instruction manual AXB-VOL3 Three-Channel Volume 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.
Table of Contents Table of Contents Product Information .................................................................................................1 Specifications .................................................................................................................... 1 Installation .................................................................................................................3 DIP Switch Settings..........................................................................
Table of Contents ii AXB-VOL3 Three-Channel Volume Control
Product Information Product Information The AXB-VOL3 Three-Channel Volume Control provides three audio volume control channels. Each line-level channel, opto-isolated from system ground, can be configured for balanced or unbalanced line operation. The AXB-VOL3 is programmable for 128 steps of audio level, audio mute, variable ramp speed and level presets. The AXB-VOL3 connects to Axcess control systems using the 4-wire AXlink data/power bus; it can be used for remote or rack mount applications.
Product Information AXB-VOL3 Specifications (Cont.) Front Panel Components: AXlink LED AXlink LED (green and blinks to indicate AXlink communication 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.
Installation Installation DIP Switch Settings Use the device DIP switch to set the AXB-VOL3 AXlink device number. You can set it as one of 255 devices in an Axcess control system. Set the device number with the total of all ON (down) switches. As an example, the DIP switch below defines Device 128. Device DIP Switch Settings Position 1 2 3 4 5 6 7 8 Value 1 2 4 8 16 32 64 128 O N12345678 The device number takes effect only upon power-up.
Installation AXlink connector Install the AXlink data/power bus wiring as shown in FIG. 2. PWR PWR AXP AXP AXM AXM GND Control system GND AXB-VOL3 FIG. 2 AXlink data/power connections Volume channels 1 - 3 connectors Volume channels 1 - 3 can be wired for unbalanced or balanced line operation, as shown in FIG. 3.
Programming 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.. AXB-VOL3 Channel Setting Commands Channel Description 1 Channel Description 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.
Programming Send_Commands System Send_Commands are stored in the Axcess Control System. AXB-VOL3 Send_Commands 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
Programming AXB-VOL3 Send_Commands (Cont.) PP Syntax: SEND_COMMAND VOL, ’P = P’ 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.
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