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Inside the 16 inch countdown pedestrian signal Here's the interior of the countdown signal. Very basic here, everything is self contained in the LED module mounted to the door. There is a hole on the module with several dip switches in it so I can select different modes for the signal. The inside of the housing has a simple 3 position terminal strip that connects the walk, don't walk, and neutral leads from the LED module to the field wiring going to splice box, then to the cabinet. Keywords: Traffic_Lights

Inside the 16 inch countdown pedestrian signal

Here's the interior of the countdown signal. Very basic here, everything is self contained in the LED module mounted to the door. There is a hole on the module with several dip switches in it so I can select different modes for the signal. The inside of the housing has a simple 3 position terminal strip that connects the walk, don't walk, and neutral leads from the LED module to the field wiring going to splice box, then to the cabinet.

DSCN3368.JPG DSCN3358.JPG DSCN3359.JPG DSCN3360.JPG DSCN3361.JPG
File information
Filename:DSCN3359.JPG
Album name:basilicon89 / Traffic Lights
Keywords:Traffic_Lights
Filesize:131 KiB
Date added:Jan 07, 2011
Dimensions:986 x 740 pixels
Displayed:211 times
Color Space:sRGB
Contrast:0
DateTime Original:2011:01:07 14:47:07
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/60 sec
FNumber:f/2.8
Flash:Red Eye, Auto-Mode
Focal length:6.2 mm
ISO:100
Light Source:Unknown: 0
Make:Nikon
Max Aperture:f/2.8
Model:COOLPIX L11
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=4581
Favorites:Add to Favorites

Comment 1 to 11 of 11
Page: 1

Tmcdllr   [Feb 05, 2011 at 07:56 AM]
What are the different modes?
basilicon89   [Feb 05, 2011 at 07:39 PM]
My model only has a few modes
Counting in clearance (flashing don't walk)
Shut off Counting timer
Test counter (displays 88 steadily to check each segment)

Other countdown pedestrian signals have modes like
Count down during walk (not allowed by the MUTCD)
Flash the numbers while flashing the hand in clearance
Display and hold 0 instead of darking the numbers on solid hand
Test each segment one by one

Those are all the modes i can think of other than the original design...counting during clearance (flashing hand)
rlshieldjr   [Feb 05, 2011 at 11:34 PM]
We have Dialite countdown peds.
basilicon89   [Feb 06, 2011 at 01:27 AM]
Dialight stuff is what we use here as well. A few are GE GT1. This brand is Quixote (pronounced kee ho tee)
joe_347V   [Feb 06, 2011 at 02:15 AM]
Hmm I've always thought additional wiring was needed for a countdown.
basilicon89   [Feb 06, 2011 at 02:38 AM]
nope. all self contained.

Now on countdowns that are in a seperate section (like top and bottom 12 inch sections) the seperate countdown module has 3 wires, and the seperate hand/man module has 3 wires. And you simply tie both oranges together for counting in flashing, tie both blues together to count in walk, and obviously tie all neutrals.
joe_347V   [Feb 06, 2011 at 02:51 AM]
Thanks, How does the countdown know how much time is left though?
basilicon89   [Feb 06, 2011 at 04:06 AM]
The countdown is able to learn the length of the flashing hand by counting the amount of seconds the hand is flashing. The very first cycle the counter is dark (it's learning) then every cycle after it displays the numbers. If I happen to retime the signals at the controller cabinet. The counter goes dark again while it learns the new times. Very high-tech unit the counting memory is all self contained in the LED module.
Tmcdllr   [Feb 06, 2011 at 07:24 AM]
Wow that's really cool!
joe_347V   [Feb 06, 2011 at 05:57 PM]
Wow, Thanks for the explanation.
basilicon89   [Feb 06, 2011 at 09:01 PM]
your welcome and yes, this is one of my favorites in my collection.

Comment 1 to 11 of 11
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