MPC-1000 Plus Fire Alarm System Control Unit Owner's ... - Faraday

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12120 OWNER'S MANUALII. DESCRIPTIONSSYSTEM DESCRIPTIONThe 12120 is an advanced modular fire alarm control unit. It features addressable/analog detection,programming, and memory capability. Its base configuration includes one addressable device circuit, withfour conventional notification appliance circuits.The basic 12120 control unit mounts in a 14-3/8" x 14-3/8" back-box with overall cover size of 14-3/4" x14-21/32". Operating controls and indicators are mounted on the plate with a polycarbonate decal foridentification. An 80-character LCD display provides specific indications for addressable devices whileLEDs indicate general panel status.Semi-flush mounting kits are available for the enclosure.HARDWARE CONFIGURATIONThe main board mounts in the rear of the enclosure. The power supply is physically contiguous with themain board. The 12120 main board provides the interface for external analog system connections, for theaddressable device circuit, four notification appliance circuits, remote signaling and indicating interfaces,and the electronics of the main system power supply. Optional boards mount on the main board.The display board mounts on the front plate, allowing it to carry the controls and displays which must beaccessible.All normal operation is controlled from the front of the control unit via push-button switches. Displays areprovided by an 80-character, alphanumeric, backlit LCD display and by discrete LED indicators for majorcontrol unit functions.The 80-character LCD display is used to display event data, including alarms and troubles, identificationof zone or device, and presentation of history. The display is controlled by a set of four push-buttonswitches commanding the control processor. A back light is included in the display to assure visibility inlow light, but to conserve power, it is only activated during a reported event or on operation of a displaycontrol switch.Individual LEDs on the panel are provided to indicate SYSTEM ALARM, PREALARM, SUPERVISORY,ALARM SILENCED, SYSTEM TROUBLE and AC POWER ON. Direct push-button controls are providedfor ALARM SILENCE, TROUBLE SILENCE/ACKNOWLEDGE, MENU and SYSTEM RESET.P/N 447192 Issue I (preliminary 10/31/2001)II-1
12120 OWNER'S MANUALMINIMUM CONTROL UNIT CONFIGURATIONPower SupplyA 3A, 24V nominal power supply provides all operating power to the control unit for both standby andalarm conditions. Sufficient battery charging capability is available to charge sealed lead-acid batterieswithin code requirements for 60 hour quiescent plus 5 minutes alarm. The cabinet will hold batteries onlyup to 7 AH. The back-up battery is 24V, maintained by floating on the power supply. The power supply isphysically contiguous with the main board.Addressable Device CircuitThe 12120 control unit has one addressable device circuit, that is programmed for connection to Faradayor System Sensor addressable devices.Faraday Addressable Devices:The addressable device circuit drives up to 60 addressable devices, detectors and/or modules.System Sensor Addressable Devices:The addressable device circuit drives up to 99 addressable sensors and 99 addressablemodules.Notification Appliance CircuitsThe 12120 control unit has four independent notification appliance circuits (NACs). Each circuit can beselected to give continuous output or one of eight sounding patterns available in the control unit. There isalso a system coder capable of zone coded operation. All of the NACs are power limited and can bewired for Class A (Style Z) or Class B (Style Y) operation.RS485 Communications CircuitThe 12120 control unit has a RS485 Communications Circuit that will drive up to 16 remote LCDannunciators and 8 Serial Relay Units and Serial Annunciator Units on the RS485 communication line.Status RelaysThree dry relay contacts are provided. These contacts are dedicated to alarm, trouble and supervisoryindications. The relay contacts are form C and are rated 1A @ 28VDC resistive.OPTIONAL CONTROL UNIT CONFIGURATIONA maximum control unit configuration can include all of the minimum configuration items plus additions asnoted below. Details of these accessories are given in Appendix D.City Tie BoardThe Faraday 12101 city tie board provides local energy and polarity reversal connections. The polarityreversal connections provide a trouble circuit and an alarm circuit with optional trouble output.RS232 Communication BoardThe Faraday 12103 RS232 communication board will allow event data to a serial printer or terminal.DACT BoardThe Faraday 12105 Digital Alarm Communication Transmitter board will send control unit status data to aremote receiving station.P/N 447192 Issue I (preliminary 10/31/2001)II-2
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12120 OWNER'S MANUALAddressable Dev
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12120 OWNER'S MANUALTotal Standby C
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12120 OWNER'S MANUALDEVICES FOR AUX
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12120 OWNER'S MANUALB. System Troub
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12101 WIRINGLocal Energy City Tie C
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INSTALLATION INSTRUCTIONS AND WIRIN
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413699 EVENT CODESEvent TypeSIA DCS
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