EL.MO. Spa SCMAS5 Manuel utilisateur
090070671 - SCMAS5 - TECHNICAL MANUAL
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FOREWORD
FOR THE INSTALLER:
Please follow carefully the specifications relative to electric and security systems realization further to the manufacturer’s
prescriptions indicated in the manual provided.
Provide the user the necessary indication for use and system’s limitations, specifying that there exist precise specifications and
different safety performances levels that should be proportioned to the user needs. Have the user view the directions indicated
in this document.
FOR THE USER:
Periodically check carefully the system functionality making sure all enabling and disabling operations were made correctly.
Have skilled personnel make the periodic system’s maintenance. Contact the installer to verify correct system operation in case
its conditions have changed (e.g.: variations in the areas to protect due to extension, change of the access modes, etc…)
-------------------------------
This device has been projected, assembled and tested with the maximum care, adopting control procedures in accordance with
the laws in force. The full correspondence to the functional characteristics is given exclusively when it is used for the purpose it
was projected for, which is as follows:
Optical-acoustic device output control module.
Any use other than the one mentioned above has not been forecasted and therefore it is not possible to guarantee the correct
functioning of the device. Similarly, any other use of this technical manual other than the one it has been compiled for — that is:
to illustrate the devices technical features and operating mode - is expressly prohibited.
The manufacturing process is carefully controlled in order to prevent defaults and bad functioning. Nevertheless, an extremely low
percentage of the components used is subjected to faults just as any other electronic or mechanic product. As this item is meant
to protect both property and people, we invite the user to proportion the level of protection that the system offers to the actual risk
(also taking into account the possibility that the system was operated in a degraded manner because of faults and the like), as
well reminding that there are precise laws for the design and assemblage of the systems destinated to these kind of applications.
The system’s operator is hereby advised to see regularly to the periodic maintenance of the system, at least in accordance
with the provisions of current legislation, as well as to carry out checks on the correct running of said system on as regular
a basis as the risk involved requires, with particular reference to the control unit, sensors, sounders, dialer(s) and any other
device connected. The user must let the installer know how well the system seems to be operating, based on the results of
periodic checks, without delay.
Design, installation and servicing of systems which include this product, should be made by skilled staff with the necessary
knowledge to operate in safe conditions in order to prevent accidents. These systems’ installation must be made in accordance
with the laws in force. Some equipment’s inner parts are connected to electric main and therefore electrocution may occur
if servicing was made before switching off the main and emergency power. Some products incorporate rechargeable or non
rechargeable batteries as emergency power supply. Their wrong connection may damage the product, properties and the
operator’s safety (burst and fire).
According to Directive 2012/19/EU on the Waste of Electric and Electronic Equipment
(WEEE), it is here specied that this Electrical-Electromechanic Device started to be
commercialized after 13th August 2005, and it shall be disposed of separately from or-
dinary waste products.
DISPOSAL INSTRUCTIONS
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090070671 - SCMAS5 - TECHNICAL MANUAL
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1. GENERAL
EL.MO.’s SCMAS5 is the new optical-acoustic device output control module for AS protocol analogic loop systems.
Born from the experience and from the studies of our R&D team, it can boast several strengths:
• Easy to install. Easier wiring thanks to the removable terminal board;
• Compact. Compatible with optional 503 flush mount box;
• Suitable for power group monitoring. Where there is no dedicated serial line for monitoring power supply units
directly from a control unit, SCMAS5 can monitor the fault status of the PSU through a LED and by bouncing the
alarm to the control unit. If the fault is signalled by lack of power on the fault line, any line interruption is treated
as a fault as well.
2. TECHNICAL SPECIFICATIONS
Model: SCMAS5
Protection class: IP3X
Power supply: 24 VDC
Operating voltage: 20.5 VDC to 27.5 VDC
Power consumption: 3.3 mA idle mode; 4.5 mA max alarm mode
Connections: terminals for relay outputs, power supply unit monitoring, local silencing, signals
communications and serial loop connection.
LED indicators: power supply unit fault LED
two-colour LED indicator for alarm, fault and silencing events
Controls: rotary dip switches to set ID address
6-pin dip switch to set operating functions
Relay contacts carrying capacity: 0.5 A @ 125 VAC - 2 A @ 30 VDC.
Operating temperature: −10 to +55°C — 93% r.h.
Weight: 58 g
Dimensions: W 91.6 × H 54.7 × D 19 mm
Distance between centers: W 84 mm
Parts supplied: technical manual, balancing resistor (1 × 5K6 Ω)
3. PRODUCT COMPLIANCE
Install the optical-acoustic device output control module SCMAS5 as an accessory of compatible and CE compliant control
units only.
Also see the Declaration of Conformity at the end of this manual, or download it from the www.elmospa.com website.
4. INSTALLATION
Install SCMAS5 on AS protocol loops only.
WARNING: in order to avoid false alarms or electronic components damage, make sure panel and
loop are disconnected from power during wiring, installation and maintenance operations.
4.1 Overview and wiring diagram
Only connect the wires drawn with a dotted line on pic. 1 if the module is used to monitor a power supply unit.
Leave the terminal labeled with a black square empty.
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090070671 - SCMAS5 - TECHNICAL MANUAL
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WARNING: don’t install any local alarm silencing switch if you need the system to be compliant with
the EN54 standards (the button is intended to deactivate the optical-acoustic devices controlled by
the output module, till the control unit forwards a new activation command).
Power
Supply Unit
Terminal board
24V
optical-acoustic
device
1N4001
AS protocol loop.
Connect the cable
shields togheter.
Dip switchesRotary switches
Local
silencing
button
remote low
absorption
LEDs
Pins
5.6 KΩ
End of line
resistance
Additional optical-
acoustic devices
in parallel
PSU fault output
Pic. 1 — Overview and wirings
4.2 Unplugging and plugging back the terminal board
In order to clip the wires without holding the whole box in your hand, the terminal
board can be detached.
To unplug the terminal board:
• Insert the point of a small screwdriver between the green plasic block of
the terminal board and the white plastic of the bottom side of the box;
• Gently lever over the whole lenght of the board to make it raise in the
arrow’s direction (pic. 2);
• Pull the board out in the arrow’s direction.
To plug the terminal board back:
• Align the holes on the terminal board’s back with the pins;
• Slide back the board, pushing it as far as possible towards the box.
4.3 Serial address programming
Every module on the loop has a unique ID between 1 and 254.
• Set the address by maneuvering the rotary switches labeled ×100 (hundreds), ×10 (tens), and ×1 (units) on
the front of the box.
Pic. 1 shows the example ID 172 = 1×100 + 7×10 + 2×1
Pic. 2 —Detachable terminal board
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090070671 - SCMAS5 - TECHNICAL MANUAL
4.4 Activating the connected devices in case of lack of power supply
SCMAS5 can be set to automatically activate its connected self-powered optical-acoustic devices when the power supply
line is no longer working.
To activate this function:
• Using a screwdriver, gently force a side clip and slightly move the cover towards you to prevent the clip from
trapping it again;
• Gently force the opposite clip, allowing you to completely remove the cover;
• Cut the colored bridge shown in pic. 3;
• Close the cover and hook the clips again, paying attention as not to break them.
Pic. 3 —Opening the box and bridge location
4.5 Dip switch setting
DIP SWITCH SETTINGS
1, 2 and 3 Not used.
4
Set to ON if the PSU/FAULT clip is free or if it’s connected to the fault line of a PSU that sends a 24 V line
voltage during fault events (no current otherwise).
Set to OFF if the PSU/FAULT is connected to the fault line of a PSU that sends no current during fault
events (24 V voltage otherwise). Live wire interruption is recognized and treated as a PSU fault event.
5 and 6 Always set to ON.
4.6 Flush-mount installation
Use a 503 box with blank cover.
Pic. 4 —Flush mounting
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090070671 - SCMAS5 - TECHNICAL MANUAL
5. PROGRAMMING
To program the module’s activities see the compatible AS protocol control unit manual.
6. LED MEANING
LED LIGHT MEANING
PSU/FAULT and
REMOTE LED OUTPUT
FOR PSU FAULT
Off Regular functioning
Red blinking light Power supply unit fault
POLLING/OUT
Green blinking light Regular functioning (loop polling)
Red blinking light Controlled devices line fault (open / shorted / not
supplied line) or lack of end of line resistor
Red steady light Alarm (linked devices activated)
Red double blinking light Alarm (linked devices muted by silencing button)
REMOTE LED
OUTPUT FOR OUT
Off Regular functioning (loop polling)
Red blinking light Controlled devices line fault (open / shorted / not
supplied line) or lack of end of line resistor
Red steady light Alarm (linked devices activated)
Red double blinking light Alarm (linked devices muted by silencing button)
7. ANOMALIES
An erroneous dip switch setting can cause the module’s fault signaling to malfunction. The following table describes the
effects caused by erroneous settings, allowing to find and correct them before the system is actually used.
EFFECT POSSIBILE REASON
The PSU/FAULT LED and its remote equivalent blink, but nothing is linked
to the PSU/FAULT clip
Dip switch 4 is set to OFF
The PSU/FAULT LED and its remote equivalent blink, but the power supply
unit is correctly functioning and the live wire to the PSU/FAULT clip is fine
Dip switch 4 is in the wrong position (chapt.
4.5). Try switching it to the other position
and simulating a fault for test purposes.
The POLLING/OUT LED and its remote equivalent flash red, but the linked
devices line is supplied and has no faults
Dip switches 5 and/or 6 are set to OFF
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