Ekars ERA-2161 User manual

ERA-2161
Public Address
Relay Group
OPERATING MANUAL

Contents
1. Unpacking And Installation ------------------------------------------------------ 2
2. Features & Specifications --------------------------------------------------------- 3
3. Front Panel Controls --------------------------------------------------------------- 4
4. Rear Panel Controls --------------------------------------------------------------- 5
5. Connections ---------------------------------------------------------------------------- 6
1
SamHyoung Electronics Co., Ltd.
936-4, Kumuncheoun-Ri, Hyangnam-Myun,
Hwaseong-City, Kyunggi-Do, Korea (445-922)
Tel : 82)31+432+5112 / 82)31+432+4422
Fax : 82)31+352+7637 / 82)31+352+7649
Home Page : http://www.ekars.co.kr
http://www.samhyoung.co.kr
E-mail : [email protected]
[email protected]

Unpacking And Installation
2
CAUTION
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
:
TO REDUCE THE RISK OF ELECTRIC SHOCK.
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICICE PERSONNEL.
TO PREVENT FIRE OR SHOCK HAZARD,
WARNING
:
DO NOT EXPOSE THE UNIT TO RAIN OR
MOISTURE.
This symbol is intended to alert the user to the
presence of important operation and maintenance
(servicing) instructions in the literature
accompanying the appliance.
This symbol is intended to alert the user to the
presence of uninsulted "dangerous voltage"
with in the product's enclosure that may be of
sufficient magnitude to constitute a risk of
electric shock to persons.
To prevent electric shock do not use this
(polarized) plug with an extension cord,
receptacle or other outlet unless the blades can
be fully inserted to prevent blade exposure.
:
CAUTION
Although it is neither complicated to install nor difficult to operate your Relay Group,
a few minutes of your time is required to read manual for a properly wired installation
and becoming familiar with its many features and how to use them.
Please take a great care in unpacking your Relay Group and do not discard the carton
and other packing materials.
They may be needed with when moving your set and are required if it ever becomes
necessary to return your set for service.
Never place the unit radiators, in front of heating vents, in excessively humid or dusty
location to avoid early damage and for your years of quality use.
Connect your complementary components as illustrated in the following page.
The instruction for use shall state that the apparatus shall not be exposed to dripping or
splashing and that no objects filled with liquids, such as vases, shall be placed on the
apparatus.

Features
SPEAKER LINE CONTROL FUNCTION
The speaker output is provided the emergency speaker lines of operating
by emergency status and the normal speaker lines of operating by normal status.
OPERATIONG STATUS INDICATOR
With LED Indicator, you can check the operating status.
3
Specifications
Amp Input Channel --------------------------------------------------------------------- 16 channels
Control Input line ------------------------------------------------------------------------------ 16 lines
Speaker Output control line ---------------------------------------------------------------- 16 lines
ATT Control Circuit ------------------------------------------------------------------------ 16 circuits
Indicator
Standby -------------------------------------------------------------------------------------------------- 1
Line ------------------------------------------------------------------------------------------------------ 16
Power Requirements ------------------------------------------------------------------------ DC 24V
Power consumption ------------------------------------------------------------------------- 13 Watts
Net Weight (kg/lb) --------------------------------------------------------------------------- 3.15/ 6.9
Dimension ------------------------------------------------------- 483(W) x 44.5(H) x 250(D) mm
Specifications and design are subjected to change without notice
for improvements.

Front Panel Controls
4
1. STAND-BY INDICATOR
When Power is supplied, this indicator turns on for indicating stand-by.
2. CIRCUIT OPERATING INDICATOR
On Fire or Normal broadcast, these indicators show which area are operating.

Rear Panel Controls
5
1. CONTROL INPUT CONNECTOR
This is for connecting to the Control Output Connector of Matrix Logic (EML- 2161)
2. ATT OUTPUT CONNECTOR
This is for connecting to Emergency circuit for Emergency Broadcast.
3. AMP INPUT TERMINAL
This is for connecting to the Speaker output Terminal ( Com, 100V) of Power Amp.
Upper is "HOT" and Lower is " COM".
4. SPEAKER OUTPUT CONNECTOR
This is for connecting to speaker lines for normal broadcast.
HOT is 1~15(Odd) and COM is 2~16(Even)
5. ATT CONTROL INPUT CONNECTOR
This is for connecting to the ATT Control output connector of Matrix Logic (EML-2161)
HOT 16 15 14 13 12 11 10 9 8 7 6 54321
COM
16 15 14 13 12 11 10987654321
POWER AMP IN
SPEAKER OUTPUT 9~16
18
13
5
7911131517
246810121416
SPEAKER OUTPUT 1~8
18
13
5
7911131517
246810121416
CONTROL INPUT
18
13
5
7911131517
246810121416
CTRL-IN
1~16
ATT OUTPUT
18
13
5
7911131517
246810121416
ATT OUT
1~16
ATT CTRL
IN
B+
GND
18
17
NC
NC
18
17
COM
HOT
2~16
1~15
COM
HOT
2~16
1~15
RELAY
GROUP
RELAY
GROUP
NC
NC
18
17
NC
NC
18
17
123 4
5

Connections
6
CONTROL OUTPUT
B+
GND
18
17
CTRL-OUT
1~16
SPEAKER SELECTOR INPUT
B+
GND
18
17
CTRL-IN
1~16
RMT-2 INPUT
COM
ALL
18
17
EM CTRL INPUT
FIRE
EM
18
17
ATT CTRL
OUT
DC IN TIMER IN RMT OUT
POWER EXP IN EXP OUT
RMT-1 INPUT
COM
ALL
18
17
18
13
5
7911131517
246810121416 18
13
5
7911131517
246810121416 18
13
5
7911131517
246810121416 18
13
5
7911131517
246810121416 18
13
5
7911131517
246810121416 10
13
5
79
2468 10
13
5
79
2468
24V
MATRIX
LOGIC
MATRIX
LOGIC
CTRL-IN
1~16
CTRL-IN
1~16
CTRL-IN
1~16
REMOTE CONTROL
HOT 16 15 14 13 12 11 10 9 8 7 6 54321
COM16 15 14 13 12 11 10 9 8 7 6 54321
POWER AMP IN
SPEAKER OUTPUT 9~16
18
1
3579
11
1315
17
24
6810
1214
16
SPEAKER OUTPUT 1~8
18
1
3579
11
1315
17
24
6810
1214
16
CONTROL INPUT
18
1
3579
11
1315
17
24
6810
1214
16
CTRL-IN
1~16
ATT OUTPUT
18
1
3579
11
1315
17
24
6810
1214
16
ATT OUT
1~16
ATT CTRL
IN
B+
GND
18
17
NC
NC
18
17
COM
HOT
2~16
1~15
COM
HOT
2~16
1~15
RELAY
GROUP
RELAY
GROUP
NC
NC
18
17
NC
NC
18
17
FUSEFUSE
OUTPUT RMS 120W
OUTPUT RMS 120W
GND COM 4Ω
(22V)
8Ω
(31V)
16Ω
(44V)
70V
(41 )Ω
100V
(83 )Ω
POWER REMOTE IN
AC INPUT AC FUSE DC FUSE
F2AL 250V F10AL250V
ONOFF
400Hz -3dB
HPF
INPUT LEVEL
MIN MAX
BALANCED INPUT
0dBm (775mV) / 20KΩ
BALANCED INPUT
0dBm (775mV) / 20KΩ
DC INPUT
24V
24V
LINK
TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK DON'T EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE.
WARNI NG
:
TO REDUCE THE RISK OF FIRE
TO REDUCE THE RISK OF FIRE
REPLACE ONLY WITH SAME TYPE FUSE.
CAUTION
:
CAUTION
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISK OF ELECTRIC SHOCK
DO NOT OPEN
MADE IN KOREA
MADE IN KOREA
www.ekars.co.kr
POWER AMPLIFIER
POWER AMPLIFIER
OUTPUT POWER 120W RMS
OUTPUT POWER 120W RMS
PUBLIC ADDRESS
PUBLIC ADDRESS
MODEL NO : EPA-2123
MODEL NO : EPA-2123
SN
50/60Hz. 300W
220V-240V
FUSEFUSE
OUTPUT RMS 120W
OUTPUT RMS 120W
GND COM 4Ω
(22V)
8Ω
(31V)
16Ω
(44V)
70V
(41 )Ω
100V
(83 )Ω
POWER REMOTE IN
AC INPUT AC FUSE DC FUSE
F2AL 250V F10AL250V
ONOFF
400Hz -3dB
HPF
INPUT LEVEL
MIN MAX
BALANCED INPUT
0dBm (775mV) / 20KΩ
BALANCED INPUT
0dBm (775mV) / 20KΩ
DC INPUT
24V
24V
LINK
TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK DON'T EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE.
WARNI NG
:
TO REDUCE THE RISK OF FIRE
TO REDUCE THE RISK OF FIRE
REPLACE ONLY WITH SAME TYPE FUSE.
CAUTION
:
CAUTION
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISK OF ELECTRIC SHOCK
DO NOT OPEN
MADE IN KOREA
MADE IN KOREA
www.ekars.co.kr
POWER AMPLIFIER
POWER AMPLIFIER
OUTPUT POWER 120W RMS
OUTPUT POWER 120W RMS
PUBLIC ADDRESS
PUBLIC ADDRESS
MODEL NO : EPA-2123
MODEL NO : EPA-2123
SN
50/60Hz. 300W
220V-240V
MATRX
LOGIC
EML-2161
RELAY
GROUP
ERA-2161
SPEAKER 1~16
AMP IN
ATT
EM IN
MATCHING
TRANS
POWER AMPLIFIER
EPA-2123
EPA-2243
EPA-2403
POWER AMPLIFIER
EPA-2123
EPA-2243
EPA-2403

HOT161514131211109 87 65 43 21
COM
16 15 14 13 12 11 10 9 8 7 6 5 4321
POWER AMP IN
SPEAKER OUTPUT 1~8
COM HOT
2~16(EVEN) 1~15(ODD)
NC NC
18 17
SPEAKER OUTPUT 9~16
18
1357911131517 246810121416
18
1357911131517 246810121416
18
1357911131517 246810121416
18
1357911131517 246810121416
COM HOT
2~16(EVEN) 1~15(ODD)
NC NC
18 17
CONTROL INPUT
CTRL-IN
1~16
B+ GND
18 17
ATT OUTPUT
AT T O U T
1~16
NC NC
18 17
RY16 RY32
RY2 RY18
RY1 RY17
COM HOT
RY16 RY32 RY2 RY18 RY1 RY17 RY33
RY33 B+:18
DC24V
LED
ATT
CTRL-IN
216 117STAND BY
STAND BY
12 16
Block Diagram
7

3rd floor, 271-183, Kochk-2Dong,
Guro-Gu, Seoul, Korea (152-082)
Tel : 82)2+2612+4422
Fax : 82)2+2612+7676
Seoul office.
936-4, Kumuncheoun-Ri, Hyangnam-Myun,
Hwaseong-City, Kyunggi-Do, Korea (445-922)
Tel : 82)31+432+5112 / 82)31+432+4422
Fax : 82)31+352+7637 / 82)31+352+7649
E-mail : [email protected] / [email protected]
Home Page : http://www.ekars.co.kr / http://www.samhyoung.co.kr
Headquarter & Overseas Dep.
MEMO
PUBLIC ADDRESS TOTAL SOLUTION