AMX AXB-VOL3 User Manual
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AXB-VOL3

Three-ChannelVolume Control

AXlink Bus Controllers

AMX Limited Warranty and Disclaimer

AMX Corporation warrants its products to be free of defects in material and workmanship under normal use for three (3) years from the date of purchase from AMX Corporation, with the following exceptions:

Electroluminescent and LCD Control Panels are warranted for three (3) years, except for the display and touch overlay components that are warranted for a period of one (1) year.

Disk drive mechanisms, pan/tilt heads, power supplies, MX Series products, and KC Series products are warranted for a period of one (1) year.

Unless otherwise specified, OEM and custom products are warranted for a period of one (1) year.

Software is warranted for a period of ninety (90) days.

Batteries and incandescent lamps are not covered under the warranty.

This warranty extends only to products purchased directly from AMX Corporation or an Authorized AMX Dealer.

AMX Corporation is not liable for any damages caused by its products or for the failure of its products to perform. This includes any lost profits, lost savings, incidental damages, or consequential damages. AMX Corporation is not liable for any claim made by a third party or by an AMX Dealer for a third party.

This limitation of liability applies whether damages are sought, or a claim is made, under this warranty or as a tort claim (including negligence and strict product liability), a contract claim, or any other claim. This limitation of liability cannot be waived or amended by any person. This limitation of liability will be effective even if AMX Corporation or an authorized representative of AMX Corporation has been advised of the possibility of any such damages. This limitation of liability, however, will not apply to claims for personal injury.

Some states do not allow a limitation of how long an implied warranty last. Some states do not allow the limitation or exclusion of incidental or consequential damages for consumer products. In such states, the limitation or exclusion of the Limited Warranty may not apply. This Limited Warranty gives the owner specific legal rights. The owner may also have other rights that vary from state to state. The owner is advised to consult applicable state laws for full determination of rights.

EXCEPT AS EXPRESSLY SET FORTH IN THIS WARRANTY, AMX CORPORATION MAKES NO OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. AMX CORPORATION EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED IN THIS LIMITED WARRANTY. ANY IMPLIED WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED TO THE TERMS OF THIS LIMITED WARRANTY.

 

Table of Contents

Table of Contents

 

Product Information .................................................................................................

1

Specifications ....................................................................................................................

1

Installation .................................................................................................................

3

DIP Switch Settings...........................................................................................................

3

Wiring ................................................................................................................................

3

Preparing and connecting captive wires ..................................................................................

3

Wiring guidelines..............................................................................................................

........ 3

AXlink connector ...............................................................................................................

....... 4

Volume channels 1 - 3 connectors...........................................................................................

4

Programming ............................................................................................................

5

Channel Settings Commands............................................................................................

5

Levels ................................................................................................................................

5

Send_Commands..............................................................................................................

6

AXB-VOL3Three-ChannelVolume Control

i

 

 

 

 

Table of Contents

 

ii

AXB-VOL3Three-ChannelVolume Control

 

 

 

Product Information

Product Information

The AXB-VOL3Three-ChannelVolume Control provides three audio volume control channels. Eachline-levelchannel,opto-isolatedfrom system ground, can be configured for balanced or unbalanced line operation. TheAXB-VOL3is programmable for 128 steps of audio level, audio mute, variable ramp speed and level presets. TheAXB-VOL3connects to Axcess control systems using the4-wireAXlink data/power bus; it can be used for remote or rack mount applications.

 

 

DEVICE

 

 

 

 

 

 

 

 

 

 

 

 

Front

AXlink

 

 

 

 

 

 

1

 

2

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Device

 

 

 

 

 

 

 

AXlink LED

 

 

 

 

 

DIP switch

 

 

 

 

 

Channel LEDs

 

 

 

 

 

 

 

 

 

 

 

 

GND

AXM AXP

PWR

OUT

OUT

GND

IN

IN

GND

OUT OUT GND IN

IN

GND

OUT

OUT

GND IN IN

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rear

 

AXlink

 

 

 

VOL CHAN 3

 

VOL CHAN 2

 

 

 

VOL CHAN 1

 

Volume Channel

connector

AXlink connector

FIG. 1 AXB-VOL3front and rear panel

Specifications

AXB-VOL3Specifications

Three line-levelaudio control channels:

Line operation:

Balanced or unbalanced

 

 

Audio ground:

Audio ground opto-isolatedfrom system ground.

 

 

Nominal input level:

-10to +4 dBm.

 

 

Max. input/output level:

+16 dBm.

 

 

Volume level resolution:

128 volume level steps (+ .5 dB per step).

 

 

Attenuation:

72 dB at full attenuation (mute).

 

 

Total Harmonic Distortion:

THD = <.008%

 

 

Frequency Response

20 Hz to 20 kHz +/- 1 dB

 

 

AXB-VOL3Three-ChannelVolume Control

1

 

 

 

 

Product Information

AXB-VOL3Specifications (Cont.)

Front Panel Components:

AXlink LED

AXlink LED (green and blinks to indicate AXlink communication activity and

 

power:

 

Full-Offindicates no power is being received or the controller is not functioning

 

properly.

 

• One blink per second indicates power is active and AXlink communication is

 

functioning.

 

Full-Onindicates there is no AXlink control or activity, but power is On.

 

 

Device DIP Switch

An 8-positionDIP switch used to set the AXlink device number for the

 

AXB-VOL3.

 

 

Channel LEDs

Red channel LEDs 1 - 3. The LEDs individually light indicating a change in chan-

 

nel levels.

 

 

Rear Panel Components:

 

 

 

AXlink connector

4-pin,captive wire connector, receives power and information via the AXlink and

 

AXlink Central Controller.

 

 

Volume Channel

6-pin,captive wire connectors that control audio level, audio mute, variable ramp

connectors

speed and level presets of up to 3 devices.

 

 

Enclosure

Metal with black matte finish

 

 

Dimensions (HWD)

1.51" x 5.55" x 5.45" (3.84 cm x 14.10 cm x 13.84 cm)

 

 

Weight

1.1 lb (0.499 kg)

 

 

AXlink Power

12 VDC @ 230 mA

 

 

 

2

AXB-VOL3Three-ChannelVolume Control