Digitrax BDL162 Manual - Página 3

Procurar online ou descarregar pdf Manual para Sensores de segurança Digitrax BDL162. Digitrax BDL162 13 páginas. Loconet occupancy detector

The BDL162 lets you know when a detection section on your layout is occu-
pied. This occupancy detection capability is the first step toward prototypical
control of your rolling stock, signaling, realistic surround sound effects and
realistic modeling of your layout. Installing the BDL162 on your layout is easy
and will make more prototypical operations possible.
The BDL162 uses digital signal processing (DSP) to give you occupancy
detection for 4 zones, A through D, each with 4 detection sections, for a total
of 16 detection sections. The number of BDL162s you use on your layout is
determined by how many areas of track you want to monitor and how automat-
ed you want your layout to be--more detection sections require more BDL162s.
On your Digitrax system, the BDL162 reports detection section occupancy to
the system via its LocoNet connection. This makes occupancy information
available for use by any LocoNet device hooked up to LocoNet. For instance,
the information can be used by the SE8/SE8c to set signals or by a computer
program for dispatch control. A BDL162 can also host transponder detectors
like the RX4 to let you implement Digitrax transponding for additional dis-
patcher control, surround sound or more layout automation.
On DCC systems without a Digitrax compatible LocoNet command station, a
BDL162 can operate using only the RailSync DCC signal from any DCC sys-
tem. In this case, the BDL16 can report detection information via a user-
installed LED display panel.
Following are some terms you might find useful as you work with the
BDL162.
Direct home wiring is a layout wiring method where each power district and
its booster is electrically isolated. The track within each power district uses a
"common return" wiring method for occupancy detection and/or power man-
agement. Direct home wiring is the wiring method recommended by Digitrax
for safety reasons & also because it makes detection work more prototypically.
Power district is the power wiring, track, components and equipment attached
to that wiring, driven by a single properly isolated booster. The track for a
power district is double gapped on both ends of the district. The BDL162 is
used to set up detection sections within one or more power districts.
Power sub-district is the wiring, components and equipment that are con-
trolled from both power bus wires by their own power management device, for
example a reversing section controlled by an automated reversing device like
the PM42. Power sub-districts are gapped on both ends.
Detection common is the common return used within a properly electrically
isolated power district for implementing occupancy detection.
Security element is the plant, including track, associated with any reporting,
©2002 Digitrax, Inc
www.digitrax.com
interlocking and/or signaling for that track section.
Whole layout common rail is a method of wiring layouts where power dis-
tricts and their boosters are connected electrically by a common rail or com-
mon power bus return wire. This method is traditionally used for conventional-
ly controlled layouts. The track feeds for one rail are connected together to one
output of the power pack. The other rail is gapped and the track feeds are con-
nected to the power pack through block control switches. Whole layout com-
mon rail wiring has a disadvantage when it comes to detection systems because
detectors are not able to independently monitor whether zone power is on or
off. There is no way to tell whether occupancy detection is actually working in
any given detection section.
Detection Section is a section of track gapped on one or both rails and con-
nected to an occupancy detector so that the detector can sense the presence of a
loco (or other specially equipped cars) in that section of track.
Occupancy detector is a device that senses the presence of a locomotive (or
specially equipped cars) in a section of track that is set up for occupancy detec-
tion. Occupancy detectors also provide feedback to indicate occupancy. This
feedback may be in the form of a lamp on a control panel or it may be a feed-
back message sent to the system that can be used by other layout devices. Also
called a block occupancy detector on conventional layouts. Detectors are not
covered by the DCC Standards or Recommended Practices.
Transponder is an electronic device that is installed in rolling stock and can be
assigned a unique address. Transponders provide information to transponder
detectors installed on the layout. This lets the system determine in which detec-
tion section the transponder is currently located. Transponders are included in
many Digitrax premium decoders. TD1 (transponder) & TL1 (transponder with
light output) are available as separate units that can be added to locos with
existing decoders or to other rolling stock without decoders if you want to use
them for transponding only and don't need motor control.
Transponder detector is an electronic device installed in a detection section
on the layout that receives the information broadcast from a transponder. The
transponder detector sends feedback to the system to let it determine the detec-
tion section location of any given transponder at any time. RX4 Transponder
detectors are hosted by the BDL162 and upgrade 4 detection zones of the
BDL162 to be transponder detection zones. In this case, each transponding
zone encompasses 4 detection zones.
The BDL162 is divided into four zones. Each zone supports 4 detection sec-
tions and each zone can be run from a different booster.
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©2002 Digitrax, Inc
www.digitrax.com
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