FS: CML Electronics Signal and Tower boards.

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Hi folks,

Looking to sell some CML Electronics boards.

Price listed + Shipping.

Right now shipping to USA only. Prefer paypal for payment.
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SIGM 20 Signal Controller - $70

Brand new CML Electronics SIGM 20 Signal Controller for Loconet DCC

The SIGM20 is an automatic controller for eight signals. It sets the signal state automatically according to the state of the trackwork (e.g. points), other signals and block occupancy detectors. It does this automatically, without any other computers involved: so no PC is required to operate the railway. The board can control simple blocks, simple and complex junctions ....automatically.

Signals are controlled automatically as trains move around the railway. Signals can be programmed so that for example:

- If the track ahead is occupied by another train, the signal will go red;
- If a point is set against the track, so that it would not be safe to proceed, the signal goes red;
- That can be extended to set the signal through complex junctions;
- The logic for 3 and 4 aspect signals is followed: if the next signal is red, this signal will go amber and so on.

More details: <!-- m --><a class="postlink" href="http://www.cmlelectronics.co.uk/inde...d=87&Itemid=91">http://www.cmlelectronics.co.uk/inde...d=87&Itemid=91</a><!-- m -->

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DTM30 Super Tower Master - $85


Brand new CML Electronics DTM30 Super Tower Master DCC board for Loconet.

The DTM30 Super Tower Master is a 30 channel point, signal & sensor controller / display unit for automation of layout control panels. Many users want to be able to control and display their points and signals using pushbuttons and LEDs, not just with a handheld throttle. This unit allows just that: this is achieved with just a LocoNet and a 9-12v AC or DC power connection, thereby eliminating individual wires to point motors, accessory decoders or detection circuits.

Some of the capabilities are illustrated in the diagram above:

A point can be displayed by two LEDs. these would sit in the two tracks coming out from the point; one would be lit to show that track was active.
A point can be operated by a pushbutton. Press the button to change its position. (Alternatively, there can be one button for "closed" and one for "thrown".
A sensor cell (e.g. from a BDL168) can be displayed as an LED which is lit when the track is occupied.
A signal can be displayed in various ways. Signals controlled by the SIGM20 and the Digitrax SE8c can both be displayed.
The track "running" direction for SIGM20 signals can be shown.

More Details: <!-- m --><a class="postlink" href="http://www.cmlelectronics.co.uk/inde...d=84&Itemid=90">http://www.cmlelectronics.co.uk/inde...d=84&Itemid=90</a><!-- m -->