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Modellbahn Digital Peter Stärz
Dresdener Str. 68 - D-02977 Hoyerswerda -
Degree of difficulty:
The accessory decoder WDMiba is an output device for con-
trolling 8 turnouts, semaphores, light signals, uncouplers or
relays of a Selectrix-controlled model railway layout.
Solenoid based consumers
required!)
are powered by pulsed current. Light signals are
powered by continuous current. To power accessories with
electric motors the extension kit ESMot has to be populated.
The accessory decoder's SX bus address and its settings
(pulsed or continuous current) can be configured through SX
bus individually for each of the 8 output channels.
When (re-) powering the Selectrix bus, the accessory decoder
feeds back its last state (position of the turnouts etc.) to the
central unit.) before the system was switched off the last time.
Special features
-
Especially for Selectrix
-
Further improved reliability by using input comparators at the
SX bus
-
Population option for motorized consumers already foreseen
(ESMot) - no additional PCB is required
-
Space for series resistors for LEDs already included on PCB
Accessory decoder
for 8 turnouts, signals, uncouplers, relays
easy
average
difficult
(additional recovery diodes are
®
+49 3571 404027 - www.firma-staerz.de - info@firma-staerz.de
®
for Selectrix
Required capabilities:
-
Easy assembling and soldering of the PCB
Table of content
Special features ........................................................................... 1
Technical specifications ............................................................... 2
Installation site ............................................................................. 2
Update ......................................................................................... 2
Kit contents .................................................................................. 2
Maintenance and care.................................................................. 2
Accessory and expendabilities ..................................................... 2
Assembly instructions................................................................... 3
Component layout diagram on the PCB .................................... 3
Populated PCB ......................................................................... 3
Description of operation ............................................................... 4
Operating principle of the Accessory Decoder .......................... 4
Bringing into service ................................................................. 4
Connection of solenoid accessory and light signals .................. 4
Output numeration of the Accessory Decoder WDMiba ............ 4
Connection of motorized turnouts ............................................. 5
Parameters and Programming...................................................... 5
Overview of parameters............................................................ 5
Operation mode........................................................................ 5
Timers 1 and 2.......................................................................... 5
Factory default settings............................................................. 5
WDMiba 3
v5-2010
Page 1 of 6
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Table of Contents
Summary of Contents for Modellbahn Digital Peter Stärz WDMiba 3
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Page 1: Table Of Contents
Modellbahn Digital Peter Stärz Dresdener Str. 68 – D-02977 Hoyerswerda – +49 3571 404027 – www.firma-staerz.de – info@firma-staerz.de Accessory decoder WDMiba 3 ® for Selectrix v5-2010 for 8 turnouts, signals, uncouplers, relays Required capabilities: Degree of difficulty: easy Easy assembling and soldering of the PCB... -
Page 2: Technical Specifications
Technical specifications Kit contents Size Please first verify that the kit contains all the components listed 104,6mm x 73,9mm x 30mm below. Power Supply General parts: The accessory decoder WDMiba requires a suitable external 1x circuit board power supply according to the requirements of connected acces- 1x LED red sories. -
Page 3: Assembly Instructions
Assembly instructions 2. (Solder bridges) If the Extension kit ESMot is not used, first Assemble the kit in the order of these instructions. All components are placed set all 16 solder bridges at their dedicated on the top side of the PCB (marked “top”) as close to the PCB as possible places on top of the PCB. -
Page 4: Description Of Operation
Description of operation Normal position for turnouts The usual way is to connect turnouts with their normal position to Operating principle of the Accessory Decoder be the tangent position. If, however, the main line direction is in The Accessory Decoder WDMiba permanently reads the informa- turnout position, the turnout can be wired to the decoder accord- tion of its dedicated address at the Selectrix-Bus and switches its ingly by swapping wires for turnout and tangent (a and b). -
Page 5: Connection Of Motorized Turnouts
Connection of motorized turnouts turnouts without limit stop should be controlled with pulses lasting 0.2 to 0.5 seconds. When connecting motorized turnouts, the On the other hand, there are slowly moving turnouts and sema- extension kit ESMot must be populated (for phore signals. -
Page 6: Programming Parameters E.g. With The Control Panel Spf-Pic
Programming parameters e.g. with the Control Panel SPF-PIC Preparations for Programming: Enter timer 1: Adr ---/----=008 To be able to programme the parameters, the Accessory Decoder Select address 02 in Control Panel. 002 12345678 aus WDMiba is required to be connected to a central unit via the SX- Current value of timer 1 is displayed, bus cable.
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