DSC MAXSYS PC4020 Manual de instalación descargar pdf (Pagina 11)

Section 2: Installation and Wiring

SECTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

This configuration is only used for AML devices. Please

see the installation sheet provided with each device for

more information regarding operation and wiring.

NOTE: No end-of-line resistors are required when

installing these devices.

Once the devices are connected, the PGM terminal

must be configured for AML operation and each

device must be enrolled. See Section 4.4 “Enrolling

AML Devices” for instructions

2.9 Wiring Powered Devices (AUX, SAUX+)

AUX – Auxiliary Power

These terminals can be used to power motion detectors,

glass break detectors and other devices requiring power.

The AUX (positive) and GND (negative) terminals can

provide up to 500mA of current.

SAUX+ – Switched Auxiliary Power

This terminal provides positive power (12V

DC) and can

be de-energized via the [*][7][2] keypad command (pro-

vided that the output is programmed as Command Out-

put #2). Typically, this output is used for providing

power to latching type devices that require a power

interruption in order to reset.

2.10Telephone Line Wiring

The telephone terminals provide connections to the

incoming telephone lines for central station reporting.

The wires from the RJ31-X jack must be connected in the

following manner:

NOTE: For proper operation, there must be no other

telephone equipment connected between the control

panel and the incoming telephone line (e.g. answer-

ing machines, fax machines, telephones, etc.). Ensure

that plugs and jacks meet the dimension, tolerance

and metallic plating requirements of 47 CFR Part 68

Subpart F.

2.11Bell Output Wiring (BELL

and BELL

)

These terminals are used for powering bells, sirens or

other devices requiring steady output voltage on alarm.

The panel can provide up to 2A short-term or 700mA

long-term current. The output is supervised. A trouble

condition will be generated when the bell connection is

lost. If no bell or siren is being used, connect a 1000Ω

resistor across the BELL+ and BELL- terminals to elimi-

nate a trouble condition.

To ensure proper operation, the wire length of the bell

loop must be considered.

Consult the following chart to determine the maximum

wire length for the bell loop with respect to current. The

values reflect the use of a 30 watt siren.

To increase the length, double up on wire. For example,

when using 22-gauge quad, use two conductors for the

Bell+ connection and two for the Bell-. This effectively

doubles the maximum distance.

2.12Earth Ground Wiring

The cabinet should be earth grounded using the ground-

ing kit supplied. Ensure that the connection from the

cabinet to the metallic cold water pipe or earth ground-

ing rod is made with minimum 14-gauge solid copper

wire.

The EGND terminal must be connected to earth ground

to enable ground fault detection. A Ground Fault trouble

will be indicated if any conductor on the system has a

resistance to earth ground of 40kΩ or less.

Only earth ground the main panel and the first module

connected to the telephone line.

Distance to last bell/siren (ft/m)

Bell Loop

Load

Current

22 AWG

Wire

20 AWG

Wire

18 AWG

Wire

16 AWG

Wire

14 AWG

Wire

2000mA 18/6 29/9 46/14 73/22 116/35

1800mA 20/6 32/10 51/16 81/25 129/39

1000mA 36/11 58/17 92/28 147/44 233/70

700mA 52/16 82/25 132/40 210/64 332/101

500mA 73/22 115/35 184/56 293/89 465/141

100mA 364/110 577/175 922/279 1467/445 2326/705

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 51 52

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DSC MAXSYS PC4020 Manual de instalación Pagina 11

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