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Linkage. Connecting system components. Basic concepts. Allows configuring automatic actions Triggering outputs based on specific inputs Used for removing human reliance Also used as backup to normal operations. Linkage Types. Local Linkage (Self Contained). - PowerPoint PPT Presentation
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Linkage
Connecting system
components
• Allows configuring automatic actions• Triggering outputs based on specific inputs• Used for removing human reliance• Also used as backup to normal operations
BASIC CONCEPTS
Local Linkage (Self Contained)Internal Variable Linkage (Controller Based)Reaction Linkage (Global – System Wide)
LINKAGE TYPES
• Reader Alarms to Auxiliary Relays• Alarm Panel Inputs to Output relays
• Only Control Outputs from same device• Limited Configuration Options• Only power to Device Required• Very Useful for Redundant Backup• Extremely Fast Reacting• Removes Reliance on Human Operators
LOCAL LINKAGE
Local Linkage - ExampleAlarm Input Sensor Device
changes input state to ‘Alarm’
Linkage action is internal to the
device, no outside action
Output changes state in reaction to alarm input
Local Linkage Programming
• Configured in Software, stored in Controller
• Can affect any device on controller• Inputs from one device can control another
• PC’s or network not needed• Very fast acting• Removes requirement for extra wiring• Also useful for redundant backups• Removes Reliance on Human Operators
INTERNAL VARIABLES - GENERAL
• Alarm Panel Relays• Reader Auxiliary Relays• Masking Individual Alarms• Masking Alarm Groups• Unlocking Doors• Time Zone Activation• Testing Active Alarms Before
Masking• Can be Long List of Many Functions
INTERNAL VARIABLES - WHAT
• Alarm Panel Inputs• Reader Alarms• Reader Auxiliary Inputs• Access Grant• Access Deny• Duress• Can Count Access
Grants• APB Area Counts
INTERNAL VARIABLES - WHEN
Internal Variable- Example
Alarm Input
Change is detected in
controller, signal is sent to devices to
change state
Sensor Device changes input
state to ‘Alarm’
Devices change mode to OPEN on
designated readers
Internal Variable - Configuration
• Configured in Software, stored in PC’s• Can affect any device on System• Inputs from one device can control any
other
• PC’s must be Functioning• Requires APACS PRO software• Uses Network to send info to other PC’s• Removes Reliance on Human Operators
REACTIONS - GENERAL
• Alarm Panel and Reader Relays• Wave File Sounds• Live Video and Video Verification• CCTV Control (Camera Selection,
etc.)• Changing Reader Modes• Paging Systems• External Program (Word, Email, etc.)• Time Delays (Pause)• Can Be Long List of Many Functions
REACTIONS - WHAT
• Menu Selection and Hot Keys• Graphic Map Buttons• Event Message Masks• Access Grants from Specific
Cards• Any Type of Alarm Input• Trigger only During Certain
Times• Configure Menus for Operator
Selection
REACTIONS - WHEN
Reaction - Example
Sensor Device changes input
state to ‘Alarm’
Alarm Input
Controller detects change, sends
message to Alarm Mode station
Alarm Mode Station receives
message and reaction is executed
Sensor Device changes input
state to ‘Alarm’
-Email is sent -Popup message
displayed to guard
Reaction - Configuration
What about…?• What is the best solution for the
following?
– Open all doors in response to an input from PAGA (Public Address & General Alarm) system?
– Turn on lighting?
– Notify the security director when perimeter alarms are detected after midnight?
– Sound an alarm when a gas alarm is pulled?