Purpose ** **** *********
*** ****** ****** ** opening *** ******* ***** takes *** ** *** most ****-**** ******* ** accomplish. ***** *** ******* behind ******** ** ******* a ****, ********* **** be ******, *******, ********, and ****.
****** '****' **** ******* **** ********* **** *** hydraulics ** ********** ** shut *****, ********* *** almost ****** '*****' ********** devices **** ******* ********** components *** *********** *********** that ********** ******** ** multiple **** ********** *** must ***** **** ** stop ** **** ** not ****** *****.
Designs **** ***** ** ****
***** *** ****** ********** vary ** ******, **** operators ******* ** ******** machined **********, ******, *****, levers, *********, *** *********. A ******* '******' ******** cutaway ** ***** *****:

** **** *****, *** operator ** ******** ** work * ******** *******, and *** ****** ****/*****/******** is ******** *** ********* as * ****** ********.
*** **** ** **** dictates *** **** ** operator ****. *** ***** types **** ** **********, industrial, *** ****** ********* are:
- ********: *** ***** **** open **/*** ** ****** or ******, ******** ********* handle ******** ** *** door ****. **** ********/********** access ***** *** **** type ** ********.
- *******: ********** *** ****-****** openings, **** ***** *** for *** *** ****** or ************, ******* ********* are **** *** ***** fast ***** *** ******* to **** *** ******** that ******* ***** *******.
- *********: ***** ******** ** environmental ******** *** *********, revolving ***** *** **** to ******* ***** *** egress ** ******, ***** in ****-*** ********** ****** or ****-******** *************.
Wheelchair ****** *****
*** **** ****** *********** for ********* ** ********** buildings ** **** ********** for ***** **** ************* issues ** ********** ******. In *******, * **** does *** **** ******** or ********** ******** ** open *** ***** *** door ******** **** ** operator, ** ** ********* push-button *********. ***** ********************** ** ***, ** ********* ***** ADA ** *** ******** adopted, *** ****** ********** are ***** ********* ****.
*** ******* ******* ** shown *****:

*** ****-******** ********** *********** access, *** ******* ** have ********** ***** *** keep **** ****** ** tricky *** *********** ****** control.
****** *** **** ********* the **** ** ****** (it ** *** *********), and *** **** ** timed ** **** **** and ****** ***** ** allow *** ***** ** wheel *******. *** ****** process, **** ******* ****, fully ********* ********* (** button ******), ** *******/******* force, ***** ****, ** additional ****** **** **** handrails *** ******* ** heavily ********** ** *****. We ******* **** ** detail *****.
Low ****** ******* *********
*** **** '*** ******' operator **** ******* ** swing ****** *****, *** has ******* ** ** with ***** ***** ** voltages. ******, *** '*** energy' *********** ******** ** the ***** ******** ** push *** **** **** as ** ****** ******.
********* ** ***, *** maximum ******** ***** *** door ******** ** **.* N (* **/**). ** countries ***** *** ** not ******** *******, *** design ********** *** ***** typically ****. ******* **** rating ** ** ******, most ************ ******* ** *** **** *** criteria, *** ** * designated ******* ** ****** as * ********** ********** opening ** **** ****.
** ***** ** ******* the '*** ******' ************* mandated ** ****, *** operator **** ** ******* in *** ********** ********* to**** ****.**:
- ******** *****: ** **** **** 15 **** ****** ** force ** *** ******** edge ** *** ****, to ***** ******** **** people ** ******** **** off-balance.
- ******* *****: ** ****** **** 3 ******* ** ***** open, ****** **** *** no **** **** * seconds, *** ***** ** faster **** * *******.
********** ************ *** *** initiation ** ****** **** happen ** ****** **** (not ************* ** ****** sensor) *** ** ***** of ***** ******* ****** require **** **** ** foot ****** ** ******** open.
**** ***** ********** *** met, *** ****** ****** requirements *** ******* *******, and *********/********** **** **** safety *********, ****** ********* scanners, *** ******** **** are *** ******** ** they *** **** '**** energy' ***** *********.
****** ** *** ***** below *** ****** ** positioned ****** *** ****, but *** ********** **** button ** ******* *** door ** **** ***** of *** **** *****. In **** *******, * wheelchair **** ***** * credential ** *** ****** to ****** *** ******, then **** **** ********* to ******* *** ****** to ************* **** *** door ** * ******** where *** **** ******** action **** *** *** or **** *** **** behind **:

** *** ******** *** triggered ******** ** *** reader, *** **** ***** be ******* ** *** swinging ****. ** *********, however, * ********** **** is ************* ************* ** scanning **** ********* ********* in ***** ** **** the ******.
Sliding *****
**** ****** ** ****** stores ** ********* ***** high ******* ** ****** are ********/*******, ******* ***** are **** ******* **** move *******, *******, *** most ***** *************:

** *******, ******* *** high-maintenance ******** *** ******* frequent ********** *** *** wear ******* ***** ** heavy ***. ***** ********* and ******** *** ********* installed *** ******** ** specialty *********** (***********) *** *********** ** access ******* ***** ******** joint *********** ***** *******.
Swing *****
*** *********** ******** *****, operators **** **** **** leafs ** ****** ** pivots *** ****. ** the ******* *****, ****** users *** ************* ****** by ****** ****** *** do *** **** ** press ******* ** ******** the ****.
****** * ********** ****, this ** * '**** energy' ******** **** ******** additional ****** ********* **** handrails ** ** *********:

Revolving *****
*** **** *********, *********, yet '**** ********' ******** is ******** ** ********* doors. ******* ************, ********* ***** **** allow *** ** * few ****** ** ** a **** *** **** internal ************ ********* **** outdoors. ********* **** *** door ******** ****** ** a **** ****, *** can ****** *** **** movement **** **** ******* a ********** ** ****** moving ****** **** * dropped ***.
**** **** ** ******** is ***** **** ** architecturally *********** ** '*****' entries *** ***** *********** or ********** *******:

Operator ******
** *******, ********* *** expensive *** ******* *** entire ******* ** ** matched. ** **** *****, the ****** *** ***** themselves *** **** ******** or **** ** ********, greatly ********** *** **** and ***** ********. ** terms ** ******** **** alone, **** ********** ******** ****** ***** ************* ~$*,***- $*,***, ***** a **** ****** ** sliding **** *** ** 4x ** ** ****.
** *******, *** **** of *** ******** ** a ******** ** *** entire **** ** ******** to ***** ****** * door, *** ************ *** service ********* ******** ****** relationships **** ************* *** may ******* ********* ******** installers ****** ********* *** approved ** ** ********.
Integrating ****** *******
***** *** *** ***** methods ** *********** ********* with ****** *******. ** both *****, ******* *** connected ** ****** *********** that:
- ******** **** *********:******** **** *** ****** system ******** ******* * door ** ****.
- ******** **** *******: *** ****** ****** activates *** **********, ***** allows *** **** ** open **** *******.
** ***** ** ***** option ** ***, ********* inputs ** ******** *********** and *** ******** ** push *******, ******** **** the ************ *** ******** of ****** ******** ** door *********** ****** ***** one ** ****.
** *** ******* *****, the ******* ****** ******** the **** ***** ********:

**** *********** **** ** supported ** ************ ** an **** ***** ******* on *** ********, ******* called * '*** *******' or ******* ** ************* ******* ***** *** the ******** *****:

*** ***** ****** ** integration ****** ** ********** the **** ****** **** a ***** **** ** read, ***** ********* ***** the ****** ** ********* and *************. ** **** cases, **** ****** ** used **** *** **** is ********* **** *** a **** ****** ****** the ***, *** ****** controlled ** ******** ** night ** ** *** weekends. **** ****** ******** that **** ******* *** present, *** ********** *** need ** ******** ********* to ** ********. *** images ***** **** **** installations:
*** ****** ***** *** push ******:

*** * ****** ***** either * ********* ********* or ******* *********** ****** credential '******' * ******:

Broad Access ****** *******
** *******, *** ****** system **** *********** **** include * ************* ****** output *** ** **** to ******* ** ********. Most ***** ********** *** enterprise ****** ********* ******* this ***** '*******' ******* designed *** ******* **** counts *** **** ***** applications *** ***, ********** '*****' alarm ***** ***** *******.
[****: **** ***** *** initially ********* ** ****, but ************* ******* *** expanded ** ****]
Comments (17)
Undisclosed #1
Raise your hand if you know any technicians that have drilled into a concealed door closer. *PRICELESS
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Undisclosed #2
How does this one work?
Related: How Do Hotel Handicap Emergency Entry Buttons Work?
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Lynn Harold
Has anyone ever tried accommodating a handicap entrance with access control using "wearable" credentials and a long-range reader? I've used Nedap for vehicles entering a garage where we can attach a credential to the vehicle. Anyone try this for people at a door? They may be in wheelchairs or using walkers, and may not be able to swipe a card or press a button. Thanks.
NOTICE: This comment has been moved to its own discussion: Experience With Long-Range Pedestrian Access?
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Patrick Hart
I think face capture would be a good solution for handicap friction-less access.
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Frantz Mathias
ANy brand of Swing door operator you could recommend $3000 for a double door. Please ? :)
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David Johnson
One project we were involved in had us controlling sliding doors by forcing the controller in and out of 'night' mode. We did this by intercepting the manual keyswitch circuit and shorting the appropriate pins. In this case 'night' mode also engaged a solenoid bolt lock inside the door operator to prevent sliding the doors by force. One caveat was that the 'breakaway' function which allows the doors to be pushed open laterally in a panic situation had to be externally monitored, although it could not prevent said forcing and thus was not as secure as an access control door is generally perceived to be.
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Ty Mullen
04/19/19 06:33am
One very critical thing that is often over looked, is isolating the interior and exterior buttons or detectors. The inside button or detector should always unlock and open the door. However the outside button or sensor should only become active when the access control system is activated through schedule or card. Some operators can handle this function but most can't. If not a sequencer is needed. Like a Camden CX-12.
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Undisclosed End User #4
Great article.
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Ng Choy Mei
Interesting.....
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