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Power 2 for conventional control 

Power 2 can be used together with hand 
controllers FRED or DAISY and conrol panels IB-
Control or Profi-Control to control conventional 
DC locomotives. 
The locomotives are controlled using pulse width 
modulation which permits extremely slow running.  
As in digital control, inertia, shunting and the 
operation of bell armature motors can be 
independently set up for each track circuit. 
Up to 63 individual track circuits can be 
controlled, however they have to be controlled by 
their own individual Power 2.  All Power 2 are 
connected with each other by LocoNet cables. 
Every controller connected to this chain of 
devices can independently control any of the track 
circuits by simply selecting its identification 
number.  When the locomotive leaves for the 
adjacent track circuit the actual settings can 
‘come with’ the locomotive. 
It is possible to use Power 2 to control turnouts, 
signals and routes without disturbing the 
operation of the locomotives. 
The following Uhlenbrock devices can be used 
alone or in combination to control analogue 
locomotives: 

 

DAISY handcontroller 66 200 

 

FRED handcontroller 66 000 

 

IB-Control 65 200 

 

Profi-Control 65 500 

Wiring 

On a conventional layout each Power 2 uses its 
own transformer and is connected to its own 
section of track. 
Interconnect the Power 2 by connecting the 
LocoNet socket of the ‘new’ Power 2 to the vacant 
DAISY socket in the existing system.  Up to 63 

devices (track corcuits) can be connected that 
way. 
Hand controller (Fred, DAISY) and control panel 
(IB-Control, Profo-Control) are connected to the 
vacant LocoNet socket in the last Power 2. 

Note:  

The total current used by the devices 

connected to this socket must not exceed 300mA. 
At power up of the system an automatic 
numbering sequence is carried out.  The Power 2 
with the vacant DAISY socket becomes number 
1.  Starting with this booster the others are 
sequencially numbered with the device having the 
vacant LocoNet socket having the highest 
number. 

Important: 

The Power 2 devices can only be 

daisy chained via direct connections.  Distributer 
sockets must not be used, or the automatic 
numbering of the devices will not function. 
If a new Power 2 (with its new track section) is to 
be added to a fully wired layout, without altering 
the numbering the of existing devices, it must be 
connected to the last of the existing devices.  It 
will therefore be assigned the new highest 
number. 
The individual track circuits can be called up by 
the LocoNet controllers in the same way as a 
locomotive address.  In this instance address 1 is 
for track circuit 1, address 2 for track circuit 2 etc. 
Controllers without address selection e.g. FRED, 
can be used to select from 4 track circuits when 
operating in ‘extended mode’.  Controllers that 
operate only in ‘dispatch mode’ can be used if 
they are connected via a control panel that can 
interpret the dispatched locomotive address. 
If the control panel has selected a track circuit 
then it can be controlled like a locomotive with a 
digital decoder.  For controlling the speed and 
travel direction from the control panel refer to its 
instruction manual. 

 

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