4EVAC IMPACT User manual

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
SUMMARY
This document is the general reference manual for 4EVAC Impact voice evacuation system.
REVISION AND APPROVAL
Rev.%
Date%
Nature%of%Changes%
Approved%By%
03%
20-04-2020%
Parameters%update%
DD%
04%
08-06-2020%
Corrections%
TvdH%
05%
05-08-2021%
Additional%electrical%information%
DD%
06%
06-07-2022%
Update%on%AMP-LINK%DCA2500%
AJH%

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
Table of Contents
!General information ............................................................................................................................................................. 3!
!Controller ....................................................................................................................................................................... 3!
!DCA2.500 amplifier / charger .................................................................................................................................. 5!
!4E-SW6 zone expander with line monitoring .................................................................................................... 5!
!Expander – network port extender for L-Net devices ..................................................................................... 6!
!Examples of Impact system ....................................................................................................................................... 7!
!Where do I start? ................................................................................................................................................................... 8!
!Configuration settings ......................................................................................................................................................... 8!
!Impact system build ............................................................................................................................................................. 9!
!Rack frame ..................................................................................................................................................................... 9!
!DIN-rail enclosure for remote network devices ................................................................................................ 9!
!Additional electrical safety requirements for the housing ............................................................................ 11!
!Connections ................................................................................................................................................................. 11!
4.4.1.!Mains ................................................................................................................................................................ 12!
4.4.2.!Battery .............................................................................................................................................................. 12!
4.4.3.!Battery temperature probe ....................................................................................................................... 13!
4.4.4.!DC power output .......................................................................................................................................... 14!
4.4.5.!AMP LINK ........................................................................................................................................................ 14!
4.4.6.!Network ports ................................................................................................................................................ 16!
4.4.7.!L-Net (local network) ................................................................................................................................... 17!
4.4.8.!EVAC inputs .................................................................................................................................................... 17!
4.4.9.!Amplifier 100V outputs ............................................................................................................................... 18!
4.4.10.!Loudspeaker lines ................................................................................................................................ 19!
4.4.11. .......................................................................................................................................................................... 20!
!Connections and recommended cable types ............................................................................................................ 20!
!Maintenance information .................................................................................................................................................. 21!
!Additional RACK marking .................................................................................................................................................. 21!
!Typical Technical and Electrical specifications. .......................................................................................................... 23!

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
Thank you for choosing 4EVAC as your Voice Evacuation System solution.
4EVAC Impact is a 19” rack format, EN54-16 certified Voice Evacuation System, dedicated to medium to
large installations. The impact system is capable of both standalone and network operation, with a wide
selection of peripheral devices and remote extensions. The 4EVAC Impact is certified in accordance with
EN54-16 and EN54-4, which are harmonized standards under the Construction Products Regulation,
mandatory in the European Union.
The 4EVAC Impact system is fully compatible with the Compact 500 Voice Evacuation System. This means
both systems can be connected into one network, running the same protocol in peer-to-peer architecture,
operating within the same space of voice evacuation zones, sharing the same audio messages, BGM
broadcasts, microphone consoles, I/O extensions and cabling infrastructure.
General information
The Impact Voice evacuation rack system comprises of 3 base components:
- Controller (system control unit)
- DCA2.500 (power amplifier / charger)
- 4E-SW6 (zone expander unit)
and optional rack components (depending on design-specific configuration):
- Expander (network port extender for local network devices, such as peripheral microphone
stations)
- 4E-GPIO (input/output extender)
- Loopdrive LDB (short circuit isolator and loop surveillance control unit)
- 4E-FSC (optical fibre interface).
Controller
The 4EVAC Controller is the head unit of the 19” rack mounted Impact Voice Evacuation System. The
controller covers complete EN54-16 certified functionality, as well as a variety of features essential to Public
Address applications.
The 4EVAC Controller incorporates 16 monitored contact inputs, 8 GPO, 4 relay outputs, 2 analog audio
inputs and 2 outputs, as well as local network interfaces for a max. of 16 local peripheral devices (e.g. mic
consoles) and 2 global network ports for interconnecting multiple systems in a redundant ring topology.

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
The Controller is dedicated to working with 4EVAC DCA2.500 power amplifiers over the 4EVAC proprietary
AMP LINK protocol. The Controller can also be easily integrated with any third-party PA/VA power amplifier.

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
DCA2.500 amplifier / charger
4EVAC DCA2.500 is a 2x500W transformer-less (Direct-drive) 100V power amplifier with an integrated
power supply and 24V battery charger. Designed and certified in full compliance with EN54-4 and EN54-
16, DCA2.500 is an ideal component of any voice evacuation system or public address installation, where
high reliability and safety is required.
The primary application of the DCA2.500, using 4EVAC proprietary AMP LINK protocol, is to work as a
native component of the 4EVAC Impact voice evacuation system. However, thanks to the I/O interface and
built-in autonomous functions, the DCA2.500 can be easily integrated with any third-party PA/VA matrix
controller, adding a complete, EN54-4 certified power supply equipment, with a charging capacity of 100Ah.
DCA2.500 may also be used as a standalone power amplifier or battery charger, without any external
control devices.
4E-SW6 zone expander with line monitoring

Hacousto Holland bv
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2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
4E-SW6 is a DIN-rail mounted 100V audio matrix with 2 inputs and 6 outputs, dedicated to both 4EVAC
Compact and Impact systems. The 4E-SW6 has two 100V audio inputs (CHA, CHB) which connect directly
to amplifier outputs. The 4E-SW6 expands the number of independent loudspeaker lines with individual
surveillance and short-circuit isolation. Each loudspeaker line can handle up to a 500 W load and can be
assigned as a separate individual zone. One input can accept a maximum of 1000 W of power, which is also
the limit for the total load of all 6 output lines together.
4E-SW6 is responsible for:
- zone routing: switching outputs between amplifier input A / input B / internal surveillance bus;
- loudspeaker line monitoring: real-time impedance measurement at 20kHz with EOL.
- backup amplifier: amplifier surveillance and automatic switch over to backup amplifier.
4E-SW6 is controlled by the Impact Controller via L-Net, receiving real-time routing information for each
output line in order to connect to channel A, channel B or internal surveillance bus C.
Multiple 4E-SW6 modules can be fed in parallel by the same amplifier, splitting its power to more zone
outputs.
Expander – network port extender for L-Net devices
4EVAC Expander is an optional component of the 19” rack mounted Impact Voice Evacuation System. The
Controller-Expander is identical to the Impact Controller with significant hardware and functional
limitations.
The Controller Expander cannot not be used alone as a standalone VACIE (Voice alarm control and
indicating equipment), as it does not feature EN54-16 mandatory inputs / outputs. The Expander may be
used in the system only as an additional interface, connected to the main network of 4EVAC VACIE main
units.
Functionally, the 4EVAC Controller-Expander works as a network hub for additional L-Net devices, such as
microphone stations. In terms of interfacing, the Controller-Expander only features a DC power input and
network ports (Global Network and Local Network).

Hacousto Holland bv
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2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
Examples of Impact system
Example diagram of 12-zone basic Impact system
Example diagram of Impact system including optional components

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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
Where do I start?
First, make sure that you are officially allowed to access the hardware of Compact 500 & Impact system
devices.
This is usually the case if:
• you are an authorized representative of 4EVAC;
• you have been trained by 4EVAC or one of its authorized representatives for installation, service
and commissioning of Compact 500 & Impact Voice Evacuation Systems.
Unauthorized hardware and/or software modifications are against the law and outside of the
manufacturer’s responsibility. If you have doubts about your status and access level permissions, please
contact the 4EVAC main office.
Important note: Access level 3 explanation
Opening the device housing or tampering with network
cabling is restricted. This gives access to all interfaces, internal
system connections and sensitive hardware settings that are of
high importance to system operation mode, hardware reliability
and safety (Access Level 3 according to EN54-16, Annex A). This
access level (and higher) is strictly protected by the manufacturer
and reserved only for service personnel which is trained, approved
and officially certified by the manufacturer. Any actions carried out
in Access Level 3 without the manufacturer’s explicit approval may
lead to incorrect settings or hardware damage, causing serious
system malfunctions, and therefore are strictly prohibited and void
manufacturer’s warranty.
Configuration settings
Settings for the Impact system are included in the configuration file located on the micro SD memory card
installed in the Impact CONTROLLER unit. The configuration file includes user-defined settings, such as:
a) Definition of system components connected to one network,
b) Input / output surveillance settings,
c) Zone settings
d) Audio messages
e) Events, etc.
The configuration file should be prepared in the 4EVAC Manager. 4EVAC Manager is GUI software running
on Windows OS. All configuration settings are explained in the manual “4EVAC Manager guide”.
NOTE:
Please make sure that configuration file is prepared with the version of 4EVAC Manager
compatible with current firmware of your Impact system.
The installation file of the latest 4EVAC Manager and the manual are available at our
website HTTPS://www.4evac.com

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
Impact system build
Rack frame
In applications where compliance with EN54-16 is required, the
following system components must always be installed inside a
cabinet:
1. Controller,
2. DCA2.500 amplifier/charger,
3. SW6
The number of DCA2.500 amplifier/charger units in the Impact system
is variable, depending on the required output power capacity of the
system.
4EVAC Impact system rack may contain a maximum 16 of DCA2.500
amplifier/charger units.
Rack cabinet should meet the following minimum requirements:
• Floor-mounted 19-inch rack in upright direction;
• Main frame must be of sturdy steel construction;
• Grounding point for a protective earth wire connection;
• Side walls, top and rear door made of solid steel, with galvanic
connection to the main frame;
• IP30;
• Front door with solid transparent area (window), through which all indications are clearly visible
and identifiable;
• Front and rear door (as well as removable top / side panels) must be equipped with access
protection (e.g. key lock):
o Key to front door (access level 2) must be different from the key to back door (access level
3);
o Key to front door may be used to open only front door;
o Key to back door may be used to open both rear and front door;
o Both front and rear key must be removable to secure doors when locked.
• Opening for field wiring located on the top or bottom side;
• Reasonable clearance in front of the cabinet – front door must open freely;
• If multiple rack cabinets are used in the same location, they may be installed directly adjacent to
each other.
DIN-rail enclosure for remote network devices
4EVAC Impact is capable of working as a distributed VACIE, by means of:
- multiple Impact Controllers and/or Compact 500 (main units) interconnected via G-Net (global
network);
- L-Net devices connected to the main units via L-Net (local network).

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
DIN rail mounted L-Net devices, in order to provide sufficient access level protection and compliance with
requirements of EN54-16, are required to be housed:
a) inside the system rack (central location), according to specifications requirement in chapter “Rack
frame”;
b) inside additional enclosure, external to the system rack (remote location).
This requirement applies to:
- 4E-FSC (multimode optical fiber interface)
- 4E-GPIO (input/output expander)
- 4E-SW6 (6-channel switching zone expander with EOL
surveillance)
The external enclosure must meet the following minimum requirements
in order to secure proper system operation and maintain compliance
with EN54-16:
- The enclosure must be of sturdy steel construction;
- The enclosure must provide means of fixing it to the base
structure e.g. mounting holes for wall plugs, anchors or bolts.
- The enclosure must be fixed to a firm base structure, preferably
directly to the construction of the building, e.g. a concrete wall
or ceiling, steel frame or pillar or other solid structures like steel
cable trays or roof supporting framework;
- Top, side, and rear walls made of solid steel;
o Optionally, front wall / door may be provided with a
viewing window made of solid glass or acrylic /
polycarbonate;
- DIN rail firmly fixed to the inside of the enclosure, providing
sufficient space for DIN rail mounted devices;
- IP30;
- All doors must be able to be closed and equipped with access
protection for access level 3 (e.g. key lock or special tool):
o If a key is used, it must be removable to secure doors
when locked.
- Opening for field wiring, equipped with cable glands;
- If multiple enclosures are used in the same location, they may
be installed directly adjacent to each other.
Recommended products meeting the requirements for external
enclosure:
- Rittal Terminal Box KL series, model KL 1537.510
- Rittal Small enclosure KX / Bus enclosure KX, model KX 1612.000
or equivalent.
Examples of external enclosure
suitable for DIN-rail mounted
system devices in remote
locations.

Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
Additional electrical safety requirements for the housing
- The system housing must be equipped with at least one protective earth terminal with a permanent
way of fixing, such as nut or bolt.
- All conductive parts of the rack housing must have direct electrical contact with the protective
earth terminal;
- Protective earth (PE) terminal must be permanently connected to the building’s protective earth
potential by means of a PE lead with cross-section of at least 10mm2 .
Connections

Hacousto Holland bv
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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
4.4.1. Mains
Connect the mains power to the MAINS input of each DCA2.500 amplifier/charger. Keep the right polarity
and connect the protective earth wire to the ground terminal.
• Mains connection must be connected in a permanent way to the mains network of the building;
• The external circuit feeding mains input of the Impact system must be equipped with an automatic
overload protection and automatic earth-leakage protection.
• Mains circuit must include main rack circuit breaker of following rating:
o No of DCA2.500 <10: 40A
o No of DCA2.500 >10: 63A
Mains circuit breaker must be located in the circuit at the rack entry, before splitting to the
DCA2.500 units;
Recommended mains circuit breaker type: ABB SD 202/63 or equivalent.
Caution! Be careful! Risk of electrical shock! Make
sure that the mains cable is not connected to the
electricity network during equipment installation.
4.4.2. Battery
Use only valve-regulated, sealed lead-acid maintenance-free batteries for stationary use. The Impact system
is designed to operate with 24V battery (2 x 12V DC nominal voltage).
To safely and properly install the battery circuit, follow the instructions below:
1. Before installing the battery, measure the voltage of each battery separately. The open-circuit
voltage of a well-functioning, healthy 12V battery should be in the 11,5 V – 13,5 V DC range. If the
open-circuit battery voltage is out of this range, replace the battery. Always use pairs of batteries
with the same open-circuit voltage (as close as possible).
2. Adjust the battery position in the rack to make enough room for safe installation (preferably
bottom of the cabinet).
3. The DCA2.500 is equipped with internal battery fuses. However, for extra safety and convenience,
it is recommended to use an additional removable battery fuse for each DCA2.500 amplifier (40A,
slow).
4. Caution! Be careful! The negative pole of the battery connector is connected directly to the ground
potential and the entire metal housing of the Compact 500. Dropping an unprotected battery lead
on any part of the hardware, housing or battery brings a high risk of short-circuit and may damage
the hardware and the battery. The high electrical current from the battery when short-circuiting
may cause a rapid battery discharge and instant heat production. This may also destroy hardware
components, cause serious battery capacity degradation or battery damage, cause fire and may
be a potential risk to your health.

Hacousto Holland bv
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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
5. Maximum battery capacity of single DCA2.500 is 100Ah.
4.4.3. Battery temperature probe
Connect the NTC thermal probe (included with DCA2.500) to the “Battery probe” input of the DCA2.500.
Place the probe directly on the battery housing, preferably inside the protective cap on one of the battery
terminals.

Hacousto Holland bv
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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
4.4.4. DC power output
The Impact Controller (including all devices powered by the controller via network ports) is powered only
via DC power input from DCA2.500 DC output.
AUX DC OUT has a built-in current limit, maximum load is 60W (2A @30V).
Connect “AUX DC OUT” of the DCA2.500 to the “24V DC POWER” input of the Controller.
Check the polarity!
4.4.5. AMP LINK
Connect the AMP LINK between the Controller and DCA2.500 amplifiers.
The AMP LINK (RED vertical connection cat5 cable) is the secured bus
connecting the Impact Controller with up to 32 x DCA2.500 amplifiers.
Based on RS485, this internal system bus provides:
- 2 balanced audio channels across the entire AMP LINK chain,
monitored;
- Control and diagnostics data interface.
AMP LINK provides daisy-chain bus in two modes:
a) To the IMPACT Controller, when the DCA2.500 is a part of the
IMPACT system (all Impact amplifiers daisy-chained to the
Controller).
b) To other DCA2.500 amplifiers, without an Impact Controller, when
the DCA2.500 belongs (with one or more other DCA2.500 units)
to a
charging cluster
and shares the same battery pack (see chapter “Cluster charging”) with the
group: in this case the amplifier and the entire charging cluster is able to work without IMPACT
Controller
NOTE:
The DCA2.500 can also work as a standalone unit without any AMP LINK connected.
NOTE: On customers request, DCA2.500 amplifier can be equipped with optional DUAL AUX input module.
More information about DUAL AUX input module available at 4EVAC on request.
In an Impact system, connect the amplifiers to the AMP LINK into a daisy chain, starting from the Controller.
Amplifiers will be addressed and managed by the Controller according to the connection order, i.e. the first
amplifier connected directly to the Controller receives the address of Amp 1, next the address of Amp 2,
etc.

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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
Use a straight twisted pair CAT5 (or higher) cable with RJ45 plugs (included with DCA 2.500 amplifier). Any
standard Ethernet patch cable may be used.
NOTE: Mind the connection order of the DCA2.500 amplifiers on the AMP LINK! The connection order
determines the local AMP LINK address of the amplifier, according to software configuration settings for
Impact amplifiers. Settings and commands will be applied by the controller according to that addressing.
Use a straight twisted pair CAT5 (or higher) cable with RJ45 plugs (included with DCA 2.500 amplifier). Any
standard Ethernet patch cable may be used.
NOTE:
The AMP LINK is a monitored main system bus providing audio and surveillance data.
The AMP LINK
does not support redundancy
and therefore, in EN54 compliant applications, the AMP LINK cable must be
located entirely inside the system cabinet. No part of it may be exposed to external access.

Hacousto Holland bv
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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
4.4.6. Network ports
The Impact controller offers 5 ports (RJ-45) for network connections between distributed parts of the 4EVAC
Voice Evacuation System:
• 2 x G-Net ports (global network)
• 3 x L-Net ports (local network)
The 4EVAC network features a full duplex RS-422 data link and DC power to remote devices.
NOTE: 4EVAC network is not Ethernet!
If you are building a distributed system using a 4EVAC network, you should make physical links between
devices using the correct type of cables. The cabling should meet following requirements:
1. Crossover twisted-pair cable (compatible with Ethernet crossover)
2. CAT5e or higher for a maximum distance of 250m.
3. Non-CAT / lower than CAT5e: 250m not guaranteed.
4. Shield required (at least FTP) for L-Net
Caution! Use only crossover cables and keep the correct pinout! Connecting power pins to data pins will
damage the network port.
pin number pin number
GND shield shield GND
RX+ 1 1 RX+
RX- 2 2 RX-
TX+ 3 3 TX+
power + 4 4 power +
power - 5 5 power -
TX- 6 6 TX-
power + 7 7 power +
power - 8 8 power -
pin number pin number
GND shield shield GND
RX+ 1 1 RX+
RX- 2 2 RX-
TX+ 3 3 TX+
power + 4 4 power +
power - 5 5 power -
TX- 6 6 TX-
power + 7 7 power +
power - 8 8 power -
xover type A cable
xover type B cable

Hacousto Holland bv
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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
4.4.6.1. G-Net (global network)
G-Net is a redundant network ring where multiple Controllers may be connected into one system. It is used
to reliably synchronize data between all connected devices and for multi-channel live audio transmission
with very low latency. The G-Net works as a redundant double ring between Controllers, which keeps the
global system intact in case of single link failure.
4.4.7. L-Net (local network)
L-Net daisy-chain topology is dedicated to peripheral devices of the Controller, such as remote microphone
stations. The L-Net is used to expand functionality of the Impact system to remote locations.
Maximum capacity of L-Net is:
- Max. 500mA DC continuous power per port
- Max. 8 L-Net devices per port
- Max. 16 L-Net devices per Controller
4.4.8. EVAC inputs
There are 18 monitored inputs dedicated to triggering signals for evacuation, silence, reset instructions and
other events from an external fire detection system or another trigger source.
Each of these inputs has built-in DC monitoring which requires two series resistors of 4.7kΩ + 10kΩ in order
to detect an input active/inactive state as well as short and open faults. The EOL resistors must be located

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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
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directly at the triggering output inside of the external device (i.e. fire detection system) to provide reliable
surveillance of the entire link.
EVAC inputs must receive an activation signal of at least 100ms in order to trigger events. Pulses shorter
than 100ms will be ignored.
4.4.9. Amplifier 100V outputs
Connect 100V outputs of the power amplifier to inputs “chA / chB” of 4E-SW6.
In order to connect multiple 4E-SW6 to the same amplifier, use the parallel 100V connection port “next
SW6” on the 4E-SW6.
More information on different connection modes can be found in the 4E-SW6 manual.

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IMPACT reference system manual (Typical )
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Design revision:
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4.4.10. Loudspeaker lines
4EVAC Impact supports surveillance of loudspeaker lines based on 20 kHz impedance measurements.
For reliable impedance monitoring of the loudspeaker line, an EOL board must be used. Connect the EOL
board to the end of the loudspeaker line in parallel, preferably inside the last loudspeaker on the line. The
EOL is not polarity-sensitive.
NOTE: EOL boards are not supplied with the Impact and are available at 4EVAC as separate products.
Loudspeaker line with EOL module
The purpose of the EOL board is to create a reference load at the monitoring frequency of 20kHz. With the
EOL connected, the monitoring of load impedance is more accurate and less sensitive to slow and long-
term impedance drift of the loudspeakers due to aging and weather conditions. It also gives a more reliable
fault indication when a significant number of loudspeakers is placed on one long line.

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IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
4.4.11.
Connections and recommended cable types
How
many
Connector
type
Signal type
Additional
information
Recommended cable
(minimum)
Max. length
Analog audio in
2
pluggable
screw
terminal
block
3.5 mm
Analog
balanced
mono audio,
0dBu
n/a
Balanced shielded
microphone cable, typ. 2 x
0.25mm2
100m
EVAC in
16
Pull-down
input with fault
detection
(open/short)
EOL resistors
10kΩ + 4.7kΩ
in series
Depends on length, typ.
N x 0.75~1.5mm2 (N –
number of individual
triggering signals from / to
fire detection system)
1000m
EVAC / FAULT/
RESET out
3
Potential-free
relay output
n/a
1000m
GPO
8
Open collector
output
n/a
Depends on length, typ.
N x 0.75~1.5mm2 (N –
number of individual
triggering signals to external
devices)
1000m
AMP LINK port
1
RJ-45
Line level
analog audio +
RS485 data
UTP CAT5e
10m
G-Net port
2
Full duplex RS-
422
Redundant ring
with power
delivery
FTP CAT5e crossover
250m
(to next
device)
L-Net port
3
Daisy chain
with power
delivery
250m
(total length)