Model Train Technology G-Controller Bedienungsanleitung
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G-Controller™
OPERATIONS MANUAL
Version 1.1a
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INTRODUCTION
Video Instructions: https://youtu.be/FRAdZwGpwZQ
The Model Train Technology™ G-Controller™ provides an
extremely simple plug-and-play system for lighting and
animating G Scale block signals and RR Crossing Flashers.
• No Soldering
• No Computer
• No Programming
Our simplified system will provide great animation in just a
few minutes of installation time, not days or years and at a
fraction of the cost of elaborate CTC systems and no
programming is involved.
Summary of Precision Detector MAX Features:
• Long, precise sensor range (10 to 600 mm)
• No more adjusting for varying light conditions.
• Auto-calibration mode for precise range setting
• Detect one parallel track and ignore the others
• Adjustable time-out (0-30 seconds)
• Electrical box integrated design
• Includes a 2mm screwdriver.
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OVERVIEW
Each MTT G-Controller (“Controller”) stands on its own and is
triggered by a Precision Detector MAX™ sensor, mounted
either on the front or back of the main circuit board
depending on whether you have the battery or wired 12VDC
version. Our Precision Detector™ technology was
incorporated in the Controller design using a cousin of the
earlier chip for range detection. The chip for the G-Controller
has a longer range but otherwise has the same characteristics
as our standard detector. This is not an IR sensor, so it is not
affected by the typical and difficult lighting conditions of
indoor or outdoor layouts, including when facing into the sun.
You can connect additional Precision Detectors to the
Controller to extend detection areas or catch East/West traffic
for crossing signals.
When the Controller is tripped by the sensor, it starts a display
(aspect) cycle that begins with red. While the sensor shows
occupied, the Controller will stay red. Once the block
(detector) is cleared, the Controller will start a change of light
sequence based on one of the options shown below. The time
between stages can be adjusted on the Controller.
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The Controller has four outputs that are synchronized to the
selected aspect behavior. You can adjust the brightness of
each of the outputs individually. This lets you set the
brightness appropriate to your layout. You can also
individually adjust each of the different colored LEDS. The
typical colors of the LEDS (Red, Yellow and Green) do not glow
at the same brightness with the same voltage. The Controller
allows you to adjust them to your liking. No resistors are
needed! The Controller supports both common anode and
cathode (UNIVERSAL version only).
The Controller allows you to set the speed by which the
Aspect (colors) shifts from Red to Yellow to Green after the
train has passed and the block is unoccupied. You can make it
occur almost immediately, or you can set it up to 30 seconds.
Each Controller has its own speed adjustment
The Controller has eight distinct behaviors that are set with
the single push button. The time between stages is set with
the screwdriver(provided) and trim screw. They are:
• Red, Green
• Red, Yellow, Green
• Red, Yellow, Yellow flash, Green
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• R, R&Y, G&Y, Green
• R, R&Y, R&Y-Flash, G&Y-flash, Green
• Red, fade to Yellow, fade to Green
• Alternate flash Red & Green (speed adjustable) *
• Alternate flash R & G with fade (speed adjustable) *
*For use with gate crossings.
There are two types of controllers:
1. Battery Powered
2. 12VDC Powered
Functionally, they are identical.
The Controller for LEDs operates at 7.4v (Battery) or 12VDC.
The LEDs are powered up to 5VDC but there are built in
resistors to limit the current to “safe” levels for the LEDs we
use in our signals. The Controller can light two LED block
signals each with three 2-5v LEDS or up to four Crossing
Flashers.
The circuit board has been coated with a Conformance coating
to reduce oxidation on electrical components.
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LATCHING (Clear-to-Proceed)
While not a true CTC signaling system, there is one feature
that will give the appearance of one – without the complexity.
In short, if you connect the Signal wire of the G-Controller
from the block ahead to the LATCH terminal of the G-
Controller of the block behind, while the block ahead is
occupied the block behind will wait at the last aspect before
green. Once the block ahead is clear, the G-Controller of the
block behind is “released” and will turn green. You can daisy-
chain as many latching connections as you like.
Here Is the wiring for Latching:
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G-Controller Circuit Board
P2 -Sensor Timeout &
Brightness adjustment
P1 - Aspect Changing
Speed adjustment
P3 -Detect Range
adjustment
Select Button
Battery ON/Off
Signal Out
Ground/Common
Latch IN terminal
Detect IN terminal
RED
YELLOW
GREEN
CENTER
COMMON/GND
BATTERY OUT for
Battery Version and
12VDC In for NON-
Battery version
Shed Light
Connector
Blue
Indicator
LED
The circuit board components are exposed when you handle the board outside of the case.
Be as careful as you can not to touch the components themselves and avoid static electricity.
DO NOT CONNECT 12VDC to the BATTERY VERSION of the G Controller. IT WILL FRY THE BOARD
SENSOR
LED output
voltage Jumper
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SETUP AND OPERATION
If battery powered, slide the battery power switch into the
UP/ON position. Otherwise, activate your 12VDC supply.
After 1 second the blue indicator LED will flash four times
rapidly and the green LED will light.
If you put your hand or an object in front of the sensor, the
blue LED will light, and the Controller will change the aspect to
RED (Occupied).
The default range on the sensor is set to a max range of 600
mm or about 20 inches. The Zone mode is STANDARD, which
means anything in the range of the sensor will be detected.
The Aspect SPEED is set low (fast speed) so that you can
quickly see the aspect change when you move away from the
detection zone of the sensor.
To Slow down the rate of aspect change, turn the P1 trim
potentiometer (trimPot) to the right (increasing time) using
the small screwdriver provided.
The sensor timeout is also set to low (immediate) so that
when you move away from the sensor it times out
immediately. That is shown by the blue LED turning off.
Adjusting the P2 Sensor Time Out allows you to delay when
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the Controller is released after the train passes. For example,
the train could pass, and the controller might wait 20 seconds
(stay RED) until it starts the aspect timer. This helps to
increase realism of the signal changes.
Another reason to use the time out adjustment is to AVOID
the sensor going off when it sees a gap between train cars.
The sensor is very precise and fast. This effect is less
pronounced if the sensor is near its max range from the track
but may occur if the sensor is close to the track. Increasing the
timeout to 1-2 seconds helps to avoid this situation.
SELECTING A SIGNAL BEHAVIOR (ASPECTS)
You push the Select Pushbutton the number times needed to
select an option according to the table below. Once you stop
pushing the button the Controller will wait 2 seconds and then
all the LEDs will turn off. One second later the green signal
LED will blink the number count matching the button pushes.
PUSHES
SIGNAL BEHAVIOR
2
Red, Green
3
Red, Yellow, Green
4
Red, Yellow, Yellow flash, Green
5
R, R&Y, G&Y, Green
6
R, R&Y, R&Y-Flash, G&Y-flash, Green
7
Red, fade to Yellow, fade to Green
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