Inovonics EN1252 User Manual download pdf

8.14.13 06431D © Inovonics, 2013 - www.inovonics.com

EN1252 Long Range Dual Input

Universal Transmitter

Installation Instructions

1 Overview

The EN1252 long range dual input universal transmitter provides

five times the power of standard Inovonics universal transmitters.

To support the increased power, the EN1252 can operate using

an external power source or the internal battery. The unit is

designed for use with any standard contact or sensor that

provides a contact closure – normally open or closed – and

includes connections for two alarm inputs as well as tamper and

reset.

Note: The EN1252 requires use of a serial receiver or network

coordinator, as well as an application designed to support

advanced functionality.

1.1 Inovonics Contact Information

If you have any problems with this procedure, contact Inovonics

technical services:

• E-mail: [email protected]

• Phone: (800) 782-2709; (303) 939-9336

1.2 EN1252 Internal Components

Figure 1 EN1252 internal components

1.3 External Connector Pinout

Figure 2 External connector pinout

Note: The EN1252 external header (6-pin/2x3) mounted to the

printed circuit board receives a Molex connector with 2mm lead

spacing. This part can be purchased from Digi-Key using the part

number WM18577-ND.

1.4 What’s In the Carton

• One 3.0V lithium battery, Inovonics part number BAT604

• Three drywall anchors

• Three mounting screws

• Two selection jumpers

2 Installation and Startup

2.1 Installation Notes

• These products are designed to be maintained by

professional security technicians

• Products are tested for indoor use

• All products should be manually tested weekly

2.2 Install the Battery

1. Pry the top lip of the mounting bracket up, and lift the bracket

off of the transmitter.

2. Use your thumb to depress the housing release tab on the

bottom of the transmitter; separate the housing.

3. Install the battery.

2.3 Connect Input Wiring

The transmitter has a three-terminal contact block that can

connect inputs from one or two external contact loops. The

middle terminal is a ground, which is shared by both contact

loops. Input one can be configured for either a normally open or

a normally closed contact loop using the NO/NC selection pins;

input two is always normally closed.

4. Connect cabling to input one and/or input two, as desired.

• The distance from the external contact to the EN1252 must

not exceed 10 feet (3 meters).

2.4 Select Input Type

The N/O-N/C selection pins allow the choice of a normally open

or normally closed state for the contact circuit wired to the input

one terminal. The terminal is shipped set for normally closed,

with no selection jumper on the N/O selections pins. If you need

the input one terminal set for normally closed, no action is

needed; skip to 2.5, “Enable/Disable Housing Tamper”.

5. Place a selection jumper on the selection pins to select

normally open.

2.5 Enable/Disable Housing Tamper

The tamper disable selection pins allow the housing tamper to be

disabled. If you do not wish to disable the tamper, no action is

needed; skip to 2.6, “Register the EN1252”. If you wish to disable

the housing tamper:

6. Place a selection jumper on the tamper disable selection pins

to disable the housing tamper.

7. Press the reset button to complete configuration.

Caution: When pressing the reset button, make sure you don’t

also touch any selection pins. Touching selection pins while

pressing the reset button can inadvertently set the EN1252 to an

undesired configuration.

2.6 Register the EN1252

Transmitters must be registered with the system in order to be

monitored and supervised. When supervised, the transmitter will

send a check-in message to the receiver. Transmitters will send

a check-in message every three minutes. Each transmitter has a

unique factory-programmed identification number.

Note: Refer to the receiver installation instructions for details

about registering a transmitter.

8. When prompted by the receiver to reset transmitter, press

the reset button.

9. Replace the cover.

Caution: The EN1252 should be tested after registration to

ensure operation. To test the EN1252, activate each of the

conditions and ensure an appropriate response.

2.7 Mount the EN1252

10. Mount the bracket on the wall with the screws provided so

that the catch is on the bottom.

11. Clip the transmitter onto the bracket. Hook the bottom catch

first, then press the top into place.

A Reset button B Tamper disable selection pins

C Input two terminal D Ground terminal

E Input one terminal F NO/NC selection pins

G Housing tamper button H External connector

A Power B Ground C Reset

D Primary alarm E Tamper F Secondary alarm

1 2

Summary of Contents

Page 1 - Universal Transmitter

8.14.13 06431D © Inovonics, 2013 - www.inovonics.comEN1252 Long Range Dual Input Universal TransmitterInstallation Instructions1 OverviewThe EN1252 lo

Page 2 - 6 Warranty and Disclaimer

8.14.13 06431D © Inovonics, 2013 - www.inovonics.com3 SpecificationsDimensions: 3.5x1.7x0.9”Weight: 1.9 ozTypical battery life: 1 – 2 years (This does

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Inovonics EN1252 User Manual

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