Philips SM30 plug-in modules, Call Station, Signal generator, Background music, Block diagram

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SM30 plug-in modules

All of the interconnections between individual modules in the Control Centre take place automatically when they are plugged into the interconnection board of the Control Centre, so that no complex inter-wiring is required. Owing to the unique construction of the housing, the modules slide in and out quickly and easily. These features make SM30 simple and inexpensive to install and maintain.

All switching and routing of the system is carried out by software, so that hard-wiring problems are kept to a minimum. This means that though SM30 comprises a great amount of features, making it a comprehensive Public Address Centre, the unit itself is uncluttered and simple to assemble and use.

Call Station

The Call Station is the primary input to the system, allowing the operator to route and broadcast calls, announcements and music. Each Call Station includes:

■An electret condenser microphone.

■A Numeric Keypad, allowing individual selection of up to 18 loudspeaker zones by typing in the zone number. Each Call Station can be programmed with a priority status, attention tone and pre- recorded message. These become operational whenever the keypad is used to route a call.

■Zone Selection Indicator.

Each zone has its own LED which is illuminated when the zone is selected. When the call is completed the LEDs will be extinguished.

■4 Function Keys.

Programmable with: priority; alarm and attention tones; pre-recorded messages; routing to loudspeaker zones; and Control Relay activation.

■Alternative functions.

These include music volume up/down; music source selection; music mute; and independent Control Relay switching or toggling.

Using the Function Keys to make a call is done in the same way as using the Key-pad. The main difference being that instead of the operator selecting the zones using the Numeric Keypad, the Function Keys route the call to a pre-programmed selection of zones.

This of course saves a great amount of time when an operator has to frequently call the same selection of zones, or when an “ALL CALL” must be made in emergencies.

Signal generator

Built into the SM30 Control Centre is a signal generator, programmed with attention tones and alarm signals. These can be programmed, via the User Menu, to precede a call or pre-recorded message, or to be activated independently.

Background music

Background music sources, such as a background music player, a radio tuner, a compact disc player, a cassette deck, etc. are connected and pre-adjusted.

Emergency Power Supply +48 VDC

In situations where the mains power supply is unreliable, and SM30 is used for security/evacuation purposes, an emergency power supply may be used. This will be switched on automatically whenever the mains power fails.

Block diagram

The block diagram of a SM30 system is shown in fig.1.

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Contents SM30 Contents Control Centre IntroductionProgramming Signal generator Emergency Power Supply +48 VDCBlock diagram SM30 plug-in modulesBlock diagram Typical Operation System OperationActivation of Control Relays Power on delay Volume Control Override RelaysAlarm interrupt Signal description Alarm TonesTime signals Front panel controls ON/OFF Power Switch fig.4.1AProgramming Keys fig.4.1C Alpha-Numeric LCD Display fig.4.1D Music Function Keys fig.4.1ESM30 basic modules Power Supply ModuleLine Output Module Setting UP the Hardware GeneralRemoving Module Blank Panels Opening the housingMounting the Modules Volt Emergency Power Supply Voltage SettingEarth Terminal ground Mounting in a 19 rack Removing FeetCalculating Required Rack Space General RulesOne Channel System fig.5.5.2 Connecting amplifiersRack Mounting 1 Two channel system 2 One channel system Electret condenser microphone Built-in CompressorBalanced Line Level output Operating controls Numeric Keypad fig.6.1JCall Station ‘Press-To-Talk’ Key fig.6.1HInstallation Loudspeaker Zone Template AdjustmentsLED Intensity Preset Using the Call Station Using the Keypad to make a CallPage Installation Mounting in the Control Centre Adjustments Volume Level ControlsCall Station Input Module CSM Connection of Call StationsOperation Remote Switching Function Microphone Input Module MIMLine Input Facility Bass Cut FacilityAdjustments Gain Control Potentiometers Connection of MicrophonesControl Input Module CIMWiring control inputs Direct routingAdjustments Output Volume Control Automatic Gain ControlHeadphone Monitoring Microphone InputSafety Features Numerical order, commencing with messageRecording a Message Recording over an Existing MessageRemote Location Recording Music Input ModuleMUM Music Source InputsProgramming Software routing to zones Display music source statusZRM Zone Relay ModuleTerminations Coupling Zone Relay Modules Multiple Amplifier ConfigurationsControl Relay Module CRMRemote Volume Control Overrides InstallationWiring Control Relays Programming Power-on delayProgramming Program step Selection User passwordSummary SM30 User Programming User Programming Mode IntroductionGeneral User ProgramCall Stations Signal number selection Main menu selectionCall Station number selection Key Pad SelectionKey Signal number selection Function Key number selectionKey programming selection Key Priority selectionKey Music volume up Key Music volume downKey Relay switching selection Key Music on/offMicrophone number selection MicrophonesCall Routing to Zones Microphones Programming next microphoneControl Inputs Control input number selectionControl input Priority level selection inputControl Inputs Programming Control RelaysSM30 System Specification GeneralMains Supply Audio signal level diagram DL LReturn to ‘RUN’ mode Error MessagesMusic Routing Music RoutingPage Supplement Instructions for installation Contents Installer programming stepsselection Extended Call Station ProgrammingSetup Installer mode System downLanguage selection Store hardwarePower-on Delay POWER-ON DelayDelay time Music Input TextSelect Language Alternative Music Input TextInput number selection Alternative text selectionStoring Hardware Selecting Amplifier Configuration Store Hardware Amplifier ConfigurationConfiguration display Altering selectionRemote Volume Control Music Volume Step/RepeatMode display Volume Control Routing Limits Call Override Relays Station Override RelaysRelay selection Call Station selectionRouting setting Routing LimitsDirect Routing Current zone displayClear Memory Control Alarm Mode Power-on delay System downClearing Memory 14.2 ConfirmationFlexible F-keys Extended Call Station Extended Call Station ProgrammingSelection Call Station input number 17.3 ConfirmationMPL if IE R C ONF IG Xxxxxx R MA N Singl E AMP LIF IE RS MU SIC Z on ES SE T ROU TIN G VIA Inst AL LE R P Rogr AM EL ECT PR Ogram CT L AL AR M MOD E SEL ECT FUN Ction MIC ROP Hone Priority Page Page 3922 988 33415 20/97
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