Train-Tech SH4 User manual

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See our website, your local model shop or contact us for a free colour brochure
DCP Microdevelopments, Bryon Court, Bow Street, Great Ellingham, NR17 1JB, UK
Telephone [phone] • email [e-mail] • www.dcpexpress.com
www.Train-Tech.com
SH4 Signal Head kit
SH4: 3 aspect Red • Yellow • Green
Home Distant colour light signal head
•OO Signal head with prefitted LED lights
•Ideal for Gantries, Platforms, Posts etc
•Soldering is required for wiring to head
•Kit includes wire, resistors, instructions
Track Tester
• Quickly checks track for power faults
• Small & Larger Versions - for N gauge to G gauge!
• Multicolour LED Indicates the DC polarity, or DCC, or a fault
DCC Fitted Digital Signals
• Signal with DCC decoder built in - No CV programming
• Easy to fit and use - can just plug direct into track – no wires!
• Wide range available - also available with Feathers and Theatres
One-Touch DCC™ Point Controllers
• Control points and uncouplers using DCC
• Work with most solenoid point motors - Built in CDU
• Just connect 2 wires to DCC rails - No CV Programming!
• Easy screw terminals – no soldering
Signal Controllers
• DCC Signal Controllers - Wire in any LED signals to control from DCC accessory address
• Automatic Signal Controllers - Make any LED signal kit into an Automatic Signal!
• Dapol Semaphore Controllers - Control Dapol Semaphores by DCC or automatically
Buffer Lights
• Realistic stop light for any siding - fits most buffer stops
• Simply clips onto track – No wires!
• On DCC both lights are on constantly
• On DC one light is on & varies with speed
Automatic Tail, Firebox & Loco Lights
• No switch - senses motion & turns on!
• Turns off automatically 4 minutes after stopping
• No pickups, wires or soldering - LED just plugs in
• Fit in brake vans, coaches, loco, wagons etc
• Runs for ages on 2032 button battery - LEDs & battery included
LFX Lighting Effect Controllers
• Easy way to add lighting effects to your layout
• Wires screw in – no resistors or soldering - LEDs included
• Powered by 9v battery, 8-16V DC or DCC
• On DC the effect is on when powered - On DCC it can be controlled
Signal Kits
1119
Automatic Coach Lighting
• Easy to fit - no wiring or switch - senses motion & turns on!
• Turns off automatically - fits most coaches - may be cut down
• No pickups or wires so works on regular DC & DCC
• Traditional warm white or modern cool white
• Also with tail light, sparking, door beeps and door light effects
Servo Controller
• Controls standard radio control servo from DCC, Track Sensor or Mimic switch
• Ideal for animating Level Crossing barriers / gates, Slow points or signals, Coal hopper
• Easy to wire and set up - connects directly to DCC or 8-16 volts smooth DC supply
Automatic Sensor Signals
• Detects train and changes signal automatically to red
• Used own & signal changes back to green after train short time
• Or link to other Sensor Signals for fully automatic block signalling
• Can be used on both DC & DCC - Feather & Theatre versions
Sound for your layout
SFX Sound
Sound Track
Scenic Sounds
• Low cost – adapt to your own design
• Control by switches or signal controller
• LEDs are prefitted to a narrow PCB
• Ground signals - modern & original
• Feather & Theatre kits available
• Signal Head only for gantries etc
Every kit includes the
signal head, aluminium
post & base plus
detailing kit
Smart Lights - Easy to fit Lighting Effects
Level Crossing - Ready Assembled
• Power from 9-16v DC, DCC or a 9v battery - available in single & pairs
• Light and sound - all connections easy push fit
• Includes 2 x Peco static level crossing barriers
• Can be turned on automatically using a Track Sensor
Track Sensor
• Trigger level crossings and change semaphore signals
• Power from 12-16v smooth DC or DCC
• Can be used to trigger Sound Track, Smart Screen, Relays
• Four outputs for direct connection to LEDs for occupancy, FX
Smart Screen
• Real working animated screen - customise with your messages
• Use DCC to program - then can be run on DC or DCC
• Trigger messages with DCC, swtiches, track sensors or just cycle
• Message can change with direction of train on both DC & DCC
• Display upto 10 different messages - can also show real time clock
• Range of enclosure available - Programming service available
• Small - w 31mm x h 9.5mm x d 4.5mm
• Stationary top line - bottom line automatically scrolls
O & G
Gauge OO
HO
DC &
DCC N
Gauge
DC &
DCC OO HO
O
Gauge N
Gauge
WIRE
FREE
OO
HO
WIRE
FREE
DCC
ANY
GAUGE
DCC
DC &
DCC
ANY
GAUGE
DC &
DCC OO HO N
Gauge
Traffic Lights - Ready Assembled
• Power from 9-16v DC, DCC or 9v battery - 2 Wire connection
• Realistic standard UK sequence and timing varies randomly
• Fully assembled - drill hole in baseboard & connect to power
DC &
DCC OO
HO
DC &
DCC OO HO N
Gauge
Mimic Switches & Lights
• Make a mimic panel to control Layout Link items - Single wire to control
• Link to Track Sensors or Sensor Signals and LEDs show occupancy & signal status
• Link to Sensor Signals to manually override and switch route indicators on/off
DC &
DCC
ANY
GAUGE
Smart Lights - Easy to fit Lighting Effects
• Small - Just 1cm x 1cm x 0.3cm with 2 wires
•Power by 9-16v DC, 9v battery, or direct to DCC which can control some effects
• Just connect and go - no setting up required
• Disco / Emergency / Real Fire / TV / Welding / Random / Programmable
DC &
DCC
ANY
GAUGE
DC &
DCC
ANY
GAUGE
AUTO WIRE
FREE
DC &
DCC
ANY
GAUGE
AUTO WIRE
FREE
• Sound capsule with no wires - runs from a battery - built in speaker
• No connections to track so work with both DC & DCC
• Motion activated - switches on when train moves! Real Sounds!
• Tiny - 25mm x 20mm x 12mm - N gauge fitting guide available
• Record your own sounds and play them back on your layout!
• Record 4 tracks upto 35 seconds each - Lock to protect favoutires
• Portable - use with 9v battery to take out & record sounds
• Power from DC or DCC - Use Track Sensors or DCC to trigger sounds
• Background sounds for your layout - built in speaker & volume
• Power from DC or DCC - on DCC sounds can be triggered
• Lineside • Station Steam • Station Modern • Urban • Rural
DC &
DCC OO HO
DC &
DCC
ANY
GAUGE
AUTO
DC &
DCC OO HO
WIRE
FREE
DC &
DCC AUTO OO HO N
Gauge
WIRE
FREE
SEE WWW.TRAIN-TECH.COM OR ASK FOR FREE COLOUR BROCHURE
Relay Controller
• Two channel Relay unit which can be controlled by Track Sensor, Sensor Signal or DCC
• Enables remote control of motors, solenoids, lamps etc
• Incorporates two heavy duty relays with changeover contacts rated at 8-24 volts at 3 A
Automatic Train Control
• Link Sensor Signals to Relay Controller for automatic trains which stop at red lights!
• Can be used on DC or DCC Layouts
• Easy wiring: Sensor Signal link with one wire and Isolated braking section two wires.
• Also supports ABC fitted DCC Loco’s for gradual slow down and speed up with sound
Tools, LEDs & Accessories
• We offer a range of LED packs, battery holders, wire, switches & terminals
• Also handy modelling tools including precision cutters, drill bits & spare batteries
ANY
GAUGE
DC &
DCC OO HO
DC &
DCC
ANY
GAUGE
DC &
DCC
DC &
DCC
ANY
GAUGE
ANY
GAUGE

Common -
Red +
Yellow +
Green +
Before gluing the front and rear
head cases together around the
PCB, decide which way up the
signal is going to be mounted so
that you fit the cable exit slot of the
rear cover in the right position.
If you have also fitted a theatre or
feather route indicator use the rear
casing with slots at both ends.
1kΩresistor
Wiring the signal head
The LEDs are presoldered to the head PCB and
connection to them is made via the solder ‘pads’ on
the back of the PCB. Your signal head is supplied
with fine coloured wires which we suggest using for
the connections, however be careful to only apply a
small amount of solder to the joint to keep it slim,
otherwise the rear cover may not fit flush.
Important: Make the solder joints quickly as
excessive heat can damage or remove the LEDs
Controlling the signal
Before connecting the signal head to power, it is
important to note that the LEDs are only rated at
low voltages of around 2 volts, so you must
always use a resistor in series with the signal
head and 12-16 v supply unless using it with a
Train-Tech Signal Controller with built in resistors.
Control from DC using a switch
Using LEDs with model railways
The lights used on this signal head are called LEDs.
LEDs are really useful lights which, unlike their
conventional filament predecessors, are robust, low
power and if used correctly run cool and can
effectively last forever.
But there are some important considerations when
using LEDs. Firstly LED stands for Light Emitting
Diode and a diode is an electronic component which
only works in when power is applied in one specific
direction, so they always need to be fitted the
correct way round to work correctly.
Also most standard miniature LEDs a modeller will
use only need very small amounts of power, so the
current flowing through the LED must be limited and
this is usually done by a resistor as supplied in this
kit. On the usual 12-16 volts DC supply a railway
modeller uses a 1kΩ(one thousand ohms) will limit
the current to around 10-14mA (mA is thousandths
of an amp) which is ideal for most LED’s.
Note you should only ever use LEDs on a DC (direct
current) supply and never an AC (alternating
current) supply because although the LED may
appear to work properly constant reversal of voltage
using AC will eventually damage or shorten its life.
Train-Tech offers packs of various LEDs for
modellers and again these always come with both
instructions and suitable resistors for using them on
a standard Model Railway DC supply or non Train-
Tech DCC controllers.
Using Signals with Train-Tech DCC controllers
Train Tech offer various LED controllers including
the SC1 and SC2 DCC signal controllers which
allow signals such as this to quickly and easily
connect to DCC layouts for control by Digital
controller or computer. They are quick to connect
needing no resistors or soldering and set up in
seconds with no programming of CV codes.
As well as Signal Controllers, Train-Tech also makes
a range of LFX LED lighting controllers which work
on both DC and DCC and offer effects to simulate
level crossings, welding, traffic lights etc - again
resistors are built into all of the LFX units and so
LEDs connect directly to them.
See www.train-tech.com for full details.
SH4 Home/Distant Red-Yellow-Green self assembly signal head kit
CAUTION - ALWAYS SWITCH OFF POWER TO YOUR LAYOUT BEFORE CONNECTING OR DISCONNECTING ANY ACCESSORIES
This Self assembly signal head kit contains an LED Light circuit board, head casing and resistor to make a Colour Light signal designed for
use on OO/HO gauge model railways - please read these instructions before assembly and connecting to power.
Introduction
Contents
1 Signal Head LED PCB (printed circuit board)
1 3 aspect front light head
1 3 aspect rear cover for standard signal
1 3 aspect rear cover with feather / theatre slot
1 1KΩresistor (Colour:Black Brown Red Gold)
4 Fine coloured wires for the connections
1 Instruction leaflet
Recommended tools (not included)
Fine tip soldering iron: 18 - 25 watt, solder
Sharp craft knife or cutters to trim mouldings
Adhesives to suit plastic (eg liquid poly)
Magnifier
Thank you for purchasing one of our Colour
Light Signal heads. They are ideal for mounting
on gantries or on your own signal posts and will
match the standard Train-Tech signals which
are available as kits, DCC fitted or Automatic
Sensor signals.
You can either control this signal head using
conventional lever frame or toggle type
switches or connect it to a DCC decoder to
control it from a digital controller or computer.
Or you can connect it to the SC100 Automatic
signal controller which has a built in sensor and
controls an LED signal wired to it, either on its
own or as part of a block signal system.
Full details in the free Train-Tech brochure or
online at www.train-tech.com.
Take extra care when using
tools and adhesives.
!
1
Wiring advice
Electrical connection to the signal is via copper
‘pads’ on the back of the LED signal head PCB.
These pads are made from thin copper bonded to the
fibreglass and then ‘tinned’ to ensure reliable and
easy connection.
The best method of connection is by soldering wires
onto these pads using a small tip soldering iron of
18-25 watts, taking care not to apply heat for too
long. Note that if you pre-tin the wires before
soldering them onto the pads you will find that the
solder will flow much more easily to make a secure
joint quickly.
Make sure you only put a small amount of solder on
the pads as the rear cover of the signal head comes
quite close.
Finally do not forget to fit a resistor in series with the
signal head as shown before powering up your new
signal!
Construction advice
The plastic front and back covers in this kit is
made of a blend of mainly ABS which is slightly
more forgiving and less brittle than the polystyrene
often used for plastic kits. However it can be glued
together using most general model kit adhesives
such as Humbrol or Revell Liquid Poly - be sure to
follow instructions for application and safety
supplied with the adhesive.
You can use cynoacrylate ‘superglue’ but be
careful to ensure it has plenty of air while it cures
otherwise it can leave a cloudy white ‘plume’
around the joints.
Mounting the signal head
The signal head can be fixed to a gantry, post,
bridge etc using a suitable adhesive.
Before fixing the head in position, plan where you
can going to run and conceal the connecting wires
- it may help to paint the wires before fitting to help
disguise them in areas which can be seen.
2 3
- Negative
+ Positive
12-16 volts DC
power supply
R
G
3 way Switch
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
AD CA DA ES EN GE GY MY PN NW
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Location board labels
These legends can be cut out and located near to
the signal. If using DCC to control your signal head
we suggest you use the address you have
programmed into your signal decoder which will
make the signal easier to identify and operate.
Y
Wiring suggestion for switch
Document Ref D779676/1
3 aspect head rear PCB connections
Common - negative
(note Common pad is larger than the others)
Feather/Theatre* LED +
Green LED +
Yellow LED +
Red LED +
The large pad is the common negative (-) terminal
and the other pads are terminals for the colours.
*There is also an extra pad for an optional feather
or theatre which may be fitted to the signal head.
This should be soldered to the larger common pad
on the back and the small square solder pad on the
LED side - be careful NOT to touch the nearby LED
connection! (Train-Tech Part No LK1, RK1, TK1)
Fitting the casing around the head
Control from Signal Controllers
Signal heads can also be connected and
controlled by DCC Signal Controllers like the
Train-Tech SC2. The SC100 is an Automatic
signal controller which has a built in train sensor
and controls 2, 3 or 4 aspect LED colour light
signal wired to it, either on its own or as part of a
block signal system with other automatic signals.
Green
Yellow
Red