VOICE ALARM SYSTEM
Multichannel Switching VACIE
IMPACT
Tutorial and Technical Specifications
IMPACT system basic features complying to EN54-16:
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Main features:
• Power amplifier, 2 x 500 W
• Back-up amplifier included
• Battery charger for 30 min full-load and 24 hours standby
• 12-loudspeaker lines / zones with EOL using 4E-SW6
• Simultaneous Paging & BGM or EVAC & ALERT into all-zones
• Phased evacuation into all-zones
• Multiple message player
• 32 x GPIO for fire-panel triggering
• Local aux/music entry on amplifier for commercial use into all-zones.
IMPACT hardware used:
• 1 x CONTROLLER
• 1 x DCA2.500
• 2 x 4E-SW6
• 1 x 4E-FMTC (optional Wallbox Fireman microphone)
• 12 x EOL module
• 2 x 12 VDC/38 AH batteries
Standalone system (single controller)
Number of zones max. 96 local zones
Maximum total output power 16000 W
Dedicated power amplifiers DCA2.500 2 x 500 W, max. 32 x 500W (max. 16 x DCA2.500)
Standby power amplifiers 500W per backup channel (configurable from 0 to 16 backup channels)
Loudspeaker line monitoring
SW6 20kHz AC monitoring with EOL module, short/open/impedance deviation
LOOPDRIVE loop DC monitoring with short-circuit isolators, short/open/earth leakage, EN54-17
certified
Voice messages
Storage max. 22 audio files x 5 minute each, micro-SD card with content monitoring
Message player Max. 2 simultaneous local message playback, priority control
Controls and indications
General controls / indications Lamp test button, silence button, power, evac, general fault LED indicators
Fault indications Power supply, system fault, network
Evac manual control EVAC message, ALERT message, SILENCE, RESET
Power supply PSE integrated within DCA2.500 (EN 54-4 certified)
DC supply input 24 – 30V DC (from DCA2.500)
Power consumption 140 mA @24V DC
Inputs
2 x BGM 2 x balanced analogue audio mono input, 0dBu, input impedance 15kΩ
16x EVAC in monitored analogue inputs, 4.7kΩ +10kΩ EOL resistors
Outputs
EVAC out, FAULT out, RESET out Potential-free relay output (configurable NO/NC) max. 1A
GPO 8 x Open collector output (configurable NO/NC) max. 24V / 110mA
Amplifiers (on AMP-LINK bus)
Type DCA2.500 Class D, transformer-less, direct output
PSE integrated power supply equipment, EN54-4 certified
DC output 2A auxiliary purpose DC output
Charger 4A charger output, max. 100Ah (>80% in 24h according to EN54-4)
Protection over load shutdown, over temperature shutdown
Backup amplifiers auto backup at end stage failure, auto restore
Efficiency 96% @ rated power (DC-powered)
Output voltage max. 100V RMS
Rated power 500W per channel
Bandwidth 50 Hz – 20 kHz
SNR >80 dB
THD + N <0.1% @ rated power
Audio
Frequency response
Local BGM 50 Hz – 20 kHz (AMP-LINK) uncompressed
Messages, network streaming 100 Hz – 12 kHz (G-NET) compressed
Analog input- output latency < 10 ms (stand-alone system)
Network audio stream format 24 kHz sampling, ADPCM compressed
Message file input format 16 bit WAV, max. 5 minutes
DSP features HP/LP filter, multipoint parametric EQ, input / output level
No. of output audio channels (AMP-LINK) 2
Mechanical
Dimensions (HxWxD) 4.4 x 44 x 34 cm (1U)
Weight 4 kg
Housing material Steel
IP rating IP 30
Mounting 19” rack mounting
Operating conditions
Temperature -5 ~ 40°C
Relative humidity max. 90% (non condensing)
Storage temperature -40 ~ 70°C
Network system
Max. number of devices in the network 254
Max. number of zones 254
Max. number of loudspeaker lines 1434
Max. total system output power 119.5 kW
Number of simultaneous network audio channels 2
Network audio transmission latency 0.3 ms per device
Local network
Architecture Master-slave, up to 16 slave devices per Controller
Connection 3 x L-Net port, RJ-45, powered daisy chain, digital audio & control data
Cabling X-over FTP CAT5e (or higher)
Current consumption max. 500 mA per L-Net port
Max. length of local link (node-to-node)
default 250 m
with twisted-pair extenders 500 m
with MM fiber extenders 2500 m
Global network
Architecture Peer-to-peer, up to 254 Controllers
Connection 2 x G-Net port, RJ-45, powered redundant ring, digital audio & control data
Cabling X-over FTP CAT5e (or higher) / multimode optical fiber
Current consumption max. 500 mA per port, reserved only for network extenders
Max. distance between devices
default 250 m
with twisted-pair extender 500 m
with MM fiber extenders 2500 m