DS44
Stationary Decoder for use with 4
slow motion turnout machines
Features
n Simple hook up and set up
n Control 4 individual slow motion turnout machines, such as Tortoise by
Circuitron. DS44 will not work with Solenoid type turnout machines.
n Turnout addresses can be set individually or in groups of 4 (quick set up).
n DCC compatible
Parts List
1 DS44 Stationary Decoder 1 Instruction Card
Installation Instructions
QUICK SETUP (Sequential addresses)
1. Turn off track power.
2. Connect the red and black wires from the non-harness end of the DS44 to
the track.
3. Temporarily connect the white wire from the DS44 harness to the same rail
as the black wire.
4. Turn on track power.
5. Choose a group of 4 switch addresses according to TABLE I. Using your
throttle, send a SWITCH command to any switch address in the group.
This sets the DS44 to control that particular group of 4 switch addresses and
the turnout machines attached to them.
Example: Operate turnout #6. this will set up the DS44 to control switch
addresses A=05, B=06, C=07, D=08.
6. Disconnect the white wire from the track and fold it away so that it can’t
make contact with the track.
7. Consult the wiring directions for the slow motion switch machine you are
using and wire according to the diagram in Figure 1.
©2012 Digitrax, Inc. www.digitrax.com 1
Complete Train Control
Run Your Trains, Not Your Track!
All Scales
DS44
Stationary Decoder for use with 4
slow motion turnout machines
Features
n Simple hook up and set up
n Control 4 individual slow motion turnout machines, such as Tortoise by
Circuitron. DS44 will not work with Solenoid type turnout machines.
n Turnout addresses can be set individually or in groups of 4 (quick set up).
n DCC compatible
Parts List
1 DS44 Stationary Decoder 1 Instruction Card
Installation Instructions
QUICK SETUP (Sequential addresses)
1. Turn off track power.
2. Connect the red and black wires from the non-harness end of the DS44 to
the track.
3. Temporarily connect the white wire from the DS44 harness to the same rail
as the black wire.
4. Turn on track power.
5. Choose a group of 4 switch addresses according to TABLE I. Using your
throttle, send a SWITCH command to any switch address in the group.
This sets the DS44 to control that particular group of 4 switch addresses and
the turnout machines attached to them.
Example: Operate turnout #6. this will set up the DS44 to control switch
6. Disconnect the white wire from the track and fold it away so that it can’t
make contact with the track.
7. Consult the wiring directions for the slow motion switch machine you are
using and wire according to the diagram in Figure 1.
©2010 Digitrax, Inc. www.digitrax.com 1
Made in U.S.A.
306-2001-0000
2443 Transmitter Road
Panama City, FL 32404
www.digitrax.com
T 850-872-9890
F 850-872-9557
DS44
Stationary Decoder for 4 Slow Motion Turnouts
Individual Address Set Up (Non Sequential Addresses)
1. Turn off track power.
2. Connect the red and black wires from the non-harness end of the DS44 to
the track.
3. Temporarily connect the white wire from the DS44 harness to the same rail
as the red wire.
4. Turn on track power.
5. Using your throttle, operate the 4 switch addresses you want to set for the
D44. The first switch address you operate sets the address of DS44 Output
A, the second sets the address of Output B, the third Output C & the fourth
sets Output D.
Example: Operate switch addresses 06, 13, 25 & 105. This will set the DS44
to control switch addresses A=06, B=13, C=25, & D=105.
6. Unhook the white wire and fold it away so it can’t touch the track.
7. Consult the wiring directions for the slow motion turnout machine you are
using and wire according to the diagram in Figure 1.
Digitrax gives a one year “No Worries" Warranty against manufacturing defects and
accidental customer damage on all Digitrax products.
Visit www.digitrax.com
for complete warranty details.
Slow Motion
Turnout
Machine
A
Slow Motion
Turnout
Machine
B
Slow Motion
Turnout
Machine
C
Slow Motion
Turnout
Machine
D
Purple +
Black -
Gray +
Yellow -
White
Blue +
Orange -
Red +
Green -
Black
Red
Harness End
Polarities shown are with
the switch in the "closed" position.
Connect to either Red or Black
for Setup (See Instructions)
Made in U.S.A.
Individual Address Set Up (Non Sequential Addresses)
1. Turn off track power.
2. Connect the red and black wires from the non-harness end of the DS44 to
the track.
3. Temporarily connect the white wire from the DS44 harness to the same rail
as the red wire.
4. Turn on track power.
5. Using your throttle, operate the 4 switch addresses you want to set for the
D44. The first switch address you operate sets the address of DS44 Output
A, the second sets the address of Output B, the third Output C & the fourth
sets Output D.
Example: Operate switch addresses 06, 13, 25 & 105. This will set the DS44
to control switch addresses A=06, B=13, C=25, & D=105.
6. Unhook the white wire and fold it away so it can’t touch the track.
7. Consult the wiring directions for the slow motion turnout machine you are
using and wire according to the diagram in Figure 1.
Digitrax gives a one year “No Worries" Warranty against manufacturing defects and
Slow Motion
Turnout
Machine
A
Slow Motion
Turnout
Machine
B
Slow Motion
Turnout
Machine
C
Slow Motion
Turnout
Machine
D
Purple +
Black -
Gray +
Yellow -
White
Blue +
Orange -
Red +
Green -
Black
Red
Harness End
Polarities shown are with
the switch in the "closed" position.
Connect to either Red or Black
for Setup (See Instructions)
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