

TX

RX

12V DC

Net2 plus

OK

I

RS485 CAT5

TX

RX

01V2V - 24V

0V

12V 0V

LED N.C.

N.O

1

LED COM 2

LED N.C.

Data/DN0.O

2

Clock/CDO1M

EXIT

12V 0V LED

EXIT 0V

0V

0V 0V

PSU

from previous ACU

10 100

10/100 Ethernet

I

RS485

CAT5

TX

RX

1 2

EXIT

12V - 24V 0V

0V N.C. N.O COM N.C. N.O COM

12V LED

Door Lock

0V ARM SENSE COM N.O N.C.

12V

LED

LED 1

LED

Net2 plus

12V DC

Data/D0

Clock/D1

Media Detect

0V

OK

12V

LED

TampLEDer sw2 itch (optional)

LED

12V DC

Data/D0

Clock/D1 Media Detect 0V

10 100

10/100 Ethernet

I

RS485

CAT5

TX

RX

Exit button (push to12V - 2m4V ake)

0V 0V

N.C.

N.O

1

COM

NormN.Ca. lly closed 2 dooN.Or contact

COM

(optional)

EXIT

12V

COM N.O N.C.

12V DC

LED 12V

0V

LED

LED 1

LED EXIT 0V

Data/D0

Clock/D1

Paxton Net2 plus

0V

12V LED

LED

2

LED

Data/D0

Clock/D1

0V

12V DC

0V

0V

I

RS485

CAT5

TX

RX

0V 10

100 10/100 Ethernet

1 2

EXIT

12V - 24V 0V

0V N.C. N.O COM N.C. N.O COM

12V LED

PSU

to next ACU

TCP/IP patch lead

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Net2 APN-1012

Communication

By far the most common cause of problems with Net2 installations, is incorrect wiring of the data/network connection. When using an RS485 dataline, it is extremely important that the following simple rules are followed for each controller on the line and that the line is terminated correctly.

The data line must loop in and out of each controller using the same coloured cores for each unit. CAT5 colour codes are shown on the controller's wiring label. The controllers must be installed in one continuous daisy chain.

Any spare cores and the cable screen must be connected to the network screen terminal. This provides a common 0V reference for all of the controllers on the data line.

Termination resistors (120 ohm) must be linked across both data pairs at the beginning AND end of the data line. This can be done on many units with a switch or jumpers. If not, free resistors are provided with the data converter. If the converter is located at a point along the data line, termination will only be required in the two ACU's at each end of the line.

Net2 plus

A Net2 plus can connect to the Net2 PC using either a standard TCP/IP Ethernet RJ45 cable or an RS485 data line. This greatly increases the number of installation options available to the installer.

Net2 plus can also be used as the TCP/IP interface for a daisy chain of other Net2 plus or Net2 classic units.

A TCP/IP connection must first be detected using the Net2 Server Configuration utility in the same manner as a TCP/485 converter. When used on an RS485 data line, any required termination resistors are linked across the data pairs by a simple slide switch.

A dedicated Intruder Alarm connection is provided.

Net2 nano

The Net2 nano is a wireless based access control unit. It connects to the central administration PC using Paxton proprietary and secure wireless technology (Net2Air). Net2 nano control units can be mixed with other Net2 control units and so can be added to existing Net2 installations. The unit has a dedicated 12V DC lock output (incorporating an integrated diode), an Alarm output and a separate voltage free relay. Exit buttons, door contacts, tamper switches and mains failure alarms can all be connected.

Control units communicate to the PC via a Net2Air bridge. These come in USB and Ethernet variants so a site may be covered by several bridge units at different locations.

The Net2Air protocol is based on the standard known as IEEE 802.15.4. It operates at 2.4GHz and can co-exist with wireless LAN networks and other devices using this frequency.

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Net2 APN-1012

Installation of an ACU in a PSU enclosure

The best way to install a Net2 ACU is in the specially designed Paxton power supply enclosure. This unit contains a 2A 12V DC power supply, a charging circuit for battery back up and an enclosure tamper switch.

Alarm messages will be reported to the Net2 server if the lid of the ACU is opened (tamper) or if the mains supply to the unit fails (this alarm will only work successfully if battery back up is fitted).

12V 0V 12V 0V 12V 0V PSU 0V

12V DC Outputs

00VV 0V AArrmmARM SSenSnsEsNeSE CCOOCMMOM NN.O.ON...O

N.C.

1122VV LREeDd LED LAEmD ber LED

1 LGEDreen LED

DDaatata/D/D00 CClolocckk/D/D11 MDMeeetdedicaiat Detect 00VV

1122VV LREeDd LED

LAEmDber LED 2 LGErDeen LED

DDaatata/D/D00

CClolocckk/D/D11 Media DMeteedcita Detect 00VV

RReeaaddeerr 22

12V DC

Reader 1

12V DC

Cauttiioonn:: FFoorr 1122VV DDCC rreeaaddeerrss oonnllyy

Expansion

Set Set

IntrudIenrtrAuldaremr Alarm

Net2 plus

hhttttpp::////ppaaxxttoonn..ininffoo//110077

1

2345612

LA1B2E3L 4H5E6RE

00-01-02-03-04-05

2

OK

OOuuttpputs

Net2 plus

EXIT

OOrraannggee

WWhhtt//OOrrnngg

GGrreeeenn

WWhhtt//GGrrnn SSccrreeeenn oorr ssppaarree ccoorreess ffrroomm ddaattaa ccaabbllee

End of Line Termination

ION

OFF

SSeerrvveerr CCoonnnneecctteedd

SSeerrvveerr LLiin1n1kk0011010100000 1011/001//10100000EEEthtthheeerrrnnneeettt

RS4R8S548N5etwork

CCAATT55 CAaabbT5llee CCooddiinngg

TXTTxx

RXRRxx

PSU PPSSUU//TTaammppeerr

IInnppuuttss CCoonnttaacctt

Power Power DC Only

EExxiitt BBuuttttoonn

RRelay 2

Relay 1

121V2--221442VVV 00VV

00VV NN.C.C. . NN.O.O. CCOOMM NN.C..C. NN.O.O. COCMOM Alarm

12V12V LEGDreen LED

EXIT 0EVxit 0V0V

Contact 0V 0V 0V 0V

Tamper

PSPUSU

Tamper Switch

INPUT OUTPUT

AC 100-240V 50 / 60 Hz 1.2A DC 13.8V 2A

PSU

Mains failure monitoring

Back-up battery

12V

7Ah

MAINS POWER

Links to online documentation

For further information about a specific ACU or advice on the communication methods available, please see the following:

X Ins-30000 - Net2 classic quickstart guide < > X Ins-30080 - Net2 plus control unit < > X Ins-30075 - Net2 nano control unit < >

X AN1077 - Net2 plus - how does it work? < > X AN1095 - Net2 nano - how does it work? < >

X AN1040 - Installing a Net2 data line < > X AN1006 - Installing remote sites using TCP/IP < > X AN1096 - How to plan a Net2 nano installation < >

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