Instrukcja obsługi AMX AXB-VOL3
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Installation Guide
AXB-VOL3 3-Channel Volume Controller
Overview
The AXB-VOL3 (FG5756) controls three audio volume channels. Each line-level channel,
opto-isolated from system ground, can be configured for balanced or unbalanced line
operation. It is programmable for 128 steps of audio level, audio mute, variable ramp speed
and level presets.
Specifications
Installation
Setting the DEVICE DIP Switch
Note: Use the DIPSwitch 2.0 application available for free download from AMX to quickly
figure out DIP Switch settings for all types of DIP Switches.
Set the device number on DEVICE DIP switch, located on the front of the AXB-VOL3. The
device can be 1 of the 255 devices in an Axcess control system. The device number must
match the device assignment in the Axcess program. Device numbers are assigned into the
following three segments:
•Cards 1 through 95
•Boxes 96 through 127
•Panels 128 through 255
Set the device number by setting the device DIP switches. The device number is the total of
all of the switches in the ON position, and take effect by cycling the power.
Wiring
Preparing and Connecting Captive Wires
1. Strip 0.25 inch of wire insulation off all wires.
2. Insert each wire into the appropriate opening on the connector according to the wiring
diagrams and connector types described in this section.
3. Tighten the screws to secure the wires. Do not tighten the screws excessively; doing
so may strip the threads and damage the connector.
Wiring Guidelines
The interface requires a 12 VDC power to operate properly. The interface uses a PSN2.8
power supply. The Central Controller supplies power via the AxLink cable or external 12 VDC
power supply.
The maximum wiring distance between the Central Controller and interface is determined by
power consumption, supplied voltage, and the wire gauge used for the cable.
The table below lists wire sizes and maximum lengths allowable between the VOL3 and
Central Controller. The maximum wiring lengths for using
AxLink power are based on a minimum of 13.5 volts available at the Central Controller’s
power supply.
AxLink Connector
Install the AxLink data/power bus wiring as shown in FIG. 2.
Volume Channels 1 - 3 Connectors
Volume channels 1 - 3 can be wired for unbalanced or balanced line operation, as shown in
FIG. 3.
FIG. 1 AXB-VOL3
AXB-VOL3 Specifications
Three Line-level Audio Control Channels:
Line operation: Balanced or unbalanced
Audio ground: Audio ground opto-isolated from system ground.
Nominal input level: -10 to +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
Front Panel Components
AxLink LED AxLink LED (green and blinks to indicate AxLink commu-
nication activity and power:
• Full-Off indicates 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-On indicates there is no AxLink control or activity,
but power is On.
Device DIP Switch An 8-position DIP switch used to set the AxLink device
number for the AXB-VOL3.
Channel LEDs Red channel LEDs 1 - 3. The LEDs individually light indi-
cating a change in channel levels.
Rear Panel Components
AxLink connector 4-pin, captive wire connector, receives power and infor-
mation via the AxLink and AxLink Central Controller.
Volume Channel connectors 6-pin, captive wire connectors that control audio level,
audio mute, variable ramp 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
FIG. 2 AXB-VOL3 rear panel
GND
AXP
AXM
PWR
OUT
OUT
GND
IN
IN
GND
IN
OUT
OUT
GND
GND
IN
OUT
IN
GND
OUT
IN
GND
AXlink VOL CHAN 3 VOL CHAN 2 VOL CHAN 1
Volume Channel
connectors
AxLink connector
DEVICE DIP Switch Settings
Position 1 2 3 4 5 6 7 8
Value 1 2 4 8 16 32 64 128
Wiring Guidelines at 230 mA
Wire Size Maximum Wiring Length
18 AWG 510.31 feet (155.54 m)
20 AWG 371.29 feet (113.17 m)
22 AWG 201.29 feet (61.35 m)
24 AWG 126.88 feet (38.67 m)
FIG. 3 AxLink data/power connections
FIG. 4 Volume Channels 1 - 3 Connector wiring diagrams
PWR
AXP
AXM
GND
PWR
AXP
AXM
GND
AXB-VOL3
Control
system
GND
IN-
IN+
GND
OUT-
OUT+
Unbalanced IN
Jumper IN- to GND
Unbalanced OUT
GND
IN-
IN+
GND
OUT-
OUT+
Balanced
IN
Balanced
OUT
Optional 600 ohm resistor can be added for impedance matching, if required
For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).
5/12
©2012 AMX. All rights reserved. AMX and the AMX logo are registered trademarks of AMX.
AMX reserves the right to alter specifications without notice at any time.
3000 RESEARCH DRIVE, RICHARDSON, TX 75082 • 800.222.0193 • fax 469.624.7153 • technical support 800.932.6993 • www.amx.com
93-5756-01 REV: A
Programming
The following sections list Axcess programming commands used with the AXB-VOL3.
Channel Settings Commands
Use the AXB-VOL3 channel settings listed for ramp up, ramp down and mute operations.
Note: Ramping a volume channel while the mute channel is on will NOT automatically turn
off the mute channel (will not restore) but the ramping will still occur and the volume change
will be noticed when the mute channel is turned off. For setting ramp rates and presets, see
SEND_COMMAND programming instructions below. For reading current volume levels and
displaying bargraphs see CREATE_LEVEL and SEND_LEVEL programming instructions.
Volume channels 1 through 3 use levels 1 to 3 respectively.
When controlling levels, such as with an active bargraph, there is no LED indication of
volume changes.
Levels
• 1 = Output #1
• 2 = Output #2
• 3 = Output #3
SEND_COMMANDs
System SEND_COMMANDs are stored in the Axcess Control System.
AXB-VOL3 Channel Setting Commands
Channel Description Channel Description
1 Ramps channels 1 and 2 up. 7 Ramps channel 2 up.
2 Ramps channels 1 and 2 down. 8 Ramps channel 2 down.
3 Mutes channels 1 and 2. 9 Mutes channel 2.
4 Ramps channel 1 up. 10 Ramps channel 3 up.
5 Ramps channel 1 down. 11 Ramps channel 3 down.
6 Mutes channel 1. 12 Mutes channel 3.
AXB-VOL3 SEND_COMMANDs
Command Description
PLT Ramps specified channel(s) from current level to a specified preset level or
percentage at the current rate or optionally in a specified amount of time.
Syntax:
SEND_COMMAND VOL, ’P<output channel 0-3>L
<level 0-255|0-100%>[T<Time 0-255 in tenth second
increments>]’
Variables:
Output Channel = Channel numbers 1, 2 or 3. Output channel 0 = both
channels 1 and 2.
Level = Level number (0-255) or percentage (0-100 percent). Level 0 is
lowest volume (same as mute) and 255 or 100% is maximum volume.
Time = Optional ramp time (0-255) in tenths of a second.
Example 1:
SEND_COMMAND VOL,'P0L50%'
Ramps both channels to 50% mid level volume at the current ramp rate.
Example 2:
SEND_COMMAND VOL,'P1L255T20'
Ramps channel 1 to highest level volume in 2 seconds.
PR Sets the ramp rate of the specified channel(s) where the time is the time to
ramp the full range both down to up and up to down or optionally just down
to up or just up to down.
Syntax:
SEND_COMMAND VOL, 'P<output channel 0-3>R
<ramp rate 0-255 in tenth seconds>[U|D]'
Variables:
Output Channel = Channel numbers 1, 2 or 3. Output channel 0 = both
channels 1 and 2.
Ramp Rate = Sets ramp rate (1-255) for channel commands in tenth
second increments.
U = Optional character sets rate for ramp up.
D = Optional character sets rate for ramp down.
Example 1:
SEND_COMMAND VOL, 'P0R50'
Sets ramp rate of channels 1 and 2 to 5 seconds full range from down to
up and up to down.
Example 2:
SEND_COMMAND VOL, 'P3R50D'
Sets ramp rate of channel 3 to 5 seconds full range from up to down only.
AXB-VOL3 SEND_COMMANDs (Cont.)
Command Description
PP Syntax:
SEND_COMMAND VOL, ’P<Channel> = P<Channel>’
Variable:
Channel = Enter channel number.
Examples:
SEND_COMMAND VOL, ’P1 = P2’
Sets channel 1 level to the same as channel 2.
SEND_COMMAND VOL, ’P1 = P3’
Sets channel 1 level to the same as channel 3.
SEND_COMMAND VOL, ’P2 = P1’
Sets channel 2 level to the same as channel 1.
SEND_COMMAND VOL, ’P2 = P3’
Sets channel 2 level to the same as channel 3.
SEND_COMMAND VOL, ’P3 = P1’
Sets channel 3 level to the same as channel 1.
SEND_COMMAND VOL, ’P3 = P2’
Sets channel 3 level to the same as channel 2.
Note: You cannot use 'P0' with these commands.
Specyfikacje produktu
| Marka: | AMX |
| Kategoria: | sterownik |
| Model: | AXB-VOL3 |
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