EMS 7000 Iris+ Manuale utente

7258 UHF Remote Receiver

Operating Instructions

Contents

Introduction 3

Wiring Details 3

Tools & Test Equipment 5

Remote Receiver Positioning 5

Electrical Installation 5

Software Conguration 6

Iris+ Main Menu 6

Main Iris+ Receiver Software Conguration 7

Testing the System 9

Measuring the Background Level 9

On-site Range Testing 10

Site Testing with a Pager 10

Site Testing (Single Person) 11

Site Testing (Two Person) 12

Commissioning & Programming 13

Wiring 14

Introduction

The Remote Receiver for the Iris+ is designed to extend the systems wireless coverage. This is

usually necessary where the premises to be protected occupies a large area, is spread over

many oors or is in an area which is subject to high levels of radio interference.

The Remote Receiver units are all coded to allow individual identication. This code number

(3-31) can be located on the rear of the unit and also internally. When adding additional

Remote Receivers to a site, the existing receiver code numbers can be viewed from the Iris

receivers menu structure. For a step by step guide to viewing the devices code numbers, refer

to the ‘Main Iris+ Receiver Software Conguration’ section.

Important Note:

Before commencing the installation, check that all Receivers which are to be connected to the

Iris+ have dierent NUA code numbers from any other new / existing Remote Receivers, to ensure

correct operation.

The Remote Receiver is hardwired to the Iris+ using screened 4 core cable. Up to 28 Remote

Receivers can be connected to the Iris+. The presence of one or more Remote Receivers is

transparent to the user.

Wiring Details

The Remote Receivers and the Iris+ must be wired together in a daisy chin style. The Iris+ can

be positioned anywhere along this cable run. Under no circumstances should the units be

wired in a star conguration. The maximum overall cable run for the RS485 Bus is 1000

metres. A block diagram showing examples of correct / incorrect Remote Receiver wiring is

shown overleaf in Figure 1.

Iris+ Remote Receivers

End

Line

Iris+ Remote Receivers

End

Line

Remote Receiver

No End Of Line

Required

Iris+

Remote

Receivers

Remote

Receivers

Figure 1

Iris+

Remote

Receivers

Remote Receiver

Tools & Test Equipment

No special test equipment is needed when installing the Remote Receiver. Only standard

hand tools are required to install and commission the wireless system. Beldon four core

screened cable is recommended for the connection between Remote Receivers and the Iris+

Receiver. It is also recommended that the Iris+ Engineers Programming Manual is available

when commissioning a remote receiver.

Remote Receiver Positioning

The maximum range between a Remote Receiver and any transmitter is dependant upon the

local environment. A range of up to 250 metres can be obtained although actual range

achieved is determined by site conditions, the quality of the receivers aerial and how well the

system has been installed.

When selecting a site for the receiver, the installing engineer should be aware that the aerial

should be as far as away from electrical / electronic equipment as possible and a minimum of

2 metres from any such equipment. The systems performance will be reduced if the aerial is

closer and will also be reduced by metal objects such as ling cabinets, pipe work, radiators

and air conditioning ducts obstructing the aerial.

Electrical Installation

The Iris+ Receiver and Remote Receivers are supplied with a connection back box and should

be wired as shown on page 14.

The Remote Receiver must NOT be used as a junction box or cable termination point for other

equipment as this will adversely eect performance of the system. Only those cables needed

to make the Remote Receiver function should be fed into the connection back box.

The Remote Receiver case must be earthed. An earthing tag is provided for this purpose. A

tag is located in the connection back box of the Iris+ Receiver. The Iris+ Receiver and Remote

Receivers require a 12Vdc supply. The 0V line should NOT be connected to the same point as

the earth case.

Ensure that the END OF BUS jumper is made on the rst and last receiver in the wiring daisy

chain (See page 4 for further details). The end of bus jumper can be found on the 2411 PCB,

located at the rear of the Iris+ and Remote Receivers door assembly. The jumper is located

top centre of the PCB.

The RS485 port is used as the Remote Receiver Bus. The maximum overall cable run is 1000

metres.

Having installed the Iris+ Receiver and Remote Receivers, it is necessary to programme the

Iris+ Receiver to communicate with the Remote Receivers. If the Iris+ Receiver and the

Remote Receivers were supplied as a system, they will be pre-programmed. If however the

Remote Receiver has been ordered and supplied separately, then the system will need to be

congured. This conguration should always be checked (see below).

Software Conguration

To allow the Iris+ Receiver to communicate with the Remote Receivers, the Iris+ will have to

be programmed to re-scan it’s RS485 Bus. This action will locate all Remote Receivers on the

Bus by identifying their code numbers and allow data received my each Remote Receiver to

be passed to the Iris+ Receiver. If the Iris+ Receiver and Remote Receivers have been supplied

as a system, then the Iris+ Receiver will have these functions pro-programmed. It is good

practice to check that the settings are correct.

The relevant menu options are highlighted below in Figure 2. The programming

requirements are shown in a step by step format in the following sections.

Iris+ Main Menu

Main Menu

Pins & Access

System Support

Serial Comms

Txer Setup

Engineers Ctrl

Time & Date

Radio Setup

Output Setup

Logging

Relay Setup

Remote Rxers

Direct Inputs

Time Control

Txer Grouping

Figure 2

The Main Menu can be scrolled through using the & keys on the front keypad of

the Iris+ Receiver.

Main Iris+ Receiver Software Conguration

Enter the Engineers Mode by turning the key to RESET and entering the engineering PIN

(221100). The Iris+ Receiver’s menu structure is shown below in Figure 3.

Iris+ Receiver’s Menu Structure

Main Menu

Pins & Access

System Support

Serial Comms

Txer Setup

Engineers Ctrl

Time & Date

Radio Setup

Output Setup

Logging

Relay Setup

Remote Rxers

Direct Inputs

Time Control

Txer Grouping

Serial Comms

Device Table

Restart Bus

Reonline Device

Bus Master Setup

Bus Remote Setup

Pager 232 Redirect

Aux 232 Redirect

Printer Redirect

Monitor Comms

Delete Device

Master Setup

Polling Baudrate

Auto Reonline

Port To Use

Reinitialising Bus

Please Wait...

Push Any Key

Master Port=1,

0= O, 1=RS485,

2=Pager 232

1st Action

2nd Action

From the Iris+ Receiver’s Main Menu:

Use the & keys to scroll through the menu, until >Serial Comms< is

highlighted.

Press the key, to select.

Use the & keys to scroll through the menu, until >Bus Master Setup<

is highlighted.

Press the key, to select.

Use the & keys to scroll through the menu, until >Port To Use<

is highlighted.

Press the key, to select. The following screen prompt will be displayed:

Figure 3

Master Port=0,

0= O, 1=RS485,

2=Pager 232 > _

=Done =Del 14:29

Figure 4

Press the key, to change the Master Port to 1, then press the key to conrm

selection. This port number selects which of the output ports is used to be used for

the hardwired connection between the Remote Receiver and theIris+ Receiver.

Press the key once to return to the Serial Comms menu. Use the &

keys to scroll through the menu, until >Restart Bus< is displayed.

Press the key, to select. This will initialise and restart the data bus that the

Remote Receivers are connected to. Press the key when ‘done’is shown.

Use the & keys to scroll through the menu, until >Device Table< is

highlighted.

Press the key, to select. The Remote Receivers connected to the system can

now be viewed. Use the key to scroll through the display to check that the

Remote Receivers are online. A typical display is shown in Figure 5.

03/Remote

Receiver, ONLINE

(0,00)

2=Help 14:29

Figure 5

‘Where ‘03’ is the Remote

Receivers NUA code number.

Press the key once to return to the Serial Comms menu. Use the & keys

to scroll through the menu, until >Monitor Comms< is displayed.

Press the key, to select. A typical display is shown in Figure 6.

HEAP 00 AUX=00 PGR=00

REM 000 MAS 000 T00-00

I 00 L 00 R 00 S 00 C 00

Push Any Key 14:29

Figure 6

The two relevant indicators for the monitoring of the RS485 Bus are described below:

If there is one Remote Receiver

communicating on the RS485 Bus,

the gure will be 10. If there are two

Remote Receivers communicating

on the RS485 Bus, the gure will be

20 and so on.

A time out is where Comms between

the Iris+ Receiver and the Remote

Receiver is lost momentarily.

The number of polls per second ,

from the Iris+ Receiver.

xx is the number of Bus Master

Timeouts that have occurred and

dd is the last device to time out.

MAS xxx

Txx - dd

If the system is not performing as expected in terms of range, monitoring the Comms

between the Iris+ Receiver and the Remote Receivers may well indicate a connection

problem. For example, a large number of Time-outs by a particular Remote Receiver, indicates

a poor connection, poor screening, or the cable passing near enough to a data cable to

introduce interference on the Bus. For correct communication, the amount of time-outs

generated by any Remote Receiver must be less than one minute. To check the amount of

time-outs generated, it is necessary to view the ‘Monitor Comms’ display as previously

outlined, for this time period.

Testing the System

Once the Iris+ and Remote Receivers have been installed, the transmitters should be tested to

ensure sitewide coverage is achieved. Each test transmission received by the system will have

a signal strength value, up to a maximum value of 255. To ensure satisfactory communication,

the transmitters signal strength should exceed the Background Level on the Iris+ by 30.

Measuring the Background Level

To measure the Background Interference Level on the Iris+, the following steps will need to be

carried out. Turn the Iris+ control key to the Reset Position. Press the key and enter the

engineers pin number to access the Main Menu.

From the Main Menu:

Use the & keys to scroll through the menu, until >Radio Setup< is

highlighted.

Press the key, to select.

Use the & keys to scroll through the menu, until >Test Routines< is

highlighted.

Press the key, to select.

Use the & keys to scroll through the menu, until >Monitor Carrier< is

highlighted.

Press the key, to select.

A typical carrier display is shown below. See the Iris+ Instructions for further

information if required.

Monitor Carrier

Level = 26

Highest = 27

14:30

Figure 7

Press the key to back out of the menu structure.

Example 1. Transmitter test transmission signal strength value

Iris+ Background Interference Level

Example 2. Transmitter test transmission signal strength value

Iris+ Background Interference Level

150

- 45

105 OK

- 45

20 Suspect

Therefore, as 20 is less than 30, the signal strength is suspect and reception of signal may be

marginal.

On-site Range Testing

The method of fully testing the system is dependant upon the facilities available to the

commissioning engineers carrying out the range test.

If a paging system is linked to the Iris+ Receiver, full coverage testing can be carried out by

one person with a pager receiver.

If the paging option is not available it would be necessary to re-visit the Iris+ Receiver after

each transmission or communicate back to a colleague situated at the Iris+, using two way

radio etc. to check the signal has been received.

Site Testing with a Pager

To test the system with the availability of on-site paging, the following steps should be taken:

On the Iris+ Receiver, turn the Control Key to the ‘Test’ position.

Turn the Pager Receiver On.

Generate an alarm transmission from the transmitter (push top button for example)

The pager receiver should now receive a signal. An example of a received test

message is shown in the following display:

TEST 192 Local: Hand

Push 001

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