Descriptions:
VA-6100MS changeover is an integrated controller supporting main and backup amplifier switching, speaker circuit grounding detection, open circuit and short circuit detection; compatible with 3/4 wired volume controller wiring, no need extra wiring or power supply; combining 8 programmable dry contact or wet contact trigger inputs and 8 programmable on-line output signal. It works with class D amplifiers, traditional amplifiers to provide a safe, affordable solution to the PA & Voice Alarm system.
Features:
* 2U cabinet design, high integrated, and modularized design.
* Support speaker circuit grounding, open circuit and short circuit detection.
* Support 3/4 wired speaker loop wiring.
* 8 programmable trigger input interfaces.
* 8 programmable trigger output interfaces.
* Support power amplifier enter power saving mode to save energy when no signal input.
* Support the connection with linkage fire alarm controller to realize fire alarm linkage control.
Specifications:
AC power supply |
Voltage | AC 220V±20% 50-60Hz |
Maximum current | <0.5A |
Fuse | 250V/1A,slow |
DC power supply |
Voltage | DC24V, 18-31V adaptive |
Maximum current | <5A |
Maximum power consumption | 120W |
Performance Index |
Number of output partitions | Up to 8 |
The output voltage | 100V |
Output type | Bridge-tied output without transformer boost |
Output Power | 500W (maximum output of a single partition) |
Maximum output power | 8×500W |
Override type | 3-wire and 4-wire |
4-wire override output voltage | 24V |
Power amplifier status detection time | < 0.5S |
Partition Detection Status | Short circuit, open circuit, short circuit to ground |
Partition detection time | < 0.5S |
Contact output |
8 channels programmable relay output | Short circuit, no voltage |
8 channels programmable trigger input | Short-circuit input, short-circuit input with detection, voltage input |
Short circuit mode | 3.3V voltage, short-contact trigger, no linkage line monitoring function |
Short mode with detection | 3.3V voltage, short-contact trigger, support linkage line fault alarm |
Voltage mode | 18-31V voltage input, voltage trigger, support linkage line fault alarm |
Cooling method | Air-Cooled |
Protection method | Delay/Overheat/Short Circuit/Over Load |