GRAF & MEYER EVA 16 M User manual

EVA 16 M/S and EVA Line Rev. 4.33d -E- - english, Page 1 - GRÄF & ME ER 12/2012
DSP-powered Voice Alarm System
GRÄF & MEYER
System family
EVA 16 M/S
EVA 16 M
EVA 16 S
EVA Line
Manual
english
Rev. 4.33d -E- 121214
Dec. 2012

EVA 16 M/S and EVA Line Rev. 4.33d -E- - english, Page 2 - GRÄF & ME ER 12/2012
0. D OCUMENT OF CERTIFICATION

EVA 16 M/S and EVA Line Rev. 4.33d -E- - english, Page 3 - GRÄF & ME ER 12/2012
Contents
0. Document of certification.............................................................................................. 2
1. Introduction: System Family.......................................................................................... 5
1.1 Common description EVA 16 M/S / EVALINE............................................................. 5
1.1.1 Main Features EVA 16 M/S........................................................................................... 6
1.1.2 Main Features EVA LINE.............................................................................................. 7
2. Description .................................................................................................................... 8
2.1 Features EVA 16 M/S:.................................................................................................. 8
2.1.1 Frontview EVA 16 M/S (identical for master- and slave- version) ............................. 8
2.1.2 Frontview EVALINE................................................................................................... 10
2.1.3 PowerUp / Language Selection / Factory Reset........................................................ 12
2.1.4 Adjusting the Level of an Available Input Source :..................................................... 13
2.1.5 Rearview EVA 16 M/S ( identically for master- and slave- version )........................ 14
2.1.6 Rearview EVA LINE.................................................................................................. 18
2.2 Smallest possible system configuration...................................................................... 20
2.3 The MP3-Memory Card ( EVA 16 M respective EVA 16 S only )........................ 21
2.4 Priority – Administration ( EVA 16 M respective EVA 16 S only )..................... 22
3. External components :................................................................................................. 23
3.1 Standard – microphone-desks : ( EVA 16 M respective EVA 16 S only )................. 23
3.1.1 EVA 16 SYS 80 ( EVA 16 M respective EVA 16 S only )........................................ 24
3.1.2 EVA 16 TER ( EVA 16 M respective EVA 16 S only )................................. 26
3.1.3 EVA 16 SYS 4W ( EVA 16 M respective EVA 16 S only ).............. 30
3.1.4 EVA 16 SYS 2 - EVA 16 SYS 4+1 ( EVA 16 M respective EVA 16 S only )... 31
3.2 Fire - Mics :................................................................................................................. 32
3.2.1 EVA 16 SYS FT ( EVA 16 M respective EVA 16 S only )............................ 32
3.2.2 EVA 16 SYS FH ( EVA 16 M respective EVA 16 S only )...................................... 33
3.2.3 EVA 16 FIRE PANEL............................................................................................... 34
3.3 I/O-Port (extern).......................................................................................................... 37
3.4 Connecting the Alarmcontacts..................................................................................... 39
3.5 external relay board EVA 16 REL............................................................................. 41
3.5.1 Common description: Relayboard EVA REL ............................................................. 42
3.5.2 Description :................................................................................................................ 42
3.5.3 Decoder „Bus-Function“ .......................................................................................... 44
3.5.4 Decoder „Global-Function“....................................................................................... 45
3.5.5 Decoder „Contact-Function“...................................................................................... 45
3.5.6 Four relay blocks : ..................................................................................................... 46
3.5.7 Powersupply for relay blocks ...................................................................................... 46

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3.5.8 Connecting Data Bus................................................................................................... 46
3.5.3 Technical Data :.......................................................................................................... 47
4.0 Operation..................................................................................................................... 49
4.1 Start-up :..................................................................................................................... 49
4.1.0 PowerUp / Language Selection / Factory Reset........................................................ 49
4.1.1 Start of the installation-run ......................................................................................... 50
4.1.2 displaying the identified components.......................................................................... 51
4.2 Music: Level and Routing of enabled sources............................................................. 55
4.3 Error – messages at the System EVA16 : ................................................................... 56
5. Programming............................................................................................................... 62
5.1 Level and routing / disabling and enabling of audio-sources :................................. 62
5.2 relay programming :.................................................................................................... 64
5.3 Special functions: ........................................................................................................ 64
5.4 ALARM-START............................................................................................................ 65
5.5 ALARM-CODE-Page ( additional only on slave-units ! ).......................................... 66
5.6 impedance tolerance : ................................................................................................. 66
5.7 Level of pilot signal :................................................................................................... 67
5.8 Measurement ( MESSUNG ) : ..................................................................................... 67
5.9 POWER – ON – RESET : ........................................................................................... 68
6. Connecting a PC.......................................................................................................... 69
6.1 Using WINDOWS XP © Hyperterminal..................................................................... 69
6.2 Download and Upload of parameters using EVAMON............................................ 75
7. Appendix :.................................................................................................................... 76
7.1 System setups ( examples )........................................................................................... 76
7.2 Planning a system / Help............................................................................................. 80
7.3 Tips for planning and installation :............................................................................. 84
7.4 Technical Data ............................................................................................................ 85

EVA 16 M/S and EVA Line Rev. 4.33d -E- - english, Page 5 - GRÄF & ME ER 12/2012
1. I NTRODUCTION : S YSTEM F AMILY
EVA 16 M/S, EVA16 S and EVALINE are part of a complete range of
products to set up Public Address and Voice Alarm Systems compliant with the
actual standards and regulations DIN/EN 60849 respective DIN EN 54-16
In this product range you will find central controllers like EVA 16, the amplifier
and zone extension module EVALINE , the emergency power supply unit EVA
24/54, the amplifiers of the SINUS-series or the firemen microphone- terminals
EVA 16 SYS FT, EVA 16 SYS FH and EVA 16 FirePanel.
1.1 C OMMON DESCRIPTION EVA 16 M/S / EVALINE
The system EVA 16 originally was developed to set up public address and
Voice Alarm System to be in accordance with DIN/EN60849 (VDE 0828).
The central unit EVA 16 M/S manages the distribution of live spoken
announcements, memorized emergency and evacuation calls, chimes or
background music; it organizes all requested supervision functions; the effects of
detected problems will be minimized.
In minimum setup the system works with one standard amplifier and one spare
amp; there can be handled up to eight complete speaker lines, wired as 8
complete A/B- zones.
In case of more zones required, up to 9 more units EVA 16 S resp. EVA Line
can be tied together to a centralized or decentralized system.
Announcements or signal tones are stored in MP3-format on a SD memory card.
The functionality of the audio memory is permanently supervised. Content may
be changed by a trained installation company ( CAUTION: the memory card is
located inside the unit; the central unit has to be opened ).
In order to submit the connection of all components and all functions in an electro
installation box, there is an optional external I/O-Board, connected via Standard
Dsub-25pin-cable to the central unit EVA 16 M/S . In addition, there were dry
relay contacts like “general fault“ and “obligation-call“.
EVALINE permanently monitors connected amplifiers and speakerlines. In
association with EVA 16 systems you can extend the number of monitored
speaker lines. Prerecorded announcements may be triggered or live
announcements may be performed form terminals EVA 16 TER, EVA 16 SYS
80 or EVA 16 FirePanel in combination with optional temporary zone mute by
relays.
EVA 16 M/S respective EVALINE identify all the connected components by
an automatic Installation run. All the component-names were shown in the
display. After the end of the installation run, the system checks permanently the
proper function of all identified components.
Any fault generates a corresponding system reaction and/or a notice.
The use of actual DSP-technologies allows future upgrades.
Possible applications were found at schools, shops, factories, administration
buildings and hotels.

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1.1.1 M AIN F EATURES EVA 16 M/S
Supervision of up to eight (8) power-amps (100V), connected via four (4) trans-
former-balanced outputs with separate volume and tone control ( treble and bass ).
Supervision of a 100V-spare-amp: connected via transformer -balanced output.
Supervision of up to 8 speaker-zones, consequently wired as A/B-lines, so there are
16 measurement-zones. Supervision of every connected zone to broken line,
impedance change, short line and ground fault. A detected short-line causes the
separation of the corresponding speaker line.
Connection-point for two (2) fire-mics on the rear of the central unit, but also one (1)
on the front panel ( handheld mic ). Coils and request-lines were supervised to
broken line and short line
Connection-points for up to eight (8) supervides system-mics:
EVA16 TER (supervised) with special function buttons
EVA 16 SYS 80 (supervised) and/or
EVA 16 SYS 4, EVA 16 SYS 2, ( not supervised, as many as desired )
Up to 80 call-zones; programmable pre-announcement chime.
Optional switching ON/OFF the complete music section by EVA16 SYS 80 or
EVA16 TER ( depending on configuration. )
Two (2) contact inputs to activate the AUX-Audio-inputs ( for commercials f.e. ) ;
free routing and level configuration for each audio output.
Four (4) music inputs with full audio matrix-function; free routing and level
configuration for each audio output.
Four (4) prerecorded alarm-messages ( evacuation message f.e.) selectable
triggering by external supervised contact closure; full audio matrix-function with free
routing and level configuration for each audio output; additional covered start-button
for ALARM1 at the frontpanel of the system. Two (2) stored text-messages (
“closing the shop“/ “end of opening time” f.e. ) selectable triggering by external
contact closure; full audio matrix-function with free routing and level configuration for
each audio output; ( for example: timer-controlled...)
External triggerable chime with full audio matrix-function; free routing and level
configuration for each audio output;
Messages and audio signals stored on SD/MMC-flashcard as MP3-files; internal
player permanently supervised.
Easy system configuration by buttons and LC-display on the front of the unit;
PC-interface port provided, PC not required for system-setup, but suggested.
Fault detection relay for general fault or power failure.
Obligation relay to bypass external speaker-level-control (on optional I/O-Board)
Automatic program-mute and audio low cut in case of 24V-operation
Up to 10 units stackable ( master/slave - procedure)

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1.1.2 M AIN F EATURES EVA LINE
Two (2) audio inputs/outputs for passing through the audio signal.
Supervision of up to eight (8) power-amps (100V), connected via two (2) trans-
former-balanced outputs
When using in combination with a system EVA 16 M/S , one or two of the EVA 16
audio outputs will be connected to the audio inputs of the EVA Line.
Then it can be configured weather this connections are monitored or not.
In addition the control bus “CASCADE“ hast to be connected .
( When using together with a GRÄF&MEYER - GREE MATRIX system, the audio
connections have to be established in the same way but no control bus connection
can be made; the firmware of a GREEMATRIX-BasicUnit has to be a special
revision.) At EVALINE it can be configured weather it is connected to an EVA 16 or
GREEMATRIX .
EVALINE works with any preamplifier; if the preamp does not fit the 22kHz – pilot
signal with 100 mVpp level to its audio outputs, it is necessary to switch off the
monitoring of this connection.
supervision of a 100V-spare-amp: connected via transformer -balanced output.
Supervision of up to 8 speaker-zones, consequently wired as A/B-lines, so there are
16 measurement-zones. Supervision of every connected zone to broken line,
impedance change, short line and ground fault. A detected short-line causes the
separation of the corresponding speaker line.
Up to 80 call-zones when using EVA 16 M and EVA16 SYS 80 or EVA16 TER (
depending on configuration. )
Easy system configuration by buttons and LC-display on the front of the unit;
PC-interface port provided, PC not required for system-setup, but suggested
Fault detection relay for general fault or power failure.

EVA 16 M/S and EVA Line Rev. 4.33d -E- - english, Page 8 - GRÄF & ME ER 12/2012
2. D ESCRIPTION
2.1 F EATURES EVA 16 M/S:
2 .1.1 F RONTVIEW EVA 16 M/S ( IDENTICAL FOR MASTER - AND SLAVE - VERSION )
8 button [ - ]
7 button [ + ]
6 button [VOL]
5 button [PROG]
9
LC-display
2 x 20 characters
14 firemic
handheld (optional )
13 locked connector for
handheld firemic
12 covered switch
„ALARM 1“
4 button [ 4 ]
3 button [ 3 ]
2 button [ 2 ]
1 button [ 1 ]
10 POWER - LED green
11 ERROR - LED orange

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1: button [ T1 ]
2: button [ T2 ]
3: button [ T3 ]
4: button [ T4 ]
5: PROGRAMM- button [ PRG ]
6 VOLUME- button [ VOL ]
7: + button [ + ] increase
8: - button [ - ] decrease
9: LC-display , 2 x 20 character
10: POWER - LED
Indicates the presence of the 230V – line voltage
11: ERROR – LED
Indicates an actual fault;
on system POWER-ON: some seconds blinking for system check
12: ALARM 1 ( covered switch )
13: lockable connector for handheld firemic
Only one firemic at a time allowed for the connector on the front panel, the firemic1
connectors on the back panel or the firemic1 port on the I/O extension card (
including EVA 16 FP FirePanel )
14: handheld firemic

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2.1.2 F RONTVIEW EVALINE
4 button [ PRG ]
7 LC
-
display
2 x 20 characters
3 button [ 3 ]
2 button [ 2 ]
1 button [ 1 ]
5 POWER
-
L
ED
green
6 ERROR - LED
orange

EVA 16 M/S and EVA Line Rev. 4.33d -E- - english, Page 11 - GRÄF & ME ER 12/2012
1: button [ T1 ]
2: button [ T2 ]
3: button [ T3 ]
4: PROGRAMMING – button [ PRG ]
5: POWER – LED, green
Indicating the presence of 230V – mains supply
6: ERROR – LED, orange
Indicating an actual present error;
on POWER UP LED is blinking for a short time.
7: LC-Display , 2 x 20 characters

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2.1.3 P OWER U P / L ANGUAGE S ELECTION / F ACTORY R ESET
After connecting to the power / turning on the unit, system comes up as follows
language stands for the selected
language of the user interface /
menues
V n.n is the installed firmware
... and 2 seconds later
dd.mm.yy : date of release of the
installed firmware
… and within another 2 seconds :
for EVA 16
resp. for EVA Line
normal view
Language :
Selection of the language by pushing and holding one of the buttons on front
plate during powerup :
[ T1 ] for GERMAN
[ T2 ] for ENGLISH resp..
[ T3 ] for FRENCH.
The system automatically saves the selected language for next system start –
even through a FACTORY – RESET !
Factory default is GERMAN
Similar for microphone terminal EVA 16 TER and EVA 16 SYS 80
Factory Reset :
Resetting the units parameters to the factory default settings occours by pushing
and holding the buttons [ PRG ] und [ T3 ] during powerup
Only the language selection will not be affected from this factory reset.
language V n.n
ZONE 1: MUSIC 1
SYSTEM_OK EVA16M
EVALINE
SYSTEM: OK
V n.n dd.mm.yy

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2.1.4 A DJUSTING THE L EVEL OF AN A VAILABLE I NPUT S OURCE :
Adjusting a level :
Starting with this standard display view :
The zone to be edited will be selected by pressing one of the buttons
[ T1 ] ...[ T4 ]. The zone names may be configured. ( ref 6.1 )
Selecting the active source :
Every further pressing of the same button leads on to the next available ( not
blocked ) source to be routed to the actual output zone.
One or more music sources may be blocked.
Example.: music 1 / music 4 / => and back again to music 1; the two other inputs are
blocked and may not be selected for the playout to the actual output zone.
Selecting the source to be edited :
By the first pressing of the button [ VOL ] the display shows the level-menue:
ATTENTION: the source to be edited not mandatory is the source displayed
in the upper line of the display !!!
Selecting the source which level has to be edited for the actual displayed output
zone by pressing one or more times the button [ VOL ] .
The sources will appear in the lower display line in the following order :
MUSIC 1 => MUSIC 2 => MUSIC 3 => MUSIC 4 => MUSIC MASTER =>
chime => TEXT 1 => TEXT 2 => AUX 1 => AUX 2 => and music 1 again …
setting the volume :
pressing the buttons [ + ] respective [ - ] changes the audio level for the
displayed crosspoint of input source and output zone.
+ : raises - : reduces the level
Valid values for the levels are
- For music 1..4, chime, text 1..2, AUX 1..2 : “ -16dB” … “ -00dB”
- For music master “ -30dB” … “ -00dB”
If " - - dB" appears behind a selected input, so this input may not be activated
for the actual displayed output; this connection is blocked by programming,
the source can not be routed to the actual displayed output zone.
( also ref. installation run )
( return to standard display view by pressing [ PRG ] two times - or by
waiting a few seconds, then the system returns automatically to the standard
view. )
ZONE 1
MUSI
C
1
S STEM_OK EVA16M
ZONE
1
MUSI
C
1
LEVEL: MUSIC 3 -12dB

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2.1.5 R EARVIEW EVA 16 M/S ( IDENTICALLY FOR MASTER - AND SLAVE - VERSION )
RS 232-interface 44
21 mains connector and fuse
Mains/Power
-
switch 22
I/O-Port D-Sub 25pin 25
ALARM 1
31 ALARM 2
ALARM 3
ALARM 4
32 TEXT 1
TEXT 2
33 CHIME
AUX 1 REQ
34 X 2 REQ
35 RELAIS: gen. fault
emergency
power fail
23 24V IN
26 cascade
AUX 1 audio-IN
28
AUX 2 audio-IN
audio -OUT 1
audio -OUT 2
36
audio -OUT 3
audio -OUT 4
37 audio -OUT spare amp
38
spare
-
amp 100V IN
39 amp in line 1 100V IN
speaker line 1A Out
40 speaker line 1B Out
. . .
…
41 amp in line 8 100V IN
speaker line 8A Out
42 speaker line 8B Out
MUSIC IN 1
MUSIC IN 2
27
MUSIC IN 3
MUSIC IN 4
EVA S S bus 45
REQ
29 FIRE MIK 1
REQ
FIRE MIK 2
30 EVA TER
2/4 Port:
audio
button 1
button 2
(button 3)
(button 4)
Connector Future2 24
1. programming-mode
2. nc.
3. external mains failiure -
4. external mains failiure –
5. battery error
6. programming-mode
7. nc..
8. nc.
9. battery error
Pinout “Future2“ :

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21: power connector
230V / 50 Hz euro-connector with integrated fuse ;
fuse 5x20mm 3,15A slowblow.
( with equipped battery – emergency power : ) missing main power causes a
failure message, muting of program inputs music 1 …4 and activates a low
cut for all audio outputs to save battery power.
22: Mains switch ON / OFF
Separates the central unit from mains power.
ATTENTION: the switch does not affect the 24V-power supply.
23: 24V connector:
2pin plug ( included ) to connect the emergency battery.
( when main power is present : ) missing battery voltage causes a failure
message
24: RS232 interface D-Sub 9pol(m)
connection to the PC by cross-cable [ 2-3 / 3-2 / 5-5 ]
Using a suitable communication program ( f.e. WINDOWS © XP
hyperterminal ) much useful parameters can be viewed and set, saved in a
protocol-file ; even the zone-identification for the naming of the output-lines
can be set here
25: I/O-Port D-Sub 25pol (m)
Connection to an (optional) external I/O-Board; D-Sub25pin cable
( cable included with the I/O – Port )
26: Cascade-connector RJ45: ( I/O CAS )
Optional connection to one or more salve-units EVA 16 S and/or EVALine
The connection uses all 8 pins of the connector. It’s not a LAN – connection.
Additional slaves EVA 16 S have to be connected in parallel - using an
appropriate connector ( included with EVA 16 S slave on request )
27: Music 1 In / Music 2 In / Music 3 In / Music 4 In
4 Cinch-connectors for background-music.
28: AUX 1 program In / AUX 2 program In
Two (2) phoenix-plugs to connect line-level audio signals f.e. for commercial
spots or other sound sources. Sending the sound to speaker line
unconditionally needs an active request on the corresponding request pin.
29: FireMic1 - In / FireMic2 – In ( audio and request ).
Two (2) phoenix-plugs to connect dynamic capsules of fire-mics Two (2)
phoenix-plugs to connect the corresponding request lines.
Capsule and request lines supervised on short line, broken line and ground
fault.
Sending the sound to a speaker line unconditionally needs an active request
on the corresponding request pin (PTT).
Only one firemic at a time allowed for the connector on the front panel, the
firemic1 connectors on the back panel or the firemic1 port on the I/O
extension card ( including EVA 16 FP FirePanel ).

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30: EVA-SYS 2/4 Port
phoenix-plug to connect dynamic capsules of EVA SYS 2 or EVA SYS 4
phoenix-plugs to connect corresponding line-buttons of EVA SYS x
the port is not supervised.
Sending the sound to a speaker line unconditionally needs an active
request on the corresponding line-button.
31: 4x alarm-input: ALARM 1 .. ALARM 4
phoenix-plug to connect 4 external alarm-lines
the request lines are supervised. Please refer to the prescribed interior
wiring of the alarm boxes ( following later in this manual ).
32: text 1-start / text 2 -start
Phoenix-plug to connect the request-signal for starting the replay of two
internal stored audio-signals; ( “we close the shop … “ or similar)
while playing the spot, the signal feeds the programmed zone(s) with
programmed volume.
33: Chime trigger
Phoenix-plug to connect the request-signal for triggering the replay of an
internal stored audio-signal, this may be a chime (default) ;
while reproducing the file, the signal feeds the programmed zone(s) with
programmed volume.
34: AUX 1 – request / AUX 2 – request
Phoenix-plug to connect the request-signal for enabling the corresponding
audio-signal on inputs AUX 1 program In / AUX 2 program In.)
35: Indication relays: general fault / emergency / power fail
On the back panel of the central units EVA 16 M/S fault messages are
available as follows :
general fault / system error : fault message combining all the fault
messages of the system to a common message
emergency: the signal indicates a running alarm started by a alarm
box or a micro
power fail : indicates the absence of one of the energy-sources
mains or battery
36: Audio Out 1 / Audio Out 2 / Audio Out 3 / Audio Out 4
Four (4) transformer balanced audio line-outputs to feed the 100V-
amplifiers for the speaker zones.

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37: Spare amp out
Transformer balanced, free of ground audio line-output to feed the 100V-
spare amplifier of the system. The presence of a spare amp on each EVA
16 M/S is mandatory to fulfill the regulations of EN 60849.
38: 100V In from spare amp
100V-input to connect the 100V-signal of the spare amp to the central unit
39: Speaker line 1A/1B 100V-amp input
Input to connect to the central unit the100V-signal of the amplifier that
feeds the speaker line 1
40: Sspeaker line 1A 100V-out / speaker line 1B 100V-out
switched 100V-Output for speaker line 1A/1B
41: Speaker line nA / nB 100V-amp input
Input to connect to the central unit the100V-signal of the amplifier that
feeds the speaker line n
42: Speaker line nA 100V-out / speaker line nB 100V-out
function Identic to (19) for speaker lines 2 ... 8
43+44: Futur I and Futur II
Connectors for futur extentions
45: Connection terminal bus EVA 16 SYS 80CH
NOTE: all the phoenix plugs needed for the system-setup are included and
come with the unit.

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2.1.6 R EARVIEW EVA LINE
RS 232
-
interface 4
Mains/Power switch 2
1 mains connector and fuse
7
RELAIS: power error
general error
EMERGENC
3 24V IN
5 cascade in/out
Audio IN1
6
Audio IN2
Audio OUT 1
8
Audio OUT 2
9 Audio OUT spare amp
10 100V In from spare
11 100V from amp for zone 1
Speaker out zone 1A
12 Speaker out zone 1B
. . .
…
13 100V from amp for zone 8
Speaker out zone 8A
14 Speaker out zone 8B

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Functions and connection similar to EVA 16 M/S :
1: mains connector 230 V:
2: mains switch ON / OFF :
3 : 24V connector :
4: RS232 interface D-Sub 9pin(m) :
5: cascade RJ45-connector :
7: error relais : general / emergency / supply
9: audio out to spare amp
Transformer balanced audio line-output to spare amp
10: incomming 100V from spare amp to the system
11: incoming 100V for speaker zone 1A / 1B
12: speaker zone 1A 100V-out / speaker zone 1B 100V-out
13: incoming 100V for speaker zone nA / nB
Similar to (11) only for zone 2…8
14: speaker zone nA 100V-out / speaker zone nB 100V-out
Similar to (12) only for zone 2…8
At variance with EVA 16 the following elements are present :
6: IN 1 / IN 2 :
Chinch connectors for audio line signals;
a signal fed to IN 1 is available in parallel at Out 1,
a signal fed to IN 2 is available in parallel at Out 2 .
8: NF 1 Out / NF 2 Out /
Transformer balanced, ground-lift, audio line-outputs,
to the 100V- zone amp(s).

EVA 16 M/S and EVA Line Rev. 4.33d -E- - english, Page 20 - GRÄF & ME ER 12/2012
NOTE: all the phoenix plugs needed for the system-setup are included and come
with the unit.
2.2 S MALLEST POSSIBLE SYSTEM CONFIGURATION
For the smallest possible system setup of an EVA 16 M system compliant to EN
60849 two channels of 100V-amps have to be provided.
One amp channel as standard zone amp, one as a spare amp.
The line-input of the standard amplifier will be connected to one of the outputs
Out CH1 ... Out CH4 of the EVA 16 M ( f.e. Out CH. 4 ).
The 100V-output of the standard-amplifier feeds the input connector of the
desired output-relay. ( f.e. relay CH8 )
The input of the second amplifier ( spare amp ) will be connected to the spare
amp output ( OUT SPARE ) of the EVA 16 M.
The 100V-output of tthe spare amp will be connected to the input connector for
the 100V-spare amp signal. ( SPARE AMP )
B / A
speaker lines
100 V
-
amplifier
EVA 16 M/S
Line Output