instruction manual
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.
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•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.
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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 |
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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 |
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Table of Contents
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Product Information
Product Information
The
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AXlink |
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| Device |
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| AXlink LED |
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| DIP switch |
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| Channel LEDs | ||
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GND | AXM AXP | PWR | OUT | OUT | GND | IN | IN | GND | OUT OUT GND IN | IN | GND | OUT | OUT | GND IN IN | GND |
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| AXlink |
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| VOL CHAN 3 |
| VOL CHAN 2 |
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Volume Channel
connector
AXlink connector
FIG. 1
Specifications
Three
Line operation: | Balanced or unbalanced |
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Audio ground: | Audio ground |
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Nominal input level: | |
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Max. input/output level: | +16 dBm. |
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Volume level resolution: | 128 volume level steps (+ .5 dB per step). |
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Attenuation: | 72 dB at full attenuation (mute). |
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Total Harmonic Distortion: | THD = <.008% |
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Frequency Response | 20 Hz to 20 kHz +/- 1 dB |
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Product Information
Front Panel Components:
AXlink LED | AXlink LED (green and blinks to indicate AXlink communication activity and |
| power: |
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| • One blink per second indicates power is active and AXlink communication is |
| functioning. |
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Device DIP Switch | An |
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Channel LEDs | Red channel LEDs 1 - 3. The LEDs individually light indicating a change in chan- |
| nel levels. |
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Rear Panel Components: |
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AXlink connector | |
| AXlink Central Controller. |
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Volume Channel | |
connectors | speed and level presets of up to 3 devices. |
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Enclosure | Metal with black matte finish |
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Dimensions (HWD) | 1.51" x 5.55" x 5.45" (3.84 cm x 14.10 cm x 13.84 cm) |
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Weight | 1.1 lb (0.499 kg) |
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AXlink Power | 12 VDC @ 230 mA |
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Installation
Installation
DIP Switch Settings
Use the device DIP switch to set the
Device DIP Switch Settings |
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Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Value | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 O 1 2 3 4 5 6 7 8 |
The device number takes effect only upon
Cards are 1 through 25.
Boxes are 96 through 127.
Panels are 128 through 255.
The
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.
Wiring Guidelines at 230 mA
Wire Size | Maximum Wiring Length |
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18 AWG | 510.31 feet (155.54 m) |
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20 AWG | 371.29 feet (113.17 m) |
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22 AWG | 201.29 feet (61.35 m) |
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24 AWG | 126.88 feet (38.67 m) |
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Installation
AXlink connector
Install the AXlink data/power bus wiring as shown in FIG. 2.
PWR |
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AXP |
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AXM |
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GND |
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| GND |
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FIG. 2 |
| AXlink data/power connections |
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Volume channels 1 - 3 connectors
Volume channels 1 - 3 can be wired for unbalanced or balanced line operation, as shown in FIG. 3.
Optional 600 ohm resistor can be added for impedance matching, if required
GND | Unbalanced IN | GND | Balanced | |
IN- | IN- | |||
Jumper INto GND | IN | |||
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IN+ |
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GND |
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OUT- | Unbalanced OUT | OUT- | ||
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OUT+ |
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FIG. 3 | Volume Channels 1 - 3 Connector wiring diagrams |
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Programming
Programming
The following sections list Axcess programming commands used with the
Channel Settings Commands
Use the
Channel | Description | Channel | Description |
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1 | Ramps channels 1 and 2 up. | 7 | Ramps channel 2 up. |
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2 | Ramps channels 1 and 2 down. | 8 | Ramps channel 2 down. |
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3 | Mutes channels 1 and 2. | 9 | Mutes channel 2. |
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4 | Ramps channel 1 up. | 10 | Ramps channel 3 up. |
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5 | Ramps channel 1 down. | 11 | Ramps channel 3 down. |
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6 | Mutes channel 1. | 12 | Mutes channel 3. |
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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
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Programming
Send_Commands
System Send_Commands are stored in the Axcess Control System.
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 |
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| Variables: |
| Output Channel = Channel numbers 1, 2 or 3. Output channel 0 = both channels 1 and 2. |
| Level = Level number |
| as mute) and 255 or 100% is maximum volume. |
| Time = Optional ramp time |
| 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. |
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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 |
| 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 |
| 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. |
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