Qdecoder Z2-8

z2 8plusThe Qdecoder Z2-8-series can be used to switch (motorized and magnetic driven) turnouts as well as lights that are switched against a common positive or negative return conductor. It has 8 function outputs, which means that e.g. four motorized driven turnouts can be connected an switched. Of course it can also be used for all other purposes like controlling light installations including light signals.

The 8 terminals can be connected - also in mixed configurations - to:

  1. up to 8 motoric turnout drives
  2. up to 8 lamps or LEDs, switched to the anode or cathode
  3. light signals with up to 8 bulbs (common anode or cathode supported)
    The Z2-8 with Signal-addon supports the complete signal books of various railways
  4. ...

Important characteristics

download manual
Size 60 x 40 mm
Protocols DCC
Function outputs 8
Voltage Track signal : 7 ... 27 V
Transformer connector : 12 ... 18 V DC, AC or track

Permanent current: 8 x 2 A (2 A total)

In case of higher current, changeover to pulsed operation (up to 1.5 seconds), afterwards cut-off of the decoder.

Connector screw terminals, separate tracks and transformer connector
Track gauge

Suitable for all track gauges

Error and programming display via LED
Programming via   
Program button yes yes yes
(DCC-) configuration variables in service mode (program track) yes yes no
(DCC-) configuration variables on the main track via the (first) accessories address (PoM mode for accessories decoder) yes yes no
(DCC-) configuration variables on the main track via the (first) locomotive address (PoM mode for function and locomotive decoder) yes yes no
Operation mode of the function outputs
Continous operation( (light signal) yes yes yes
Number of outputs that are switched together ('signal aspects') any 1 or 2 2
Impulse operation (turnout drives) yes yes yes
Flashing operation (permanent) yes yes no
Pulsed operation (temporary flashing) yes yes no
Alternative flashing yes yes no
Free programmable (e.g. as signal aspect generator) yes no no
Dim separately yes yes no
einzeln Auf- und Abblendzeit einstellbar yes yes no
Switched by
Accessories commands yes yes yes
Accessories addresses 8 user defined 8 user defined 4 successive
Function buttons of locomotive addresses yes yes no
Number of locomotive addresses 4
(short or long locomotive address, short or long composite address and two additional)
(short or long locomotive address and composite address)
Number of supported function buttons 28 + light ("F0") 12 + light ("F0") -
Switchable in sequence mode yes no no
Number of sequence steps 50 - -

Free programmable (user defined switch combination)

yes no no
Numer of program CVs 400 - -


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