ADEMCO VISTA-128B Einstellungsanleitung PDF herunterladen (Seite 38)

VISTA-128B Installation Instructions

5-2

3. Run field wiring from the control to the keypads (using standard 4-conductor cable of the

wire gauge determined in step 1).

4. Connect the keypad(s) to terminals 6, 7, 8, & 9 on the control board, as shown in Figure

5-1.

KEYPADS

BLACK

RED

GREEN

YELLOW

CONTROL

TERMINALS

Figure 5-1: Keypad Connections to Control Panel.

Using a Supplementary Power Supply to Power Additional Keypads

The control provides 750mA auxiliary standby power for powering keypads and other devices

from the auxiliary power output. Aside from this, the control can support up to 16 peripheral

devices (keypads, RF receivers, relay modules, etc.). The backup battery will supply power to

these devices in the event that AC power is lost (see the Final Power-Up Procedure section

for more information).

When the control’s auxiliary power load for all devices exceeds 750mA, you can power

additional keypads from a regulated, 12VDC power supply (e.g., Alarm-Saf Model AS/PS5-

BFS-12-UL). Use a UL Listed, battery-backed supply for UL installations.

Connect the additional keypads as shown in Figure 5-2, using the keypad wire colors shown.

Be sure to observe the current ratings for the power supply used.

Make connections directly to the screw terminals as shown in

Figure 5-2

. Make no connection

to the keypad blue wire (if present).

Be sure to connect the negative (–) terminal on the power supply unit to terminal 7 (AUX

–

) on

the control.

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ADEMCO VISTA-128B Einstellungsanleitung Seite 38