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Topic:
B&K CK 1.2 Wiring
This thread has 7 replies. Displaying all posts.
Post 1 made on Tuesday January 4, 2005 at 22:09
Erwin
Lurking Member
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January 2005
1
Hi, I have just bought a CT-610 and the CK 1.2 keypads, and I plan to install them in my house, which originally had cables for Crestron touch panels.

The cable I installed is a 4-wires in daisy-chain... the CK 1.2 manual recommends a UTP cable.

Do you think it is possible to use the cable already installed or should I run new cables??? (I'm not planning to use the IR receivers from the CK's).

Thanks for the advise, Erwin.
Post 2 made on Tuesday January 4, 2005 at 22:23
avintegrator
Long Time Member
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Posts:
March 2003
348
You will need to run new cable for a number of reasons, 1st with the daisy-chained wiring you can't spread out the keypads on the ct-610 so you may not have enough juice to drive the keypads, 2nd and what i consider important you won't get any feedback on the keypads (radio station, loudness, bass, treble, volume)

Just run new wire life will be better
Post 3 made on Tuesday January 4, 2005 at 22:25
Larry Fine
Loyal Member
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August 2001
5,002
(In my best Rainman voice:) "Yeah, daisy-chaining sucks!"
Post 4 made on Wednesday January 5, 2005 at 17:37
Impaqt
RC Moderator
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October 2002
6,233
Daisy chaining isnt even recomended for Crestron keypads...... Lutron Homeworks... SUre...... But Crestron.... No way... I suppose it could work but if that was installed by a professional installer, or recomened by a professional installer I would have some words with em.
Post 5 made on Wednesday January 5, 2005 at 18:11
Theaterworks
Founding Member
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April 2002
1,898
On 01/05/05 17:37 ET, Impaqt said...
Daisy chaining isnt even recomended for Crestron
keypads...... Lutron Homeworks... SUre......
But Crestron.... No way... I suppose it could
work but if that was installed by a professional
installer, or recomened by a professional installer
I would have some words with em.

Watch the thread drift now.....

We daisy chain Crestron wiring in lighting control situations when code or the code-makers requires conduit for the light switch locations. Rather than a myriad of pipes going back to a common point, we'll put up with daisy chain for that part alone. Major pain to troubleshoot, I can tell you.
Carpe diem!
Post 6 made on Wednesday January 5, 2005 at 23:43
Chad Otis
Long Time Member
Joined:
Posts:
January 2003
226
As a long-time Lutron dealer and a relative newbie as a Crestron dealer I have recently wondered about the concept of daisy-chaining Crestron light switches. Say I have 100 light switches in a Crestron setup. Is there any power or speed problems with this long of a daisy chain? The Lutron concept by nature forces a home run every four to eight devices which will naturally minimize delay times. Theoretically the 95th device on the Crestron chain can still talk back to the processor on a direct path, but what about network traffic if the other 94 devices are communicating at the same time?

FYI- I agree with AVIntegrator, home run the wiring or you will lose functionality from the CT processor.

This message was edited by Chad Otis on 01/05/05 23:49 ET.
Post 7 made on Saturday January 8, 2005 at 23:46
Caffeinated
Long Time Member
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August 2003
361
You need 1 cat 5 to each zones master keypad.

you can daisy chain (I beleive max 8) "slave" keypads off of the master . but this works best if the slaves are in the same zone. Any keypad can work different zones by programming the proper code set(s) but bk128 works the zone of that specific keypad. (same code/ programing for each keypad)

Trust me time spent running the new wires will easily be paid back in ease of programming



Post 8 made on Sunday January 9, 2005 at 15:54
Theaterworks
Founding Member
Joined:
Posts:
April 2002
1,898
On 01/05/05 23:43 ET, Chad Otis said...
As a long-time Lutron dealer and a relative newbie
as a Crestron dealer I have recently wondered
about the concept of daisy-chaining Crestron light
switches. Say I have 100 light switches in a
Crestron setup. Is there any power or speed problems
with this long of a daisy chain? The Lutron concept
by nature forces a home run every four to eight
devices which will naturally minimize delay times.
Theoretically the 95th device on the Crestron
chain can still talk back to the processor on
a direct path, but what about network traffic
if the other 94 devices are communicating at the
same time?

There would be a power issue at 100 devices, but the most I've done would be in the neighborhood of 20 (1 floor's worth in a mult-level home). No problems with traffic that I know of with light switch keypads; all of Crestron's traffic is on a single bus and the traffic for these items is single keypresses and LED feedback.
Carpe diem!


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