PROGRAMMABLE LOGIC CONTROLLER (PLC).
 Programmable
logic controllers (PLC) are electrical devices designed to
control machines and industrial processes automatically. Programmable
logic controllers are capable of many industrial functions
and applications and are now widely used in automated industrial
applications.
A programmable logic controller (PLC) is a
control system consisting of four basic sections:
- Power supply section: provides all
the voltages required for the internal operation.
- Input and output section: which interfaces
low level incoming signals into higher voltage and current
control signals for load devices.
- Processing section: organizes all
control activity by receiving inputs, performing logical
decisions in relation to the stored program, and controlling
outputs.
- Programming section: allows programs
to be entered or changed in the programming section of the
PLC.
Dash Door and Closer Service, Inc. using Omron
programmable controller series C K has developed some innovative
passenger gate system for International Airport facilities.
 Dor-O-Matic
hydraulic powered operators for jetways bridge doors in concordance
with automatic vestibule doors are controlled by the PLC,
providing a fast access to customs floor or to the terminal
facility area.
Electronic card readers interfaces with Omron
controllers in order to set up the terminal gate doors for
domestic or international flight, domestic passengers go directly
into the concourse facility or international passengers are
guide up to customs floor.
Advantages of using a programmable logic controller
( PLC ) include:
- A reduction in hard wiring and wiring cost.
- Reduced space requirements
- Flexible control because all operations
are programmable
- Trouble shooting by monitoring and diagnosing
its own failure.
- Easy and fast re-programming, timing and
data modification.
MANUAL SECURITY DOORS, ELECTRONIC LOCKING
SYSTEMS.
 The
power lock.
Locknetic provides the industry's most complete selection
of electromagnetic locks. With twelve different series of
locking devices, these products covers all customers requirements.
Power locks series includes a complete family
of surface mounted, high security, electromagnetic lock for
the toughest system application. Locks systems are designed
to interface with access control systems, automatic doors
operators and fire or other hazard sensing systems to provide
egress upon detectable emergency.
Selecting from single or pairs of doors, out-swinging
or in-swinging. Experience error-free installation with Dash
Door's experts technicians. We have installed  thousands
of electromagnetic locking devices , and our installation
including very busy place as airports, hospitals, schools,
retails and office buildings, government installations, etc.
Powerlocks are UL Listed and engineered to
meet the ANSI/BHMA standard for electromagnetic locks. With
5 years warranty by the manufacture and made in America the
magnetic powerlocks are the best solution for security.
AUTOMATIC GATE OPENERS.
GTO/PRO provides a wide selection of gate operators
with 8 different series of openers to cover all customer's
requirements.
Operators are designed to interface with access
control devices such as free exit system, safety loops, telephone
entry and many security system without any change or extra
cost. Control boxes are programmable, allowing to be used
for Push-to-Open, Pull-to-Open or Slide operation as well
as obstruction sensitivity and dual gate opening and closing
sequences. Power supply is battery back up (battery included)
for 110/12 volt or solar charging with the flip of a switch.
GTO/PRO Slide Gate System
GTO/PRO Swing Gate System
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