ADEMCO Alpha Vista Console Manual de usuario descargar pdf (Pagina 10)

2-WIRE POLLING LOOP EXPANSION (Zones 9-64)

GENERAL

INFORMATION

INTERCOM

INTERFERENCE

ADVISORIES

POLLING LOOP SMOKE

DETECTORS

The 5140XM provides a built-in 2-wire polling loop interface which allows the

number of zones to be expanded from the basic 8 zones to UPto ~ zones u.sin9

various addressable polfing loop sensors. The panel supewises the ~lhn~ \p

wiring for open, short and earth ground faufts. See below for a fist of comptile

sensors and for comments regarding reefritions on burglary and fire usage.

The potting loop provides power to sensors and serves as a mmmunication path

between fhe panel and sensors. Each sensor must be assigned a unique

address ID number (from 9-64) before being connected to the polfing loop. Most

sensors have DIP switches for this purpose. See the DIP SWITCH SETTING

TABLE FOR POLLING LOOP DEVICES for information on how to assign ID

numbers using DIP switches. Care must be taken to assign unique ID numbers to

each sensor in order to allow the panel to supervise and provide unique wnsole

sfatus indications for individual sensors.

Sensors can be connected to a single run, or groups of sensors may be

connected fo separate wire runs without affefing the pane~s atifity to supervise

individual senmrs. Follow the wiring instmcfions provided with individual sensors

(4190WH wiring diagram is provided at the end of this manual). Be sure to

observe sensor polarify when wiring. The maximum allowable wire run length

between the panel and the last sen~r on a given wire wn is as follows:

Pollin Loo Wire Run Lengths

NOTE: Twisted pair remmmetied for all normal wire runs.

IMPORTANT: The maximum comtined polfing loop run is 400V. If using

shielded wire, the maximum is 2000. If longer wire runs are needed, a 4197 Loop

Extender Module must be used.

If an intercom system is being used, the ~lhng loop wires must be as far frorn%he

intercom wiring as possible (minimum 6). If this spacing cannot be achieved,

shielded wire must be used. If this is not done, interference on the intercom

system might occur. Also note that the maximum total wire length sup~rted is cut

in hati when shielded wire is used.

The maximum allowable current draw on the polhng loop is 84mA. Refer to the

POLLING LOOP CURRENT DRAW WORKSHEET (found in the POWERING THE

SYSTEM section) for current draws of various Wlfing loop devices. If more than

64mA is being drawn, use of the 4197 provides another loop with 64mA

avdlable.

Make certain to include the total current drawn on the pelting loop in the Total

Standby/Alarm Load Worksheet (see POWERING THE SYSTEM section) when

figuring the total auxihary load on the pane~s power supply.

Can be added to the 2-wire Poling Loop on zones 9 through 84 (as programmed

in fields ’03, ’04, ’05, 1’01, 1’02, 1.03, 1’04 and 1.05). These detectors have a

buiti-in RPM which is DIP switch programmable. They are wired in parallel to the

pelting loop, and do not need auxikay power or a separate reset switch. The

polfing loop provides power and reset signals to the detectors, as well as alarm

and frouble signals from the detectors.

4192SD Photoelectric Polling Loop Smoke Detector

Direct wire photoelectric smoke detector wifh built-in RPM which is DIP switch

programmable.

4192SDT Photoelectric Polling Loop Smoke Detector w/Heat

Detector

Direct wire photoelectric smoke’ detector with f 35°F (57°C) heat detector, and

buiti-in RPM which is DIP switch programmable.

4192CP Ionization Smoke Detector

DireCl wire products of combustion ionization detector with buik.in RPM which is

DIP switch programmable.

-1o-

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ADEMCO Alpha Vista Console Manual de usuario Pagina 10

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