Decoder setup
• Connect the terminals Gleis to the digital signal (tracks). Use
twisted-pair cables.
• The terminals labeled Trafo supply energy to the decoder. These
terminals are either connected to the digital signal as well (as
shown on the right) or to an external AC or DC voltage between 12
and 18 V (left).
• Connect the turnout drives to the terminals labeled “Weiche 1” to
“Weiche 4”.The turnout drives are connected as follows:
Motors are connected to terminals and .
Turnout drives of LGB or Piko are wired the same way.
Using a Conrad motoric turnout driver connect both brown cables to one terminal
of the decoder and the red one to the other terminal.
Connect both the yellow and pink cable of Tillig turnout drivers together to one
terminal of the decoder and the red cable to the other terminal.
Weiche 1
A0 A1
Weiche 2
A2 A3
Weiche 3
A4 A5
Weiche 4
A6 A7
1
M
2
34
• The blue and the brown terminal are usually left open.
There is no short circuit protection between the decoder outputs
and the track signal! Short circuits can destroy the decoder.
Wei/Sig 1
A0 A1
Wei/Sig 2
A2 A3
Wei/Sig 3
A4 A5
Wei/Sig 4
A6 A7
Trafo
Gleis
2011
Wei/Sig 5
A8
A9
Wei/Sig 6
A10A11
Wei/Sig 7
A12A13
Wei/Sig 8
A14A15
digital signal
(tracks)
AC / DC
source
Wei/Sig 1
A0 A1
Wei/Sig 2
A2 A3
Wei/Sig 3
A4 A5
Wei/Sig 4
A6 A7
Trafo
Gleis
2011
Wei/Sig 5
A8
A9
Wei/Sig 6
A10A11
Wei/Sig 7
A12A13
Wei/Sig 8
A14A15
digital signal
(tracks)
AC / DC
source
Switching of motoric drives with only one decoder output and the track
signal is not possible with a Z2-8N. Use an Z2-8 (continous mode) or a
Z2-8+ (also in pulse mode) instead. Switching of turnouts with an extra
key button in parallel to the decoder output is not possible with a Z2-8N.
• Now you are ready to congure digital addresses and the
switching duration:
1. Choose an address for the turnouts or signals which should be
switched with your decoder. Using the programming button you
can select addresses like 1,5,9 and so on for the rst pair of
outputs. The other output pairs will be set automatically to the
following addresses.
2.Select the duration of the output pulse. For most
electromagnetic devices (e.g. LGB drives) ¼ second is appropriate.
Turnouts with auto shut off can be operated in continuous mode.
3. Now press the programming button
for one second, until the LED lights.
Release it afterwards. The decoder
entered programming mode.
Pressing the button again briey
nishes the programming mode.
address duration of pulse command
1st turnout
congured to
address 1
¼ second address 1
½ second address 1
1 second address 2
2 second address 2
continuous mode address 3
1st turnout
congured to
address 5
¼ second address 5
½ second address 5
1 second address 6
2 second address 6
continuous mode address 7
4.Send a digital command using your digital control according
to the previous table. Higher accessories addresses
can be congured by a programming command to
the „appropriate“ address group.
Example: To congure the rst turnout to address 201
and switching with 1 second pulses send the command
„address 202 “ .
5.If the decoder accepted a valid digital command the LED will
switch off. The decoder is now in the normal operation mode.
The Z2-8N is factory programmed to accept DCC commands and
switches the outputs with the addresses 1-4 with a duration of
¼ seconds. You can change to Motorola format sending a corre-
sponding command.
In pulse mode only one output will be switched at a time to avoid
high current spikes. Multiple switching commands are always
processed successively waiting for the congured pulse time to
expire.
Overload and short circuits
Qdecoder are protected against short circuit and over current
at the outputs. If the current rises above 2 A the outputs of the
decoder will be switched off and can only be reactivated after
resetting the decoder.
In case of an over current the LED ashes once for each function
output (A0 to A7) and afterwards stops ashing. Short ash
pulses show non-critical outputs, while long ash pulses indicate
an output, which should be checked.
In this case do the following:
1. Check and remove the cause of the short circuit.
2. Press the programming button briey or use the stop button
on your digital control to restart it. The conguration of the
decoder will not be changed.
Wei/Sig 1
A1
Wei/Sig 2
A2 A3
Wei/Sig 3
A4 A5
Wei/Sig 4
A6 A7
Trafo
2011
Wei/Sig 5
A8
A9
Wei/Sig 6
A10A11
Wei/Sig 7
A12A13
Wei/Sig 8
A14
Prog
Z1-16
decoder
programming
button
LED
