Introduction; Tools & Test Equipment - EMS 7940 IRIS+ Installation And Programming Instructions

EMS 7000 IRIS +

1. Introduction

1.1 The high powered contact operated UHF transmitter has been designed to operate
in conjunction with the EMS IRIS 7256 and 7703 radio receivers. The transmitter
unit is a 12 volt operated device and comprises of a 500mW transmitter, fitted with
an additional printed circuit board with eight opto isolated inputs. The transmitter
only uses four of these opto isolated inputs; these are inputs 1, 2, 7 and 8. These
inputs when activated transmit fixed events. Input 1 when activated will transmit
an alarm event, input 2 will transmit a local event, input 7 will transmit a low
battery event and input 8 will transmit a tamper event.
programmed into the IRIS receiver therefore allowing individual identification via
text descriptions. The transmitter can also be programmed into the 7703 receiver
giving LED indication of an alarm event.
programmed to operate either normally open or normally closed. The IRIS receiver
is capable of having a maximum of 256 transmitters in total added, whist the 7703
receiver is capable of having a maximum of 48 transmitters in total added.
1.2 As each input is opto isolated, a negative is required to be applied to one side of the
input. To trigger the input, a positive voltage should be applied if the contact is
programmed as normally open or removed if normally closed (see Figure 4, on page
20, for full wiring details).
inputs pre-wired and the units tamper switch will also be pre-wired with both
positive and negative connections taken to the tamper input (input 8). On an input
activation a signal will be transmitted to an IRIS receiver and displayed in the
format programmed i.e Alarm: Zone Area 1 for an input 1 activation with the text
description of the transmitter programmed as Zone Area 1. If a 7703 receiver was
being used on activating input 1, the red Alarm LED would illuminate to give a
visual indication.
2. Tools & Test Equipment
2.1 Only standard hand tools are required to install the transmitter unit. The transmitter
is supplied with the inputs factory set as follows:-
INPUT NUMBER
If an inputs orientation requires alteration, Windows HyperTerminal with a serial a lead
will be required.
The unit when supplied will have the negatives of the
1
2
3
4
5
6
7
8
The inputs themselves can also be
TYPE
Alarm
Local
Not Used
Not Used
Not Used
Not Used
Low Battery
Tamper
3
The transmitter can be
INPUT
ORIENTATION
Normally Open
Normally Open
N/A
N/A
N/A
N/A
Normally Open
Normally Closed
7940 ENGINEERS GUIDE v2.2 – 13/04/10