Optimus SU-114N User manual

9I041UP 21/06/12

SU-114N version 1.3 R&D Department 3
Amplifier, speakers line
and critical path surveillance unit
SU-114N
List of contents
1. INTRODUCTION .....................................................................................................................5
2. FRONT VIEW ..........................................................................................................................6
3. REAR VIEW ............................................................................................................................7
4. CONFIGURATION OF THE SU-114N FAIL RELAYS ...................................................................8
5. CONFIGURATION OF THE TIMING SELECT DIPSWITCH..........................................................9
6. CONFIGURATION OF THE UNIT IP ADDRESS........................................................................10
7. CONFIGURATION OF THE RS-485 ADDRESS.........................................................................12
8. CONNECTION OF THE UNIT ..................................................................................................13
8.1. CONNECTIONS FOR SURVEILLANCE OF THE AMPLIFIER / ZONE .......................................... 13
8.2. RS-485 CONNECTION .................................................................................................... 14
8.3. MASTER/SLAVE CONNECTION ......................................................................................... 15
8.3. GENERAL OPERATION OF AN SU-114N ............................................................................. 15
9. P.A. MANAGER SOFTWARE. START-UP AND SETTING OF SURVEILLANCE .............................18
9.1. GENERAL ...................................................................................................................... 19
9.2. CARD CONFIGURATION AND SETTING PROCESS ............................................................... 22
9.3. SCHEDULING ................................................................................................................ 26
9.4. SENDING CONFIGURATIONS TO THE UNIT ....................................................................... 27
10. SURVEILLANCE REPORTS...................................................................................................27
10.1. LIBRARY INSTALLATION FOR THE GENERATION OF REPORTS ........................................... 27
10.2. GENERATION OF THE SURVEILLANCE REPORT................................................................. 28
11. SURVEILLANCE AND RESET OF THE UNIT USING THE FRONT KEYPAD ...............................29
11.1. SURVEILLANCE............................................................................................................ 29
11.2. RESET ........................................................................................................................ 30
12. ADVANCED OPERATIONS ...................................................................................................31
12.1. CONFIGURATION OF THE UNIT IP BY SOFTWARE............................................................. 31
13. TECHNICAL SPECIFICATIONS ............................................................................................31
14. SOFTWARE AND FIRMWARE VERSIONS .............................................................................32
15. DOCUMENT VERSION TRACKING........................................................................................32
15. GUARANTEE .......................................................................................................................33

SU-114N version 1.3 R&D Department 5
Amplifier, speakers line
and critical path surveillance unit
SU-114N
1. INTRODUCTION
The unit is modular in design, with the capacity
for surveillance of 14 zones.
It performs three surveillance functions:
Surveillance of the loudspeaker line
impedance
Surveillance of the power unit status of the
Optimus 6 series
Critical path surveillance.
These functions allows to comply with the
EN60849 standard.
Loudspeaker line surveillance: The SU-114N
injects various frequencies into the loudspeaker
line, which it then collects and analyses in order
to detect the status of the line (open line, short
circuit or correct line status).
The frequencies used for this monitoring can be
no audible (20 kHz or 18 kHz) or audible (4 kHz
or 400 Hz).
Constant monitoring (continuous measurement)
is achieved through the use of no audible
frequencies.
Audible frequencies are generally used to confirm
the line faults detected during measurement at
high frequencies.
Surveillance of the power unit status: The
SU-114N detects the 24 V DC received from the
power units through the SURVEILLANCE
connection of the amplifier.
Critical path surveillance: In installations with
an evacuation PA system, this consists in
continuous surveillance of the entire path of the
evacuation signal, from its origin (the capsule of
the MD-500EM desk) to the loudspeaker that
plays the message.
Main characteristics:
Allows the surveillance of Optimus amplifiers
with surveillance connector (UP-66, UP-67,
UP-126, UP-127, UP-246, UP-247, UP-366,
UP-367, UP-67M4, UP-127M4, UP-247M2 and
UP-487).
Triple frontal status indicator for each zone.
Surveillance capacity of 14 zones.
Input contact (MEASURE ACTIVATION), which
allows an external device to activate
measurement at audible frequencies (4 kHz or
400 Hz).
Open collector output contact (MEASURE
INDICATION). This is activated when the SU-
114N is performing surveillance.
Allows the surveillance of lines in installations
with volume attenuators.
Allows the surveillance of lines in installations
with music programs.
PC configuration via Ethernet.
Setting from PC or front keypad.
Double Ethernet connection for installations
with redundant network systems.
Surveillance of unit operation by means of the
PA Manager (SMP-250V2) software or through
the Web browser.
IP address configuration by means of a
Dipswitch and by software, facilitating the
replacement of equipment in an installation.
In installations with backup amplifiers and a
COU-02/0, it interacts with this, ordering the
replacement of the faulty amplifier with the
backup amplifier when an amplifier error is
detected.
24 VDC power supply (power supply not
included).
Occupies one standard 19'' Rack unit.

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and critical path surveillance unit
SU-114N
2. FRONT VIEW
(1) HIGH, OK and LOW status indicators
These three light indicators display the status of
each of the 14 possible surveillance zones of the
SU-114. The indications of the LEDs (see Table I)
show the status of the loudspeaker line, the
power unit or the critical path in each of the
zones.
(2) Timing Select Dipswitch
Used to configure the interval between timed
surveillance sessions (see section 5).
(3) Indicators 1 and 2
Control LEDs for manual adjusting of the unit
(see section 11).
(4) Buttons A and B
Together with Indicators 1 and 2, they are used
for manual adjusting of the unit (see section 11).
(5) RX and TX indicators
Their blinking indicates transmission (TX) or
reception (RX) of data through the RS-485 port.
(6) Download Dipswitch
Allows the user to switch between normal
working mode and firmware download mode.
(7) Download connector
Used for firmware updates.
(8) Power switch
ON / OFF switch.
Switched to OFF, the SU-114N remains in
BYPASS, whereby the PA system continues to
work, but without surveillance.
(9) Power indicator
Power supply indicator.
TABLE I
Figure 1

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*The open collector
output contacts of
the unit are as per
the diagram
attached.
3. REAR VIEW
(1) Ethernet B connector
RJ-45 connector. It is used, in a redundant
network, as a secondary connection to the
Ethernet network. In installations with a
redundant network, if the connection to ETH A
fails, the unit automatically switches to this B
connection, so that the PA system continues to
operate.
(2) 10 Mb indicator of the Ethernet B input
Indicates the speed of the Ethernet network
connected to the Ethernet B input. If the LED is
lit, it indicates a speed of 10 Mb. If it is not lit, it
indicates a network speed of 100 Mb.
(3) ACT indicator of the Ethernet B input
When lit, it indicates that data is being sent or
received through the Ethernet B input.
(4) LINK indicator of the Ethernet B input
When lit, it indicates the connection of the
Ethernet B input with the HUB or SWITCH.
(5) Ethernet A connector
RJ-45 connector. Used for connection to the
Ethernet network.
(6) 10 Mb, ACT and LINK LED indicators of
the Ethernet A input
These serve the same purpose as the Ethernet B
indicators, applied in this case to the Ethernet A
input.
(7) CTRL OUT strip
Open collector output contact*. It is activated
when surveillance detects amplifier, loudspeaker
line or critical path errors.
(8) Power supply input
Used to power the SU-114N. Connect a power
supply of 24 VDC / 1.5 A to this input.
(9) Ground to chassis connection.
(10) Supply fuse
2 A fuse inside the unit. To gain access to it, it is
necessary to remove the cover of the SU-114.
(11) Measure activation
Input contact, which allows an external device to
activate measurement at audible frequencies (4
kHz or 400 Hz). It is activated when the contact
is connected to ground.
(12) Measure indication
Open collector output contact*. This is activated
when the SU-114N is engaged in measurement.
It is used:
In installations with attenuators, in order to
activate the security paging of the attenuators
when loudspeaker line surveillance is
performed.
In installations without attenuators and with
music programs, in order to attenuate the
high frequencies of the music when
loudspeaker line surveillance is performed,
through a contact of a UMX-ECT card
configured for this purpose.
In installations without attenuators and with
music programs, without UMX-ECT cards or
without a UMX-02/0 matrix, in order to stop
the music when loudspeaker line surveillance
is performed. For this purpose the Measure
Indication is normally used connected to an
external relay, whose function is to cut off the
music program during the measurement
process.
Figure 2

SU-114N version 1.3 R&D Department 8
Amplifier, speakers line
and critical path surveillance unit
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Figure 3
(13) Ground connections
These are necessary in order to reference the
MEASURE INDICATION and MEASURE
ACTIVATION contacts mentioned earlier.
(14) RS-485 ADDRESS Dipswitch
The SU-114N communicates with the control PC
and the various elements of the SMP-250 system
(SU-214/0N, UMX-02/0, MD-500, MD-500EM...)
through a RS-485 bus. For this purpose it uses
the CSMA (Carrier Sense Multiple Access)
protocol. This Dipswitch enables a communication
address to be assigned to the unit, inside the RS-
485 bus. Each unit connected to an RS-485 bus
must have a different address. Table III shows
the possible values of this Dipswitch. To
configure it, please read section 7.
(15) CSMA / POLLING switch
The SU-114N uses the CSMA protocol. Move this
Dipswitch to the CSMA position.
(16) RS-485 IN connector
RJ-45 connector. This is used to connect the SU-
114N to the RS-485 communication bus.
(17) RS-485 OUT connector
RJ-45 connector. This is used to give continuity
to the RS-485 bus. If this output is used, the RS-
485 ON/OFF switch must be moved to the ON
position.
(18) RS-485 OUT ON/OFF switch
In the ON position it activates the RS-485 output.
(19) RX and TX indicators
Their blinking indicates transmission (TX) or
reception (RX) of data through the RS-485 port.
(20) Connections for surveillance of the
amplifier / zone number 14. See section 8.1.
(21) Connections for surveillance of the
amplifier / zone number 1. See section 8.1.
4. CONFIGURATION OF THE SU-114N FAIL RELAYS
Inside the unit there are
three jumpers for each of
the zones of the SU-
114N, by means of which
the FAIL relays can be
configured.
Figure 3:
Switching on jumper (A)
connects contact 1 of the
card to ground.
Switching on jumper (B)
configures the relay as
NO (normally open),
while jumper (C)
configures the relay as
NC (normally closed).
The default setting for
the unit has jumpers A
and B switched on
(contact 1 to ground and
relay NO).

SU-114N version 1.3 R&D Department 9
Amplifier, speakers line
and critical path surveillance unit
SU-114N
Continuous
measurement
Disabled
measurement
5. CONFIGURATION OF THE TIMING SELECT DIPSWITCH
It is possible to configure the interval of time between surveillance sessions by means of a TIMING
SELECT Dipswitch on the front (see Figure 1, no. 2), consisting of four switches.
The range of time has values of between 10 and 140 minutes, at intervals of 10 minutes.
There is a configuration for continuous measurement (all switches to OFF).
To disable measurement, move the four switches to ON. In this case, the SU-114N will perform
measuring operations when it is scheduled to do so (see section 9.3) or when the Measure Activation
contact is activated.
Whatever the configuration of the TIMING SELECT Dipswitch may be, whenever the SU-114N is turned
on, loudspeaker line impedance and critical path surveillance is automatically performed.
The configuration of these switches affects all the surveillance outputs of the SU-114N, except the output
that has been defined by software as the backup amplifier zone and which therefore performs continuous
measurement.
In SU-114N installations with MASTER/SLAVE topologies, all the SU-114N units will follow the
configuration of the TIMING SELECT Dipswitch of the MASTER.
When the TIMING SELECT Dipswitch configuration forces measurement, the SU-114N performs
surveillance of the loudspeaker line by means of the No Audible frequency, and then surveillance of the
critical path on the cards that are configured for this purpose.

SU-114N version 1.3 R&D Department 10
Amplifier, speakers line
and critical path surveillance unit
SU-114N
Figure 4
6. CONFIGURATION OF THE UNIT IP ADDRESS
The dipswitches that enable the IP address of the SU-114N to be manually configured are situated on the
lower part of the unit, protected by the cover. This address identifies the unit in the network and
therefore each unit must have a different IP address.
An IP address is represented by means of a 32-bit binary number. The IP addresses are expressed as
decimal-notation numbers: the 32 bits of the address are divided into four octets (an octet is a group of 8
bits). Each octet is represented by A0 to A7 for the first octet, B0 to B7 for the second octet, C0 to C7 for
the third octet and D0 to D7 for the fourth octet.
Each bit can have the value 0 (dipswitch OFF) or 1 (dipswitch ON). In order to obtain the decimal value of
the octet, the decimal values of each bit that is in the ON position must be added up (from the top down:
1, 2, 4, 8, 16, 32, 64 and 128).
When the IP address of a unit is changed, it is necessary to restart the unit by means of the ON/OFF
switch on the front.
Figure 4 shows an example in which the IP address 192.168.100.128 is configured.
Table II on the next page shows all the Dipswitch combinations from 0 to 255.

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and critical path surveillance unit
SU-114N
TABLE II

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and critical path surveillance unit
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TABLE III
7. CONFIGURATION OF THE RS-485 ADDRESS
In installations in which the SU-
114N units receive analog signals
from UMX-02/0 matrices, or there
are MD-500 or MD-500EM analog
microphones, it is necessary to
have an RS-485 bus connecting
these units. Proceed as follows to
configure the RS-485
communication:
1. The SU-114N uses the CSMA
(Carrier Sense Multiple Access)
protocol. Move the CSMA/POLL
switch to the CSMA position
(Figure 2, no. 15)
2. Configure the RS-485 address
of the unit (Figure 2, no. 14).
Remember that each unit must
have a different address inside the
bus. Table III shows the possible
values of this dipswitch.

SU-114N version 1.3 R&D Department 13
Amplifier, speakers line
and critical path surveillance unit
SU-114N
Figure 6
Figure 5
8. CONNECTION OF THE UNIT
8.1. CONNECTIONS FOR SURVEILLANCE OF THE AMPLIFIER / ZONE
The SU-114N module allows the
surveillance of 14 zones
(amplifier, loudspeaker line and
critical path).
(1) and (2) Fail Relay contacts
Output contacts that are NO (normally open)
and voltage free. When a high impedance line
error or an amplifier error is detected, their
status changes. These contacts are internally
configurable (see section 4).
In installations with a backup amplifier the
FAIL RELAY contacts connected to the CTRL.
contact of the COU-02/ES card are used to
switch the zone amplifier for the backup
amplifier.
(3) Busy terminal
Input contact. When this contact is connected
to ground, the card is inhibited, so that it stops
performing surveillance and reverts to its
previous status. This option is applied in
installations with zone switching modules or
installations with an emergency call through
the UMX-EM card, and card detection is
inhibited while a paging is sent.
(4) Ground terminal
(5) RJ-45 connector
This is used to connect the SU-114N with the
surveillance zone amplifier. Connect it to the
SURVEILLANCE input of the amplifier (see
Figure 6). Use Category 5 FTP cable for this
connection.

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Amplifier, speakers line
and critical path surveillance unit
SU-114N
8.2. RS-485 CONNECTION
The SU-114N communicates with the control PC and the various elements of the SMP-250 system (SU-
114N, SU-214/0N, UMX-02/0, MD-500, MD-500EM...) through a RS-485 bus. For this purpose it uses the
CSMA (Carrier Sense Multiple Access) protocol.
RJ-45 connectors with a metal housing are used for the RS-485 connection.
If the SU-114N is positioned as the first or last element of the RS-485 bus, the RS-485 OUT switch must
be moved to the OFF position. Otherwise, the RS-485 output must be enabled by moving the switch to
the ON position (Figure 2, no. 18).
Category 5 FTP cable must be used to connect different units to each other on the same RS-485 bus.
Figure 7

SU-114N version 1.3 R&D Department 15
Amplifier, speakers line
and critical path surveillance unit
SU-114N
Figure 9
Figure 8
8.3. MASTER/SLAVE CONNECTION
The Master/Slave configuration is useful in installations with several SU-114N units and with paging
security (loudspeaker lines with three-wire attenuators). In such installations it is necessary to activate
the paging security when the loudspeaker line is measured, so that the line is loaded with full nominal
power, and the music is stopped while surveillance is in progress. If the synchronisation between
different SU-114N units offered by the Master/Slave configuration does not exist, this effect can be
annoying in places where the sound of different zones loudspeakers can be heard.
The Master SU-114N informs the slaves when surveillance is to begin.
All the SU-114N units will follow the configuration of the TIMING SELECT dipswitch of the MASTER.
In this Master/Slave topology the units must be connected through an Ethernet network. The Ethernet
connection is used for:
Master/Slave synchronisation between SU-114N (Figures 8 and 9).
Configuration and line setting from the PA Manager software (Figure 9).
Reception of the line measurement log (Figure 9).
8.3. GENERAL OPERATION OF AN SU-114N
Amplifier surveillance:
The Protection signals and the 24 VDC of the
amplifier are sent to the SU-114N through the
SURVEILLANCE connection of the series 6 UP
amplifier.
Surveillance of the amplifier is constant. In this
way, as soon as the SU-114N fails to detect the
presence of the 24 VDC or receives the Protection
signal, it generates an alarm that is sent to the
MD-500EM, the UMX-02/0 audio matrix and the
control PC, and the FAIL RELAY contact of the
corresponding zone is activated at the same
time.
It is possible to disable 24 VDC detection through
the PA Manager software (see section 9.1., no.
13).

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Amplifier, speakers line
and critical path surveillance unit
SU-114N
Once the faulty amplifier has been replaced or
repaired, the unit recovers from the amplifier
error automatically.
In installations with a backup amplifier, when an
amplifier surveillance error is detected, the
connection between the FAIL RELAY contact of
the SU-114N and the CTRL contact of the COU-
02/ES card switches the zone amplifier for the
backup amplifier. When the backup amplifier
starts to operate, critical path and loudspeaker
line surveillance in that zone is stopped.
Loudspeaker line surveillance:
An internal DSP in the SU-114N generates a tone
that is sent to the loudspeaker line, collected by
the SU-114N itself and analysed. If the values
analysed exceed the limits established during the
setting process, a high impedance/open line or
low impedance/short circuit error is generated.
The line errors detected are communicated to the
MD-500EM, the UMX-02/0 audio matrix and the
Control PC.
When a high impedance line error is detected,
the FAIL RELAY contact of the SU-114N zone is
activated. A low impedance line error (a short
circuit on a line, for example) does not activate
the FAIL RELAY contact of the card; in
installations with backup amplifiers and COU-
02/0, this avoids switching a short circuited line
on the backup amplifier.
Detection of the same error on a loudspeaker line
five consecutive times stops surveillance on that
line. In this case, once the loudspeaker line has
been repaired, this line must be included in the
surveillance process once again. To do this, two
options are available:
a. It can be done manually, by simultaneously
pressing buttons A and B on the front of the
SU-114N (see section 11).
b. Or you can wait for the software to perform
this task automatically, in accordance with the
configuration of the parameter Measurement
interval between errors (see section 9.1., no.
14).
In installations with a backup amplifier, the FAIL
RELAY contacts of each zone of the SU-114N
must be connected to the CTRL. contacts of the
COU-02/ES cards. In this way, detection of a high
impedance error leads to switching of the zone
amplifier for the backup amplifier. When this
occurs, the zone of the SU-114N configured as
backup amplifier stops loudspeaker line
surveillance.
Critical path surveillance:
Once loudspeaker line surveillance has been
completed, critical path status is checked.
For this purpose the SU-114N gives an order to
the MD-500EM to generate a tone of 17720 Hz.
This tone runs along the path from the desk to
the loudspeakers, before it returns to the SU-
114N and is analysed.
Errors detected by the SU-114N will be sent via
RS-485 to the MD-500EM, the UMX-02/0 and the
Control PC.
A critical path error does not activate the FAIL
RELAY contacts of the SU-114N.
When is surveillance performed? (on an
SU-114N working in Stand Alone or
Master mode)
-When the SU-114N is switched on (line
surveillance using an No audible frequency
and Critical Path).
-When software defined scheduling is activated
(line surveillance using an No audible or
Audible frequency and Critical Path).
-When indicated by the configuration of the
Timing Select Dipswitch on the front (line
surveillance using an No audible frequency
and Critical Path).
-When the Measure Activation input contact is
activated (line surveillance using an Audible
frequency and Critical Path).
-When measurement is forced by means of the
front keypad of the SU-114N (line surveillance
using an Audible and/or No audible frequency
and Critical Path).
-The zones configured as backup amplifier
perform surveillance of the backup amplifier
with its load, when it is not in use.
-Amplifier surveillance is constant.
-The SU-114N units configured as slaves will
perform surveillance whenever it has been
determined by the Master or by software
defined scheduling.

SU-114N version 1.3 R&D Department 17
Amplifier, speakers line
and critical path surveillance unit
SU-114N
The MEASURE INDICATION contact
Open collector output contact.
In installations with volume attenuators, it is
necessary to activate the security paging of the
attenuators when loudspeaker line surveillance is
performed. In this way, each of the lines is
loaded with the maximum power. The MEASURE
INDICATION contact of the SU-114N performs
this function, activating the priority of the power
unit.
In installations without volume attenuators and
with music programs, without a UMX-02/0 matrix
or without UMX-ECT cards, it is necessary to stop
the music when loudspeaker line surveillance is
performed. The MEASURE INDICATION contact of
the SU-114N performs this function. It is
generally connected to an external relay, which
function is to cut off the music program during
measurement.
In installations with UMX-02/0, without
attenuators and with music programs, it is
possible to make the measurement without
interrupting the music, attenuating the high
frequencies when loudspeaker line surveillance is
performed. For this purpose a UMX-ECT card is
required with a contact configured to perform this
function. Activation of the UMX-ECT card contact
must be performed by the MEASURE INDICATION
contact of the SU-114N.
The MEASUREMENT ACTIVATION contact
Input contact, which allows an external device to
activate measurement at audible frequencies (4
kHz or 400 Hz). It is activated when the contact
is connected to ground.
Figure 10

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Amplifier, speakers line
and critical path surveillance unit
SU-114N
9. P.A. MANAGER SOFTWARE. START-UP AND SETTING OF
SURVEILLANCE
When the unit is started in the installation, it is necessary to have a PC connected to the SU-114N, either
through SWITCH, or through a crossed network cable.
The PC must have the PA Manager software installed (version SCF-01 or SCM-01).
Once the SU-114N has been set, if a reset is required, this can be done on the front keypad (see section
11).
PLEASE NOTE the following, before proceeding to set the SU-114N:
Make sure that the impedance of the loudspeaker line is appropriate to the load. Once the loudspeaker
lines have been checked, connect them to their corresponding amplifier.
In installations with critical path surveillance, connect and power up the MD-500EM microphone desk.
PROCEDURE:
1. Open the PA Manager software. On the installations screen, add the SU-114N to the installation.
2. Configure the configuration parameters of the SU-114N. These are divided into three sections:
General: The general parameters of the SU-114N can be configured here (see section 9.1).
Card Configuration: Each of the SU-114N slots can be set with the corresponding amplifier (see
section 9.2).
Speaker’s Line Scheduler: Options for creating weekly surveillance scheduling (see section 9.3).
3. Send the configurations to the unit (see section 9.4).

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Amplifier, speakers line
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9.1. GENERAL
(1) Name. Enter a name to
identify the unit (maximum
20 characters).
IP DATA
(2) IP Address. Enter the
IP address of the unit. This
IP must be unique to the
installation and it must
coincide with the
configuration of the
Dipswitches in the lower
part of the unit. It must be
a fixed IP address.
(3) Netmask and (4)
gateway. In installations
that require this
information. Consult the
network administrator of the
installation.
MULTICAST DATA
(see also next page)
(5) IP Multicast. Default setting 239.5.5.5. Do
not modify this field unless the installation
topology makes it necessary. All the units with an
Ethernet connection in the installation must have
the same IP Multicast.
(6) Multicast port. Default setting 5000. Do not
modify this field unless the installation topology
makes it necessary. All the units with an Ethernet
connection in the installation must have the same
Multicast port.
(7) Send “Heart beat” every n seconds.
Frequency with which the unit sends a “Heart
beat” to the multicast group. This signal informs
the other units with an Ethernet connection in the
installation that the SU-114N is operating
perfectly.
(8) Local Manager and (9) Global Manager.
Only on Optimax systems. Defines whether the
SU-114N is to function as a priority manager of
the Optimax system, either locally at PA Area
level or globally for the installation, and
establishes the priority of this management with
respect to other equipment units (1 = maximum
priority). See Notes on Local and Global Co-
ordinators on page 20.
(10) Function Mode. Define the mode of
operation, choosing between Stand Alone and
Master/Slave.
Stand Alone: There is just one SU-114N in
the installation or, if there are several, they
operate independently of one another in the
moment of measuring. Each of them follows
the configuration of the interval of time
between measurements defined by the
position of its own TIMING SELECT Dipswitch
on the front.
Master/Slave: When there are several SU-
114N units in the installation, one of them can
perform the functions of Master. The
configuration of its TIMING SELECT instructs
the other SU-114N units configured as
SLAVES as to when measurement is to be
performed. The Measure Indication of the
Master remains activated until all the slave
SU-114N units have completed measurement.
This configuration is useful in installations with
several SU-114N units and with paging
security (loudspeaker lines with relay or
three-wire attenuators). In this type of
installation it is necessary to activate the
paging security when the loudspeaker line is
measured, so that the line is loaded at full
power, and the music is stopped during
surveillance. If the synchronisation between
different SU-114N units offered by the
(1)
(2)
(3)
(5)
(6)
(4)
(8)
(7)
(11)
(9)
(10)
(12)
(14)
(13)
(15)
(16)

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Amplifier, speakers line
and critical path surveillance unit
SU-114N
Master/Slave configuration does not exist, this
effect can be annoying in places where the
sound of different zones loudspeakers can be
heard.
(11) Address. Each unit connected to a RS-485
bus must have a unique address which
distinguishes it from the other units connected to
the same bus. Enter a value of between 1 and
99. The address entered must coincide with the
address configured through the RS-485 ADDRESS
Dipswitch on the rear panel of the SU-114N.
(12) CSMA/POLLING. Choose CSMA.
(13) Fail Relay Activation. Select the
conditions in which the SU-114N Fail relays will
be activated: when the unit stops to receive the
24 Vdc power supply from the amplifiers, when
the amplifier protection is activated, when a
critical path error is detected, when a low
impedance line error is detected or when a high
impedance line error is detected.
(14) Amplifier 24 VDC detection. Keep this
option activated if surveillance of the 24 VDC
from the amplifier is required.
(15) Measurement interval between errors.
Having detected an error on a loudspeaker line
five consecutive times, the SU-114N stops
surveillance on that line. This parameter defines
the interval of time that is to elapse before the
line that caused the error is taken into
consideration for measurement again.
(16) Send alarms trough RS485 connection.
If checked, sends alarms from SU-114N to MD-
500EM, MD-500, UMX-02/0 and Server PC trough
RS485 connection.
a) Information about the multicast configuration on Optimax equipments
It is possible to modify the multicast
configuration of all the equipment
units in the installation
simultaneously. Proceed as follows:
1. From the installation screen, open
the Options menu and select
Multicast Configuration.
2. A window with the configurations
of the multicast group appears.
Double click on the data item that
you wish to change.
3. Modify the value and click on OK.
4. Confirm the change by clicking on
Yes.
5. Close the multicast configuration
window by clicking on OK.
ATTENTION: The values that are
modified from the multicast configuration window affect all the equipment units in the multicast group in the installation.