Kentek Entry-Guard, Руководство по эксплуатации

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SAFETY INTERLOCK ACCESS CONTROL SYSTEM
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INTRODUCTION
Entry-Guard™ is a Safety Interlock System (SIS) that provides a fail-safe Access Control System (ACS) with a primary
function to ensure that unauthorized personnel are prohibited from areas where laser radiation may be present. When
the power to the controller is interrupted, critical outputs, such as door magnetic locks and laser interlocks, revert to a
safe state: magnetic locks off, laser interlocks open.
The SIS has become more critical recently in light of accidents in the laser industry. These incidents have led organiza-
tions to develop better operating procedures and standards that suggest a separate system be implemented for safety
functions, away from the basic process control procedure. This separation has become an industry standard.
OVERALL CONCEPT
Entry-Guard™ has the capability to integrate with components of any ACS, which may include any or all of the
following components:
Lasers warning signs Safety interlocks Emergency stop switches
Laser shutters Active status lights Proximity sensors Remote start switches
Enclosures Audible signals Safety mats Exit request switches
Curtain systems Keypads Crash bar sensors Bypass key switches
Light curtains Card readers Laser scanners Magnetic locks
Entryway doors Biometric scanners PLC circuits Electronic latches
Kentek’s versatile system enables placement of safeguards around all possible hazards within the work environment.
We provide 11 outputs that can be used for a wide variety of applications.
Four laser interlocks (TB13, TB14, TB15 and TB16) are double pole double throw normally open/normally closed, dry
contacts. 12VDC can be added by applying jumpers JP10-JP13.
Three auxiliary interlocks (TB17, TB18, TB19) are single pole single throw normally open, dry contacts. 12VDC can be
added by applying jumpers JP14-JP16.
All 7 interlocks can be used to control anything that needs to be turned on or off depending on the status of the
system. For applications that require a higher voltage or current rating, external relays can be used to switch power for
these devices.
Two magnetic lock terminals (TB3, TB4) are double pole double throw normally open/normally closed contacts and
can provide 12VDC (with jumpers installed JP2/JP3). Removing these jumpers individually turns each set of contacts
to dry contacts. These contacts are bypassed while the ‘EXIT NOW’ circuit is active allowing entry into the room.
One ‘Exit now’ terminal (TB2) is double pole double throw normally open/normally closed contacts and can provide
12VDC (with jumper installed JP1). These contacts switch during any ‘EXIT NOW’ request and remain active until the
‘EXIT NOW’ timer is finished.
One user +12VDC terminal (TBDC) has two connections for 12VDC and ground.
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