AMX MET-7 Spezifikationen PDF herunterladen (Seite 29)

Wiring and Connections

Metreau Keypads

Using AxLink for Data with an Auxiliary Power Supply

Use an auxiliary 12 VDC power supply when the distance between the controller and server exceeds the limits

described in the AxLink Wiring Guidelines. Connect only the GND (-) wire on the AxLink connector when

using an auxiliary 12 VDC power supply.

Connect the NetLinx Controller’s AxLink connector to the AxLink connector on the rear panel of the Metreau

keypad, as shown in FIG. 20.

Orientation of AxLink Connectors

Note the orientation of the two AxLink 4-pin connectors; be sure to maintain straight-thru wiring as shown in

the diagrams, relative to the connectors (FIG. 21):

AxLink Status LED

The AxLink Status LED (located next to the AxLink connector), lights to indicate AxLink power/data status as

follows:

If the LED is on and not flashing, disconnect the AxLink connector and recheck all AxLink connections.

Then, reconnect the AxLink connector to the panel and verify the LED is flashing once per second.

FIG. 20 AxLink and 12 VDC power supply wiring diagram

12 VDC power supply

PWR (+)

AXP

AXM

GND (-)

Metreau keypadNetLinx Controller

PWR (+)

AXP

AXM

GND (-)

PWR (+)

GND (-)

If you are not using power from AxLink, disconnect the wiring from the controller

before wiring the Metreau keypad. Make sure the auxiliary power supply’s PWR (+) is

not connected to the controller’s AxLink connector.

FIG. 21 AxLink wiring - orientation of the AxLink connectors

AxLink LED Status

• 1 blink per second: Indicates power is active and AxLink communication is working.

• Full On: Indicates the following conditions:

• There is no AxLink control or activity, but power is On.

• The Axcess program is not loaded.

NetLinx Controller Metreau Keypad (or other AxLink device)

PWR (+)

AXP

AXM

GND (-)

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 85 86

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